WO2017081127A1 - Cartouche thermostatique de régulation de fluides chaud et froid à mélanger - Google Patents
Cartouche thermostatique de régulation de fluides chaud et froid à mélanger Download PDFInfo
- Publication number
- WO2017081127A1 WO2017081127A1 PCT/EP2016/077217 EP2016077217W WO2017081127A1 WO 2017081127 A1 WO2017081127 A1 WO 2017081127A1 EP 2016077217 W EP2016077217 W EP 2016077217W WO 2017081127 A1 WO2017081127 A1 WO 2017081127A1
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- WIPO (PCT)
- Prior art keywords
- base
- axis
- base portion
- face
- fluid
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Ceased
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/04—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves
- F16K11/044—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only lift valves with movable valve members positioned between valve seats
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- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D23/00—Control of temperature
- G05D23/01—Control of temperature without auxiliary power
- G05D23/13—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures
- G05D23/1306—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids
- G05D23/132—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element
- G05D23/134—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid
- G05D23/1346—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid with manual temperature setting means
- G05D23/1353—Control of temperature without auxiliary power by varying the mixing ratio of two fluids having different temperatures for liquids with temperature sensing element measuring the temperature of mixed fluid with manual temperature setting means combined with flow controlling means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
- F01P7/00—Controlling of coolant flow
- F01P7/14—Controlling of coolant flow the coolant being liquid
- F01P7/16—Controlling of coolant flow the coolant being liquid by thermostatic control
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/002—Actuating devices; Operating means; Releasing devices actuated by temperature variation
Definitions
- Thermostatic cartridge for regulating hot and cold fluids to be mixed
- the present invention relates to a thermostatic cartridge for regulating hot and cold fluids to be mixed, in particular hot and cold water within a sanitary installation.
- Such a cartridge comprises a base in which the hot and cold fluids circulate until they mix before emerging.
- This base is designed to be mounted inside a valve or, more generally, a sanitary device, which is fed by the hot and cold fluids and delivers the mixture of these fluids: the base thus has a outer geometry constrained, both as regards its shape and its dimensions, since it must adjust to the internal volume of a body of this sanitary device, dedicated to mounting the base.
- the base has a cylindrical outer geometry circular base, whose diameter is for example between 35 and 40 mm.
- the invention is concerned with the usual configuration in which the fluids circulate in the base generally from top to bottom, the hot and cold fluids entering through its upper side, via separate inlet ports, located at a distance from the central axis, while the mixture comes out from its lower side, via an outlet, generally centered on the central axis.
- the base since the arrival of fluids supplying the cartridge is usually located under the base, the base also often delimits rising channels of these fluids, which extend away from the central axis, directly connecting the lower side to the upper side of the base: downstream of these rising channels, the fluids are returned downwards in the aforementioned inlet orifices, the flow rate of the fluids thus returned being controlled by ceramic disks, which are generally integrated in the cartridge and which are arranged above the upper face of the base.
- the hot and cold fluids that enter are regulated by a movable slide, integral with the body of a thermostatic element whose piston is connected to the fixed base.
- This slide and this thermostatic element are arranged concentrically in an internal free volume of the base, being centered on the central axis of the base.
- the slide is movable along this central axis within the free volume of the base so as to inversely vary the flow sections of the fluids entering the base by the upper side of the latter, in order to mixing these fluids in corresponding variable proportions to obtain, downstream of the slide, the mixture which flows along a thermosensitive portion of the thermostatic element before leaving the base by its lower side.
- the thermostatic control temperature ie the equilibration temperature around which the temperature of the mixture is regulated. It is even possible to have only one lever for controlling both this temperature control mechanism and flow control means for hot and cold fluids sent to the drawer, such as the ceramic discs mentioned above: in in this case, the thermostatic cartridge is qualified as a single command.
- WO 96/26475 provides a copy.
- the maximum flow rates of hot and cold fluids, which can pass through the base of the cartridge, are limited by the flow sections of the various orifices and channels of the base and the flow sections of the passages between the base and the drawer, the pressure drop at these passages is not negligible.
- the flow section of the passages between the base and the slide depends on the travel of the slide between its two extreme high and low positions, in each of which the flow of one of the hot and cold fluids is completely closed in favor of the maximum flow of the other fluid: in practice, this stroke is of the order of a millimeter, or even less, within standard size cartridges, and it can not be increased without losing the quality of regulation of the temperature of the mixed.
- the flow section of the passages between the base and the slide also depends on the radial dimension of these passages, which is directly dependent on the outside diameter of the slide.
- the flow section of the passages between the base and the drawer depends on the peripheral dimension of these passages, which is directly related to the extent of these passages around the drawer: to avoid that only peripheral portions of the drawer do not receive the hot and cold fluids to be regulated, WO 96/26475, cited above, proposed to dig, inside the base of the cartridge, peripheral grooves, high and low, to distribute the fluid around the drawer, the inlet ports of the hot fluid and the cold fluid opening respectively in these grooves.
- this solution tends to significantly reduce the diameter of the internal free volume of the base, in favor of its thickness to dig the aforementioned grooves, which greatly limits the outer diameter of the drawer and therefore limits the maximum flow rates of fluid that can be regulated by this drawer.
- this solution is expensive to implement because the manufacture of the base is complex: in the case where the base is made by plastic molding, the molding core is necessarily large in diameter to accommodate the presence of retractable pins which are indispensable for molding the aforementioned grooves, as well as their junction with the inlet ports of the hot fluid and the cold fluid.
- WO 2014/135614 proposed to distribute the hot and cold fluids around the drawer not by two grooves delimited only by the base, but by, at the same time, a high distribution channel, which is partially delimited by a dedicated part of the drawer, and a low distribution channel, which is partially delimited by a fixed part in the outlet orifice of the base, in particular the piece against which rests the return spring associated with the thermostatic element.
- the molding constraints of the base are reduced, allowing to avoid undercuts for the molding-demolding of these distribution channels: it is thus possible to make the base in the form of a single piece which is removed axially without using a retractable pin in the molding core.
- This solution makes it possible to flow larger flows through the base to the drawer, but the outer diameter of the latter is limited, in particular by the presence of the fluid supply duct supplying the low distribution channel.
- the object of the present invention is to provide a cartridge of the type mentioned above, the base remains simple and economical to manufacture, while maximizing the flow sections of hot and cold fluids through it.
- the invention relates to a thermostatic cartridge for regulating hot and cold fluids to be mixed, as defined in claim 1.
- One of the ideas underlying the invention is to leave the traditional concentric design between the base and the thermostatic control assembly formed by the drawer and the thermostatic element.
- This traditional concentric design is associated with the technical prejudice that fluid flow sections through the base can be optimized only by distributing fluid flow evenly or even symmetrically with respect to the central axis of the fluid. base.
- the invention goes against this prejudice by off-centering the slide and the thermostatic element relative to the base, that is to say by shifting one relative to the other two parallel axes that are an axis base, which is defined by the outer periphery of the base and which is therefore imposed by the body of the sanitary device in which the cartridge is to be installed, and a drawer axis, along which moves the drawer under the driving action of the thermostatic element and on which are centered the fluid passages between the drawer and the base.
- the invention is not concerned with the existence, implicitly known in the art, of a mounting clearance inherent in the cartridge, inducing a non-strictly exact alignment between the hub axis and the spindle axis, but that the invention provides a voluntary offset and predetermined between the base axis and the spool axis, this offset being for example a few tenths of a millimeter for a base having an outer diameter of 35 to 40 mm.
- the invention allows to shift the spindle axis to the first inlet port, that is to say the inlet port feeding that of the two passages between the drawer and the base which is the highest when it is considered that the axes of base and drawer are vertical and that the face of the base, on which the inlet openings, is turned upward: thus shifting the drawer axis to the first inlet port and maintaining unchanged the flow section of the second inlet port, the outer diameter of the spool can be increased up to twice the value of the offset between the spindle axis and the spindle axis, the section decrease of the first inlet orifice having no impact on the maximum admissible flow rate of the first fluid due to because in the concentric
- the invention makes it possible, if necessary by rebalancing the flow sections of the two inlet ports, to increase the outside diameter of the spool by offsetting the spool with respect to the base axis, which, all else being equal, increases the flow section of the two passages between this drawer and the base and therefore increases the maximum fluid flow rates allowed by the cartridge according to the invention.
- the eccentricity of the slide and the thermostatic element advantageously takes advantage of the possibility of making the upper and lower parts of the base in two distinct parts, which are axially superimposed on each other. on one another and which are permanently attached to one another at a junction interface, which is formed by axial application of one another to their respective axial faces, towards the other and which is planned sealed.
- the second fluid can then be distributed around the spool by a distribution channel formed at the junction between the upper and lower base parts: in this way, this distribution channel advantageously has a much larger flow section than if base was made in one piece.
- this distribution channel can be radially very wide, without worrying about the molding and demolding constraints of the upper base portion, it being understood that, after fixing the two base portions to one another, this distribution channel is closed axially by the lower base portion.
- the second inlet port may also be provided with a position greatly offset radially with respect to the base axis, which allows a further large eccentricity of the slide relative to the base axis, in particular in the opposite direction to the second inlet, and therefore a larger possible increase in the outer diameter of the slide.
- FIG. 1 is an exploded perspective view of a thermostatic cartridge according to the invention
- FIG. 2 is a view similar to FIG. 1, showing, at another angle of observation, a base of the cartridge;
- FIG. 3 is a partial longitudinal section of the cartridge of Figure 1 in the assembled state
- Figure 7 is a view similar to Figure 3, showing only the base of the cartridge.
- thermostatic cartridge 1 which is arranged along a main axis X-X. This cartridge is adapted to equip a mixing valve hot water and cold water, not shown as such in the figures, or, more generally, to equip a sanitary installation.
- the thermostatic cartridge 1 comprises an upper housing 2 and a lower base 4, which, in the assembled state of the cartridge, are fixedly joined to one another.
- the base 4 has a generally cylindrical outer shape, having an outer peripheral face 6 which is cylindrical and centered on the X-X axis.
- the X-X axis is thus defined by the outer periphery of the base and can therefore be called a base axis.
- the cylindrical outer face 6 of the base 4 is circular.
- the base 4 envisaged here mainly comprises two distinct parts which are arranged one above the other along the axis XX, namely an upper part 10. and a lower part 20.
- the cylindrical outer face 6 is distributed over the upper and lower parts 10 of the base, being noted that as a variant not shown, only the upper portion 10 may define the outer periphery of the base.
- each of the base portions 10 and 20 has an upper outer face 10A, 20A and, axially opposite the latter, a lower outer face 10B, 20B.
- the base portions 10 and 20 are axially superimposed in a fixed manner on one another, the lower face 10B of the upper part 10 covering the upper face 20A of the lower part 20, being in direct contact with the latter.
- the lower face 10B of the upper part 10 and the upper face 20A of the lower part 20 are applied axially against each other so that part of this face 10B and a portion of this face 20A are in axial contact with each other and thus form an interface I junction between the base portions 10 and 20.
- This junction interface I extends transversely to the XX axis.
- this interface I extends essentially perpendicular to the axis XX, the respective parts, in contact with one another, of the lower face 10B of the part d base 10 and the upper face 20A of the base portion 20 being flat and extending perpendicular to the axis XX.
- the junction interface I is provided in the sealing direction in the sense that the material contact areas between the lower face 10B of the base portion 10 and the upper face 20A of the base portion 20 are sealed, prohibiting the fluid passage through these contact areas.
- the respective parts forming the interface I of these faces 10B and 20A are in contact with one another in a sealed manner, no liquid being able to circulate, via the contact interface of these parts, between the base portions 10 and 20.
- One possibility to achieve the sealing of this interface I is to report a flat seal, sandwiched axially between the base portions 10 and 20.
- the base portions 10 and 20 are each made of a single piece of material. plastic and are welded to their waterproof junction interface , in particular laser welded, the plastics material of one of these base portions 10 and 20 being transparent while the plastics material of the other is opaque to the wavelength of the welding laser used.
- various techniques, other than laser welding can be envisaged for, at their junction interface I, directly welding to each other the plastic parts respectively constituting the base portions 10 and 20.
- the upper base portion 10 delimits, over its entire axial dimension, a cold water circulation channel 11 and a hot water circulation channel. 12, each of these channels connecting one to the other the upper faces 10A and lower 10B of the base portion 10, opening on these upper and lower faces.
- the lower base portion 20 delimits, over its entire axial dimension, a cold water circulation channel 21 and a hot water circulation channel 22, each of these channels connecting one to the other the upper faces 20A and lower 20B of the base portion 20, opening freely on these upper and lower faces.
- the cold water circulation channels 1 1 and 21 are connected directly to one another, through the junction interface I , by opening into each other at the axial level of this interface I. It is the same for the hot water circulation channels 12 and 22.
- a cold water circulation channel between the lower face 20B of the base portion 20 and the upper face 10A of the base portion 10 is formed jointly by the channels 1 1 and 21, being delimited by, successively, the base portions 20 and 10 and axially crossing the junction interface I.
- a hot water circulation channel between the faces 20B and 10A is formed jointly by the channels 12 and 22, being delimited by , successively, the base portions 20 and 10 and axially crossing the junction interface I.
- the upper base portion 10 also defines an internal free volume V10, which is traversed by the axis XX while being centered on an axis ZZ separate from this axis XX.
- the axes XX and ZZ are parallel to each other and offset with respect to each other, their offset, that is to say, the distance separating them in a plane perpendicular to them, being 4 and 5.
- the base portion 10 On both sides and distinctly from this internal volume V10, the base portion 10 further defines a cold water inlet port 13 and an inlet port hot water 14, which at their upper end, each open on the upper face 10A of the base portion 10 while at their lower end, these inlet ports 13 and 14 open into the internal volume V10, the lower end of the inlet orifice 14 being situated axially lower than that of the inlet orifice 13, as shown in FIGS. 3, 6 and 7.
- the circulation channels 1 1 and 12 and the inlet ports 13 and 14 are positioned within the base portion 10 so as not to communicate directly with each other. To limit the constraints of their arrangement and facilitate flow through the base portion 10, the circulation channels 1 1 and 12 are preferably opposed to each other with respect to the axis XX. It is the same for the inlet ports 13 and 14, being noted in addition that, for reasons which will appear later, the ZZ axis is then advantageously offset, with respect to the axis XX, to the orifice 13, as clearly visible in Figures 3 to 7.
- the lower base portion 20 delimits, for its part, a mixing outlet orifice 23, which is substantially centered on the axis ZZ and which connects the upper and lower faces 20A of the part 20A to the other. base 20, opening on these upper and lower faces.
- the circulation channels 21 and 22 and the outlet orifice 23 are positioned within the base portion 20 so as not to communicate directly with each other.
- the internal volume V10 of the base portion 10 opens, downwards, on the lower face 10B of the base portion 10 so that, in the assembled state of the base 4, this internal volume V10 is connected. directly to the outlet orifice 23 of the base portion 20 through the junction interface I, this volume V10 and this outlet orifice 23 opening directly into each other centrally on the axis ZZ.
- the circulation channels 1 1 and 21 on the one hand and the circulation channels 12 and 22 on the other hand are designed to be supplied respectively with cold water and hot water, from the lower face 20B of the part of lower base 20, as indicated by the arrows F1 and C1 in Figure 6. And, after leaving the base 4 by the upper face 10A of its upper base portion 10 and have circulated inside the housing 2 as discussed a little more in detail later, this cold water and hot water are returned from the inside of the housing 2 to the upper face 10A of the base portion 10 so as respectively to feed the inlet ports 13 and 14, as indicated by the arrows F2 and C2 in FIGS. 3 and 6.
- the mixing of the water cold and hot water then leaves the base 4, being discharged to the bottom of the outlet orifice 23.
- these inlet orifices 13 and 14 each extend about 180 ° about the ZZ axis, being diametrically opposed to each other, as clearly visible in Figures 4 and 5.
- the internal volume V10 of the base portion 10 is stepped in the direction of the Z-Z axis, being further extended radially in its lower part than in its upper part. More specifically, in its upper part, the internal volume V10 is delimited by a substantially cylindrical surface 15, which is centered on the axis ZZ, which is circularly based, and which extends axially downwards from the outer periphery of the lower surface of a wall 16 belonging to the upper part of the base portion 10, this wall 16 axially closing up the internal volume V10.
- This cylindrical surface 15 extends 360 ° around the axis ZZ, being interrupted, around this axis, by the lower outlet of the cold water inlet port 13, as shown in the right-hand side of FIGS. Figures 3 and 6.
- the upper part of the surface 15 has, opposite the opening of the inlet port 13, a portion 15.1 of smaller radius than the rest of the surface 15, as clearly visible in FIGS. 2 and 5.
- the internal volume V10 is delimited by a cylindrical surface 17, which is centered on the axis ZZ, which is circularly based, and which has a diameter strictly greater than that of the cylindrical surface 15.
- the cylindrical surfaces 15 and 17 are connected to one another by a stepped wall 18 which, in its peripheral portion connected to the cylindrical surface 17, is advantageously hollowed upwards.
- the cylindrical surface 17 extends downwardly to the lower face 10B of the base portion 10, on which this cylindrical surface 17 opens.
- the cylindrical surface 17 extends over 360 °, and this, advantageously, without being interrupted by the hot water inlet orifice 14 at the outlet of the latter in the internal volume V10 : in fact, this inlet 14 opens mainly, or, as here, exclusively axially in the lower part of the internal volume V10, the cylindrical surface 17 extending axially upwards to delimit the wall of the orifice d 14, the farthest radially from the ZZ axis, as clearly visible in Figures 2, 3 and 5.
- the staggered shape of the internal volume V10 of the base portion 10 allows this base portion 10 to be easily obtained by molding plastic material, in particular material injected plastic.
- a molding core can be advantageously provided to occupy the internal volume V10 so that, without using a retractable molding pin, the mold release the base portion 10 consists of a relative translation, downwards, of the core, this demolding being particularly easy in the absence of any undercut.
- the diameter of the cylindrical surface 17 is strictly greater than the diameter of the outlet orifice 23, in particular the outlet of the latter on the upper face 20A of the part It is therefore understood that, in the assembled state of the base 4, the lower end of the cylindrical surface 17 is connected to the outlet orifice 23 by a solid part of the upper surface 20A of the base part 20.
- the cartridge 1 also comprises a drawer 30 which, as clearly visible in FIGS. 3, 5 and 6, has a generally tubular shape, with a circular base and centered on an axis which, in the assembled state of the cartridge, is aligned with ZZ axis, the latter can be called a drawer axis.
- This drawer 30 has an upper outer face 30A and a lower outer face 30B, and a lateral outer face 30C, which connects the upper faces 30A and lower 30B to one another.
- This side face 30C is substantially cylindrical, being centered on the ZZ axis and being circularly based, its diameter being substantially equal to that of the cylindrical surface 15 of the base portion 10. Inside this face 30C is hollowed out a peripheral groove inside which is received a seal 31.
- the spool 30 is mounted on the base 4, more precisely inside the internal volume V10 of the base portion 10, movably along the Z-Z axis between two extreme positions, namely:
- this seat 24 is defined by the upper face 20A of the base portion 20, being provided projecting axial upwards from the rest of this upper face 20A.
- the total axial dimension of the slide 30, separating one from the other its opposite faces 30A and 30B, is smaller than the axial distance separating the seats 19 and 24 from one another. Also, when the slide 30 is in its extreme low position, the drawer closes an inlet of hot water inside the seat 24, concentric axial support centered on the axis ZZ of an outer peripheral strip of the lower face 30B of the drawer against the seat 24, while opening at most a cold water passage F3, which is centered on the axis ZZ and which is delimited axially between the 30A upper face of the drawer 30 and the seat 19.
- the drawer closes a cold water inlet inside the seat 19, concentric axial bearing centered on the ZZ axis of an outer peripheral strip of the upper face 30A of the drawer against the seat 19, while opening at most a passage of hot water C3, which is centered on the axis ZZ and which is defined axially between the face bottom 30B of the drawer 30 and the seat 24.
- the outside diameter of the slide 30 can be maximized, in particular at the level of the outer peripheral strips of its upper faces 30A and lower 30B which, with the seats 19 and 24 respectively, delimit the passages F3 and C3.
- the outside diameter of the drawer 30 can be increased to two times the value d of the offset between the axes XX and ZZ, being noted that this value d is advantageously designed to reach at least one hundredth of the diameter of the outer peripheral face 6 of the base 4, or more.
- the seats 19 and 24 and therefore the outer peripheral strips of the upper faces 30A and lower 30B of the slide 30, which are respectively associated with these seats, have respective substantially equal diameters, which limits the pressure differentials between the top 30A and bottom 30B of the drawer.
- the lateral face 30C of the spool is received in a substantially adjusted manner inside the cylindrical surface 15, with radial interposition of the joint sealing 31 to prevent mixing between cold water and hot water upstream of the drawer.
- the drawer 30 internally defines one or more flow passages 32 connecting to each other its upper faces 30A and lower 30B. This or these flow passages 32, which are visible in Figures 5 and 6, are not limiting of the present invention and will not be described here further.
- This hot water distribution channel C4 is formed between the base portions 10 and 20 substantially at the axial level of the junction interface I: in the embodiment example considered in the figures, the distribution channel C4 is delimited, downwards, by the upper face 20A of the base portion 20, more precisely by the solid portion of this face 20A extending radially to the ZZ axis from the lower end of the cylindrical surface 17 to the seat 24, whereas, upwards, the distribution channel C4 is delimited in the lower face 10B of the base portion 10, more precisely by the cylindrical surface 17 as well as by the shoulder wall 18.
- circulating hot water t in the inlet orifice 14 flows into the distribution channel C4, distributed around the spool 30 because the cylindrical surface 17 extends 360 ° about the Z axis. Z, so as to distribute the supply of the hot water passage C3 over the entire outer periphery of the drawer.
- the diameter of the cylindrical surface 17 can be dimensioned to a large value, without being constrained by manufacturing difficulties of the base 4 if it had been made in one piece, it is understood that the section passage of hot water in the distribution channel C4 may be particularly important, thus promoting the flow of a high flow of hot water through the base 4.
- the hot water inlet orifice 14 opens mainly, or even exclusively axially in the distribution channel C4, being delimited by the cylindrical surface 17 with a large diameter, one it is understood that, advantageously, this inlet orifice 14 also has a large passage section for the hot water, being particularly distant from the ZZ axis.
- the inlet orifice 14 may advantageously have its major portion 14.1, connecting its upper outlet to the distribution channel C4, more radially spaced from the axis ZZ than its upper outlet, the radial position of the latter being constrained by the presence of sealing elements on the upper face 10A of the base portion 10 and / or by the specific connection of this upper face 10A to the interior fittings of the 2.
- the base portion 10 internally has a surface 14.2 deflection of the flow of hot water between the upper outlet of the inlet 14 and the major part 14.1 of this inlet 14.
- a cold water distribution channel F4 around the drawer 30 may be provided above the sliding support zone and 30 as opposed to the cylindrical surface 15 of the base portion 10.
- this distribution channel F4 is delimited jointly by the upper part of the cylindrical surface 15 and by the upper part of the the lateral face 30C of the slide 30, this upper part of the lateral face 30C being advantageously hollowed out as is explained in FR 2 983 985 to which the reader can refer for more details.
- this distribution channel F4 runs 360 ° around the axis ZZ, being slightly constricted by the portion 15.1 of the surface 15 opposite the opening of the orifice 13 in this channel F4, as shown in FIG. figure 5.
- the thermostatic cartridge 1 also comprises a thermostatic element 40 whose body 41, which is centered on the ZZ axis in the assembled state of the cartridge, is secured to This body contains a thermally expandable material which, under the action of the heat of the mixture of hot and cold water, flowing downstream of the drawer 30 along this body 41, expands and causes relative displacement, in translation along the axis ZZ, of a piston 42 of the thermostatic element 40, this piston 42 being also substantially centered on the axis ZZ in the assembled state of the cartridge.
- the end portion of the piston 42, opposite the body 41, in other words the upper end portion of the piston 42 is, in turn, connected to the base 4 by a mechanical assembly 50, which is housed inside the housing 2 and which, in a manner known per se, is able to adjust the axial altitude of the piston 42 relative to the base 4, independently of the relative position of the body 41: this amounts to saying that this mechanical assembly 50 is designed to control the temperature of the mixture of cold water and hot water leaving the base 4, by adjusting the thermostatic equilibration temperature around which is regulated the temperature of the mixture.
- this mechanical assembly 50 is not shown in detail in the figures and will not be described here further, however noted that, in the exemplary embodiment considered in the figures, this mechanical assembly 50 is advantageously adapted to also control the flow rate of the mixture of cold water and hot water leaving the base 4, by adjustment, typically by means of of ceramic discs, the communication of the cold water circulation channel 1 1 with the cold water inlet port 13 and the communication of the hot water circulation channel 12 with the Hot water inlet orifice 14.
- the mechanical assembly 50 includes a single handle 51 allowing the user to order the flow and the at temperature of the mixture.
- the reader may refer, for example, to prior art documents WO 2010/072966 and WO 2015/052098.
- the cartridge 1 further comprises a compression spring 60.
- This spring 60 acts on the slide 30 in opposition to the deployment of the piston 42 relative to the body 41 of the thermostatic element 40, being axially interposed between this slide and the base 4, more precisely between this slide and a part 70 fixedly attached to the base portion 20, across the lower outlet of the outlet orifice 23.
- the seat 19 may be provided substantially flush with the remainder of this upper face 20A; in this case, the lower part of the spool 30 is extended by an ad hoc wall, for example of frustoconical shape diverging downwards, whose lower end can cooperate with the seat for the purpose of opening and closing the passage of hot water C3;
- the hot water distribution channel C4 may have a smaller circumferential extent, to the detriment of a distribution of hot water all around the drawer ; it is the same for the cold water distribution channel F4; and or
- the base 4 may, in variant not shown, be carried out as in WO 2014/135614, that is to say to say by including a main body and an insert, which is fixedly connected to this main body and, where appropriate, against which rests the return spring associated with the thermostatic element of the cartridge; in this case, the fluid circulations, respectively provided by the parts 10 and 20 of the base 4 considered above, are provided, from a functional point of view, respectively by an upper part of the aforementioned main body and by the together formed by the remainder of this main body and the aforementioned insert.
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Abstract
Description
Claims
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE112016005186.7T DE112016005186T5 (de) | 2015-11-13 | 2016-11-10 | Thermostatkartusche zum Regeln von zu mischenden warmen und kalten Fluiden |
| US15/776,048 US10753486B2 (en) | 2015-11-13 | 2016-11-10 | Thermostatic cartridge for controlling hot and cold fluids to be mixed |
| GB1807241.3A GB2561471B (en) | 2015-11-13 | 2016-11-10 | Thermostatic cartridge for controlling hot and cold fluids to be mixed |
| CN201680066021.0A CN108369426B (zh) | 2015-11-13 | 2016-11-10 | 用于控制待混合的热流体和冷流体的恒温阀芯 |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR1560894 | 2015-11-13 | ||
| FR1560894A FR3043803B1 (fr) | 2015-11-13 | 2015-11-13 | Cartouche thermostatique de regulation de fluides chaud et froid a melanger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2017081127A1 true WO2017081127A1 (fr) | 2017-05-18 |
Family
ID=54979850
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/EP2016/077217 Ceased WO2017081127A1 (fr) | 2015-11-13 | 2016-11-10 | Cartouche thermostatique de régulation de fluides chaud et froid à mélanger |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US10753486B2 (fr) |
| CN (1) | CN108369426B (fr) |
| DE (1) | DE112016005186T5 (fr) |
| FR (1) | FR3043803B1 (fr) |
| GB (1) | GB2561471B (fr) |
| WO (1) | WO2017081127A1 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019169453A1 (fr) * | 2018-03-09 | 2019-09-12 | Reliance Worldwide Corporation (Aust.) Pty. Ltd. | Dispositif de soupape |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR3092891B1 (fr) * | 2019-02-20 | 2021-03-12 | Vernet | Ensemble thermostatique, notamment cartouche thermostatique |
| FR3116878B1 (fr) * | 2020-11-27 | 2022-12-02 | Vernet | Dispositif pour un système de robinetterie |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009116254A1 (fr) * | 2008-03-19 | 2009-09-24 | 富士精工株式会社 | Vanne thermostatique et circuit de milieu thermique la comprenant |
| FR3003046A1 (fr) * | 2013-03-07 | 2014-09-12 | Vernet | Cartouche thermostatique de regulation de fluide chaud et froid a melanger |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4321719A (en) * | 1978-04-07 | 1982-03-30 | Mollura Carlos A | Water mattress with damper bladders |
| CN2042945U (zh) * | 1988-05-14 | 1989-08-16 | 唐嘉喜 | 冷热混合水自动恒温装置 |
| HU217195B (hu) | 1995-02-24 | 1999-12-28 | KEROX-MULTIPOLÁR Termelő és Kereskedelmi Kft. | Csaptelepkartus termosztátos hőfokszabályozással |
| KR100787512B1 (ko) * | 2005-09-06 | 2007-12-21 | 김종구 | 수도밸브카트리지 |
| FR2940397B1 (fr) | 2008-12-22 | 2014-06-20 | Vernet | Cartouche thermostatique monocommande et robinet mitigeur comportant une telle cartouche |
| FR2983985B1 (fr) | 2011-12-07 | 2014-12-05 | Vernet | Cartouche thermostatique de regulation de fluides chaud et froid a melanger |
| FR3011646B1 (fr) | 2013-10-07 | 2016-01-08 | Vernet | Cartouche thermostatique monocommande |
| FR3015061A1 (fr) | 2013-12-12 | 2015-06-19 | Vernet | Cartouche thermostatique monocommande |
-
2015
- 2015-11-13 FR FR1560894A patent/FR3043803B1/fr active Active
-
2016
- 2016-11-10 WO PCT/EP2016/077217 patent/WO2017081127A1/fr not_active Ceased
- 2016-11-10 CN CN201680066021.0A patent/CN108369426B/zh active Active
- 2016-11-10 GB GB1807241.3A patent/GB2561471B/en active Active
- 2016-11-10 US US15/776,048 patent/US10753486B2/en active Active
- 2016-11-10 DE DE112016005186.7T patent/DE112016005186T5/de active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2009116254A1 (fr) * | 2008-03-19 | 2009-09-24 | 富士精工株式会社 | Vanne thermostatique et circuit de milieu thermique la comprenant |
| FR3003046A1 (fr) * | 2013-03-07 | 2014-09-12 | Vernet | Cartouche thermostatique de regulation de fluide chaud et froid a melanger |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019169453A1 (fr) * | 2018-03-09 | 2019-09-12 | Reliance Worldwide Corporation (Aust.) Pty. Ltd. | Dispositif de soupape |
Also Published As
| Publication number | Publication date |
|---|---|
| GB2561471B (en) | 2021-10-13 |
| DE112016005186T5 (de) | 2018-07-19 |
| CN108369426B (zh) | 2020-09-29 |
| FR3043803A1 (fr) | 2017-05-19 |
| GB2561471A (en) | 2018-10-17 |
| US10753486B2 (en) | 2020-08-25 |
| CN108369426A (zh) | 2018-08-03 |
| GB201807241D0 (en) | 2018-06-13 |
| FR3043803B1 (fr) | 2018-11-23 |
| US20180328500A1 (en) | 2018-11-15 |
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