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WO1997035658A1 - Humidificateur d'air - Google Patents

Humidificateur d'air Download PDF

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Publication number
WO1997035658A1
WO1997035658A1 PCT/IL1997/000111 IL9700111W WO9735658A1 WO 1997035658 A1 WO1997035658 A1 WO 1997035658A1 IL 9700111 W IL9700111 W IL 9700111W WO 9735658 A1 WO9735658 A1 WO 9735658A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
rotary shaft
humidifier according
carrier body
air
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
Application number
PCT/IL1997/000111
Other languages
English (en)
Inventor
Yehoshua Rigel
Saul Leibinsohn
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to AU20417/97A priority Critical patent/AU2041797A/en
Publication of WO1997035658A1 publication Critical patent/WO1997035658A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F6/00—Air-humidification, e.g. cooling by humidification
    • F24F6/02—Air-humidification, e.g. cooling by humidification by evaporation of water in the air
    • F24F6/06—Air-humidification, e.g. cooling by humidification by evaporation of water in the air using moving unheated wet elements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F23/00—Mixing according to the phases to be mixed, e.g. dispersing or emulsifying
    • B01F23/20—Mixing gases with liquids
    • B01F23/21—Mixing gases with liquids by introducing liquids into gaseous media
    • B01F23/213—Mixing gases with liquids by introducing liquids into gaseous media by spraying or atomising of the liquids

Definitions

  • the present invention relates to an air humidifier, and particularly to one for
  • Room heating systems produce relatively dry air, and therefore such systems frequently include humidifiers for humidifying the air.
  • Many types of humidifiers have been used for this purpose, including open-top water containers and water-saturated fabric materials, or other forms of water-carrier bodies, placed in the path of the stream of air so as to pick up moisture therefrom.
  • the efficiency of such devices is generally very limited.
  • water-saturated materials if left standing, serve as a breeding environment for microorganisms or unpleasant odors.
  • An object of the present invention is to provide an air humidifier having advantages in some or all of the above respects.
  • an air humidifier for humidifying air comprising: a water reservoir constructed to contain a quantity of water and to be located directly below the air to be humidified; and a water-carrier body having a water-retaining surface fixed to a rotary shaft mounted for rotation about an axis extending through the water-carrier body, and transversely of and above the water reservoir such that rotation of the water-carrier body immerses its lower portion in the water in the reservoir and then raises it out of the water in the reservoir into the path of the air to thereby humidify the air by the water retained on the water-carrier body.
  • the water-carrier body includes a plurality of circular rings fixed to and coaxial with the rotary shaft.
  • the water-carrier body includes a helical coil fixed to and coaxial with the rotary shaft.
  • the water-carrier body includes a cylinder and/or a plurality of discs, fixed to and coaxial with the rotary shaft.
  • the water reservoir includes a spring- suspension supporting the water reservoir below the rotary shaft such that the water reservoir ascends or descends according to the quantity of water therein to automatically maintain the lower portion of the water-carrier body immersed in the water in the reservoir irrespective of changes in the quantity of water therein.
  • the bottom of the water reservoir underlying the rotary shaft is formed with a downwardly- extending bulge of a configuration to accommodate the lower end of the water-carrier body during its rotation, to thereby allow the water-carrier body to be wetted by the water in the reservoir even where there is a small quantity of water in the reservoir.
  • the rotary shaft is coupled to an air turbine located in the path of the stream of air so as to be rotated thereby; and in other described embodiments, the rotary shaft is coupled to an electrical motor for rotating the rotary shaft and the water-carrier body fixed to it.
  • the water- carrier body used in such a humidifier may have a construction, or may be made of a material, which holds the water
  • Such an air humidifier is also easy to clean and to maintain.
  • Fig. 1 is a sectional view illustrating one form of air humidifier constructed in
  • Fig. 2 is a end view of the humidifier of Fig. 1;
  • Fig. 3 is a sectional view illustrating a unit that may be used in the construction of
  • Fig. 4 is an end view of the water-carrier unit of Fig. 3;
  • Figs. 5 and 6 are fragmentary sectional and end views, respectively, illustrating another construction that may be used for the water-carrier body
  • Fig. 7 is a fragmentary view illustrating still another construction of the water- carrier body
  • Figs. 8 and 9 are sectional and elevational views, respectively, of the connector in the water-carrier body construction of Fig. 7;
  • Figs. 10, 11, 12, 13, 14 and 15 are sectional views illustrating further constructions that may be used for the water-carrier body
  • Fig. 16 illustrates a modification in the manner of supporting the water reservoir with respect to the water- carrier body
  • Fig. 17 is a side elevational view illustrating a further modification in the construction of the humidifier to accommodate a plurality of water-carrier bodies
  • Fig. 18 is a top plan view, illustrating a further construction of air humidifier in accordance with the present invention.
  • Figs. 19, 20 and 21 are side, top and end views, respectively, of a further construction of air humidifier in accordance with the present invention.
  • Fig. 22 is a top plan view of a further air humidifier in accordance with the present
  • Figs. 23 and 24 are side elevational views along lines XXIII-XXIII and XXIV-- XXIV, respectively, of Fig. 22;
  • Fig. 25 is a top plan view illustrating a further construction of air humidifier in accordance with the present invention.
  • the air humidifier illustrated in Figs. 1 and 2 is adapted to be located in the path of a stream of warm air, generally designated 2 in Fig. 1, e.g., as may be discharged from a room heater, the outlet heat register of a room heating system, or the like.
  • the illustrated humidifier includes a water reservoir 3 in the form of an open-top container, to be located directly below the stream of warm air 2 and adapted to contain a quantity of water 4 for humidifying the warm air in stream 2.
  • a water-carrier body, generally designated 5 is fixed to a rotary shaft 6 extending through the center of the water-carrier body 5 and transversely across the water reservoir 3.
  • Shaft 6 is rotatably supported by a pair of side plates 7, which may be mounted to a fixed element of a room or outlet heat register, as schematically shown by mounting 8 (Fig. 1).
  • Water reservoir 3 is suspended from the side plates 7 by a spring-suspension 9 (Fig. 2).
  • a blade-type air turbine 10 is fixed to one end of the rotary shaft 6 in the path of the air stream 2 such that the air stream rotates the shaft 6 and the water-carrier body 5 fixed to it.
  • Water-carrier body 5 has a large water-retaining surface. The lower part of body 5 is immersed in the water 4 within the water reservoir 3. During the rotation of the water- carrier body by turbine blades 10, the surface of body 5 wetted with the water from the reservoir is continuously raised out of the reservoir into the path of the air stream 2, thereby humidifying the air.
  • the spring-suspension 9 of the water reservoir 3 causes the water reservoir to ascend or descend with respect to rotary shaft 6, and the water-carrier body 5 fixed to it, according to the quantity of water within the reservoir.
  • This spring suspension thus thereby automatically maintains the lower part of the water-carrier body 5 immersed in the water irrespective of changes in the quantity of water within the reservoir.
  • shaft 6 is outwardly bulged, as shown at 3' (Fig. 2) in a configuration to accommodate the lower part of the water- carrier body 5.
  • Bulge 3' thus allows the water-carrier body to be wetted by the water in the reservoir 3 even when there is a small quantity of water in the reservoir.
  • the water-carrier body 5 is of a construction to be wetted by the water in reservoir 3, and to retain a quantity of water on its outer surface after the so-wetted surface is raised from the water in the reservoir, and thereby to supply water for humidifying the air in stream 2.
  • Figs. 1 and 2 illustrate one example of such a body which includes a plurality of circular rings 11 fixed coaxially to the rotary shaft 6 by a plurality of radial arms 12 (Fig. 2).
  • there are two groups of circular rings namely rings 11a of one diameter alternating with rings 1 lb of a smaller diameter.
  • Figs. 3 and 4 illustrate a construction for such rings in which the rings are built in units of two rings.
  • Each unit includes one larger-diameter ring 11a and one smaller- diameter ring 1 lb joined by the radial arms 12 to a common hub 13.
  • Hub 13 includes a larger-diameter section 13a at one end, and a smaller-diameter section 13b at the opposite end, adapted to be received within section 13a of the next hub, thereby permitting a plurality of the hubs to be assembled together.
  • Figs. 5 and 6 illustrate another construction wherein the larger-diameter ring 14a is joined to the smaller-diameter ring 14b by an integrally formed connector section 14c at one or more spaced locations around the circumference of the two rings.
  • Figs. 7-9 illustrate a further construction wherein the larger-diameter ring 15a is connected to the smaller-diameter ring 15b by a separately attachable connector 16, having a pin 16a at one end receivable within an opening in ring 15 a, and a pin 16b at the opposite end receivable within an opening in ring 15b.
  • the rings can be built in units of two rings to a unit as described above with respect to Figs. 3 and 4, and then assembled together on the rotary shaft; alternatively, the water-carrier body could be built with all the rings connected together as a single unit, with the smaller- diameter rings alternating with the larger-diameter rings.
  • Figs. 10-12 illustrate examples of individual ring constructions.
  • Fig. 10 illustrates a ring 17 of solid construction
  • Fig. 11 illustrates a ring 18 of hollow construction
  • Fig. 12 illustrates a ring 19 of hollow construction but open at one
  • Figs. 13 and 14 illustrate other construction of the water-carrier body 5 of Figs. 1 and 2.
  • Fig. 13 illustrates the water-carrier body as an open helix 20
  • Fig. 14 illustrates this body as a closed helix 21.
  • Fig. 15 illustrates a still further example of the water-carrier body, the body in this
  • the water- carrier body is preferably of a material which retains the water picked up from the reservoir 3 for only a short period of time, sufficient to bring it into the path of the stream of air 2 for humidifying the air, but to permit the water to drain back into the reservoir 3 if the water-carrier body is not rotated.
  • Any suitable material that may be used for this purpose such as metal or plastic.
  • the body may also be of a fibrous material, such as nylon, glass fibers or the like.
  • Fig. 16 illustrates a variation wherein the spring suspension for the water reservoir 3 is adjustable with respect to the water-carrier body.
  • the side walls (7, Fig. 2) which support the water-carrier body (5, Fig. 2) are closed at each end by an end wall 25.
  • Each end wall 25 carries a plate 26 pivotally mounted at 27 to the respective end wall.
  • the suspension spring 9 is secured to one end of pivotal plate 26, and the opposite end of the pivotal plate 26 carries a retainer 28, such as a threaded screw, for releasably retaining the plate in a selected pivoted position.
  • Fig. 17 illustrates the variation wherein the humidifying device includes two (or more) water-carrier bodies, shown at 31 and 32, each fixed to a rotary shaft 33, 34, spaced longitudinally of the water reservoir 3.
  • the water-carrier bodies 31, 32 could be of any of the above- described constructions; and the water reservoir 3 is supported in suspension from such bodies by springs 35 as also described above.
  • Fig. 18 illustrates a humidifier construction including a blade-turbine 33 which rotates a shaft 34 coupled by a step-down transmission including gears 35a, 35b, 35c, 35d to a water-carrier body 36 rotated in a reservoir 37 at a reduced speed as compared to the rotational speed of rotary shaft 34.
  • Figs. 19-21 illustrate another construction, wherein the water reservoir, therein designated 40, is configured to define a main reservoir section 41 accommodating the water-carrier body 42 and therefore containing water to be picked up by that body during its rotation.
  • Reservoir 40 is formed with a cavity 43 at one side accommodating the air turbine 44 which rotates the water-carrier body 42.
  • the main section 41 of the reservoir is straddled on its opposite sides with side extensions 45, 46, also containing water. Since cavity 43 does not contain water, this construction as illustrated in Figs. 19-21 provides a very compact arrangement for the quantity of water it is capable of holding.
  • the bottom of reservoir 40 underlying rotary shaft 47 of the water-carrier body 41 is also outwardly bulged, as shown at 41a (Figs. 19 and 21) to allow the water-carrier body to be wetted by water in the reservoir even when there is only a very small quantity of water left in the reservoir.
  • Figs. 22-24 illustrate another humidifier construction, in which three water carrier
  • bodies 51a, 51b, 51c are immersed in the water reservoir 50.
  • Each body 51a, 51b, 51c is preferably in the form of one or more discs. All three groups are driven by two sets of air turbine vanes 52a, 52b coupled by a common shaft 53 to rotate the water-carrier discs 51a, 51b, 51c in the reservoir 50.
  • the rotary shaft of the water-carrier body extends parallel to the direction of flow of the air to be humidified in the construction illustrated in Figs. 22-24 including air turbine vanes 52a, 52b instead of blades
  • the rotary shaft 53 to which the water-carrier discs 51a, 51b, 51c are fixed extends perpendicularly to the direction of
  • the reservoir 50 in this construction includes three sections 50a, 50b, 50c, for receiving the water in which the water-carrier discs 51a, 51b, 51c are immersed.
  • the three sections of the reservoir are connected to a common water-containing section 50d on one side.
  • Fig. 25 illustrates a still further humidifier construction also including a water reservoir 60 and a plurality of disc-type water-carrying bodies 61a, 61b, 61c, all fixed to a common shaft 62 which, in this case, is rotated by an electrical motor 63.
  • the reservoir 60 also includes separate sections 60a, 60b, 60c for receiving the water-carrier discs 61a, 61b, 61c.
  • the spaces between the water reservoir section 61a, 61c are occupied by further discs 64a, 64b, which are fixed to the
  • carrier discs 61a, 61b, 61c The arrangement is such that when rotary shaft 62 is rotated, discs 61a, 61b, 61c humidify the air as described above, and discs 64a, 64b circulate the air transversely to the direction of the rotary shaft 62, thereby enhancing the humidification of the air.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air Humidification (AREA)

Abstract

L'invention concerne un humidificateur d'air comprenant un réservoir (3) d'eau conçu pour contenir une certaine quantité d'eau et être placé directement sous l'air à humidifier, ainsi qu'un corps (11a-11d) transportant l'eau, lequel présente une surface retenant l'eau, est fixé sur un arbre rotatif (6), monté pour tourner autour d'un axe traversant le corps transportant l'eau, et est transversal par rapport au réservoir d'eau et au-dessus de celui-ci, afin que sa rotation immerge la portion inférieure du corps dans l'eau du réservoir et la fasse ensuite sortir hors de cette eau, pour l'introduire dans le trajet de l'air et humidier celui-ci. Le corps transportant l'eau peut être mis en rotation par une turbine à air (10) ou par un moteur.
PCT/IL1997/000111 1996-03-27 1997-03-27 Humidificateur d'air Ceased WO1997035658A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
AU20417/97A AU2041797A (en) 1996-03-27 1997-03-27 Air humidifier

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IL11769396A IL117693A0 (en) 1996-03-27 1996-03-27 Air humidifier
IL117693 1996-03-27

Publications (1)

Publication Number Publication Date
WO1997035658A1 true WO1997035658A1 (fr) 1997-10-02

Family

ID=11068707

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/IL1997/000111 Ceased WO1997035658A1 (fr) 1996-03-27 1997-03-27 Humidificateur d'air

Country Status (3)

Country Link
AU (1) AU2041797A (fr)
IL (1) IL117693A0 (fr)
WO (1) WO1997035658A1 (fr)

Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US544175A (en) * 1895-08-06 Air moistening and purifying attachment for hot-air registers
US1208390A (en) * 1915-12-06 1916-12-12 James M Seymour Jr Cooling and humidifying apparatus.
US1961508A (en) * 1931-03-06 1934-06-05 Emerson Electric Mfg Co Humidifier
US2583195A (en) * 1946-11-22 1952-01-22 Wilcox George Air conditioner
GB930226A (en) * 1961-05-03 1963-07-03 Hartmann Hans Immersion dipper unit for use in sewage purifying installations
US3189328A (en) * 1961-01-23 1965-06-15 Controls Co Of America Humidifier
US3198000A (en) * 1962-03-23 1965-08-03 Chlorator Gmbh Device for supervising the content of gas in liquid
US3212492A (en) * 1963-04-22 1965-10-19 Honeywell Inc Humidification apparatus
CA729970A (en) * 1966-03-15 G. Grimes Patrick Rotary disk gas purifier
US3298676A (en) * 1965-07-28 1967-01-17 Leigh Prod Inc Air humidifiers for forced air ducts
US3452361A (en) * 1967-12-22 1969-06-24 Leeds & Northrup Co Ink supply for capillary pen
US3529810A (en) * 1968-07-29 1970-09-22 Eaton Yale & Towne Screen disc humidifier
US3647081A (en) * 1969-08-19 1972-03-07 Orenstein Koppel And Lebecker Device for purifying polluted water
US4185687A (en) * 1978-02-21 1980-01-29 The Air Preheater Company, Inc. Cooling tower
US4240991A (en) * 1979-08-03 1980-12-23 Armstrong Cork Company Humidifier
US4822533A (en) * 1986-12-11 1989-04-18 Emerson Electric Co. Humidifier with floating wick assembly and replaceable wick elements

Patent Citations (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA729970A (en) * 1966-03-15 G. Grimes Patrick Rotary disk gas purifier
US544175A (en) * 1895-08-06 Air moistening and purifying attachment for hot-air registers
US1208390A (en) * 1915-12-06 1916-12-12 James M Seymour Jr Cooling and humidifying apparatus.
US1961508A (en) * 1931-03-06 1934-06-05 Emerson Electric Mfg Co Humidifier
US2583195A (en) * 1946-11-22 1952-01-22 Wilcox George Air conditioner
US3189328A (en) * 1961-01-23 1965-06-15 Controls Co Of America Humidifier
GB930226A (en) * 1961-05-03 1963-07-03 Hartmann Hans Immersion dipper unit for use in sewage purifying installations
US3198000A (en) * 1962-03-23 1965-08-03 Chlorator Gmbh Device for supervising the content of gas in liquid
US3212492A (en) * 1963-04-22 1965-10-19 Honeywell Inc Humidification apparatus
US3298676A (en) * 1965-07-28 1967-01-17 Leigh Prod Inc Air humidifiers for forced air ducts
US3452361A (en) * 1967-12-22 1969-06-24 Leeds & Northrup Co Ink supply for capillary pen
US3529810A (en) * 1968-07-29 1970-09-22 Eaton Yale & Towne Screen disc humidifier
US3647081A (en) * 1969-08-19 1972-03-07 Orenstein Koppel And Lebecker Device for purifying polluted water
US4185687A (en) * 1978-02-21 1980-01-29 The Air Preheater Company, Inc. Cooling tower
US4240991A (en) * 1979-08-03 1980-12-23 Armstrong Cork Company Humidifier
US4822533A (en) * 1986-12-11 1989-04-18 Emerson Electric Co. Humidifier with floating wick assembly and replaceable wick elements

Also Published As

Publication number Publication date
AU2041797A (en) 1997-10-17
IL117693A0 (en) 1996-07-23

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