WO2020084177A1 - High sensitivity non-return valve with double flapper - Google Patents
High sensitivity non-return valve with double flapper Download PDFInfo
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- WO2020084177A1 WO2020084177A1 PCT/ES2019/070700 ES2019070700W WO2020084177A1 WO 2020084177 A1 WO2020084177 A1 WO 2020084177A1 ES 2019070700 W ES2019070700 W ES 2019070700W WO 2020084177 A1 WO2020084177 A1 WO 2020084177A1
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- Prior art keywords
- control volume
- clapper
- fluid
- outlet
- clappers
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Classifications
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- A—HUMAN NECESSITIES
- A62—LIFE-SAVING; FIRE-FIGHTING
- A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
- A62B18/00—Breathing masks or helmets, e.g. affording protection against chemical agents or for use at high altitudes or incorporating a pump or compressor for reducing the inhalation effort
- A62B18/08—Component parts for gas-masks or gas-helmets, e.g. windows, straps, speech transmitters, signal-devices
- A62B18/10—Valves
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61M—DEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
- A61M16/00—Devices for influencing the respiratory system of patients by gas treatment, e.g. ventilators; Tracheal tubes
- A61M16/20—Valves specially adapted to medical respiratory devices
- A61M16/208—Non-controlled one-way valves, e.g. exhalation, check, pop-off non-rebreathing valves
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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
- F16K11/052—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 pivoted closure members, e.g. butterfly valves
- F16K11/0525—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 pivoted closure members, e.g. butterfly valves the closure members being pivoted around an essentially central axis
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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
- F16K15/00—Check valves
- F16K15/02—Check valves with guided rigid valve members
- F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
- F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B7/00—Piston machines or pumps characterised by having positively-driven valving
- F04B7/0042—Piston machines or pumps characterised by having positively-driven valving with specific kinematics of the distribution member
- F04B7/0046—Piston machines or pumps characterised by having positively-driven valving with specific kinematics of the distribution member for rotating distribution members
Definitions
- the present invention relates to a high sensitivity double clap non-return valve, intended to control the air transfer between a control volume and the exterior, such that the control volume and the exterior are connected precisely by means of the valve of the invention, which is provided with two holes that communicate with the outside and two others that communicate with the control volume. One of these holes is always an exit and the other is always an entrance.
- valve of the invention is applicable in different sectors such as underwater, rescue, toxic atmospheres, fluid pumping, assisted respiration, valves for sanitary use and others.
- the object of the invention is to provide a non-return valve with high sensitivity in its operation, which is not affected in said operation by gravity, nor does it require elastic elements that require minimum pressure levels maintained for its correct operation.
- the non-return valves currently on the market require a pressure gradient to activate their opening, so that in order to close, the disappearance or inversion of such a pressure gradient is necessary.
- the oscillating clapper valves store elastic energy, having elements such as springs or diaphragms that allow their operation without depending on gravity, as in the case previously described.
- non-return valves are the piston or ball valves that, in addition to being affected by gravity, may be additionally assisted by elastic elements such as springs, with the limitations described above.
- valves described are structurally complex and most importantly, their reliability and operation is limited by a minimum maintained pressure gradient that must at all times overcome the gravity or elasticity of a material to be actuated.
- the highly sensitive double clapper non-return valve which is recommended, has a series of characteristics that solve the problems of conventional non-return valves, resulting in a simple, more precise valve, with lower pressure gradients and that does not need hold gradient to keep valve actuated.
- the valve of the invention is constituted from a base body in which two holes are established for the location of two clappers that are mounted on the same axis, the ends of which support inner lids. and external, from the base body itself.
- the clappers can rotate both clockwise and anti-clockwise, always jointly to add the efforts, so that both in one direction and in the other one of the clappers, for example, closes the entrance hole from the outside to the control volume, allowing the exit through the exit hole, or allowing the entrance from outside to the control volume, closing the control output and opening the entrance hole.
- the entry of fluid from the outside into the control volume is made through the inlet port and the fluid outlet from the control volume is done through the outlet port.
- the operating principle of the valve is based on the pressure difference between the control volume and the external pressure, so that when the external pressure is greater than the pressure within the control volume, the clappers that make up the closing mechanism They rotate a certain angle counterclockwise, allowing fluid to enter through the inlet and blocking the entry of fluid from the outlet, while when the outside pressure is less than the pressure Within the control volume, then the closure system rotates a certain angle clockwise, allowing fluid to escape to the outlet and blocking the flow of fluid to the inlet.
- an anti-return valve is obtained with a high sensitivity in its operation, which is not affected in its operation by gravity, nor does it require elastic elements that limit the pressure or minimum pressure levels for its correct operation. In addition to not requiring a maintained pressure gradient for the valve to maintain its state, either open or close.
- Figure 1 shows an exploded perspective view of a high sensitivity double clap non-return valve, made in accordance with the object of the present invention.
- Figure 2. Shows a transparent view of the assembly of the previous figure duly assembled.
- Figure 3. Shows a schematic detail of the first clapper that participates in the valve of the invention.
- Figure 4.- Shows a schematic detail of the second clapper that participates in the valve of the invention.
- Figure 5. Shows a perspective view of the valve during the admission process.
- Figure 5B.- Shows a schematic view of the valve in the intake maneuver.
- Figure 6. Shows a view similar to that of Figure 5, but corresponding to the expulsion process.
- Figure 6B Shows a view similar to that of Figure 5B, but corresponding to the expulsion process.
- FIGS 7-7B.- They show schematic and detailed views of the air inlet flow in the intake position.
- FIGS 8-8B.- They show schematic and detailed views of the blockage of the air inlet flow through the outlet mouth.
- FIGS 9-9B.- They show schematic and detailed views of the blockage of the outflow through the inlet mouth.
- FIGS 10-10B.- They show schematic and detailed views of the air outlet flow in the expulsion position.
- the high sensitivity double clap non-return valve object of the present application comprises a base body (1), with two caps, an outer cap (2) and an inner cap ( 3), base body (1) inside of which Two clappers (4,5) are mounted, which can rotate with respect to a common axis (6) to which both are integral, said clappers (4,5) being out of phase with each other.
- the base body (1) defines two chambers on either side of it where the clappers (4,5) play, and which are closed by the outer (2) and inner (3) covers. ), chambers that communicate with each other through a central hole (1 ') through which the central and cylindrical body (4'-5') hollow of both clappers (4,5) is tightly passed through.
- the first clapper (4) associated with the face and consequently the outer cover (2) of the device communicates through the internal hollow of its central and cylindrical body (4 ') with the inlet mouth (10) provided for the valve, acting as a communication link with the second clapper (5) through the hollow of its central and cylindrical body (5 '), which has holes (5 ”) that communicate the inlet mouth (10) with the inner chamber of the main body (1) in which pipes are defined to a control volume (8), control volume (8) that will also communicate with the outer chamber of the main body (1) in which the first one plays clapper (4), and in which ducts are defined that communicate with respective outlets (9) provided in the outer cover (2).
- the offset between clappers (4,5) is such that when the second clapper (5) is in the open position, that is to say allowing the admission of fluid through the inlet port (10) towards the control volume (8), the first clapper (4) blocks the outlet of said control volume towards the outlet ports (9).
- the second clapper (5) is shown and in figure 4 the first clapper (4), so that in correspondence with the central core (5 ') of the second clapper (5) the entrance mouth is established (10) towards the corresponding control volume (8) established in the valve body itself (1), so that, returning again to figure 4, the first clapper (4) is capable of rotating an angle a through which the control volume (8) is communicated with each outlet mouths (9), or rotated counterclockwise to block said control volume (8).
- the device thus described always performs the absorption of the fluid through the inlet mouth (10) and expels it through the outlet mouth (9), preventing the flow of fluid through the inlet mouth (10) and the entry of fluid through the outlet mouth (9).
- figure 7 shows the air inlet flow in the intake position and in figure 8 the blockage of air inlet flow through the outlet mouth.
- valve thus described can have multiple applications, one of said applications could be breathing in toxic atmospheres, in the absence of oxygen or under water, so that, by adding a second control volume, The problems of fogging in helmets where this type of valve would be implantable to control the user's breathing could be solved.
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- Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Pulmonology (AREA)
- General Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Emergency Medicine (AREA)
- Emergency Management (AREA)
- Business, Economics & Management (AREA)
- Anesthesiology (AREA)
- Biomedical Technology (AREA)
- Heart & Thoracic Surgery (AREA)
- Hematology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Check Valves (AREA)
- Self-Closing Valves And Venting Or Aerating Valves (AREA)
Abstract
Description
VÁLVULA ANTI-RETORNO DE DOBLE CLAPETA DE ALTA SENSIBILIDAD HIGH-SENSITIVITY DOUBLE CLAPETE ANTI-RETURN VALVE
OBJETO DE LA INVENCIÓN OBJECT OF THE INVENTION
La presente invención se refiere a una válvula anti-retorno de doble clapeta de alta sensibilidad, prevista para controlar la transferencia de aire entre un volumen de control y el exterior, de manera tal que ese volumen de control y el exterior están conectados precisamente mediante la válvula de la invención, la cual está dotada de dos orificios que comunican con el exterior y otros dos que comunican con el volumen de control. Uno de dichos orificios siempre es de salida y el otro siempre es de entrada. The present invention relates to a high sensitivity double clap non-return valve, intended to control the air transfer between a control volume and the exterior, such that the control volume and the exterior are connected precisely by means of the valve of the invention, which is provided with two holes that communicate with the outside and two others that communicate with the control volume. One of these holes is always an exit and the other is always an entrance.
La válvula de la invención es aplicable en distintos sectores como son el sub-acuático, salvamento, atmósferas tóxicas, bombeo de fluidos, respiración asistida, válvulas de uso sanitario y otros. The valve of the invention is applicable in different sectors such as underwater, rescue, toxic atmospheres, fluid pumping, assisted respiration, valves for sanitary use and others.
El objeto de la invención es proporcionar una válvula anti-retorno de alta sensibilidad en su funcionamiento, que no se vea afectada en dicho funcionamiento por la gravedad, ni precise de elementos elásticos que requieran niveles de presión mínimos mantenidos para su correcto funcionamiento. The object of the invention is to provide a non-return valve with high sensitivity in its operation, which is not affected in said operation by gravity, nor does it require elastic elements that require minimum pressure levels maintained for its correct operation.
ANTECEDENTES DE LA INVENCIÓN BACKGROUND OF THE INVENTION
Las válvulas anti-retorno existentes actualmente en el mercado requieren de un gradiente de presión para activar su apertura, de manera que para realizar el cierre es necesaria la desaparición o inversión de tal gradiente de presión. The non-return valves currently on the market require a pressure gradient to activate their opening, so that in order to close, the disappearance or inversion of such a pressure gradient is necessary.
En tal sentido, existen válvulas anti-retorno que funcionan de forma gravitatoria, de manera que almacenan energía o se bloquean cuando hay un gradiente de presión, y se liberan cuando cesa dicho gradiente. Estas válvulas disponen de elementos que suben y que regresan a su posición inicial cuando desaparece el gradiente de presión. In this sense, there are non-return valves that work in a gravitational way, so that they store energy or are blocked when there is a pressure gradient, and are released when said gradient ceases. These valves have elements that rise and that they return to their initial position when the pressure gradient disappears.
Las válvulas de clapeta oscilante, almacenan energía elástica, disponiendo de elementos tales como muelles o diafragmas que permiten su funcionamiento sin depender de la gravedad como sucede en el caso anteriormente descrito. The oscillating clapper valves store elastic energy, having elements such as springs or diaphragms that allow their operation without depending on gravity, as in the case previously described.
Sin embargo en este tipo de válvulas el gradiente de presiones debe mantenerse por encima de la resistencia elástica que ofrece el material. However, in this type of valve the pressure gradient must be kept above the elastic resistance offered by the material.
En otro grupo de válvulas anti-retorno están las de pistón o bola que, además de verse afectadas por la gravedad, pueden estar adicionalmente asistidas por elementos elásticos tales como muelles, con las limitaciones anteriormente descritas. In another group of non-return valves are the piston or ball valves that, in addition to being affected by gravity, may be additionally assisted by elastic elements such as springs, with the limitations described above.
En cualquiera de los casos las válvulas descritas son complejas estructuralmente y lo más importante, su fiabilidad y funcionamiento está limitado por un gradiente de presión mínima mantenida que debe superar en todo momento la gravedad o elasticidad de un material para accionarse. In either case the valves described are structurally complex and most importantly, their reliability and operation is limited by a minimum maintained pressure gradient that must at all times overcome the gravity or elasticity of a material to be actuated.
DESCRIPCIÓN DE LA INVENCIÓN DESCRIPTION OF THE INVENTION
La válvula anti-retorno de doble clapeta de alta sensibilidad, que se preconiza, presenta una serie de características que resuelven los problemas de las válvulas anti-retorno convencionales, resultando una válvula sencilla, más precisa, con menores gradientes de presión y que no necesita mantener el gradiente para mantener accionada la válvula. The highly sensitive double clapper non-return valve, which is recommended, has a series of characteristics that solve the problems of conventional non-return valves, resulting in a simple, more precise valve, with lower pressure gradients and that does not need hold gradient to keep valve actuated.
Para ello, y de forma más concreta, la válvula de la invención se constituye a partir de un cuerpo base en el que están establecidos dos orificios para ubicación de sendas clapetas que van montadas sobre un mismo eje, cuyos extremos apoyan en sendas tapas, interior y exterior, del propio cuerpo base. For this, and more specifically, the valve of the invention is constituted from a base body in which two holes are established for the location of two clappers that are mounted on the same axis, the ends of which support inner lids. and external, from the base body itself.
Las clapetas pueden girar tanto en sentido horario como en sentido anti-horario, siempre solidariamente para sumar los esfuerzos, de manera que tanto en un sentido como en otro una de las clapetas realiza, por ejemplo, el cierre del orificio de entrada del exterior al volumen de control, permitiendo la salida por el orificio de salida, o bien permitiendo la entrada del exterior al volumen de control, cerrando la salida de éste y abriendo el orificio de entrada. En todos los casos la entrada de fluido desde el exterior al volumen de control se realiza por el orificio de entrada y la salida de fluido proveniente del volumen de control se realiza por el orificio de salida. The clappers can rotate both clockwise and anti-clockwise, always jointly to add the efforts, so that both in one direction and in the other one of the clappers, for example, closes the entrance hole from the outside to the control volume, allowing the exit through the exit hole, or allowing the entrance from outside to the control volume, closing the control output and opening the entrance hole. In all cases, the entry of fluid from the outside into the control volume is made through the inlet port and the fluid outlet from the control volume is done through the outlet port.
El principio de funcionamiento de la válvula está basado en la diferencia de presiones entre el volumen de control y la presión exterior, de manera que cuando la presión exterior es mayor que la presión dentro del volumen de control, las clapetas que conforman el mecanismo de cierre giran un determinado ángulo en el sentido contrario a las agujas del reloj, permitiendo la entrada del fluido a través de la boca de entrada y bloqueando la entrada de fluido proveniente de la boca de salida, mientras que cuando la presión exterior es menor que la presión dentro del volumen de control, entonces el sistema de cierre gira un determinado ángulo en el sentido de las agujas del reloj, permitiendo la salida de fluido hacia la boca de salida y bloqueando la salida del fluido hacia la boca de entrada. The operating principle of the valve is based on the pressure difference between the control volume and the external pressure, so that when the external pressure is greater than the pressure within the control volume, the clappers that make up the closing mechanism They rotate a certain angle counterclockwise, allowing fluid to enter through the inlet and blocking the entry of fluid from the outlet, while when the outside pressure is less than the pressure Within the control volume, then the closure system rotates a certain angle clockwise, allowing fluid to escape to the outlet and blocking the flow of fluid to the inlet.
De esta forma se consigue una válvula anti-retorno con una alta sensibilidad en su funcionamiento, que no se ve afectada en su funcionamiento por la gravedad, ni precisa de elementos elásticos que limiten la presión o niveles de presión mínimos para su correcto funcionamiento. Además de no requerir un gradiente de presión mantenido para que la válvula mantenga su estado, bien de apertura o de cierre. In this way, an anti-return valve is obtained with a high sensitivity in its operation, which is not affected in its operation by gravity, nor does it require elastic elements that limit the pressure or minimum pressure levels for its correct operation. In addition to not requiring a maintained pressure gradient for the valve to maintain its state, either open or close.
DESCRIPCIÓN DE LOS DIBUJOS DESCRIPTION OF THE DRAWINGS
Para complementar la descripción que seguidamente se va a realizar y con objeto de ayudar a una mejor comprensión de las características del invento, de acuerdo con un ejemplo preferente de realización práctica del mismo, se acompaña como parte integrante de dicha descripción, un juego de planos en donde con carácter ilustrativo y no limitativo, se ha representado lo siguiente: To complement the description that will be made below and in order to help a better understanding of the characteristics of the invention, according to a preferred example of practical embodiment thereof, a set of drawings is included as an integral part of said description. where, by way of illustration and not limitation, the following has been represented:
La figura 1 Muestra una vista en perspectiva y en despiece de una válvula anti-retorno de doble clapeta de alta sensibilidad, realizada de acuerdo con el objeto de la presente invención. Figure 1 shows an exploded perspective view of a high sensitivity double clap non-return valve, made in accordance with the object of the present invention.
La figura 2.- Muestra una vista transparente del conjunto de la figura anterior debidamente montado. La figura 3.- Muestra un detalle esquemático de la primera clapeta que participa en la válvula de la invención. Figure 2.- Shows a transparent view of the assembly of the previous figure duly assembled. Figure 3.- Shows a schematic detail of the first clapper that participates in the valve of the invention.
La figura 4.- Muestra un detalle esquemático de la segunda clapeta que participa en la válvula de la invención. Figure 4.- Shows a schematic detail of the second clapper that participates in the valve of the invention.
La figura 5.- Muestra una vista en perspectiva de la válvula durante el proceso de admisión. Figure 5.- Shows a perspective view of the valve during the admission process.
La figura 5B.- Muestra una vista esquemática de la válvula en la maniobra de admisión. Figure 5B.- Shows a schematic view of the valve in the intake maneuver.
La figura 6.- Muestra una vista similar a la de la figura 5, pero correspondiente al proceso de expulsión. Figure 6.- Shows a view similar to that of Figure 5, but corresponding to the expulsion process.
La figura 6B.- Muestra una vista similar a la de la figura 5B, pero correspondiente al proceso de expulsión. Figure 6B.- Shows a view similar to that of Figure 5B, but corresponding to the expulsion process.
Las figuras 7-7B.- Muestran sendas vistas esquemática y en detalle del flujo de entrada de aire en la posición de admisión. Figures 7-7B.- They show schematic and detailed views of the air inlet flow in the intake position.
Las figuras 8-8B.- Muestran sendas vistas esquemática y en detalle del bloqueo del flujo de entrada de aire por la boca de salida. Figures 8-8B.- They show schematic and detailed views of the blockage of the air inlet flow through the outlet mouth.
Las figuras 9-9B.- Muestran sendas vistas esquemática y en detalle del bloqueo del flujo de salida por la boca de entrada. Figures 9-9B.- They show schematic and detailed views of the blockage of the outflow through the inlet mouth.
Las figuras 10-10B.- Muestran sendas vistas esquemática y en detalle del flujo de salida de aire en la posición de expulsión. Figures 10-10B.- They show schematic and detailed views of the air outlet flow in the expulsion position.
REALIZACIÓN PREFERENTE DE LA INVENCIÓN PREFERRED EMBODIMENT OF THE INVENTION
A la vista de las figuras reseñadas, puede observarse como la válvula anti-retorno de doble clapeta de alta sensibilidad objeto de la presente solicitud comprende un cuerpo base (1 ), con dos tapas, una tapa exterior (2) y una tapa interior (3), cuerpo base (1 ) en cuyo interior van montadas dos clapetas (4,5), que pueden girar respecto de un eje común (6) al que ambas son solidarias, estando dichas clapetas (4,5) desfasadas entre sí. In view of the reviewed figures, it can be seen how the high sensitivity double clap non-return valve object of the present application comprises a base body (1), with two caps, an outer cap (2) and an inner cap ( 3), base body (1) inside of which Two clappers (4,5) are mounted, which can rotate with respect to a common axis (6) to which both are integral, said clappers (4,5) being out of phase with each other.
De forma más concreta, en el cuerpo base (1 ) se definen sendas cámaras a uno y otro lado del mismo en el que juegan las clapetas (4,5), y que se cierran mediante las tapas exterior (2) e interior (3), cámaras que se comunican entre sí a través de un orificio central (1’) por el que es pasante ajustadamente el cuerpo central y cilindrico (4’-5’) hueco de ambas clapetas (4,5). More specifically, the base body (1) defines two chambers on either side of it where the clappers (4,5) play, and which are closed by the outer (2) and inner (3) covers. ), chambers that communicate with each other through a central hole (1 ') through which the central and cylindrical body (4'-5') hollow of both clappers (4,5) is tightly passed through.
De esta forma, la primera clapeta (4) asociada a la cara y consecuentemente tapa exterior (2) del dispositivo se comunica a través del hueco interior de su cuerpo central y cilindrico (4’) con la boca de entrada (10) prevista para la válvula, haciendo de nexo de comunicación con la segunda clapeta (5) a través del hueco de su cuerpo central y cilindrico (5’), el cual presenta unos orificios (5”) que comunican la boca de entrada (10) con la cámara interior del cuerpo principal (1 ) en la que se definen unas conducciones hacia un volumen de control (8), volumen de control (8) que se comunicará igualmente con la cámara exterior del cuerpo principal (1 ) en la que juega la primera clapeta (4), y en la que se definen unas conducciones que se comunican con respectivas bocas de salida (9) previstas en la tapa exterior (2). In this way, the first clapper (4) associated with the face and consequently the outer cover (2) of the device communicates through the internal hollow of its central and cylindrical body (4 ') with the inlet mouth (10) provided for the valve, acting as a communication link with the second clapper (5) through the hollow of its central and cylindrical body (5 '), which has holes (5 ”) that communicate the inlet mouth (10) with the inner chamber of the main body (1) in which pipes are defined to a control volume (8), control volume (8) that will also communicate with the outer chamber of the main body (1) in which the first one plays clapper (4), and in which ducts are defined that communicate with respective outlets (9) provided in the outer cover (2).
Así pues, el desfase entre clapetas (4,5) es tal que cuando la segunda clapeta (5) esté en posición de apertura, es decir permitiendo la admisión de fluido a través de la boca de entrada (10) hacia el volumen de control (8), la primera clapeta (4) bloquee la salida de dicho volumen de control hacia las bocas de salida (9). Thus, the offset between clappers (4,5) is such that when the second clapper (5) is in the open position, that is to say allowing the admission of fluid through the inlet port (10) towards the control volume (8), the first clapper (4) blocks the outlet of said control volume towards the outlet ports (9).
En la figura 3 se muestra la segunda clapeta (5) y en la figura 4 la primera clapeta (4), de manera que en correspondencia con el núcleo central (5’) de la segunda clapeta (5) se establece la boca de entrada (10) hacia el correspondiente volumen de control (8) establecido en el propio cuerpo de válvula (1 ), de manera que, volviendo nuevamente a la figura 4, la primera clapeta (4) es susceptible de girar un ángulo a mediante el que se comunica el volumen de control (8) con sendas bocas de salida (9), o bien girar en sentido contrario a las agujas del reloj para bloquear dicho volumen de control (8). In figure 3 the second clapper (5) is shown and in figure 4 the first clapper (4), so that in correspondence with the central core (5 ') of the second clapper (5) the entrance mouth is established (10) towards the corresponding control volume (8) established in the valve body itself (1), so that, returning again to figure 4, the first clapper (4) is capable of rotating an angle a through which the control volume (8) is communicated with each outlet mouths (9), or rotated counterclockwise to block said control volume (8).
Así pues, y tal y como se muestra de forma esquemática en la figura 5B, cuando la presión exterior a la boca de salida (9) es mayor que la presión dentro del volumen de control (8) entonces el mecanismo de cierre gira un ángulo a en sentido contrario a las agujas del reloj, permitiendo la entrada de fluido proveniente de la boca de entrada (10), y bloqueando la entrada de fluido proveniente de la boca de salida. Thus, and as shown schematically in Figure 5B, when the pressure outside the outlet mouth (9) is greater than the pressure within the control volume (8) then the closing mechanism rotates an angle a counterclockwise, allowing the entry of fluid from the inlet (10), and blocking the entry of fluid from the outlet.
Por su parte, cuando la presión exterior, es decir en la boca de salida (9) es menor que la presión dentro del volumen de control, entonces el mecanismo de cierre gira un ángulo a en el sentido de las agujas del reloj, permitiendo la salida del fluido contenido en el volumen de control (8) hacia la boca de salida (9), tal como muestra la figura 6B. On the other hand, when the external pressure, that is to say at the outlet mouth (9) is less than the pressure inside the control volume, then the closing mechanism rotates an angle a clockwise, allowing the outlet of the fluid contained in the control volume (8) towards the outlet mouth (9), as shown in figure 6B.
El dispositivo así descrito siempre realiza la absorción del fluido por la boca de entrada (10) y lo expulsa por la boca de salida (9), evitando la salida de fluido por la boca de entrada (10) y la entrada de fluido por la boca de salida (9). The device thus described always performs the absorption of the fluid through the inlet mouth (10) and expels it through the outlet mouth (9), preventing the flow of fluid through the inlet mouth (10) and the entry of fluid through the outlet mouth (9).
En las figuras 7, 8, 9 y 10 se muestran representaciones esquemáticas del funcionamiento de admisión y salida del fluido. Schematic representations of fluid inlet and outlet operation are shown in Figures 7, 8, 9, and 10.
Así, en la figura 7 se muestra el flujo de entrada de aire en la posición de admisión y en la figura 8 el bloqueo de flujo de entrada de aire por la boca de salida. Thus, figure 7 shows the air inlet flow in the intake position and in figure 8 the blockage of air inlet flow through the outlet mouth.
Es decir, que cuando la presión exterior en la boca de entrada (10) es mayor que la presión en el volumen de control (8), la posición de la segunda clapeta (5) permite la entrada de fluido por la boca de entrada (10), mientras que en la figura 8 se puede ver como cuando la presión exterior en la boca de salida (9) es mayor que la presión en el volumen de control (8), entonces la posición de la primera clapeta (4) impide la entrada de fluido por la boca de salida (9). That is, when the external pressure in the inlet mouth (10) is greater than the pressure in the control volume (8), the position of the second clapper (5) allows the entry of fluid through the inlet mouth ( 10), while in figure 8 it can be seen how when the external pressure in the outlet mouth (9) is greater than the pressure in the control volume (8), then the position of the first clapper (4) prevents the fluid inlet through the outlet mouth (9).
Sin embargo, en las figuras 9 y 10, se muestra el bloqueo de flujo de salida por la boca de entrada (10) y la salida de aire en la posición de expulsión, respectivamente. Es decir, que cuando la presión exterior en la boca de entrada (10) es menor que la presión en el volumen de control (8), entonces la segunda clapeta (5) impide la salida de fluido por la boca de entrada (10), mientras que cuando la presión exterior en la boca de salida (9) es menor que la presión en el volumen de control (8), entonces la posición de la primera clapeta (4) permite la salida del fluido por la boca de salida (9). However, in Figures 9 and 10, the outlet flow block by the inlet mouth (10) and the air outlet in the expulsion position, respectively, are shown. That is, when the external pressure in the inlet mouth (10) is less than the pressure in the control volume (8), then the second clapper (5) prevents the fluid from leaving the inlet mouth (10). , while when the external pressure in the outlet (9) is less than the pressure in the control volume (8), then the position of the first clapper (4) allows the fluid to exit through the outlet ( 9).
Se consigue así una válvula de alta sensibilidad, dado que la diferencia de presión entre el volumen de control y el exterior que acciona la doble clapeta es muy bajo, a lo que hay que añadir el hecho de que el único punto de apoyo del mecanismo de cierre son los extremos del eje, siendo el peso muy bajo, estando el mecanismo perfectamente equilibrado. Si bien y como se ha dicho con anterioridad la válvula así descrita puede tener múltiples aplicaciones, una de dichas aplicaciones podría ser la respiración en atmósferas tóxicas, en ausencia de oxígeno o bajo el agua, de manera que, añadiendo un segundo volumen de control, podrían solucionarse los problemas de vaho en los cascos en los que sería implantable este tipo de válvulas para controlar la respiración del usuario. This achieves a highly sensitive valve, since the pressure difference between the control volume and the exterior that actuates the double clapper is very low, to which must be added the fact that the only point of support of the closing mechanism is the ends of the shaft, the weight being very low, the mechanism being perfectly balanced. Although and as previously mentioned the valve thus described can have multiple applications, one of said applications could be breathing in toxic atmospheres, in the absence of oxygen or under water, so that, by adding a second control volume, The problems of fogging in helmets where this type of valve would be implantable to control the user's breathing could be solved.
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ESP201831033 | 2018-10-25 | ||
| ES201831033A ES2756873B2 (en) | 2018-10-25 | 2018-10-25 | HIGH SENSITIVITY DOUBLE CLAP ANTI-RETURN VALVE |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020084177A1 true WO2020084177A1 (en) | 2020-04-30 |
Family
ID=68393017
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/ES2019/070700 Ceased WO2020084177A1 (en) | 2018-10-25 | 2019-10-15 | High sensitivity non-return valve with double flapper |
Country Status (2)
| Country | Link |
|---|---|
| ES (1) | ES2756873B2 (en) |
| WO (1) | WO2020084177A1 (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2920836A1 (en) * | 2021-02-09 | 2022-08-10 | Servisalus I Mas D S L | Double clap anti-back valve (Machine-translation by Google Translate, not legally binding) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6185970A (en) * | 1984-10-04 | 1986-05-01 | 中澤 叔郎 | Valve mechanism and respiration apparatus |
| US20120304988A1 (en) * | 2011-06-06 | 2012-12-06 | Adam Meyer | Oscillating Positive Expiratory Pressure Device |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3519012A (en) * | 1968-10-28 | 1970-07-07 | Us Air Force | Low-respiratory valve |
| US5398673A (en) * | 1993-12-10 | 1995-03-21 | Environmental Support Systems, Inc. | Resuscitator-snorkel for land or water use |
| US6634357B1 (en) * | 2000-02-22 | 2003-10-21 | Life Support Technology, Inc. | Resuscitation valve assembly |
-
2018
- 2018-10-25 ES ES201831033A patent/ES2756873B2/en not_active Expired - Fee Related
-
2019
- 2019-10-15 WO PCT/ES2019/070700 patent/WO2020084177A1/en not_active Ceased
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6185970A (en) * | 1984-10-04 | 1986-05-01 | 中澤 叔郎 | Valve mechanism and respiration apparatus |
| US20120304988A1 (en) * | 2011-06-06 | 2012-12-06 | Adam Meyer | Oscillating Positive Expiratory Pressure Device |
Also Published As
| Publication number | Publication date |
|---|---|
| ES2756873A1 (en) | 2020-04-27 |
| ES2756873B2 (en) | 2021-05-14 |
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