ES2292052T3 - COMPENSATOR VALVE FOR FREEZERS. - Google Patents
COMPENSATOR VALVE FOR FREEZERS. Download PDFInfo
- Publication number
- ES2292052T3 ES2292052T3 ES05100212T ES05100212T ES2292052T3 ES 2292052 T3 ES2292052 T3 ES 2292052T3 ES 05100212 T ES05100212 T ES 05100212T ES 05100212 T ES05100212 T ES 05100212T ES 2292052 T3 ES2292052 T3 ES 2292052T3
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- ES
- Spain
- Prior art keywords
- freezer
- valve
- tubular body
- pressure
- blade
- 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.)
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
- F25D—REFRIGERATORS; COLD ROOMS; ICE-BOXES; COOLING OR FREEZING APPARATUS NOT OTHERWISE PROVIDED FOR
- F25D17/00—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces
- F25D17/04—Arrangements for circulating cooling fluids; Arrangements for circulating gas, e.g. air, within refrigerated spaces for circulating air, e.g. by convection
- F25D17/042—Air treating means within refrigerated spaces
- F25D17/047—Pressure equalising devices
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Physics & Mathematics (AREA)
- Mechanical Engineering (AREA)
- Thermal Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Cold Air Circulating Systems And Constructional Details In Refrigerators (AREA)
- Safety Valves (AREA)
Abstract
Un congelador o frigorífico con una válvula (5, 10) compensadora de presión, la cual conecta el compartimento de conservación del congelador con el ambiente exterior, estando dicha válvula conformada a partir de un elemento (12) de válvula similar a una cuchilla sometido en una cara a la presión del compartimento (2) de conservación y en la otra cara a la presión del ambiente exterior, controlando dicho elemento de válvula similar a una cuchilla el canal (5, 10) de intercomunicación en el interior del cual está interpuesto, en el sentido de al menos reducir la diferencia de presión, comprendiendo el canal un cuerpo (5) tubular que atraviesa una pared (3) o una puerta del congelador o frigorífico y que comunica con el compartimento (2) de conservación a través de una pared (6) final rígida provista de al menos una abertura (7), caracterizado porque el elemento (12) de válvula similar a una cuchilla está unido de manera flexible a un elemento (8) elástico acoplado al cuerpo (5) tubular en elextremo correspondiente al ambiente exterior.A freezer or refrigerator with a pressure compensating valve (5, 10), which connects the freezer storage compartment with the outside environment, said valve being formed from a valve element (12) similar to a blade subjected to one face at the pressure of the storage compartment (2) and on the other side at the pressure of the outside environment, said blade-like valve element controlling the intercom channel (5, 10) inside which it is interposed, in the sense of at least reducing the pressure difference, the channel comprising a tubular body (5) passing through a wall (3) or a freezer or refrigerator door and communicating with the storage compartment (2) through a rigid end wall (6) provided with at least one opening (7), characterized in that the blade-like valve element (12) is flexibly attached to an elastic element (8) coupled to the tubular body (5) in the end corresponding to the outside environment.
Description
Válvula compensadora para congeladores.Compensating valve for freezers.
El presente invento se refiere a una válvula compensadora para congeladores o frigoríficos, para compensar la diferencia de presión entre el ambiente exterior y el compartimento de conservación del congelador o frigorífico.The present invention relates to a valve compensator for freezers or refrigerators, to compensate for pressure difference between the outside environment and the compartment of conservation of the freezer or refrigerator.
La diferencia de presión entre el ambiente exterior (a presión atmosférica) y el compartimento de conservación (a menor presión) se opone a la apertura de la puerta que cierra dicho compartimento, haciendo esta operación relativamente fatigosa.The difference in pressure between the environment outside (at atmospheric pressure) and the storage compartment (at lower pressure) opposes the opening of the closing door said compartment, doing this operation relatively tiring
Para reducir tal fatiga, ya se han ideado soluciones para compensar (es decir, anular) esta diferencia. Una solución conocida, descrita en la Solicitud de Patente Japonesa nº 04146344 presentada el 12/05/92 y publicada el 22/11/93 comprende un conducto que conecta el compartimento de conservación con el ambiente exterior. El conducto está colocado en el interior de la puerta y contiene una válvula unida a la manilla (giratoria), la cual abre en primer lugar la válvula y después, al final de su recorrido, abre la puerta.To reduce such fatigue, they have already been devised solutions to compensate (i.e. cancel) this difference. A known solution, described in Japanese Patent Application No. 04146344 filed on 05/12/92 and published on 11/22/93 includes a conduit that connects the conservation compartment with the outdoor environment The duct is placed inside the door and contains a valve attached to the handle (swivel), the which opens the valve first and then, at the end of its Tour, open the door.
Esta solución conocida tiene su principal inconveniente en su relativa complejidad de construcción y por lo tanto en el coste, dando como resultado una considerable desventaja económica en virtud de la masa de congeladores o frigoríficos producidos.This known solution has its main inconvenient in its relative complexity of construction and so both in cost, resulting in a considerable disadvantage economical under the mass of freezers or refrigerators produced.
El documento EP 0 030 046 explica un frigorífico de acuerdo con el preámbulo de la reivindicación 1 adjunta.EP 0 030 046 explains a refrigerator according to the preamble of claim 1 attached.
El objetivo principal del presente invento es proporcionar una válvula compensadora que se puede considerar automática en el sentido de que no comprende ninguna conexión y no depende de la apertura de la puerta.The main objective of the present invention is provide a compensating valve that can be considered automatic in the sense that it does not understand any connection and does not It depends on the opening of the door.
Este y otros objetivos adicionales que serán más evidentes a partir de la subsiguiente descripción detallada son alcanzados por una válvula compensadora de acuerdo con las enseñanzas técnicas de las reivindicaciones adjuntas.This and other additional objectives that will be more evident from the subsequent detailed description are reached by a compensating valve according to the technical teachings of the appended claims.
El invento será más evidente a partir de la siguiente descripción detallada de una realización preferente del mismo proporcionada a modo de ejemplo no limitativo e ilustrada en los dibujos adjuntos, en los cuales:The invention will be more evident from the following detailed description of a preferred embodiment of the same provided by way of non-limiting example and illustrated in the attached drawings, in which:
La figura 1 es una vista esquemática parcialmente seccionada de la pared trasera de un congelador con la válvula compensadora del invento incorporada;Figure 1 is a schematic view partially sectioned from the back wall of a freezer with the compensating valve of the invention incorporated;
La figura 2 muestra la válvula del invento en sección axial.Figure 2 shows the valve of the invention in axial section
En las figuras el número de referencia 1 indica de forma global un congelador, el cual, en el ejemplo ilustrado, es en concreto del tipo de apertura frontal. El congelador presenta el compartimento 2 de conservación convencional definido por paredes con aislamiento térmico convencionales, de las cuales en la figura 1 se muestra ampliada la pared 3 trasera, siendo esa la pared en la cual se sitúa preferiblemente la válvula 4 compensadora del presente invento.In the figures reference number 1 indicates globally a freezer, which, in the illustrated example, is specifically the type of front opening. The freezer presents the conventional storage compartment 2 defined by walls with conventional thermal insulation, of which in figure 1 the rear wall 3 is shown enlarged, that being the wall in the which preferably the compensating valve 4 of the present invention
La válvula 4 comprende un cuerpo 5 tubular fabricado de polímero de ingeniería preferiblemente rígido, por ejemplo ABS, el cual pasa de un lado a otro de la pared 3 trasera y está incorporado en el interior de esta pared. Uno de los extremos de dicho cuerpo comprende una pared 6 final provista de una serie de aberturas 7 más o menos minúsculas que conectan el interior del cuerpo 5 tubular con el compartimento 2 de conservación. Por encima de su otro extremo (el extremo que sobresale de la pared 3 trasera) está estirado elásticamente un elemento 8 fabricado de material elástico, por ejemplo caucho natural o sintético, elastómeros termoplásticos o similar. Para este propósito el elemento 8 elástico presenta una ranura 9 anular y una parte 10 central cilíndrica que penetra en el interior del cuerpo 5 tubular. Para proporcionar una unión estanca necesaria y apropiada, el elemento 8 elástico presenta un borde 11 de unión estanca cónico convencional, el cual, cuando está en uso, está apoyado y presiona contra la cara exterior de la pared 3 trasera.The valve 4 comprises a tubular body 5 made of preferably rigid engineering polymer, by ABS example, which passes from one side of the rear wall 3 to the other and It is incorporated inside this wall. One end said body comprises a final wall 6 provided with a series of 7 or so lowercase openings that connect the inside of the tubular body 5 with storage compartment 2. Above from its other end (the end protruding from the rear wall 3) an element 8 made of material is stretched elastically elastic, for example natural or synthetic rubber, elastomers thermoplastics or similar. For this purpose element 8 elastic has an annular groove 9 and a central part 10 cylindrical that penetrates inside the tubular body 5. For provide a necessary and appropriate seal, element 8 elastic has a conventional conical sealing edge 11, which, when in use, is supported and pressed against the face exterior of the rear wall 3.
De acuerdo con el aspecto más importante del presente invento, el elemento 8 elástico presenta en el extremo o base de su parte 10 central cilíndrica un elemento de válvula delgado similar a una cuchilla con forma de lengüeta 12 circular unida a lo largo de una pequeña zona periférica, en 13 en el dibujo, con dicha parte 10 central cilíndrica, mientras que el resto de su periferia está apoyado, cuando está en la configuración anterior a su montaje, sobre el contorno 10A interior (final) de la parte 10 cilíndrica. A una cierta distancia pequeña del borde del cuerpo 5 tubular sobre el cual está montado el elemento 8 elástico, están colocados dos topes 14 con forma de dos costillas conformadas como un arco circular (menos que un semicírculo) que emergen desde la pared interior del cuerpo 5 tubular y están contenidos en el interior de un plano Z que forma un ángulo \alpha dado (por ejemplo, de aproximadamente 100º) con el eje del cuerpo 5 tubular. La lengüeta 12 se apoya, cuando está en su estado operativo, contra los dos topes 14 con forma de arcos circulares del cuerpo 5 tubular para cerrar completamente la sección transversal del canal del cuerpo 5 tubular.According to the most important aspect of present invention, the elastic element 8 presents at the end or base of its cylindrical central part 10 a valve element thin similar to a circular tongue-shaped blade 12 joined along a small peripheral area, at 13 in the drawing, with said cylindrical central part 10, while the rest of its periphery is supported, when it is in the configuration before its assembly, on the inner contour 10A (end) of part 10 cylindrical At a certain small distance from the edge of the body 5 tubular on which the elastic element 8 is mounted, are placed two stops 14 in the form of two ribs shaped as a circular arc (less than a semicircle) emerging from the inner wall of the tubular body 5 and are contained in the inside a plane Z that forms a given angle α (by example, approximately 100º) with the axis of the tubular body 5. Tab 12 is supported, when in its operational state, against the two stops 14 in the form of circular arcs of the tubular body 5 to completely close the cross section of the channel of the 5 tubular body.
Para alcanzar el estado operativo, la lengüeta 12 circular simplemente tiene que ser empujada con una fuerza F para provocar que pase, como resultado de su capacidad de deformación, más allá de los dos topes 14, de manera que haga tope contra ellos.To reach the operating state, the tab 12 circular simply has to be pushed with a force F to cause it to happen, as a result of its ability to deformation, beyond the two stops 14, so that it stops Against them.
Cuando está en condiciones de equilibrio (de presión), la lengüeta 12 intercepta a la sección transversal del canal de la parte 10 cilíndrica, al apoyarse de forma estanca contra las dos costillas 14.When in equilibrium conditions (of pressure), the tongue 12 intercepts the cross section of the channel of the cylindrical part 10, when leaned against the two ribs 14.
Cuando la presión en el compartimento 2 cae por debajo de la presión exterior, la lengüeta 12 se desvía hacia la derecha (con respecto a la figura 2) para separarse, en su extremo libre, de los topes 14 contra los cuales estaba apoyada, dejando así entre el compartimento 2 y el ambiente exterior un canal libre que (al menos en parte) compensa las dos presiones diferentes.When the pressure in compartment 2 drops by below the external pressure, the tongue 12 deflects towards the right (with respect to figure 2) to separate, at its end free, of the stops 14 against which it was leaning, leaving thus between the compartment 2 and the outside environment a free channel which (at least in part) compensates for the two different pressures.
El alcance del invento incluye cualquier otra posición de la unidad de válvula descrita y representada en detalle en la figura 2. Por ejemplo, la unidad puede situarse dentro del techo o de las paredes laterales del compartimento 2, o incluso en la puerta correspondiente.The scope of the invention includes any other position of the valve unit described and represented in detail in figure 2. For example, the unit can be placed inside the roof or side walls of compartment 2, or even in the corresponding door.
El congelador puede ser también del tipo de arcón.The freezer can also be of the type of bunker.
Claims (3)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT000115A ITMI20040115A1 (en) | 2004-01-28 | 2004-01-28 | COMPENSATING VALVE FOR FREEZERS |
ITMI04A0115 | 2004-01-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES2292052T3 true ES2292052T3 (en) | 2008-03-01 |
Family
ID=34640374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES05100212T Active ES2292052T3 (en) | 2004-01-28 | 2005-01-14 | COMPENSATOR VALVE FOR FREEZERS. |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1559971B1 (en) |
DE (1) | DE602005002151T2 (en) |
ES (1) | ES2292052T3 (en) |
IT (1) | ITMI20040115A1 (en) |
PL (1) | PL1559971T3 (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE202006005549U1 (en) * | 2006-04-05 | 2006-06-08 | BSH Bosch und Siemens Hausgeräte GmbH | Device housing and pressure compensation valve for it |
DE102007021600A1 (en) * | 2007-05-08 | 2008-11-13 | BSH Bosch und Siemens Hausgeräte GmbH | Housing for a refrigeration device |
DE102009003261A1 (en) * | 2009-05-20 | 2010-11-25 | BSH Bosch und Siemens Hausgeräte GmbH | Refrigeration unit housing with pressure compensation passage |
DE102011014847A1 (en) * | 2011-03-23 | 2012-09-27 | Liebherr-Hausgeräte Ochsenhausen GmbH | Cooling and refrigerating device for containers, has compartment for accommodating chilled or frozen food, closure element closing compartment, and two walls |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3680329A (en) * | 1971-02-18 | 1972-08-01 | Emhart Corp | Pressure equalizing valve |
IT1126138B (en) * | 1979-12-04 | 1986-05-14 | Silvana Maccari | PRESSURE COMPENSATING VALVE PARTICULARLY FOR HOT OR COLD ISOTHERMAL CELLS |
DE3151940A1 (en) * | 1981-12-30 | 1983-07-07 | G + H Montage Gmbh, 6700 Ludwigshafen | Device for compensating pressure differences between a temperature-controlled room and the surrounding atmosphere |
JPH0112150Y2 (en) * | 1985-11-06 | 1989-04-10 |
-
2004
- 2004-01-28 IT IT000115A patent/ITMI20040115A1/en unknown
-
2005
- 2005-01-14 PL PL05100212T patent/PL1559971T3/en unknown
- 2005-01-14 DE DE602005002151T patent/DE602005002151T2/en active Active
- 2005-01-14 EP EP05100212A patent/EP1559971B1/en not_active Expired - Fee Related
- 2005-01-14 ES ES05100212T patent/ES2292052T3/en active Active
Also Published As
Publication number | Publication date |
---|---|
ITMI20040115A1 (en) | 2004-04-28 |
PL1559971T3 (en) | 2008-01-31 |
EP1559971B1 (en) | 2007-08-29 |
EP1559971A1 (en) | 2005-08-03 |
DE602005002151T2 (en) | 2008-05-21 |
DE602005002151D1 (en) | 2007-10-11 |
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