EP0550503B1 - Reservoir sous pression a jeter, servant en particulier de recharge pour les installations frigorifiques et les installations de climatisation - Google Patents

Reservoir sous pression a jeter, servant en particulier de recharge pour les installations frigorifiques et les installations de climatisation Download PDF

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Publication number
EP0550503B1
EP0550503B1 EP91916406A EP91916406A EP0550503B1 EP 0550503 B1 EP0550503 B1 EP 0550503B1 EP 91916406 A EP91916406 A EP 91916406A EP 91916406 A EP91916406 A EP 91916406A EP 0550503 B1 EP0550503 B1 EP 0550503B1
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EP
European Patent Office
Prior art keywords
valve
bore
valve plug
filling
shoulder
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.)
Expired - Lifetime
Application number
EP91916406A
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German (de)
English (en)
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EP0550503A1 (fr
Inventor
Günter M. VOGEL
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.)
HAGO CHEMOTECHNIK VERTRIEBS GmbH
Original Assignee
HAGO CHEMOTECHNIK VERTRIEBS GmbH
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Filing date
Publication date
Application filed by HAGO CHEMOTECHNIK VERTRIEBS GmbH filed Critical HAGO CHEMOTECHNIK VERTRIEBS GmbH
Publication of EP0550503A1 publication Critical patent/EP0550503A1/fr
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Publication of EP0550503B1 publication Critical patent/EP0550503B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D83/00—Containers or packages with special means for dispensing contents
    • B65D83/14—Containers or packages with special means for dispensing contents for delivery of liquid or semi-liquid contents by internal gaseous pressure, i.e. aerosol containers comprising propellant for a product delivered by a propellant
    • B65D83/75—Aerosol containers not provided for in groups B65D83/16 - B65D83/74
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D49/00—Arrangements or devices for preventing refilling of containers
    • B65D49/02—One-way valves
    • B65D49/04—Weighted valves

Definitions

  • the invention relates to a disposable pressure container, in particular as a refill container for refrigeration and air conditioning systems, with a combined filling and removal valve which has a filling and removal opening and which has a valve body displaceably guided in a bore of a valve housing and pressed against a valve seat by spring force comprises, which can be lifted both for filling the pressure container and for removing the pressurized container contents against the action of the spring force from the valve seat, and which comprises a second valve body which, before the first filling of the container by an overcome and fluid-permeable lock from its valve seat is held at a distance, wherein a plunger which can be actuated from the filling and removal opening and acts on the second valve body is provided, with which the second valve body can be pressed over the resilient lock, as a result of which the second valve body follows overcome the barrier forms a check valve with its valve seat, preventing re-filling of the container.
  • Disposable pressure vessels are known from a number of applications. The most common use is likely to be as a spray can for spraying any product using a propellant. Such pressure vessels are also used as a gas tank for smaller brazing or welding devices. Another important use is as a refill container for Motor vehicle air conditioners. Before the motor vehicles are delivered, there is usually a certain loss of refrigerant in the closed air conditioning circuit. This loss is compensated for by the refrigerant contained in the refill containers, which is fed into the air conditioning system via the filling and removal valve.
  • a disposable pressure vessel of the type mentioned is known from US-PS 37 04 813. This pressure vessel already has the advantage that it prevents refilling. However, the valve housing is structurally relatively complex and therefore expensive to manufacture.
  • valve housing is integrally formed from plastic with a first bore for receiving the first valve body and a second bore for receiving the second valve body in that the first bore on the end opposite the first valve seat has a radially inward facing , in one piece with the housing formed shoulder, on which on the one hand a coil spring pressing the first valve body against the first valve seat is supported, and on the other hand the lock for the second valve body is formed, the shoulder projecting radially inward into the circular plan of the second bore has, which are also integrally formed with the valve housing made of plastic.
  • the valve housing can be easily molded as an injection, e.g. made of polyamide or the like produce. A considerable safety advantage can thus be achieved with a very low cost.
  • a particularly simple design of the projections results if they are designed as radially inner ends of radial webs arranged on the shoulder and evenly distributed over the circumference. These webs lift the second valve body from the shoulder when it is filled for the first time, so that the fluid can flow into the smaller second bore and thus into the container when the container is filled through channels which are delimited by the webs.
  • the projections, seen from the smaller second bore converge conically towards the larger first bore.
  • the valve body which is located within the second smaller bore after the first filling, is centered by the projections when the fluid is removed from the container, so that a uniform annular gap is formed through which the fluid can flow into the larger bore.
  • the second valve body is rotationally symmetrical and has a smaller diameter than the second hole.
  • the helical spring is supported on the webs formed on the shoulder and has an inner diameter that is slightly larger than that of the second valve body. In this way, the helical spring is a guide for the second valve body when the second valve body is pushed through the lock into the second, smaller bore after the first filling with the aid of the tappet.
  • the second valve body is a ball, which preferably consists of a harder material than the projections.
  • a preferred material for the ball is glass or steel, while polyamide is preferably used for the valve housing and the projections.
  • a structurally and fluidically preferred solution can also provide that the tappet is surrounded at a distance by a collar of the first valve body, and that the coil spring engages in the space between the tappet and the collar on the first valve body.
  • a pressure vessel 1 is shown, which is closed by a lid 2.
  • the lid 2 is connected to the upper edge of the container 1 by a crimp closure.
  • an essentially cylindrical elevation 3 is provided, in the middle of which a filling and removal opening 5 is provided.
  • a thread 6 is arranged for screwing on a filling or removal head, which is not shown here for the sake of clarity 3 is held.
  • the valve 4 comprises a valve housing 8, which is sealed with a sealing washer 9 from the upper end of the elevation 3.
  • a larger first bore 10 is provided within the seal housing 8, in which a first valve body 11 is arranged to be displaceable coaxially to the bore 10.
  • the first valve body 11 has a sealing collar 12 on its side facing the filling and removal opening 5, which cooperates with the sealing disk 9 surrounding the opening 5. More specifically, the valve body 11 with its sealing collar 12 is pressed against the sealing disk 9 by a helical spring 13.
  • the helical spring 13 is supported indirectly on a shoulder 14 arranged opposite the filling and removal opening 5. In the axial direction, the shoulder 14 is followed by a second bore 15 with a smaller diameter, which opens into the interior of the container and at whose end facing away from the shoulder 14 a conical valve seat 16 is formed.
  • On the shoulder 14 are five radially inwardly pointing webs 17, the free ends 18 of which protrude into the cross section of the second bore 15. The free ends 18 are, seen from the smaller bore 15, tapered towards the larger bore 10.
  • guide ribs 19 for the first valve body 11 are provided which run parallel to the bore axis. These guide ribs 19 converge in the area of the shoulder to the center of the bore and form a guide there for the end of the helical spring 13 resting on the webs 17.
  • the first valve body 11 has a plunger 20 pointing towards the second, smaller bore 15, which is formed in one piece with the first valve body.
  • the plunger 20 is surrounded at a distance by a collar 21 of the first valve body 11 facing the shoulder 14.
  • the coil spring 13 is seated in the annular gap formed by the tappet 20 in the collar 21 and is supported on the bottom of the gap with respect to the first valve body 11.
  • the tappet 20 ends at a distance from the webs 17.
  • the distance is chosen so large that a ball 22 fits into the intermediate space, the diameter of which is slightly smaller than the diameter of the second Bore 15, but larger than the clear distance between the free ends 18 of the webs 17th
  • the pressure vessel is shown before it is filled for the first time.
  • the first valve body 11 is pressed by the spring 13 against the seal 9, and the second valve body, ie the ball 22, is still in the large bore 10 in front of the webs 17.
  • the filler pin 23 is now inserted through the filling and removal opening 5 becomes, it seals against the sealing washer 9 and lifts the first valve body 11 against the sealing washer 9.
  • Fluid filled through the filler pin can now pass between the valve body 11, the sealing washer 9, then through the between the large bore 10 and the first Valve body formed annular gap and then pass between the webs 17 into the smaller bore 15 and from there into the interior of the container.
  • the filler pin 23 or possibly another mandrel is pushed further into the filling opening, so that the plunger 20 presses the ball 22 lying in front of the webs 17 into the smaller, second bore 15.
  • the webs 17 are made of a softer material than the ball 22, which is preferably made of steel or glass.
  • the first valve body 11 is lifted off its seat again via a mandrel.
  • the pressurized container wall now strives to flow into the larger bore 10 through the smaller, second bore 15.
  • the ball 22 now located in the smaller bore 15 is pressed from the rear against the free ends 18 of the webs 17. Due to the inclined design of the free ends 18 of the webs, the ball 22 is centered so that the emerging fluid can flow uniformly around the ball and enter the larger bore, in order to then be formed by the one formed between the first valve body 11 and the wall of the large bore 10 Annular gap and between the sealing disc 9 and the lifted valve body 11 to get out.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Dispersion Chemistry (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Check Valves (AREA)

Abstract

Sur un réservoir sous pression à jeter, il est prévu une soupape combinée de remplissage et de décharge qui comporte un corps de soupape (11) coulissant dans une cavité d'un boîtier de soupape (8) et pressé contre un siège de soupape par une force élastique, corps qui peut se soulever de son siège aussi bien pendant le remplissage que pendant la décharge. La soupape comprend également un deuxième corps de soupape (22) qui est maintenu écarté de son siège (16), avant le premier remplissage du réservoir, par un dispositif d'arrêt (17, 18) franchissable et perméable aux liquides. Après le remplissage du réservoir, le deuxième corps de soupape (22) est repoussé au-delà du dispositif d'arrêt (17) et forme avec son siège (16) une soupape de retenue qui empêche un nouveau remplissage du réservoir (1). Pour abaisser le coût de fabrication de la soupape, le boîtier (8) est réalisé dans une seule pièce en matière plastique avec une première cavité (10) destinée à recevoir le premier corps de soupape et une deuxième cavité (15) destinée à recevoir le deuxième corps de soupape (22). La première cavité (10) présente, sur le côté opposé au premier siège (9), un retrait (14) dirigé vers l'intérieur dans le sens radial et formé d'une seule pièce avec le boîtier, retrait sur lequel des parties en saillie (18), disposées vers l'intérieur dans le sens radial, dans le plan horizontal circulaire de la deuxième cavité (15), sont réalisées en une seule pièce en matière plastique avec le boîtier. Le premier corps de soupape (11) s'appuie par un ressort cylindrique (13) contre le retrait (14). tandis que les parties en saillie (18) forment le dispositif d'arrêt pour le deuxième corps de soupape (22).

Claims (9)

  1. Réservoir sous pression jetable, servant en particulier de recharge pour des installations frigorifiques et des installations de climatisation, comportant une soupape combinée de remplissage et de soutirage qui présente une ouverture de remplissage et de soutirage (5), qui comprend un corps de soupape (11) guidé avec liberté de coulissement dans un alésage (10) d'une cage de soupape (8), que la force d'un ressort (13) appuie contre un siège de soupape (9) et que, aussi bien pour le remplissage du réservoir sous pression (1) que pour le soutirage du contenu du réservoir tenu sous pression, l'on peut faire décoller du siège de soupape (9) à l'encontre de l'action de la force du ressort (13), et qui comprend un second corps de soupape qui, avant le premier remplissage du réservoir (1), est maintenu à distance de son siège de soupape (16) par un verrou (18) surmontable et perméable au fluide, réservoir dans le cas duquel est prévu un poussoir (20) que l'on peut manoeuvrer par l'ouverture de remplissage et de soutirage (5), qui agit sur le second corps de soupape (22) et avec lequel on peut pousser le second corps de soupape (22) au-delà du verrou élastique (17, 18), ce par quoi le second corps de soupape (22) après avoir surmonté le verrou (17, 18) forme, avec son siège de soupape (16), un clapet de non-retour qui empêche un nouveau remplissage du réservoir (1), réservoir caractérisé par le fait que la cage de soupape (8) est conçue d'une pièce en matière plastique avec un premier alésage (10) pour recevoir le premier corps de soupape et un second alésage (15) pour recevoir le second corps de soupape (22), que le premier alésage (10) présente, à l'extrémité opposée au premier siège de soupape (9), un décrochement (14) qui est orienté radialement vers l'intérieur, qui est conçu d'une pièce avec le corps, sur lequel d'une part s'appuie un ressort hélicoïdal (13) poussant contre le premier corps de soupape (11) en direction du premier siège de soupape (9), et sur lequel d'autre part est réalisé le verrou (17, 18) pour le second corps de soupape (22), étant précisé que le décrochement (14) présente des saillies (18) qui dépassent radialement vers l'intérieur dans le contour circulaire du second alésage (15) et qui sont également formées en matière plastique, d'une pièce avec le corps de robinet (8).
  2. Réservoir sous pression selon la revendication 1, caractérisé par le fait que les saillies sont conçues sous forme d'extrémités (8), situes radialement vers l'intérieur, de nervures radiales (17) disposées sur le décrochement (14) et régulièrement réparties sur la périphérie.
  3. Réservoir sous pression selon la revendication 1 ou 2, caractérisé par le fait que, vues depuis le second alésage (15), plus petit, les saillies (18) convergent en cône vers le premier alésage (10), plus grand.
  4. Réservoir sous pression selon l'une des revendications 1 à 3, caractérisé par le fait que le second corps de soupape (22) présente une symétrie de rotation et un diamètre inférieur à celui du second alésage (15).
  5. Réservoir sous pression selon l'une des revendications 1 à 4, caractérisé par le fait que le ressort hélicoïdal s'appuie sur les nervures (17) prévues sur le décrochement (14) et présente un diamètre intérieur légèrement supérieur à celui du second corps de soupape (22).
  6. Réservoir sous pression selon l'une des revendications 1 à 5, caractérisé par le fait que le second corps de soupape (22) est une bille.
  7. Réservoir sous pression selon l'une des revendications 1 à 6, caractérisé par le fait que le matériau du second corps de soupape (22) est plus dur que celui des saillies (18).
  8. Réservoir sous pression selon l'une des revendications 1 à 7, caractérisé par le fait que le poussoir (20) est conçu en matière plastique, d'une pièce avec le premier corps de soupape (11) et qu'il est disposé coaxialement dans le premier alésage (10) de la cage de soupape (8).
  9. Réservoir sous pression selon l'une des revendications 1 à 8, caractérisé par le fait que le poussoir (20) est, à une certaine distance, entouré par un collet du premier corps de soupape (11) et que le ressort hélicoïdal (13) s'appuie sur le premier corps de soupape (11) dans l'espace intermédiaire entre poussoir (20) et collet (21).
EP91916406A 1990-10-02 1991-09-10 Reservoir sous pression a jeter, servant en particulier de recharge pour les installations frigorifiques et les installations de climatisation Expired - Lifetime EP0550503B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE9013730U DE9013730U1 (fr) 1990-10-02 1990-10-02
DE9013730U 1990-10-02
PCT/EP1991/001723 WO1992006019A1 (fr) 1990-10-02 1991-09-10 Reservoir sous pression a jeter, servant en particulier de recharge pour les installations frigorifiques et les installations de climatisation

Publications (2)

Publication Number Publication Date
EP0550503A1 EP0550503A1 (fr) 1993-07-14
EP0550503B1 true EP0550503B1 (fr) 1994-07-13

Family

ID=6858000

Family Applications (1)

Application Number Title Priority Date Filing Date
EP91916406A Expired - Lifetime EP0550503B1 (fr) 1990-10-02 1991-09-10 Reservoir sous pression a jeter, servant en particulier de recharge pour les installations frigorifiques et les installations de climatisation

Country Status (4)

Country Link
US (1) US5305925A (fr)
EP (1) EP0550503B1 (fr)
DE (2) DE9013730U1 (fr)
WO (1) WO1992006019A1 (fr)

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US5400920A (en) * 1993-07-29 1995-03-28 Minnesota Mining And Manufacturing Company One-time fill aerosol valve
US5383487A (en) * 1994-03-29 1995-01-24 Home; William Refill-prevention valve
US5586589A (en) * 1995-05-19 1996-12-24 Monsanto Company Refillable closed container system
ES2274648T3 (es) * 1999-11-10 2007-05-16 Walter Tosto Serbatoi S.P.A. Sistema de conexion de cartuchos para distribuidores de gas combustible.
DE10050085C1 (de) * 2000-10-10 2001-10-31 Jochem Koetting Verschlußelement und Verschlußsystem für Behältnisse und Gefäße
US6561237B1 (en) * 2000-11-28 2003-05-13 Brasscorp Ltd. Apparatus and method for urging fluid into a pressurized system
KR100884650B1 (ko) * 2002-12-26 2009-02-20 정현수 병마개
US6932238B2 (en) * 2003-01-28 2005-08-23 Air Liquide Advanced Technologies U.S. Llc Non-refillable valve device
US7077171B2 (en) * 2004-05-21 2006-07-18 Interdynamics, Inc. Controlled leakage container and method
US8074965B2 (en) * 2004-10-19 2011-12-13 Eric Carrato Device for connecting a gas-operated appliance and a gas cartridge
FR2901863B1 (fr) * 2006-06-06 2008-08-22 Applic Des Gaz Soc Par Actions Cartouche de gaz combustible liquide
US20070284395A1 (en) * 2006-06-09 2007-12-13 Scott Specialty Gases, Inc. Container and method for maintaining stability of gas mixtures
US7971454B2 (en) * 2008-07-28 2011-07-05 Datacolor Holding Ag Beaker type dyeing machine
CN102224087B (zh) * 2008-10-09 2013-03-27 株式会社大造 喷雾容器的密封结构、喷雾容器及喷雾容器的制造方法
KR101543298B1 (ko) * 2008-10-13 2015-08-10 에스케이 텔레콤주식회사 동영상 부호화/복호화 장치 및 그를 위한 가변 단위의 적응적 중첩 블록 움직임 보상 장치 및 방법
DE102008053716B4 (de) * 2008-10-29 2012-09-27 Khs Gmbh Behälter, insbesondere großvolumiger Einwegbehälter aus Kunststoff wie beispielweise Keg zur Aufnahme von Getränken
US10113780B2 (en) 2011-11-14 2018-10-30 The Armor All/Stp Products Company Refrigerant charging assemblies and methods of use
CN104520619B (zh) * 2012-07-27 2018-11-02 科慕埃弗西有限公司 罐龙头
US9145240B2 (en) * 2013-04-25 2015-09-29 Owens-Brockway Glass Container Inc. Container fitment
KR102005615B1 (ko) * 2013-12-03 2019-07-30 가부시키가이샤 미타니 밸브 에어로졸 하우징 기구 및 이 에어로졸 하우징 기구를 구비한 에어로졸식 제품
DE202014001720U1 (de) * 2014-02-27 2015-03-02 Gerhard Brugger Spender

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DE2559444C3 (de) * 1975-01-29 1979-06-13 Deutsche Praezisions-Ventil Gmbh, 6234 Hattersheim Ventil für Druckgaspackungen
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ES2044466T3 (es) * 1989-05-29 1994-01-01 Air Liquide Conjunto de valvula para envase de fluido bajo presion, y envase equipado con dicho conjunto.

Also Published As

Publication number Publication date
DE9013730U1 (fr) 1992-02-06
US5305925A (en) 1994-04-26
DE59102198D1 (de) 1994-08-18
EP0550503A1 (fr) 1993-07-14
WO1992006019A1 (fr) 1992-04-16

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