EP0760789B1 - Ensemble bouchon fixable sur le col d'un reservoir - Google Patents

Ensemble bouchon fixable sur le col d'un reservoir Download PDF

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Publication number
EP0760789B1
EP0760789B1 EP95923217A EP95923217A EP0760789B1 EP 0760789 B1 EP0760789 B1 EP 0760789B1 EP 95923217 A EP95923217 A EP 95923217A EP 95923217 A EP95923217 A EP 95923217A EP 0760789 B1 EP0760789 B1 EP 0760789B1
Authority
EP
European Patent Office
Prior art keywords
cap
closure cap
temperature
control
memory spring
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
EP95923217A
Other languages
German (de)
English (en)
Other versions
EP0760789A1 (fr
Inventor
Heinrich Reutter
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
Priority claimed from DE4422292A external-priority patent/DE4422292A1/de
Application filed by Individual filed Critical Individual
Publication of EP0760789A1 publication Critical patent/EP0760789A1/fr
Application granted granted Critical
Publication of EP0760789B1 publication Critical patent/EP0760789B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204—Filling
    • F01P11/0209—Closure caps
    • F01P11/0247—Safety; Locking against opening
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204—Filling
    • F01P11/0209—Closure caps
    • F01P11/0238—Closure caps with overpressure valves or vent valves
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P11/00—Component parts, details, or accessories not provided for in, or of interest apart from, groups F01P1/00 - F01P9/00
    • F01P11/02—Liquid-coolant filling, overflow, venting, or draining devices
    • F01P11/0204—Filling
    • F01P11/0209—Closure caps
    • F01P11/0247—Safety; Locking against opening
    • F01P2011/0261—Safety; Locking against opening activated by temperature
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
    • F01P—COOLING OF MACHINES OR ENGINES IN GENERAL; COOLING OF INTERNAL-COMBUSTION ENGINES
    • F01P2070/00—Details
    • F01P2070/02—Details using shape memory alloys
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S220/00—Receptacles
    • Y10S220/32—Radiator cap

Definitions

  • the present invention relates to one stationary nozzle, for example a motor vehicle radiator, an expansion tank of cooling or heating systems or the like. To be fastened, preferably screwed on or plug-on and rotating lid after Preamble of claim 1.
  • Such caps are, for example, at Automotive cooling systems are used, either immediately as a radiator cap or as a closure of the Expansion tank.
  • the cap is there either screwed on by means of a thread or attachable and rotatable by means of a bayonet element.
  • Sealing cap is a problem in that usually due to the high temperature in the cooling system Pressure is high. Even if at the time of parking the temperature of the engine in the cooling system is not too high after switching off the engine by a certain post-heating effect a temperature and thus a Pressure increase in the cooling system. Then immediately the cover on the cooling system is removed acute risk of scalding for the user concerned.
  • the object of the present invention is therefore a To create sealing caps of the type mentioned at the outset, which is still under excess temperature Cooling systems can not be removed, but only when the overtemperature is completely reduced and the is still built to save space.
  • the temperature-dependent control in the form of the Memory spring is in a space-saving way in the Coupling element housed.
  • the nozzle 11 has exemplary embodiments Expansion tank two concentric parts, namely outside one Internal thread part 13, which Male thread part 221, 221 ', 321, 321 ', 421, 421' of the closure cover 210, 210 ', 310, 310', 410 or 410 'screwing takes up, and an inner neck 16, in which the Valve 215, 215 ', 315, 315', 415, 415 'of the closure cover 210, 210 ', 310, 310', 410 and 410 '.
  • cap 210, 210 ', 310, 310', 410 and 410 ' it is also possible to close the cap 210, 210 ', 310, 310', 410 and 410 ' to be provided with an internal thread and / or such train that he is immediately on the stationary Neck of a motor vehicle radiator can be screwed on.
  • Essential to the closure cover according to the invention 210, 210 ', 310, 310', 410 or 410 ', that it has a temperature-dependent unscrew protection 220, 220 ', 320, 320', 420 or 420 'is provided, which ensures that the Cover 210, 210 ', 310, 310 ', 410 or 410' of the relevant fixed nozzle 11 can only be detached or unscrewed when the Expansion tank or the motor vehicle radiator or the like. has dropped to normal or ambient temperature.
  • the screw cap 214, 214 ', 314, 314', 414, 414 'of Sealing cover 210, 210 ', 310, 310 ', 410 or 410' provided with a cover plate 22, Over which, for example, a grip strip 23 runs diagonally.
  • the Screw cap 214, 214 ', 314, 314 ', 414, 414' is hollow, in the area of Handle bar 23 through the cylindrical cavity 24 through rectangular depressions 25 is extended.
  • FIGS. 1 to 4 are the screw cap 214, 214 ', 314, 314 ', 414, 414' and the external thread part or spigot 221, 221 ', 321, 321', 421, 421 'of the closure cover 210, 210 ', 310, 310', 410 and 410 'separate components and linked together in such a way that they are relative axially immovable to each other, in the circumferential direction however, are movable, and in the embodiments according to Figures 5 and 6 each in one piece Component summarized.
  • the valve is not to be described in detail because in itself known way as a combined pressure / vacuum valve trained that in on the stationary Stub 11 screwed on state of the cover 210, 210 ', 310, 310', 410 or 410 'if excessive pressure or Negative pressure opens and thus protects the cooling system.
  • the Valve housing 17 is on a front part 28 with a Provided annular groove 26, in which an O-ring 27 is inserted, the one with the screw cap fully screwed on 210, 210 ', 310, 310', 410 and 410 ' on the smooth inner surface 18 of the neck 16 of the Expansion tank rests sealingly.
  • According to the present invention is a temperature dependent control of the temperature-dependent screw-off protection 220, 220 ', 320, 320 ', 420 or 420' of Cap 210, 210 ', 310, 310', 410 or 410 ' by a memory spring 237, 237 ', 337, 337', 437 or 437 '.
  • Embodiment of the present invention is in a accessible from the inside of the screw cap 214 axial recess 258 a control pin 238 is arranged, around its rear end 256 a back pressure spring 259 and around its front end 255 the memory spring 237 is arranged.
  • the back pressure spring 259 is supported between the bottom of the axial recess 258 and one Collar 257 of the control pin 238, while the Memory spring 237 between the collar 257 and a front Abutment 254 supports.
  • Embodiment of the present invention are Back pressure spring 259 'and the memory spring 237' different places, namely in the Screw cap 214 'or in the external thread part 221'. While the back pressure spring 259 'a control pin or cam Pressed 238 ', the memory spring 237' presses on one Mating bolt 265 ', the front end 266' in turn against the front end 255 'of the control cam 238 'presses. Depending on the prevailing in the nozzle 11 Temperature is either the front end 266 ' of the counter pin 265 'or the front end 255' of the Control cam 238 'in the axial bore 253' of Male threaded part 221 '.
  • Closure cover 310 is the memory spring 337 trained temperature-dependent control element axially arranged within the valve 315.
  • an inner valve seal 365 arranged pot-like Part 371 of valve 315 is a collar 357 Connecting bolt 373 axially movable, the Connecting bolt 373 between its collar 357 and the Bottom of the pot-like part 371 from the memory spring 337 is acted upon and a covering the pot-like part Penetration 372 penetrates.
  • the implementation 372 projecting end of the axial bolt 373 is the horizontal connecting leg of a U-shaped curve Control element 338 on by a back pressure spring 359 is applied to the other side on the inner surface 24 of the screw cap 314 is supported.
  • Cap 410 is the temperature dependent Control element 437 of the temperature-dependent Unscrew protection 420 in the nozzle 11 of the concerned Container introduced, whereby it is achieved that at a predetermined high temperature value a blocking, i.e. non-rotatable connection between the screw cap 414 and the nozzle 11 of the container is reached.
  • the temperature dependent control is also through here a memory spring 437 formed, which, as in the Embodiment of Figure 1, together with a Back pressure spring 459 an inner or outer end 455, 456 of a control pin 438 surrounds.
  • the lower in Figure 5 or inner spring is the memory spring 437, which itself one end at the bottom of an axial recess 458 in Nozzle 11 and elsewhere on a collar 457 of the Control cam 438 supports.
  • the Back pressure spring 459 on one side on collar 457 and on the other on a ring insert 460 from the axial recess 458.
  • the screw cap 414 has one from the inside accessible axial blind hole or recess 453 into which the tip of the front end 455 of the Control bolt 438 for non-rotatable connection and thus Blocking of the screw cap 414 can intervene. This happens at high temperature, in which the Memory spring 437 against the action of the back pressure spring 459 stretches and the control pin 438 in the axial Blind hole 453 pushes. It is also possible here instead of a temperature-dependent control several distributed over the circumference of the nozzle 11 to provide arranged controls.
  • FIG. 6 The sixth embodiment shown in Figure 6 present invention of a closure cover 410 corresponds essentially to the embodiment of Figure 5, with the exception that the memory spring 437 'and also the back pressure spring 459 'in the nozzle 11 further below or inside towards the water surface of the concerned container are relocated. This does only an extension of the control pin 438 ' necessary.
  • Sealing cover 210, 210 ', 310, 310 ', 410 or 410' is thus either achieved that at Occurrence of a predetermined too high temperature within the nozzle 11 or reservoir No longer male threaded connector from the screw cap can be moved, in that by deforming of the temperature-dependent control element, the control plate or the temperature-dependent control element itself from the non-rotatable connection with the external thread of the Closure lid comes free, or a non-rotatable Locking between screw cap and container neck reached.
  • the lock is released.
  • the temperature-dependent control is not between Screw cap and external thread connector but between Screw cap and valve housing provided.
  • the Male thread connector with the screw cap in one piece and the valve body is inside the Expansion tank neck 11 rotatably but in arranged axially movable.
  • the function is the following: At ambient temperature it is Valve housing opposite the screw cap or Male thread connector relatively rotatable, with Unscrew the cap in axial direction Direction is taken. Join against it screwed on cover overtemperature, causes the temperature-dependent control non-rotatable connection or locking between Screw cap and valve housing, which is non-rotatable in the Stub 11 is held. So the screw cap not be twisted.
  • the measures according to the invention can also be applied to a Cap to be realized, the bayonet-type connection with a nozzle.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Closures For Containers (AREA)
  • Sealing Of Jars (AREA)
  • Connector Housings Or Holding Contact Members (AREA)

Claims (7)

  1. Bouchon (210, 310, 410) à fixer, de préférence à visser ou à emboíter et à tourner, sur un col (11) fixe par exemple d'un radiateur de véhicule, d'un réservoir de compensation de systèmes de refroidissement ou de chauffage ou similaire, avec un capuchon (214, 314, 414) fileté ou un capuchon enfichable et rotatif et un élément d'engrènement (221, 321, 421), susceptible d'être tourné par rapport audit capuchon, à l'intérieur duquel une soupape (215, 315, 415) réalisée de préférence en combinaison surpression/dépression est disposée de façon concentrique et pivotante par rapport au capuchon, la soupape présentant un élément étanche (27) qui, lorsqu'on applique le bouchon, vient en liaison étanche avec un goulot intérieur du col (11) fixe, dans lequel un élément de commande asservi à la température (237, 337, 437) permet de garantir que le bouchon (210, 310, 410) en position sur le col (11) fixe ne peut être enlevé, de préférence dévissé ou tourné, dans lequel un élément de couplage (238, 338, 438) est susceptible d'être déplacé de manière sensiblement axiale au moyen dudit élément de commande asservi à la température, caractérisé en ce que ledit élément de commande asservi à la température, avec lequel il est possible d'obtenir, à température normale, une solidarisation en rotation du capuchon et de l'élément d'engrènement et, à température élevée, une désolidarisation de ces derniers, est formé par un ressort à mémoire de forme (237, 337, 437) et coopère, comme élément de couplage, avec un axe de commande (238, 338, 438) soumis à la pression d'un ressort de rappel (259, 359, 459), lequel axe présente un collet (257, 357, 457), le ressort à mémoire de forme (237, 337, 437) s'appuyant entre ledit collet et une butée, et en ce que le ressort à mémoire de forme (237, 437) est excentré et agencé dans une cavité axiale du capuchon (214) ou dans l'élément d'engrènement (421) et en ce que l'axe de commande (238, 438) entraíne directement un couplage ou découplage du capuchon (214, 414) et de l'élément d'engrènement (221, 421) ou en ce que le ressort à mémoire de forme (337) est centré et en ce que, au-dessus de l'élément d'engrènement (321), sur l'extrémité orientée vers le capuchon (314) de l'axe de commande, repose une branche de liaison horizontale d'un élément de couplage en U (338) soumise à la pression d'un ressort de rappel (359) dont l'autre extrémité s'appuie sur la surface intérieure du capuchon (314), de telle sorte que les branches de liaison latérales verticales (375, 376) sont en débordement vers le bas en direction de l'élément d'engrènement (321) et, à température normale, s'engagent dans des cavités axiales (353) de l'élément d'engrènement (321) pour donner une liaison bloquée en rotation.
  2. Ensemble bouchon selon la revendication 1, caractérisé en ce que plusieurs ressorts à mémoire de forme (237, 437) sont agencés avec des axes de commande (238, 438) soumis à la pression de ressorts de rappel (259, 459) dans une région excentrée du bouchon (220, 420).
  3. Ensemble bouchon selon la revendication 1 ou 2, caractérisé en ce que les ressorts à mémoire de forme (237, 437) tout comme les ressorts de rappel (259, 459) sont logés dans le capuchon (214) ou dans le col (11).
  4. Ensemble bouchon selon la revendication 1 ou 2, caractérisé en ce que le ressort à mémoire de forme (237') et le ressort de rappel (259') sont logés indépendamment l'un de l'autre, respectivement dans le capuchon (214') et dans l'élément à filetage extérieur (221').
  5. Ensemble bouchon selon la revendication 3, caractérisé en ce que le ressort à mémoire de forme (437, 437') est agencé à proximité ou au niveau de la surface du liquide dans le réservoir ou dans le col (11) du réservoir.
  6. Ensemble bouchon selon la revendication 1, caractérisé en ce que le ressort à mémoire de forme (337, 337') est agencé à l'intérieur de la soupape (15) et coopère avec la plaque de commande (338, 338') via un axe de liaison (373, 373').
  7. Ensemble bouchon selon l'une quelconque au moins des revendications précédentes, caractérisé en ce que l'axe de commande (238) ou un doigt de commande axial (376) de l'élément de couplage (338) coopère avec une cavité axiale (253, 353) dans l'élément à filetage extérieur.
EP95923217A 1994-06-01 1995-05-31 Ensemble bouchon fixable sur le col d'un reservoir Expired - Lifetime EP0760789B1 (fr)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE4419096 1994-06-01
DE4419096 1994-06-01
DE4422292A DE4422292A1 (de) 1994-06-01 1994-06-25 Auf einem Behälterstutzen befestigbarer Verschlußdeckel
DE4422292 1994-06-25
PCT/EP1995/002074 WO1995032904A1 (fr) 1994-06-01 1995-05-31 Ensemble bouchon fixable sur le col d'un reservoir

Publications (2)

Publication Number Publication Date
EP0760789A1 EP0760789A1 (fr) 1997-03-12
EP0760789B1 true EP0760789B1 (fr) 1998-08-26

Family

ID=25937062

Family Applications (1)

Application Number Title Priority Date Filing Date
EP95923217A Expired - Lifetime EP0760789B1 (fr) 1994-06-01 1995-05-31 Ensemble bouchon fixable sur le col d'un reservoir

Country Status (7)

Country Link
US (1) US6378717B1 (fr)
EP (1) EP0760789B1 (fr)
AT (1) ATE170151T1 (fr)
BR (1) BR9507812A (fr)
CA (1) CA2191607A1 (fr)
ES (1) ES2121626T3 (fr)
WO (1) WO1995032904A1 (fr)

Cited By (1)

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Publication number Priority date Publication date Assignee Title
DE10164669A1 (de) * 2001-12-22 2003-07-03 Reutter Heinrich Abschraubsicherungsvorrichtung für Behälter

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DE19753597A1 (de) 1997-12-03 1999-06-24 Heinrich Reutter Verschlußdeckel für Kraftfahrzeugkühler
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DE10034761A1 (de) * 2000-03-31 2002-01-31 Heinrich Reutter Verschlussdeckel
DE10035729A1 (de) * 2000-07-22 2002-01-31 Heinrich Reutter Verschlussdeckel mit Verdrehsicherung
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DE10132661A1 (de) * 2001-07-05 2003-01-16 Heinrich Reutter Verschlussdeckel mit Abschraubsicherung
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CN102619612B (zh) * 2012-04-26 2016-02-03 重庆长安汽车股份有限公司 一种发动机冷却系统的蓄水瓶瓶盖
KR101628609B1 (ko) * 2015-03-13 2016-06-08 현대자동차주식회사 가압식 냉각수 리저버 탱크에 결합되는 화상방지커버를 구비한 가압식 냉각수 리저버 탱크 어셈블리
CN106894883B (zh) * 2017-02-28 2019-02-19 安徽江淮汽车集团股份有限公司 一种膨胀水壶及处理方法
US10060331B1 (en) 2017-02-28 2018-08-28 William Ocasio Temperature indicating cap assembly
CN111532608B (zh) * 2020-04-24 2022-02-15 许凯 一种集成式易燃、易挥发化学试剂的安全储存装置

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE10164669A1 (de) * 2001-12-22 2003-07-03 Reutter Heinrich Abschraubsicherungsvorrichtung für Behälter
WO2003056155A1 (fr) 2001-12-22 2003-07-10 Heinrich Reutter Dispositif anti-devissage destine a des contenants

Also Published As

Publication number Publication date
BR9507812A (pt) 1997-09-16
ATE170151T1 (de) 1998-09-15
CA2191607A1 (fr) 1995-12-07
ES2121626T3 (es) 1998-12-01
EP0760789A1 (fr) 1997-03-12
WO1995032904A1 (fr) 1995-12-07
US6378717B1 (en) 2002-04-30

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