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WO2002095200A1 - Couvercle de fermeture pour radiateur d'automobile - Google Patents

Couvercle de fermeture pour radiateur d'automobile Download PDF

Info

Publication number
WO2002095200A1
WO2002095200A1 PCT/EP2002/005502 EP0205502W WO02095200A1 WO 2002095200 A1 WO2002095200 A1 WO 2002095200A1 EP 0205502 W EP0205502 W EP 0205502W WO 02095200 A1 WO02095200 A1 WO 02095200A1
Authority
WO
WIPO (PCT)
Prior art keywords
actuator
closure
cover
container
valve body
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/EP2002/005502
Other languages
German (de)
English (en)
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
Application filed by Individual filed Critical Individual
Priority to US10/468,401 priority Critical patent/US20040074906A1/en
Priority to EP02750946A priority patent/EP1389269B1/fr
Priority to DE50210815T priority patent/DE50210815D1/de
Publication of WO2002095200A1 publication Critical patent/WO2002095200A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • F01P11/0238—Closure caps with overpressure valves or vent valves
    • F01P2011/0242—Closure caps with overpressure valves or vent valves setting the pressure valve
    • 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
    • F01P2011/0266—Safety; Locking against opening activated by pressure
    • 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
    • F01P2025/00—Measuring
    • F01P2025/04—Pressure
    • 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
    • F01P2025/00—Measuring
    • F01P2025/08—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
    • F01P2070/04—Details using electrical heating elements

Definitions

  • the present invention relates to a closure cover for a stationary neck of a container, in particular a motor vehicle radiator, according to the preamble of claim 1.
  • the anti-rotation device between the closure element and the grip element is formed by an axial coupling bolt, which is acted upon by a temperature-dependent spring arrangement, while the preload of the reciprocating valve body of the valve arrangement can be adjusted mechanically or electromotively in a pressure-controlled manner.
  • the disadvantage of this is that the safety-relevant functions in such closure covers are carried out by two differently designed and also differently controlled components. This not only results in complex design measures, but also brings with it the problem that the safety-relevant functions which respond to different reference variables are very difficult to coordinate with one another.
  • the measures according to the invention ensure that a single component is provided both for securing against rotation and for changing the overpressure reduction, which leads to a design simplification of the closure cover and to the fact that, due to the single reference variable used, the latter always carries out the safety-relevant functions are coordinated.
  • a structurally simple configuration results from the features according to claim 4, which also has the advantage that the reference variable, such as temperature or pressure in the container, can be appropriately removed independently of the actuator.
  • An advantageous heat transfer from the heating resistor to the actuator results from the features of claim 5.
  • Show it: 1 shows a schematic longitudinal section of a closure cover for a motor vehicle radiator according to a preferred exemplary embodiment of the present invention in a first rest or starting position
  • FIG. 2 shows a representation corresponding to FIG. 1 in the left half section and in a second active position in the right half section
  • FIG. 3 shows a representation corresponding to FIG. 1 in the left half section and in a third active position in the right half section.
  • the closure cover 10 shown in the drawing in accordance with a preferred exemplary embodiment has an overpressure valve arrangement 11 within a cylindrical inner part 14 and an anti-rotation device 20 between an outer part 12 and a handle or grip part 13, which has an external thread part 17 for screwing the closure cover 10 on and off serves from the opening of a neck of a motor vehicle cooler or other container, not shown, both the pressure relief valve arrangement 11 and the anti-rotation device 20 being controlled in such a way that on the one hand the opening pressure of the pressure relief valve arrangement 11 and on the other hand the releasing and locking movement of the anti-rotation device 20 by means of of a single electrothermal drive 15 can be set or ensured.
  • the pressure relief valve arrangement 11 can be set to an opening pressure that takes into account the motor vehicle radiator pressure during normal operation and to such an opening pressure that corresponds to the higher motor vehicle radiator pressure that occurs when the motor vehicle engine is switched off due to the accumulated heat build-up results, corresponds.
  • the setting of the anti-rotation device 20, at normal pressure of the motor vehicle radiator, that is to say when the coolant has cooled, means that the anti-rotation device 20 causes a rotation lock between the grip part 13 and the outer part 12, so that the closure cover 10 can be screwed on and off while
  • the anti-twist device releases the rotational connection between the outer part 12 and the grip part 13, so that the grip part 13 rotates empty relative to the outer part 12 in order to prevent the closure cover 10 from being unscrewed.
  • the inner part 14 can be inserted in a sealing manner into the connecting piece of the motor vehicle radiator or other container via a 0-ring 16 in a manner not shown. It goes without saying that the outer part 12 can also be provided with a bayonet fitting part instead of with an external thread part 17.
  • the cylindrical inner part 14 of the cover 10, which is equipped with the pressure relief valve arrangement 11, has a bottom 18 and above the bottom an inwardly projecting ring rim 19, the upper area of which is provided with a sealing seat 21 for a valve body 22 of the pressure relief valve arrangement 11.
  • the valve body 22 is a centrally hat-shaped part, on the circumferential flange 24 of which a sealing disk 26 rests, which is acted upon by a compression spring 28 or pressure relief valve spring, which is supported at the other end on a pressure sleeve 29, which in an axial stop 34 for the Guide sleeve 31 having pressure sleeve 29 is guided so that it can be moved up and down axially and bears against an adjusting ring 30 bearing against drive 15.
  • Openings 32 are provided in the motor vehicle cooler or container between the base 18 and the inner part 14.
  • the inner part 14 has the outer circumference and the smaller-diameter guide part s 3 * 3 P- ⁇ > o. er OJ er ⁇ JO ⁇ W ⁇ ⁇ O 3: ⁇ OJ eu ⁇ OJ ⁇ H ⁇ ⁇ - OJ ⁇ - er 3 CD CD P- 3 ⁇ - ⁇ 3 ⁇ ⁇ O 3 er et 3 3 H ⁇ li er er 3 er r ⁇ J 3 3 ⁇ ⁇ 3 et CD P- C ⁇ H 3 P ⁇ C ⁇ ⁇ ⁇ - H et ⁇ ⁇ ⁇ C ⁇ OJ 3 ⁇ ⁇ li ⁇ ⁇ ri- 3 3 3 3 3 3 3 3
  • CD CD Hl 3 3 ⁇ ⁇ Hi C ⁇ o et ⁇ - ⁇ ⁇ ⁇ Q 3 D -v r + D3 Hi
  • CD CD CD CD s 3 ⁇ > ⁇ ⁇ 3 rt "3 3 ⁇ 3 OJ ⁇ - P 3 ⁇ ⁇ ⁇ -i 3
  • a compression spring 49 which is supported at the other end on the handle part 13 and is guided in a ring projection 50 of the handle part 13 which produces the positive connection to the driving bracket.
  • a holding washer 51 is held in a sealing manner on the externally threaded part 17; the holding disc 5 serves as an end stop for the driving bracket 46 in its disengaged position.
  • the electrothermal drive 15 is formed by a sorption actuator, preferably a metal hydride actuator, or an expansion actuator, which is shown in the drawing as a membrane capsule 55.
  • the actuator 55 has the property of expanding when the temperature rises and returning to its original dimension when the corresponding temperature is reduced.
  • a heating resistor in the form of a PTC heating element 56 is arranged at one or more locations on the underside of the membrane capsule 55. This PTC heating element 56 is arranged such that heat transfer from the PTC heating element 56 to the membrane capsule 55 is as lossy as possible.
  • the membrane capsule 55 is preferably designed such that its axially central region extends axially to the grip part 13 or axially to the adjusting ring 30 or pressure sleeve 29.
  • the PTC heating resistor 56 is electrically connected in a manner not shown to an electrical control 57, which is accommodated on a circuit board 58 which, in the exemplary embodiment shown, can be accommodated in the handle part 13 directly below its cover.
  • a socket 61 is fastened to a peripheral region of the external thread part 17 of the closure cover 10, the contacts (not shown) of which are electrically connected to the control board 58.
  • the socket 61 is an adapter cable connected that the electrical connection of the control board 58 and thus the drive 15 connects to the relevant control elements of the motor vehicle.
  • the control of the drive 15 is effected by means of a temperature and / or pressure sensor, which sensor detects the temperature and / or the pressure on the motor vehicle cooler container or the like.
  • the safety-relevant functions of the cover 10 inform the setting of the pressure relief valve assembly 11 and the setting of the anti-rotation device 20 is as follows:
  • the membrane capsule 55 In the starting position when the engine is not running and cold according to FIG. 1, the membrane capsule 55 is in its retracted normal position, in which the driving bracket 46 is pressed into a rotational position by the compression spring 49 into a rotational connection between the handle part 13 and the external thread part 17.
  • the pressure relief valve arrangement 11 is also in its initial position, i.e. the pressure relief valve body 22 is pressed against the sealing seat by the compression spring 28, which is preloaded normally or in terms of installation, in such a way that the pressure relief valve body 22 will open at an excess pressure of approximately 1.4 bar.
  • the coolant in the radiator heats up. If the coolant reaches a temperature of greater than, for example, about 89 ° C., the controller 57 becomes active on the circuit board 58, ie current is supplied to the PTC heating element 56 to heat it, or the PTC heating element is energized. Thus, heat is transferred from the PCT heating element 56 to the membrane capsule 55, so that the actuator is actuated and the membrane capsule 55 expands axially.
  • the two compression springs 28 of the pressure relief valve arrangement 11 and 49 of the anti-rotation device 20, which are directed towards one another and act on the membrane capsule 55 are set such that the compression spring 49 contains a lower spring force than the compression spring 28.
  • the membrane capsule 55 expands against the pressure of the compression spring 49 of the anti-rotation device 20 and thus moves the driving bracket 46 axially up to the stop of the retaining disk 51.
  • the driving bracket 46 thus disengages from the external thread part 17, so that it is no longer possible to open the closure cover 10 because the grip part 13 rotates hollowly with respect to the external thread part 17.
  • the opening pressure of the pressure relief valve arrangement 11 remains in the previous position.
  • the coolant temperature rises to, for example, over 120 ° C. due to the after-heating effect.
  • This activates a second control stage in the controller 57 on the circuit board 58, so that an increased voltage is applied to the PTC heating element 56 or a higher current flow is brought about.
  • the driving bracket 46 is pressed against the action of the compression spring 49 against the stop of the holding disc 51 (FIG. 2, right half-section), it is achieved according to the right half-section of FIG. 3 that the compression spring 28 of the pressure relief valve arrangement 11 is further pretensioned.
  • This prestressing of the compression spring 28 has the effect that the opening pressure of the pressure relief valve body 22 is increased to, for example, approximately 2.0 bar.
  • This security level remains until the coolant temperature has decreased, which has an effect on the control of the PTC heating element 56 and on the heating or cooling of the membrane capsule 55.
  • the controller 57 is physically inform of the board 58 in the handle part 13.
  • the control board 58 is in the plug socket 61 or in one Plug part of the adapter cable is provided either near the cover 10 or near the motor vehicle connection.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Closures For Containers (AREA)
  • Lock And Its Accessories (AREA)
  • Safety Valves (AREA)

Abstract

L'invention concerne un couvercle de fermeture (10) pour une tubulure fixe d'un radiateur d'automobile, comprenant une partie extérieure de couvercle (12) qui présente un élément de fermeture (17) pouvant être relié à une tubulure de récipient et un élément de préhension (13) maintenu rotatif par rapport audit élément de fermeture, et entre lesquels se trouve une protection antirotation (13). L'invention vise à permettre, pour ce type de couvercle de fermeture un déroulement des fonctions relevant de la sécurité de la protection antirotation et de la réduction de la surpression, qui soit simple en termes de structure et à ajustement mutuel. A cet effet, il est prévu un mécanisme de réglage (15) destiné aussi bien à enclencher et à désaccoupler dans le sens axial la pièce rapportée d'accouplement (46) de la protection antirotation (20), qu'à ajuster la précontrainte avec laquelle le corps de soupape (22) du système de soupape (11) est comprimé contre le siège d'étanchéité (21).
PCT/EP2002/005502 2001-05-23 2002-05-17 Couvercle de fermeture pour radiateur d'automobile Ceased WO2002095200A1 (fr)

Priority Applications (3)

Application Number Priority Date Filing Date Title
US10/468,401 US20040074906A1 (en) 2001-05-23 2002-05-17 Closure cp for a motor vehicle radiator
EP02750946A EP1389269B1 (fr) 2001-05-23 2002-05-17 Couvercle de fermeture pour radiateur d'automobile
DE50210815T DE50210815D1 (de) 2001-05-23 2002-05-17 Verschlussdeckel für kraftfahrzeugkühler

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE20108735.9 2001-05-23
DE20108735U DE20108735U1 (de) 2001-05-23 2001-05-23 Verschlussdeckel für Kraftfahrzeugkühler

Publications (1)

Publication Number Publication Date
WO2002095200A1 true WO2002095200A1 (fr) 2002-11-28

Family

ID=7957302

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2002/005502 Ceased WO2002095200A1 (fr) 2001-05-23 2002-05-17 Couvercle de fermeture pour radiateur d'automobile

Country Status (4)

Country Link
US (1) US20040074906A1 (fr)
EP (1) EP1389269B1 (fr)
DE (2) DE20108735U1 (fr)
WO (1) WO2002095200A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9027552B2 (en) 2012-07-31 2015-05-12 Covidien Lp Ventilator-initiated prompt or setting regarding detection of asynchrony during ventilation
US9030304B2 (en) 2010-05-07 2015-05-12 Covidien Lp Ventilator-initiated prompt regarding auto-peep detection during ventilation of non-triggering patient
US9038633B2 (en) 2011-03-02 2015-05-26 Covidien Lp Ventilator-initiated prompt regarding high delivered tidal volume

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE20211232U1 (de) * 2002-07-18 2003-11-20 Reutter, Heinrich, 71336 Waiblingen Verschlussdeckel
US12479638B2 (en) * 2022-08-11 2025-11-25 Illinois Tool Works Inc. Cap assembly and bottle assembly

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19753597A1 (de) 1997-12-03 1999-06-24 Heinrich Reutter Verschlußdeckel für Kraftfahrzeugkühler
DE19923775A1 (de) * 1999-05-22 2000-11-23 Heinrich Reutter Verschlußdeckel für Kraftfahrzeugkühler

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3047235A (en) * 1959-04-15 1962-07-31 Gen Motors Corp Thermosensitive radiator caps
US3121315A (en) * 1961-11-21 1964-02-18 Controls Co Of America Bimetal operated poppet valve
US5248052A (en) * 1992-07-31 1993-09-28 Mellinger Larry L Apparatus for automatically releasing the super-atmospheric pressure of an engine cooling system in response to turning off the engine and preventing the buildup of pressure while the engine is off
ATE170151T1 (de) * 1994-06-01 1998-09-15 Heinrich Reutter Auf einem behälterstutzen befestigbarer verschlussdeckel
CA2288582A1 (fr) * 1998-11-06 2000-05-06 Stant Manufacturing Inc. Soupape de surete pour systeme de refroidissement a thermoregulation
DE19923774A1 (de) * 1999-05-22 2000-11-23 Heinrich Reutter Verschlußdeckel für Kraftfahrzeugkühler
DE10048792B4 (de) * 2000-10-02 2016-02-18 Mahle International Gmbh Thermostatventil

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19753597A1 (de) 1997-12-03 1999-06-24 Heinrich Reutter Verschlußdeckel für Kraftfahrzeugkühler
DE19923775A1 (de) * 1999-05-22 2000-11-23 Heinrich Reutter Verschlußdeckel für Kraftfahrzeugkühler

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9030304B2 (en) 2010-05-07 2015-05-12 Covidien Lp Ventilator-initiated prompt regarding auto-peep detection during ventilation of non-triggering patient
US9038633B2 (en) 2011-03-02 2015-05-26 Covidien Lp Ventilator-initiated prompt regarding high delivered tidal volume
US9027552B2 (en) 2012-07-31 2015-05-12 Covidien Lp Ventilator-initiated prompt or setting regarding detection of asynchrony during ventilation

Also Published As

Publication number Publication date
US20040074906A1 (en) 2004-04-22
EP1389269B1 (fr) 2007-08-29
DE20108735U1 (de) 2002-10-02
DE50210815D1 (de) 2007-10-11
EP1389269A1 (fr) 2004-02-18

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