EP1036261A1 - Verschlussdeckel - Google Patents
VerschlussdeckelInfo
- Publication number
- EP1036261A1 EP1036261A1 EP98963510A EP98963510A EP1036261A1 EP 1036261 A1 EP1036261 A1 EP 1036261A1 EP 98963510 A EP98963510 A EP 98963510A EP 98963510 A EP98963510 A EP 98963510A EP 1036261 A1 EP1036261 A1 EP 1036261A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- container
- valve body
- valve
- sealing seat
- component
- 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.)
- Granted
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
- F01P11/0238—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
- F01P2011/0266—Safety; Locking against opening activated by pressure
-
- 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 invention relates to a closure cover for openings on containers, in particular on motor vehicle radiators, according to the preamble of claim 1.
- a valve cup with a flange extending radially outwards is used as the first valve body and a cylindrical sleeve concentrically surrounding the valve cup is used as the second valve body, which also has a radially outwardly projecting Flange is provided.
- the flange attached to it is shaped like a bead to form a bead.
- the cylindrical sleeve which is also acted upon in this way in the direction of the interior of the container, is also mounted with its flange on a sealing seat of the inner lid part with the interposition of a sealing ring.
- Another sealing ring connected to the inner cover part lies opposite the flange of the cylindrical sleeve in the starting blocking position of the valve arrangement at a distance in the direction of the container exterior.
- the object of the present invention is to simplify the construction of such a closure cover. According to the invention, the features specified in claim 1 are provided to achieve this object.
- the described component which is provided with an opening, represents a valve body of the simplest structural design. With appropriate training, in particular with an appropriate choice of material, this results in no problem, i. H. without additional sealant, a tight support of the first valve body on the component forming the second valve body.
- the use of such a component as a second valve body also opens up the possibility, through direct interaction of the second valve body and the third sealing seat, to accomplish the above-mentioned blocking of the flow connection between the container interior and the container exterior.
- the component can advantageously be designed either as a radially guided molded seal according to the features of claim 2 or as a membrane deformable in the direction of movement according to the features of claim 4.
- a preferred embodiment of the closure cover according to the invention is characterized by the features according to Claim 8 from.
- the features according to claim 10 ensure that the second valve body and thus the entire valve arrangement function in a uniformly safe manner.
- valve part body in contact with the component accordingly takes on a double function. It ensures a tight connection between the first and second valve bodies, both when reducing the excess pressure inside the container and when equalizing a corresponding negative pressure.
- the spring by means of which the diaphragm is pressed against the first valve body, also takes over a double function if the features according to claim 13 are advantageously provided. On the one hand, the spring ensures a tight contact of the membrane with the first valve body; on the other hand, it creates a density Installation of the first on the second valve body.
- Fig. 1 a cover for a
- FIG. 2 shows the closure cover with valve arrangement according to FIG. 1 after a first limit value for an overpressure in the interior of the cooler has been exceeded;
- FIG. 3 shows the closure cover with the valve arrangement according to FIG. 1 at a second limit value for an overpressure in the interior of the cooler
- FIG. 4 shows the closure cover with valve arrangement according to FIG. 1 after a safety limit value for an overpressure in the interior of the cooler has been exceeded;
- FIG. 5 shows the closure cover with valve arrangement according to FIG. 1 with a negative pressure in the interior of the cooler
- Fig. 6 shows a second embodiment of a closure cover for a motor vehicle radiator with an overpressure / underpressure valve arrangement in the starting blocking position analogous to FIG. 1, and
- Fig. 7 shows a third embodiment of a cover for a motor vehicle radiator with a two-stage overpressure valve arrangement in the initial blocking position analogous to FIG. 1.
- a cover 1 for a motor vehicle radiator according to the first comprises
- Embodiment an outer cover part 3 provided with an actuating handle 2, on which an inner cover part 4 is held with a valve arrangement 5.
- the cover 1 In the position of use, the cover 1 is fixed to a radiator neck.
- the inner cover part 4 protrudes in the direction of the interior of the radiator into the radiator nozzle.
- An O-ring 6 seals the inner cover part 4 against the radiator nozzle wall.
- the valve arrangement 5 in the interior of the inner lid part 4 comprises a first valve body 7 and a second valve body in the form of a membrane 8.
- the first valve body 7 consists of two valve body parts, namely a first valve body part designed as a valve disk 9 and a second valve body part in the form of a valve cover 10.
- valve plate 9 is acted upon on its upper side by a closing spring 11 which is supported on the inner cover part 4 with its end remote from the valve plate 9.
- the valve plate 9 is biased in the direction of the interior of the radiator by means of the closing spring 11. It is mounted on a first sealing seat 13 on the inner cover part 4 via a flat sealing ring 12 and covers the valve cover 10 with an opening 30 which is connected to the radiator exterior.
- the valve cover 10 is supported on a second sealing seat 14 on the upper side of the membrane 8 and overlaps a central membrane opening 15 provided on the latter.
- the membrane 8 rests on a flange 16 of a guide sleeve 17.
- the guide sleeve 17 is formed with a stepped diameter and has a membrane opening 15 penetrating axial section 18 of smaller diameter and an axial section 19 of larger diameter connected thereto via the flange 16.
- a radial locking projection 20 on the axial section 18 of the guide sleeve 17 secures the latter on the membrane 8 in the axial direction.
- the valve cover 10 lies tightly against the underside of the flat sealing ring 12 which faces the interior of the cooler.
- a guide sleeve 23 slotted in the axial direction on the bottom 22 of the inner cover part 4 ensures a defined movement of the guide sleeve 17 in the axial direction.
- the membrane 8 is clamped at its radially outer edge on the inner cover part 4 and can be moved or deformed in the direction of a double arrow 24, which represents the direction of movement of the valve bodies 7, 8.
- the membrane 8 is designed as a rubber ring membrane and is provided with an expansion fold 25 which is effective in the radial direction of the membrane 8 and the fold ridge of which runs concentrically with the vertical membrane axis.
- the membrane 8 is assigned a third sealing seat 26 towards the cooler exterior.
- this like the first sealing seat 13, is formed directly by a projection of the inner cover part 4.
- Bypass channels 27 in the inner cover part 4 are guided around the clamped edge of the membrane 8.
- the sectional planes in FIGS. 1 to 5 are placed in such a way that they cover two of these bypass channels 27.
- the bypass channels 27 are in the radial direction outer edge of the membrane 8 spaced apart.
- a bottom opening 28 in the bottom 22 of the inner cover part 4 creates a flow connection between the inside of the cooler and the valve arrangement 5.
- a radial outlet 29 adjacent to the valve plate 9 opens out to the outside of the cooler.
- the initial blocking position shown in FIG. 1 assumes the valve arrangement 5 when the internal cooler pressure moves between a negative pressure limit value and a first positive pressure limit value.
- Such pressure conditions prevail, for example, when the vehicle is parked for a long period of time or when the vehicle is in operation and the cooling fluid in the interior of the cooler is adequately cooled by the wind and / or with fan support. 1 there is no flow connection between the interior of the cooler and the exterior of the cooler via the valve arrangement 5.
- valve assembly 5 flows through the cooler through the bottom opening 28 of the inner cover part 4 and fills all the free spaces upstream of the valve plate 9.
- cooler content flows through the bypass channels 27 around the membrane 8 into the downstream part of the valve arrangement 5, as seen from the membrane 8.
- valve plate 9 If the cooler internal pressure exceeds a first overpressure limit value, the valve plate 9 is counteracted by the cooler content against the action of the closing spring 11 first sealing seat 13 lifted off on the inner cover part 4.
- the valve arrangement 5 is then in the operating state according to FIG. 2, in which the cooler content through the bottom opening 28, the slot openings of the slotted guide socket 23, the bypass channels 27, the space between the membrane 8 and the third sealing seat 26, which is located thereon in the flow direction Subsequent space between the valve cover 10 and the inner wall of the inner cover part 4 and the space between the first sealing seat 13 and the flat sealing ring 12 and finally flows out through the radial outlet 29 to the radiator.
- the valve cover 10 meanwhile, sits tightly on the upper side of the membrane 8 with the second sealing seat 14.
- the amount of cooler content flowing out of the cooler interior is defined by the bypass channels 27 or by their fault cross section.
- the membrane 8 moves or deforms until, at a second limit value for the overpressure in the interior of the cooler, it comes into sealing contact with the third sealing seat 26 of the inner cover part 4. In this position, the membrane 8 blocks the malfunction connection that previously existed via the bypass channels 27 between the inside of the cooler and the outside of the cooler.
- the membrane 8 is guided by means of the guide sleeve 17 on the guide stub 23 in the direction of movement or deformation.
- the interior of the cooler is again sealed against the exterior of the cooler. Blocking the flow connection between the inside of the cooler and the outside of the cooler prevents the cooler from boiling dry.
- valve cover 10 becomes active under the effect of the interior cooler pressure 3 raised from the membrane 8 supported on the third sealing seat 26 in the direction of the cooler exterior.
- the then occurring operating state of the valve arrangement 5 can be seen in FIG. 4. Accordingly, cooler flows through the bottom opening 28, the interior of the guide sleeve 17, the space remaining between the second sealing seat 14 on the valve cover 10 and the top of the membrane 8, and the space between the axially parallel wall of the valve cover 10 and the inner wall of the inner cover part opposite this 4 and finally between the first sealing seat 13 and the underside of the flat sealing ring 12 of the valve plate 9 through to the radial outlet 29 and through this to the cooler.
- valve arrangement 5 changes from its operating state according to FIG. 4 to the previously explained operating states according to FIGS. 3 and 2, until it finally returns to its initial blocking position according to FIG. 1.
- the valve hood 10 is lifted from the underside of the flat sealing ring 12 of the valve plate 9 toward the interior of the cooler.
- the valve disk 9 is supported, by means of the closing spring 11, via the flat sealing ring 12 on the first sealing seat 13 of the inner cover part 4.
- the valve cover 10 is seated with the second sealing seat 14 tightly on the top of the membrane 8 and is lowered together with the latter against the action of the suspension spring 21 towards the interior of the cooler.
- the membrane 8 is also guided by means of the guide sleeve 17 and the guide connector 23 interacting therewith.
- the expansion fold 25 provides in both Movement or deformation directions of the membrane 8 for their safe functional behavior.
- the second exemplary embodiment shown in FIG. 6 differs from the first exemplary embodiment shown in FIGS. 1 to 5 essentially by the configuration of the second valve body 208.
- This second valve body is formed by a molded seal 208 which is integral with the flange 216.
- the molded seal 208, 216 designed in this way has a certain Shore A hardness, so that it can serve and act directly for sealing against the second sealing seat 214 on the valve cover 210 and against the third sealing seat 226 of the inner cover part 204.
- the molded seal 208 or the flange 216 has an axial section 219 which faces the bottom 222 of the inner cover part 204 and, as in the first exemplary embodiment, is guided radially on the guide connection 223 projecting from the bottom 220 for axial movement.
- an axial section 218 is provided which plunges into an annular groove of the inner cover part 204, which is formed by an outer peripheral region and the inner annular region of the inner cover part 204 forming the third sealing seat 226.
- This axial section 218 serves as a baffle or constriction of the flow passage from the bottom opening 228 to the underside of the valve plate 209 with the initial blocking position shown in FIG. 6. Since the molded seal 208 is not connected to the inner cover part 204 like the membrane 8, a corresponding bypass channel in the inner cover part is not necessary.
- the further structure and in particular also the additional overpressure / underpressure function is the same as in the first embodiment of FIGS. 1 to 5, so that reference can be made to this description.
- FIG. 7 shows an inner cover part 104 of a closure cover 101, which is also intended for use on a motor vehicle radiator, but which makes use of a valve arrangement 105, by means of which only an overpressure m prevailing in the interior of the radiator is achieved Allow the manner described above to dismantle in two stages. Precautions to compensate for a negative pressure prevailing in the interior of the cooler have not been taken in the embodiment according to FIG. 7.
- a one-piece first valve body 107 is provided on the closure cover 101.
- a two-part design of the first valve body 107 with two valve bodies, as is realized in the exemplary embodiment according to FIGS. 1 to 5, can be dispensed with once the vacuum function has ceased to exist.
- closure cover 101 according to FIG. 7 corresponds identically to the closure cover 1 in FIGS.
- a second valve body in the form of a membrane 108 is also used on the closure cover 101.
- the latter like other components of the overall arrangement, is only partially shown in FIG. 7. It goes without saying that this third exemplary embodiment according to FIG. 7 can also be modified with regard to the configuration of the second valve body 208 of the previously described second exemplary embodiment according to FIG. 6.
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Closures For Containers (AREA)
- Safety Valves (AREA)
Abstract
Description
Claims
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19753592 | 1997-12-03 | ||
DE19753592A DE19753592A1 (de) | 1997-12-03 | 1997-12-03 | Verschlußdeckel |
PCT/EP1998/007590 WO1999028605A1 (de) | 1997-12-03 | 1998-11-25 | Verschlussdeckel |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1036261A1 true EP1036261A1 (de) | 2000-09-20 |
EP1036261B1 EP1036261B1 (de) | 2003-02-26 |
Family
ID=7850593
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP98963510A Expired - Lifetime EP1036261B1 (de) | 1997-12-03 | 1998-11-25 | Verschlussdeckel |
Country Status (4)
Country | Link |
---|---|
US (1) | US6367644B1 (de) |
EP (1) | EP1036261B1 (de) |
DE (2) | DE19753592A1 (de) |
WO (1) | WO1999028605A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE19924504A1 (de) * | 1999-05-28 | 2000-11-30 | Heinrich Reutter | Verschlussdeckel |
DE10034762A1 (de) * | 2000-03-13 | 2002-01-31 | Heinrich Reutter | Verschlussdeckel |
DE10034761A1 (de) | 2000-03-31 | 2002-01-31 | Heinrich Reutter | Verschlussdeckel |
DE10015563A1 (de) * | 2000-03-31 | 2001-10-04 | Heinrich Reutter | Verschlussdeckel |
DE20211232U1 (de) * | 2002-07-18 | 2003-11-20 | Reutter, Heinrich, 71336 Waiblingen | Verschlussdeckel |
JP4380472B2 (ja) | 2004-08-30 | 2009-12-09 | 豊田合成株式会社 | 燃料キャップ |
DE102007043033A1 (de) * | 2007-09-11 | 2009-03-12 | Magna Steyr Fuel Systems Gmbh | Verschlussdeckel für unter Innendruck stehende Behälter mit Sicherheitsfunktion und Verschlussdeckel für einen Treibstofftank |
DE102011078293B4 (de) * | 2011-06-29 | 2017-06-29 | Röchling Automotive AG & Co. KG | Ausgleichsbehälter mit einem Flüssigkeitssperrventilkörper und einem relativ zu diesem beweglich an diesem aufgenommenen Gasunterdruckventilkörper sowie eine solche Ventilstruktur tragender Deckel für einen Ausgleichsbehälter |
Family Cites Families (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2732971A (en) * | 1956-01-31 | Radiator caps | ||
DE871227C (de) * | 1950-11-28 | 1953-03-19 | Manfred Dipl-Ing Behr | Kuehlerverschluss mit eingebautem UEber- und Unterdruckventil |
US3203445A (en) * | 1963-09-12 | 1965-08-31 | Dole Valve Co | Combination vent cap and valve for automobile radiators |
FR2509789A1 (fr) * | 1981-07-17 | 1983-01-21 | Valeo | Bouchon pour un circuit de fluide, tel qu'un circuit de refroidissement de moteur a combustion interne |
DE3211449C2 (de) * | 1982-03-27 | 1984-06-20 | Daimler-Benz Ag, 7000 Stuttgart | Kühlerverschluß |
DE3422705A1 (de) * | 1984-06-19 | 1985-12-19 | Kühlerfabrik Längerer & Reich GmbH & Co KG, 7024 Filderstadt | Ueberdruckventileinrichtung fuer den kuehlkreislauf einer fluessigkeitsgekuehlten brennkraftmaschine |
DE3436702A1 (de) | 1984-10-06 | 1986-04-10 | Süddeutsche Kühlerfabrik Julius Fr. Behr GmbH & Co KG, 7000 Stuttgart | Vorrichtung zum absichern des kuehlmittelkreislaufs eines verbrennungsmotors |
DE3832103C2 (de) * | 1988-09-21 | 1996-08-29 | Blau Kg Kraftfahrzeugtech | Verschlußdeckel für die Füllöffnung eines Kühlmittelbehälters in Kfz-Kühlanlagen |
DE4107525C1 (de) * | 1991-03-08 | 1992-05-27 | Blau Kg Fabrik Fuer Kraftfahrzeugteile, 4018 Langenfeld, De | |
DE4121086A1 (de) | 1991-06-26 | 1993-01-14 | Laengerer & Reich Kuehler | Ueberdruckventileinrichtung fuer den kuehlkreislauf einer fluessigkeitsgekuehlten brennkraftmaschine |
DE4124182C1 (de) * | 1991-07-20 | 1992-06-04 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | |
DE4220631C1 (en) * | 1992-06-24 | 1993-03-11 | Mercedes-Benz Aktiengesellschaft, 7000 Stuttgart, De | Valve arrangement for cooling circuit of IC engine - has at least two excess pressure valves and switch valve for change of pressure between excess pressure valves |
DE4422292A1 (de) * | 1994-06-01 | 1995-12-07 | Reutter Metallwaren | Auf einem Behälterstutzen befestigbarer Verschlußdeckel |
-
1997
- 1997-12-03 DE DE19753592A patent/DE19753592A1/de not_active Withdrawn
-
1998
- 1998-11-25 DE DE59807339T patent/DE59807339D1/de not_active Expired - Lifetime
- 1998-11-25 EP EP98963510A patent/EP1036261B1/de not_active Expired - Lifetime
- 1998-11-25 US US09/555,507 patent/US6367644B1/en not_active Expired - Lifetime
- 1998-11-25 WO PCT/EP1998/007590 patent/WO1999028605A1/de active IP Right Grant
Non-Patent Citations (1)
Title |
---|
See references of WO9928605A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE59807339D1 (de) | 2003-04-03 |
EP1036261B1 (de) | 2003-02-26 |
WO1999028605A1 (de) | 1999-06-10 |
DE19753592A1 (de) | 1999-06-10 |
US6367644B1 (en) | 2002-04-09 |
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