EP2554817A1 - Verschlussvorrichtung zum Abdichten einer Einfüllöffnung eines Behälters - Google Patents

Verschlussvorrichtung zum Abdichten einer Einfüllöffnung eines Behälters Download PDF

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Publication number
EP2554817A1
EP2554817A1 EP11290359A EP11290359A EP2554817A1 EP 2554817 A1 EP2554817 A1 EP 2554817A1 EP 11290359 A EP11290359 A EP 11290359A EP 11290359 A EP11290359 A EP 11290359A EP 2554817 A1 EP2554817 A1 EP 2554817A1
Authority
EP
European Patent Office
Prior art keywords
cap
sealing
socket
drainage channel
closure device
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
Application number
EP11290359A
Other languages
English (en)
French (fr)
Other versions
EP2554817B1 (de
Inventor
Guillaume Blanc-Brude
Philippe Trotin
Dominique Girard
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.)
Mann and Hummel GmbH
Original Assignee
Mann and Hummel GmbH
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
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First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=44514583&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=EP2554817(A1) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Mann and Hummel GmbH filed Critical Mann and Hummel GmbH
Priority to EP20110290359 priority Critical patent/EP2554817B1/de
Publication of EP2554817A1 publication Critical patent/EP2554817A1/de
Application granted granted Critical
Publication of EP2554817B1 publication Critical patent/EP2554817B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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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
    • F01P11/028—Deaeration devices
    • 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
    • F01P11/029—Expansion reservoirs

Definitions

  • the present invention relates to a closure device for sealing a filler aperture of a reservoir, especially for the use on a radiator of an internal combustion engine in particular of a motor vehicle, comprising a filling socket and a cupulate cap secured to the socket by interlocking means, which are interlocked by a rotating and/or plug-in movement of the cap on the socket, and the cap is provided with sealing means, which seals the filler aperture in the state of closing, and a drainage channel for pressure equalization is connected with the filler aperture when removing the cap.
  • the GB 2 033 351 A discloses closure means for the filling aperture of a container, especially for use on the radiator of an internal combustion engine of a vehicle.
  • the closure means comprises a filling socket and a cap secured to the socket by means of a screw-thread which, when screwed down, presses a sealing ring against the end face of a collar.
  • the filling aperture is surrounded by the collar.
  • the collar is coaxial with the filling socket.
  • the object is achieved by that the cap presses in the state of closing the sealing means against the end face of the filling socket for sealing the filler aperture and when removing the cap a gap between the sealing means and the end face connects the filler aperture with the drainage channel.
  • the filling socket combines both the interlocking function and the sealing function. This reduces the number of components. A separate collar as part of the sealing means is not necessary.
  • any boiling and pressurised medium in particular coolant and hot steam, can pass to the drainage channel.
  • the medium is drained off with the drainage channel away from the cap. In this way it is prevented that hot medium can hurt a person which removes the cap.
  • Any pressurised hot medium is automatically directed away from the hand of the person when removing the cap.
  • the drainage channel can lead off the reservoir so that no medium escaping from the interior of the reservoir soils the exterior of the reservoir.
  • the drainage channel can lead to a collecting area to prevent that medium can get to surroundings.
  • an intake section of the drainage channel can be integrated in a wall of the filling socket and can have an intake opening to the end face, which can be sealed in the state of closing by the sealing means. So the intake section of the drainage channel is space-saving combined with the filling socket.
  • the filling socket and a drainage channel easy can be formed together.
  • the filling socket, the drainage channel and the reservoir can easy be molded in one piece of plastic.
  • the intake opening and the filler aperture can be opened and closed simultaneously with only one sealing means. This reduces the number of components. It also simplifies the manufacturing process.
  • a covering ring for an annular opening between the end face of the cap and the outer circumferential side of the filling socket can comprise a ring sealing and an intake section of the drainage channel can be placed in the covering ring and can have an intake opening that is axially arranged between the end face of the socket and the ring sealing of the covering ring. Since the drainage channel is attached to the cap the inventive closure device can be combined easy with a conventional reservoir without modifying an existing filling socket.
  • the covering ring prevents that medium which passes the gap between the cap and the filler socket can escape through the annular opening to surroundings.
  • the medium can be collected in a space which is bounded by the outer circumferential side of the filling socket, the inner circumferential side of the cap and the covering ring. The medium can leave this space through the drainage channel.
  • the covering ring can be attached to the cap by way of a plug-in joint or a ring-shaped snap joint. In this way the covering ring easy can be fixed to the cap. So an usual cap can be retrofitted with a covering ring.
  • the covering ring also can be attached removable to the cap.
  • an outlet section of the drainage channel can have a connector for an outlet pipe.
  • the outlet pipe can lead far away from the cap for further reducing the risk of injury due to escaping hot medium or steam.
  • the sealing means can comprise a sealing ring or a sealing plate.
  • a sealing ring or a sealing plate can be mounted easily in the cap.
  • the interlocking means can comprise a plug-in joint, a screw-thread or a bayonet joint.
  • the parts of a plug-in joint can easily be combined and separated.
  • a screw-thread has a high stability in axial direction.
  • a bayonet joint can easy be connected and separated and has a high stability in axial direction.
  • FIGS 1 to 3 depict a detail of an expansion tank 10 of a radiator of an internal combustion engine of a motor vehicle according to a first embodiment.
  • the expansion tank 10 is made of plastic.
  • the expansion tank 10 contains coolant 11.
  • the expansion tank 10 comprises a filling socket 12 with a filler aperture 14.
  • the filling socket 12 is provided with a cupulate cap 16.
  • the cap 16 is made of plastic.
  • the filling socket 12 and the cap 16 are parts of a closure device 18 for sealing the filler aperture 14.
  • the cap 16 is secured to the filling socket 12 by a screw-thread 20, 22.
  • the cap 16 has an internal screw-thread 20 which can be engaged with an external screw-thread 22 on the filling socket 12.
  • the cap 16 At its bottom the cap 16 is provided with a cylindrical collar 24.
  • the collar 24 In the state of closing of the closure device 18, which is shown in figures 1 and 3 , the collar 24 is coaxial to the filling socket 12 and overlaps an end-section 26 of the filling socket 12. The radial inner circumferential of the collar 24 touches the radial outer circumferential of the end-section 26.
  • the cap 16 is provided with a sealing ring 28.
  • the sealing ring 28 is arranged inside the collar 24 and coaxial to that. It lies flat on the inner surface of the bottom of the cap 16. In the state of closing a bearing face 30 of the sealing ring 28 is pressed in axial direction to the filling socket 12 on an end face 32 of the filling socket 12. The sealing ring 28 so seals the filler aperture 14 in the state of closing.
  • An intake section 34 of a drainage channel 36 is integrated in a thickening 38 of the filling socket 12.
  • the thickening 38 also is provided with the external screw-thread 22.
  • the drainage channel 36 has an intake opening 40 to the end face 32 of the filling socket 12. In the state of closing the intake opening 40 is sealed by the sealing ring 28 too.
  • An outlet section 42 of the drainage channel 36 leads out of the thickening 38 and away from the cap 16.
  • the drainage channel 36 has a connector 44 for an outlet pipe 46 which is shown in figure 3 .
  • the outlet pipe 46 leads to a not shown collecting chamber where escaping coolant can be collected.
  • the expansion tank 10, the filling socket 12 and the drainage channel 36 are molded in one piece of plastic.
  • the cap 16 For opening the filler aperture 14 the cap 16 is screwed off the filling socket 12.
  • the sealing ring 28 as a result is moved away from the end face 32 of the filling socket 12 in direction of an arrow 46 as shown in figure 2 .
  • a continuously-increasing gap 48 between the sealing ring 28 and the end face 32 then connects the filler aperture 14 with the intake opening 40 of the drainage channel 36.
  • the drainage channel 36 for pressure equalization so is connected with the filler aperture 14 when removing the cap 16. Any hot and pressurized coolant and steam in the expansion tank 10 can escape through the gap 48 and the drainage channel 36 as sketched out by a bent arrow 50 and is led away from the cap 16.
  • the special closure device 18 prevents that hot and pressurized coolant and steam can escape near the cap 16 when opening the filler aperture 14. So the risk of injury by burning for a person who screws off the cap 16 is reduced.
  • Figures 4 and 5 depict a second embodiment of an expansion tank 110. Those parts which are equal to those of the first embodiment according to figures 1 to 3 have the same reference numbers plus 100.
  • the closure device 118 of the second embodiment comprises a covering ring 152, which is coaxial to the filling socket 112.
  • the covering ring 152 covers an annular opening 154 between the end face of the cap 116 and the outer circumferential side of the filling socket 112.
  • the covering ring 152 has in its radial inner circumferential surface a groove with a ring sealing 156.
  • the ring sealing 156 presses in radial direction to the filling socket 12 against the radial outer circumferential surface of the thickening 138 of the filling socket 112.
  • the intake opening 140 of the intake section 134 of the drainage channel 136 is axially arranged between the end face 132 of the filling socket 112 and the ring sealing 156 of the covering ring 162.
  • the intake section 134 extends radial to the filling socket 112.
  • the covering ring 152 is attached to the cap 116 by way of a ring-shaped snap joint 158.
  • the sealing ring 128 is moved away from the end face 132 of the filling socket 112 in direction of the arrow 146.
  • the coolant and steam passes the continuously-increasing gap 148, leaves the cap 116 through a space between the screw-threads 120 and 122 and flows to the intake opening 140 of the drainage channel 136.
  • Any hot and pressurized coolant and steam in the expansion tank 110 so can escape through the gap 148, the space between the screw-threads 120 and 122 and the drainage channel 136 as sketched out with a bent arrow 150 and is away from the cap 116.
  • the covering ring 152 prevents that coolant and steam can get to surroundings directly through the annular opening 154.
  • the invention is not limited to an expansion tank 10; 110 of a radiator of an internal combustion engine of a motor vehicle.
  • the invention can also be applied for other kinds of reservoirs especially for fluids which can be hot and/or under high pressure.
  • the invention can further be applied to other kinds of internal combustion engines, particularly industrial engines.
  • the invention also can be used for fluids different from coolant 11; 111.
  • the cap 16; 116 can be secured to the filling socket 12; 112 by interlocking means different from screw-threads 20, 22; 120, 122, preferable by interlocking means, which are interlocked by a rotating and/or plug-in movement of the cap relative to the socket, for example by a plug-in joint or a bayonet joint.
  • the cap 16; 116 can be provided with other sealing means, for example a sealing plate, which is suitable for sealing the filler aperture 14; 114 in the state of closing.
  • the expansion tank 10; 110 with the filling socket 12; 112 can be made of a material different from plastic.
  • the expansion tank 10; 110 can be made of a material different from the material of the filling socket 12; 112.
  • the cap 16; 116 can be made of a material different from plastic.
  • the drainage channel 36 can also have a number of intake openings to the end face 32 of the filling socket 12.
  • the intake opening can also be formed as a slit which expands at least over a part of the circumference of the end face 32.
  • the covering ring 152 can be attached to the cap 116 in a different way.
  • it can be attached to the cap 116 by means of a plug-in joint, a screw thread or a bayonet joint. It also can be mounted by welding or means of glue.
  • the covering ring 152 can also be part of the cap 116.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
EP20110290359 2011-08-03 2011-08-03 Verschlussvorrichtung zum Abdichten einer Einfüllöffnung eines Behälters Active EP2554817B1 (de)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP20110290359 EP2554817B1 (de) 2011-08-03 2011-08-03 Verschlussvorrichtung zum Abdichten einer Einfüllöffnung eines Behälters

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP20110290359 EP2554817B1 (de) 2011-08-03 2011-08-03 Verschlussvorrichtung zum Abdichten einer Einfüllöffnung eines Behälters

Publications (2)

Publication Number Publication Date
EP2554817A1 true EP2554817A1 (de) 2013-02-06
EP2554817B1 EP2554817B1 (de) 2014-06-25

Family

ID=44514583

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20110290359 Active EP2554817B1 (de) 2011-08-03 2011-08-03 Verschlussvorrichtung zum Abdichten einer Einfüllöffnung eines Behälters

Country Status (1)

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EP (1) EP2554817B1 (de)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105952522A (zh) * 2016-04-30 2016-09-21 安徽志诚机电零部件有限公司 一种汽车膨胀水壶的防打滑加注口及其加工方法
DE102015208368A1 (de) * 2015-05-06 2016-11-10 Bayerische Motoren Werke Aktiengesellschaft Verschlusskappe

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077927A (en) * 1960-05-02 1963-02-19 Ford Motor Co Cooling system
GB2033351A (en) 1978-10-20 1980-05-21 Bayerische Motoren Werke Ag Valved closures
DE4039993A1 (de) * 1990-12-14 1992-03-26 Daimler Benz Ag Entlueftungsleitung im kuehlkreis einer brennkraftmaschine

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3077927A (en) * 1960-05-02 1963-02-19 Ford Motor Co Cooling system
GB2033351A (en) 1978-10-20 1980-05-21 Bayerische Motoren Werke Ag Valved closures
DE4039993A1 (de) * 1990-12-14 1992-03-26 Daimler Benz Ag Entlueftungsleitung im kuehlkreis einer brennkraftmaschine

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102015208368A1 (de) * 2015-05-06 2016-11-10 Bayerische Motoren Werke Aktiengesellschaft Verschlusskappe
CN105952522A (zh) * 2016-04-30 2016-09-21 安徽志诚机电零部件有限公司 一种汽车膨胀水壶的防打滑加注口及其加工方法

Also Published As

Publication number Publication date
EP2554817B1 (de) 2014-06-25

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