US20060001222A1 - Gasket - Google Patents

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Publication number
US20060001222A1
US20060001222A1 US11/220,487 US22048705A US2006001222A1 US 20060001222 A1 US20060001222 A1 US 20060001222A1 US 22048705 A US22048705 A US 22048705A US 2006001222 A1 US2006001222 A1 US 2006001222A1
Authority
US
United States
Prior art keywords
sealing bead
gasket
cutout
seal
opening
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.)
Abandoned
Application number
US11/220,487
Other languages
English (en)
Inventor
Karl Dussler
Karl Huber
Hans-Ulrich Leutwein
Josef Ludwig
Matthias Weidner
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.)
Siemens AG
Original Assignee
Siemens AG
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 Siemens AG filed Critical Siemens AG
Publication of US20060001222A1 publication Critical patent/US20060001222A1/en
Assigned to SIEMENS AKTIENGESELLSCHAFT reassignment SIEMENS AKTIENGESELLSCHAFT ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Assignors: LEUTWEIN, HANS-ULRICH, WEIDNER, MATTHIAS, HUBER, KARL
Assigned to SIEMENS AKTIENGESELLSCHAFT reassignment SIEMENS AKTIENGESELLSCHAFT CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED ON REEL 017613 FRAME 0073. ASSIGNOR(S) HEREBY CONFIRMS THE ASSIGNMENT. Assignors: LEUTWEIN, HANS-ULRICH, WEIDNER, MATTHIAS, HUBER, KARL
Priority to US12/273,652 priority Critical patent/US7637509B2/en
Abandoned legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
    • F04B1/00—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders
    • F04B1/04—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement
    • F04B1/0404—Details or component parts
    • F04B1/0448—Sealing means, e.g. for shafts or housings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/44—Details, components parts, or accessories not provided for in, or of interest apart from, the apparatus of groups F02M59/02 - F02M59/42; Pumps having transducers, e.g. to measure displacement of pump rack or piston
    • F02M59/48—Assembling; Disassembling; Replacing
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/02—Sealings between relatively-stationary surfaces
    • F16J15/06—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces
    • F16J15/08—Sealings between relatively-stationary surfaces with solid packing compressed between sealing surfaces with exclusively metal packing
    • F16J15/0818—Flat gaskets
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02M—SUPPLYING COMBUSTION ENGINES IN GENERAL WITH COMBUSTIBLE MIXTURES OR CONSTITUENTS THEREOF
    • F02M59/00—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps
    • F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
    • F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
    • F02M59/102—Mechanical drive, e.g. tappets or cams

Definitions

  • the invention relates to a gasket, in particular for fuel high-pressure pumps.
  • a fuel high-pressure pump is known from DE 198 41 642 C2 which has a pump housing and a plurality of cylinder heads. Each cylinder head is fixed in the pump housing using a centering shoulder.
  • An induction line runs from the pump housing into the cylinder. The fuel reaches the cylinder chamber from the induction line via an induction valve. In the cylinder chamber the fuel is compressed and is then fed back into the pump housing via a high-pressure valve and a high-pressure line, from where the fuel is fed to a common high-pressure accumulator, known as the Common Rail.
  • An O-ring seal is arranged between the cylinder and the pump housing. To accommodate the O-ring seal the cylinder head has a groove.
  • the object of the invention is hence to ensure a secure seal of the fuel high-pressure pump combined with ease of assembly of the seal.
  • a gasket comprising a first cutout for a cylinder head, a second cutout for a high-pressure channel, a third cutout for an induction channel, a first sealing bead around the second cutout for the high-pressure channel, a second sealing bead around the third cutout for the induction channel, a third sealing bead which encircles the first and second sealing bead, and a discharge opening being introduced within the surface encircled by the sealing bead.
  • the first sealing bead which is arranged around the high-pressure channel, may have a coaxial profiling.
  • the coaxial profiling may have a wave-shaped and/or sawtooth-shaped profile.
  • the seal may have positioning tabs for precise positioning of the seal between the components to be sealed or on one of the components to be sealed.
  • the gasket may consist of a spring steel or of a metal which can preferably be worked cold.
  • the seal can be coated at least partially with an elastomer or another suitable plastic, or with metal.
  • the invention is characterized in that the seal is formed as a gasket.
  • the gasket has a first cutout for the cylinder head, a second cutout for the high-pressure channel and a third cutout for the induction channel.
  • Around the cutout for the high-pressure channel is a first sealing bead and around the cutout for the induction channel is a second sealing bead.
  • a third sealing bead in the gasket said sealing bead encircling the first and the second sealing bead. This ensures that if the first and/or second sealing beads are leaking, no fuel can reach the outside via the sealing surfaces but that thanks to the third encircling sealing bead it is guaranteed at all times that the gasket is leakproof.
  • an advantageous embodiment of the invention provides for a sealing bead with coaxial profiling, preferably with a wave-shaped and/or sawtooth-shaped profile around the cutout for the high-pressure channel.
  • a sealing bead profiled like this is already known from DE 100 60 872 A1, the disclosure of which is included in this respect.
  • FIG. 1 shows a three-dimensional representation of the inventive gasket
  • FIG. 2 shows a detailed view of a fuel high-pressure pump with a gasket in accordance with FIG. 1 .
  • FIG. 1 shows a three-dimensional representation of the gasket
  • FIG. 2 a detailed view of a fuel high-pressure pump with the gasket shown in FIG. 1 .
  • the figures are jointly explained below.
  • the gasket 1 has a first cutout 2 for the cylinder head 20 , a second cutout 3 for the high-pressure channel 21 and a third cutout 4 for the induction channel 22 .
  • a first and a second essentially circular sealing bead 5 , 6 run respectively around the cutout for the high-pressure channel and around the cutout for the induction channel.
  • the first sealing bead 5 for the high-pressure channel has a coaxial profiling with several waves.
  • the narrow ring-shaped contact surfaces of the profiled sealing bead produce a high compressive load on the components to be sealed.
  • the second sealing bead 6 for the induction channel can be formed as a simple sealing bead, since the liquid pressure in the induction channel is low.
  • first and second sealing bead 5 , 6 there is an additional third sealing bead 7 in the gasket, which is designed such that it encircles both the first and the second sealing bead 5 , 6 .
  • the gasket has several positioning tabs 8 .
  • the positioning tabs engage cutouts of an adjoining component in the assembled state, as a result of which it can be ensured that the gasket is assembled quickly and in the right position. This results in a significant saving of time for assembly compared to the prior art. Additionally, incorrect assembly is thereby largely excluded.
  • the gasket is manufactured in particular from a spring steel or from another metal that can preferably be worked cold, and is preferably coated at least partially with an elastomer or another suitable plastic or metal.
  • the coating enables rugosities on the sealing surfaces of the housing and of the cylinder to be evened out. The coating presses into the unevennesses when fastening the seal and largely fills these up, as a result of which a secure seal is ensured.
  • the proposed invention is thus suitable for securely sealing, with a single component simultaneously, both the high-pressure channel and the induction channel of a fuel high-pressure pump, it not being possible for the fuel to escape from the pump housing in the event of a fuel leak, because it is retained by an additional sealing bead.
  • the sealing beads possess sufficient elasticity and thus ensure a secure seal across the entire range of use.
  • the gasket is simple to manufacture, for example by punching, and is thus particularly inexpensive. Additional positioning tabs ensure simple and secure assembly.

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Gasket Seals (AREA)
  • Fuel-Injection Apparatus (AREA)
US11/220,487 2003-03-07 2005-09-07 Gasket Abandoned US20060001222A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/273,652 US7637509B2 (en) 2003-03-07 2008-11-19 High pressure fuel pump with a gasket

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE10310124A DE10310124B4 (de) 2003-03-07 2003-03-07 Flachdichtung
DE10310124.1 2003-03-07
PCT/EP2004/001699 WO2004079189A1 (de) 2003-03-07 2004-02-20 Flachdichtung

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2004/001699 Continuation WO2004079189A1 (de) 2003-03-07 2004-02-20 Flachdichtung

Related Child Applications (1)

Application Number Title Priority Date Filing Date
US12/273,652 Continuation US7637509B2 (en) 2003-03-07 2008-11-19 High pressure fuel pump with a gasket

Publications (1)

Publication Number Publication Date
US20060001222A1 true US20060001222A1 (en) 2006-01-05

Family

ID=32864274

Family Applications (2)

Application Number Title Priority Date Filing Date
US11/220,487 Abandoned US20060001222A1 (en) 2003-03-07 2005-09-07 Gasket
US12/273,652 Expired - Fee Related US7637509B2 (en) 2003-03-07 2008-11-19 High pressure fuel pump with a gasket

Family Applications After (1)

Application Number Title Priority Date Filing Date
US12/273,652 Expired - Fee Related US7637509B2 (en) 2003-03-07 2008-11-19 High pressure fuel pump with a gasket

Country Status (4)

Country Link
US (2) US20060001222A1 (de)
EP (1) EP1601873B1 (de)
DE (1) DE10310124B4 (de)
WO (1) WO2004079189A1 (de)

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110006488A1 (en) * 2006-12-19 2011-01-13 Robert Bosch Gmbh Flat gasket
JP2011506859A (ja) * 2007-12-06 2011-03-03 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 高圧ポンプのためのガスケット及び該ガスケットを有する高圧ポンプ
EP2902614A1 (de) * 2014-02-03 2015-08-05 Robert Bosch Gmbh Dichtscheibe für einen kraftstoffinjektor, sowie kraftstoffinjektor mit einer derartigen dichtscheibe
US20160032879A1 (en) * 2013-03-15 2016-02-04 Robert Bosch Gmbh High-Pressure Pump, in Particular Plug-In Pump, for a Fuel System for an Internal Combustion Engine
JP2016223350A (ja) * 2015-05-29 2016-12-28 三菱重工業株式会社 ラジアルピストン式油圧機械および風力発電装置、並びにシール施工方法
GB2551562A (en) * 2016-06-23 2017-12-27 Delphi Int Operations Luxembourg Sarl Gasket of a front plate of a high pressure pump
CN113847240A (zh) * 2020-06-25 2021-12-28 爱塞威汽车有限责任公司 包括轴向作用的弹簧垫圈的泵

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102006060016A1 (de) * 2006-12-19 2008-06-26 Robert Bosch Gmbh Flachdichtung
DE102007052668A1 (de) * 2007-11-05 2009-05-07 Robert Bosch Gmbh Hochdruckkraftstoffpumpe
EP2072818A1 (de) 2007-12-21 2009-06-24 Reinz-Dichtungs-GmbH & Co. KG Metallische Flachdichtung und Ihre Verwendung
EP2247846B1 (de) * 2008-01-16 2012-11-28 Superpar Otomotiv San. Ve Tic. A.S. Elektrische kraftstoffpumpe für hdep (heavy duty engine platforms - schwere motorenplattformen)
DE202008005712U1 (de) 2008-04-24 2009-09-03 Reinz-Dichtungs-Gmbh Metallische Flachdichtung
DE102008042626A1 (de) * 2008-05-29 2009-12-03 Robert Bosch Gmbh Hochdruck-Kraftstoffpumpe
US8459656B2 (en) * 2009-10-20 2013-06-11 Robert K Ridgway Fuel line gasket for use with a diesel fuel injector
DE102010053945A1 (de) 2009-12-17 2011-06-22 Schaeffler Technologies GmbH & Co. KG, 91074 Dichtungseinrichtung
JP5906697B2 (ja) * 2011-11-30 2016-04-20 株式会社リコー 光照射装置、画像読取装置および画像形成装置

Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1851948A (en) * 1927-03-31 1932-03-29 Frigidaire Corp Gasket
US3108818A (en) * 1959-12-14 1963-10-29 Felt Products Mfg Co Fluid transfer seal for gasket
US5775701A (en) * 1995-11-23 1998-07-07 Tako Payen S.P.A. Exhaust tube gasket for combustion gases
US6036195A (en) * 1998-03-09 2000-03-14 Ishikawa Gasket Co., Ltd. Metal gasket with double beads
US6224351B1 (en) * 1998-09-11 2001-05-01 Robert Bosch Gmbh Radial pistol pump
US6343795B1 (en) * 1999-08-23 2002-02-05 Elringklinger Ag Flat gasket
US6435517B1 (en) * 1998-12-22 2002-08-20 Dana Corporation Gasket tab retainer
US6457724B2 (en) * 1999-12-15 2002-10-01 Nippon Gasket Company Ltd. Metallic gasket
US20040041552A1 (en) * 2002-02-04 2004-03-04 Mitsuyasu Okamoto Current supplying circuit
US6883483B1 (en) * 2003-11-20 2005-04-26 Dresser, Inc. Gasket with pushrod retainer

Family Cites Families (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH268267A (de) * 1948-06-14 1950-05-15 Bertram Nicholson James Dichtung.
US3236217A (en) * 1964-04-22 1966-02-22 Tillotson Mfg Co Fuel feed system for internal combustion engines
DE4136408A1 (de) * 1991-11-05 1993-05-06 Siemens Ag, 8000 Muenchen, De Waermebewegliche anordnung zur abdichtung eines zwischenraumes, insbesondere fuer dampfleitungen bei dampfturbinen
DE19731132A1 (de) * 1997-07-19 1999-05-06 Elringklinger Gmbh Zylinderkopfdichtung
CA2277735A1 (en) * 1998-09-08 2000-03-08 Dana Corporation Gasket attachment clip
US6098597A (en) * 1999-09-07 2000-08-08 Navistar International Transportation Corp Hydraulic system with a combination filter screen and gasket
IT1308782B1 (it) * 1999-07-02 2002-01-10 Elasis Sistema Ricerca Fiat Perfezionamenti ad una pompa ad alta pressione per l'alimentazione dicombustibile ad un motore a combustione interna.
DE10060872B4 (de) * 2000-06-15 2012-11-15 Reinz-Dichtungs-Gmbh Flachdichtung
JP2002115761A (ja) * 2000-10-10 2002-04-19 Nippon Gasket Co Ltd 金属製ガスケット
JP2003035363A (ja) * 2001-07-23 2003-02-07 Ishikawa Gasket Co Ltd シリンダヘッドガスケット
DE10310123A1 (de) * 2003-03-07 2004-09-23 Siemens Ag Radialkolbenpumpe
US20050220633A1 (en) * 2003-06-13 2005-10-06 Suntec Industries Incorporated Fuel pump gasket
DE502005003218D1 (de) * 2005-09-07 2008-04-24 Freudenberg Carl Kg Dichtungsanordnung

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1851948A (en) * 1927-03-31 1932-03-29 Frigidaire Corp Gasket
US3108818A (en) * 1959-12-14 1963-10-29 Felt Products Mfg Co Fluid transfer seal for gasket
US5775701A (en) * 1995-11-23 1998-07-07 Tako Payen S.P.A. Exhaust tube gasket for combustion gases
US6036195A (en) * 1998-03-09 2000-03-14 Ishikawa Gasket Co., Ltd. Metal gasket with double beads
US6224351B1 (en) * 1998-09-11 2001-05-01 Robert Bosch Gmbh Radial pistol pump
US6435517B1 (en) * 1998-12-22 2002-08-20 Dana Corporation Gasket tab retainer
US6343795B1 (en) * 1999-08-23 2002-02-05 Elringklinger Ag Flat gasket
US6457724B2 (en) * 1999-12-15 2002-10-01 Nippon Gasket Company Ltd. Metallic gasket
US20040041552A1 (en) * 2002-02-04 2004-03-04 Mitsuyasu Okamoto Current supplying circuit
US6883483B1 (en) * 2003-11-20 2005-04-26 Dresser, Inc. Gasket with pushrod retainer

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20110006488A1 (en) * 2006-12-19 2011-01-13 Robert Bosch Gmbh Flat gasket
CN101563558B (zh) * 2006-12-19 2013-06-05 罗伯特·博世有限公司 平垫圈
JP2011506859A (ja) * 2007-12-06 2011-03-03 ローベルト ボツシユ ゲゼルシヤフト ミツト ベシユレンクテル ハフツング 高圧ポンプのためのガスケット及び該ガスケットを有する高圧ポンプ
US8590442B2 (en) 2007-12-06 2013-11-26 Robert Bosch Gmbh Gasket for high-pressure pump and high-pressure pump comprising said gasket
US20160032879A1 (en) * 2013-03-15 2016-02-04 Robert Bosch Gmbh High-Pressure Pump, in Particular Plug-In Pump, for a Fuel System for an Internal Combustion Engine
EP2902614A1 (de) * 2014-02-03 2015-08-05 Robert Bosch Gmbh Dichtscheibe für einen kraftstoffinjektor, sowie kraftstoffinjektor mit einer derartigen dichtscheibe
JP2016223350A (ja) * 2015-05-29 2016-12-28 三菱重工業株式会社 ラジアルピストン式油圧機械および風力発電装置、並びにシール施工方法
GB2551562A (en) * 2016-06-23 2017-12-27 Delphi Int Operations Luxembourg Sarl Gasket of a front plate of a high pressure pump
GB2551562B (en) * 2016-06-23 2020-03-18 Delphi Tech Ip Ltd Gasket of a front plate of a high pressure pump
CN113847240A (zh) * 2020-06-25 2021-12-28 爱塞威汽车有限责任公司 包括轴向作用的弹簧垫圈的泵
US11808263B2 (en) 2020-06-25 2023-11-07 Schwäbische Hüttenwerke Automotive GmbH Pump comprising an axially acting spring gasket

Also Published As

Publication number Publication date
DE10310124B4 (de) 2009-09-10
DE10310124A1 (de) 2004-09-16
US20090072492A1 (en) 2009-03-19
EP1601873B1 (de) 2012-07-11
WO2004079189A1 (de) 2004-09-16
US7637509B2 (en) 2009-12-29
EP1601873A1 (de) 2005-12-07

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Legal Events

Date Code Title Description
AS Assignment

Owner name: SIEMENS AKTIENGESELLSCHAFT, TEXAS

Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNORS:HUBER, KARL;WEIDNER, MATTHIAS;LEUTWEIN, HANS-ULRICH;REEL/FRAME:017613/0073;SIGNING DATES FROM 20050928 TO 20051108

AS Assignment

Owner name: SIEMENS AKTIENGESELLSCHAFT, GERMANY

Free format text: CORRECTIVE ASSIGNMENT TO CORRECT THE ASSIGNEE ADDRESS PREVIOUSLY RECORDED ON REEL 017613 FRAME 0073;ASSIGNORS:HUBER, KARL;WEIDNER, MATTHIAS;LEUTWEIN, HANS-ULRICH;REEL/FRAME:018427/0441;SIGNING DATES FROM 20050928 TO 20051108

STCB Information on status: application discontinuation

Free format text: EXPRESSLY ABANDONED -- DURING EXAMINATION