EP0080603B1 - Kraftstoff-Einspritzanlage für Brennkraftmaschinen - Google Patents

Kraftstoff-Einspritzanlage für Brennkraftmaschinen Download PDF

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Publication number
EP0080603B1
EP0080603B1 EP82110106A EP82110106A EP0080603B1 EP 0080603 B1 EP0080603 B1 EP 0080603B1 EP 82110106 A EP82110106 A EP 82110106A EP 82110106 A EP82110106 A EP 82110106A EP 0080603 B1 EP0080603 B1 EP 0080603B1
Authority
EP
European Patent Office
Prior art keywords
fuel
injection system
injection
distributor
shaped
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
Application number
EP82110106A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0080603A1 (de
Inventor
Jurij Gartner
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.)
Bayerische Motoren Werke AG
Original Assignee
Bayerische Motoren Werke 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 Bayerische Motoren Werke AG filed Critical Bayerische Motoren Werke AG
Publication of EP0080603A1 publication Critical patent/EP0080603A1/de
Application granted granted Critical
Publication of EP0080603B1 publication Critical patent/EP0080603B1/de
Expired legal-status Critical Current

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Classifications

    • 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
    • F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
    • F02M61/16—Details not provided for in, or of interest apart from, the apparatus of groups F02M61/02 - F02M61/14
    • F02M61/168—Assembling; Disassembling; Manufacturing; Adjusting
    • 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
    • F02M55/00—Fuel-injection apparatus characterised by their fuel conduits or their venting means; Arrangements of conduits between fuel tank and pump F02M37/00
    • F02M55/004—Joints; Sealings
    • 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
    • F02M69/00—Low-pressure fuel-injection apparatus ; Apparatus with both continuous and intermittent injection; Apparatus injecting different types of fuel
    • F02M69/46—Details, component parts or accessories not provided for in, or of interest apart from, the apparatus covered by groups F02M69/02 - F02M69/44
    • F02M69/462—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down
    • F02M69/465—Arrangement of fuel conduits, e.g. with valves for maintaining pressure in the pipes after the engine being shut-down of fuel rails
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/8023—Fuel injection apparatus manufacture, repair or assembly the assembly involving use of quick-acting mechanisms, e.g. clips
    • 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
    • F02M2200/00—Details of fuel-injection apparatus, not otherwise provided for
    • F02M2200/80—Fuel injection apparatus manufacture, repair or assembly
    • F02M2200/803—Fuel injection apparatus manufacture, repair or assembly using clamp elements and fastening means; e.g. bolts or screws

Definitions

  • the invention relates to a fuel injection system of the type according to the preamble of claim 1.
  • a known fuel injection system of this type contains a distributor line with an inner part made of an elastomer with molded connection sockets, which is enclosed by the two molded parts.
  • the flange level of the molded parts contains the central axes of the distribution line and the connection sockets, so that the molded parts essentially represent mirror-like half-shells.
  • This structure of the distributor line leads to a complex and expensive fuel injection system, since not only does the inner part of the distributor line have to be manufactured separately, but also the design of the connecting pieces of the injection valves differs from the usual standard design with an O-ring seal.
  • the distribution line is relatively heavy.
  • FR-A No. 1369539 discloses a distribution line for flow media which has flanges arranged perpendicular to its connections and in which one wall part is flat and the other is hat-shaped in cross-section. This training does not include engaging connecting sockets.
  • FR-A No. 906313 discloses a one-piece distribution line which has a flange on one side perpendicular to the connections and connection sockets projecting into its cavity.
  • the invention has for its object to provide a fuel injection system of the type according to the preamble of claim 1, which is simple and inexpensive to manufacture and has a low weight.
  • connection sockets are completely molded onto the one molded part ensures a reliable seal between the connection sockets and the inserted connection pieces of the injection nozzles, each carrying a radially acting 0-ring.
  • a fuel injection system for internal combustion engines comprises a distributor line 1, to which two injection valves 3 are fastened by means of spring clips.
  • the distribution line 1 consists of 2 molded parts, an upper part 4 and a lower part 5. Both molded parts are made by deep drawing from sheet metal.
  • the upper part 4 is trough-shaped and has a hat profile in cross section. The ends of the upper part 4 are each closed by an end wall 4 '.
  • a flange 6 is formed by the edges of the hat profile.
  • an inlet connection 7 and a return connection 8 are fastened by upsetting or brazing.
  • the inlet connector 7 and the return connector 8 can also be formed by deep drawing.
  • the lower part 5 has a flange 9 and is connected to the flange 6 of the upper part 4 by brazing.
  • the lower part 5 is formed with connection sockets 10 which extend into the cavity of the distribution line 1.
  • the injection nozzles 3 are each inserted with their connecting pieces 11 into one of the connecting sockets 10, an O-ring 13 inserted into a circumferential groove 12 of the connecting piece 11 providing a radial seal between the connecting piece 11 and the connecting socket 10.
  • the spring clip 2 securing the injection valve 3 to the distributor line 1 is, on the one hand, radially resiliently latched into an annular groove 14 of the injection valve 3 and, on the other hand, engages behind the flanges 6 and 9 of the upper part 4 and the lower part 5.
  • the spring clips 2 are - in the axial direction of the connecting sockets 10 seen - U-shaped.
  • the web 15 and the legs 16 lie essentially in one plane.
  • the legs 16 have each other on their inner edges Opposing circular arc-shaped concave sections 17, with which they rest on the groove base after snapping into the annular groove 14 of the injection valve 3.
  • the legs 16 lie flat against the radially extending side walls of the annular groove 14.
  • Sections 18 are formed on the outer edges of the legs 16 and extend perpendicular to the common plane of the web 15 and the legs 16. Each section 18 has a tab 19 which extends through towards the axis of the connecting socket 10 and whose free edge 20 is supported on the flange 6.
  • This configuration of the distributor line 1 and the spring clips 2 enables the injection valves 3 to be installed quickly and easily.
  • the spring clip 2 can first be snapped into the annular groove 14 of the injection valve 3 or locked with the flanges 6 and 9 of the distributor line.
  • the spring clips 2 can be moved parallel to the flanges 6 and 9, whereby they disengage from the annular grooves 14. After the insertion of new injection valves 3, the spring clips 2 are simply pushed back into their original position.
  • the invention provides an easy-to-manufacture, light distributor line for a fuel injection system, in which the spring clips 2 enable the injection valves 3 to be installed and removed quickly.
  • the spring clip 2 itself is also easy to shape and manufacture.
  • the distribution line 1 or the spring clip 2 can also be made of fuel and temperature resistant plastic.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Fuel-Injection Apparatus (AREA)
EP82110106A 1981-11-26 1982-11-03 Kraftstoff-Einspritzanlage für Brennkraftmaschinen Expired EP0080603B1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE3146889 1981-11-26
DE3146889A DE3146889C2 (de) 1981-11-26 1981-11-26 Kraftstoffeinspritzanordnung für Brennkraftmaschinen

Publications (2)

Publication Number Publication Date
EP0080603A1 EP0080603A1 (de) 1983-06-08
EP0080603B1 true EP0080603B1 (de) 1985-02-06

Family

ID=6147260

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82110106A Expired EP0080603B1 (de) 1981-11-26 1982-11-03 Kraftstoff-Einspritzanlage für Brennkraftmaschinen

Country Status (4)

Country Link
US (1) US4474160A (enrdf_load_stackoverflow)
EP (1) EP0080603B1 (enrdf_load_stackoverflow)
JP (1) JPS5893957A (enrdf_load_stackoverflow)
DE (2) DE3146889C2 (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919231A1 (de) * 1989-06-13 1990-12-20 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung fuer brennkraftmaschinen

Families Citing this family (55)

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Publication number Priority date Publication date Assignee Title
US4519368A (en) * 1982-05-04 1985-05-28 Sharon Manufacturing Company Fuel injection rail assembly
US4457280A (en) * 1982-05-04 1984-07-03 Sharon Manufacturing Company Fuel injection rail assembly
JPS59223206A (ja) * 1983-05-30 1984-12-15 Toyo Sutoufuaa Chem:Kk 球状無水第二リン酸カルシウムの製造方法
JPS601658U (ja) * 1983-06-18 1985-01-08 ダイハツ工業株式会社 自動車用ウオツシヤタンク水の補給装置
US4649884A (en) * 1986-03-05 1987-03-17 Walbro Corporation Fuel rail for internal combustion engines
US4798187A (en) * 1986-11-07 1989-01-17 Sharon Manufacturing Company Low profile fuel injection rail
US4751904A (en) * 1986-11-07 1988-06-21 Sharon Manufacturing Company Low profile fuel injection rail
JPS63125171U (enrdf_load_stackoverflow) * 1987-02-09 1988-08-16
JPS63140167U (enrdf_load_stackoverflow) * 1987-03-06 1988-09-14
US4909220A (en) * 1987-08-03 1990-03-20 General Motors Corporation Fuel injection
DE3730571C2 (de) * 1987-09-11 1998-07-02 Bosch Gmbh Robert Vorrichtung zur Halterung, Kraftstoffversorgung und elektrischen Kontaktierung von elektromagnetisch betätigbaren Kraftstoffeinspritzventilen
US4993390A (en) * 1988-05-27 1991-02-19 Mitsubishi Jidosha Kogyo Akbushiki Kaisha Injector positioning device
JPH0754612Y2 (ja) * 1989-06-06 1995-12-18 臼井国際産業株式会社 フユーエルデリバリパイプ
DE3918410A1 (de) * 1989-06-06 1990-12-13 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung fuer brennkraftmaschinen
US4991557A (en) * 1989-08-21 1991-02-12 Siemens-Bendix Automotive Electronics L.P. Self-attaching electromagnetic fuel injector
US4984548A (en) * 1989-11-20 1991-01-15 Sharon Manufacturing Company Fuel injector retainer clip
GB8926363D0 (en) * 1989-11-22 1990-01-10 Lucas Ind Plc Fuel injection system
JP2789481B2 (ja) * 1989-12-08 1998-08-20 臼井国際産業株式会社 フユーエルデリバリパイプ
DE4000044A1 (de) * 1990-01-03 1991-07-04 Bosch Gmbh Robert Elektrisch gesteuerte kraftstoffeinspritzpumpe fuer brennkraftmaschinen, insbesondere pumpeduese
DE4017875C2 (de) * 1990-06-02 1999-02-04 Bosch Gmbh Robert Brennstoffeinspritzeinrichtung für Brennkraftmaschinen
US5035224A (en) * 1990-07-06 1991-07-30 Siemens Automotive L.P. Clip retention of a split-stream fuel injector to a fuel rail cup including circumferential locator
US5146896A (en) * 1991-07-25 1992-09-15 Siemens Automotive L.P. Mounting fuel injection system components on a fuel rail
US5080069A (en) * 1991-02-22 1992-01-14 Sharon Manufacturing Company, A Division Of Walbro Corporation Fuel rail with internal filter
US5074269A (en) * 1991-04-29 1991-12-24 Chrysler Corporation Anti-rotation fuel injector clip
DE4115039A1 (de) * 1991-05-08 1992-11-12 Bosch Gmbh Robert Brennstoffverteiler
DE4128086A1 (de) * 1991-08-24 1993-02-25 Bosch Gmbh Robert Brennstoffverteiler
US5261608A (en) * 1993-01-08 1993-11-16 Avco Corporation Multi-line fluid supply manifold assembly
US5301647A (en) * 1993-06-14 1994-04-12 Siemens Automotive L.P. Fuel injector attachment clip
DE4413914A1 (de) * 1994-04-21 1995-10-26 Bosch Gmbh Robert Brennstoffeinspritzeinrichtung
US6227785B1 (en) 1999-06-29 2001-05-08 Siemens Automotive Corporation Self-tightening clip
US6148798A (en) * 1999-10-01 2000-11-21 Delphi Technologies, Inc. Coaxial flow through fuel rail with a damper for a recirculating fuel system
US6341595B1 (en) 1999-11-12 2002-01-29 Siemens Automotive Corporation Laser welded fuel rail and process of making same
JP4305710B2 (ja) * 2000-09-25 2009-07-29 アイシン精機株式会社 燃料分配管
DE10108467A1 (de) 2001-02-22 2002-09-05 Bosch Gmbh Robert Befestigungsvorrichtung
US6619314B2 (en) * 2001-08-07 2003-09-16 Siemens Automotive Corporation Apparatus and method for sealing a fuel component in a fuel communication passage
JP3995974B2 (ja) * 2002-04-23 2007-10-24 三桜工業株式会社 フューエルデリバリパイプ
JP2004028076A (ja) * 2002-05-08 2004-01-29 Usui Kokusai Sangyo Kaisha Ltd フユーエルデリバリパイプ
JP3914488B2 (ja) * 2002-05-29 2007-05-16 株式会社オチアイ 配管接続金具
DE10256668A1 (de) 2002-12-04 2004-07-29 Robert Bosch Gmbh Stützelement
KR100534871B1 (ko) * 2002-12-05 2005-12-08 현대자동차주식회사 직접 분사식 엔진의 인젝터 장착 구조
US6666190B1 (en) 2003-01-03 2003-12-23 Ford Global Technologies, Llc Integrated fuel delivery and electrical connection for electronic fuel injectors
JP4149365B2 (ja) * 2003-11-20 2008-09-10 三桜工業株式会社 フューエルインジェクションレール
DE10359299A1 (de) * 2003-12-17 2005-08-25 Robert Bosch Gmbh Stützelement
US7007673B2 (en) * 2004-07-26 2006-03-07 Automotive Components Holdings, Inc. Vehicle fuel rail assembly for fuel delivery and liquid fuel retention
US7360524B2 (en) * 2004-12-03 2008-04-22 Millenium Industries, Inc. Fuel injector retention clip
US7028668B1 (en) 2004-12-21 2006-04-18 Robert Bosch Gmbh Self-damping fuel rail
DE102006061563A1 (de) * 2006-12-27 2008-07-03 Robert Bosch Gmbh Kraftstoffverteiler
US7775235B2 (en) * 2007-05-31 2010-08-17 Synerject, Llc Apparatus and methods for containing a fuel pressure regulator
US7556022B1 (en) 2008-01-04 2009-07-07 Millennium Industries Attachment for fuel injectors in direct injection fuel systems
JP5902403B2 (ja) * 2011-06-02 2016-04-13 マルヤス工業株式会社 燃料デリバリパイプに対するインジェクタの保持構造
CN102877995A (zh) * 2012-10-12 2013-01-16 福建省莆田市中涵机动力有限公司 组合式共轨喷油器器体
USD758555S1 (en) * 2015-01-09 2016-06-07 Bi-Phase Technologies, Llc Fuel line connector
DE202015102888U1 (de) * 2015-06-03 2016-09-12 Hörnlein Umformtechnik GmbH Kraftstoffverteilerrohr sowie Kraftfahrzeugbauteil
DE102016219112A1 (de) * 2016-09-30 2018-04-05 Robert Bosch Gmbh Kraftstoffhochdruckpumpe
US10690101B2 (en) * 2017-09-15 2020-06-23 Indian Motorcycle International, LLC Wheeled vehicle

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3919231A1 (de) * 1989-06-13 1990-12-20 Bosch Gmbh Robert Kraftstoffeinspritzeinrichtung fuer brennkraftmaschinen

Also Published As

Publication number Publication date
EP0080603A1 (de) 1983-06-08
DE3146889C2 (de) 1986-04-30
DE3262237D1 (en) 1985-03-21
DE3146889A1 (de) 1983-06-01
JPS5893957A (ja) 1983-06-03
US4474160A (en) 1984-10-02
JPH0159429B2 (enrdf_load_stackoverflow) 1989-12-18

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