EP0080603A1 - Dispositif d'injection de combustible pour moteurs à combustion interne - Google Patents
Dispositif d'injection de combustible pour moteurs à combustion interne Download PDFInfo
- Publication number
- EP0080603A1 EP0080603A1 EP82110106A EP82110106A EP0080603A1 EP 0080603 A1 EP0080603 A1 EP 0080603A1 EP 82110106 A EP82110106 A EP 82110106A EP 82110106 A EP82110106 A EP 82110106A EP 0080603 A1 EP0080603 A1 EP 0080603A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- fuel injection
- injection system
- distributor line
- molded
- flanges
- 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
Images
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
- 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 plane of the molded parts contains the central axes of the distributor line and the connecting 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 standard series design with an O-ring seal.
- the distribution line is relatively heavy.
- 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, a reliable seal between the connection sockets and the inserted, each carrying a radially acting O-ring connecting piece of the injection nozzles is guaranteed.
- 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 are molded sockets 10 which extend into the cavity of the distribution line 1.
- the spring clip 2 fastening 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 5 and the lower part 5.
- the spring clips 2 are seen in the axial direction of the connecting sockets 10 U-shaped.
- the web 15 and the legs 16 lie essentially in one plane.
- the legs 16 have, on their inner edges, opposing circular arc-shaped concave sections 17, by means of which they rest on the groove base after they have snapped 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 to 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 over it easy to shape and manufacture.
- the distributor power 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)
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 true EP0080603A1 (fr) | 1983-06-08 |
EP0080603B1 EP0080603B1 (fr) | 1985-02-06 |
Family
ID=6147260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP82110106A Expired EP0080603B1 (fr) | 1981-11-26 | 1982-11-03 | Dispositif d'injection de combustible pour moteurs à combustion interne |
Country Status (4)
Country | Link |
---|---|
US (1) | US4474160A (fr) |
EP (1) | EP0080603B1 (fr) |
JP (1) | JPS5893957A (fr) |
DE (2) | DE3146889C2 (fr) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0235394A1 (fr) * | 1986-03-05 | 1987-09-09 | WALBRO CORPORATION (Corporation of Delaware) | Rail de combustible pour moteur à combustion interne |
FR2606458A1 (fr) * | 1986-11-07 | 1988-05-13 | Sharon Mfg Co | Agencement de tubulure pour injection de carburant dans un moteur a explosion |
EP0678669A1 (fr) * | 1994-04-21 | 1995-10-25 | Robert Bosch Gmbh | Dispositif d'injection de combustible |
EP3101263A1 (fr) * | 2015-06-03 | 2016-12-07 | Hörnlein Umformtechnik GmbH | Tuyau de distributeur de carburant et composant de vehicule automobile |
Families Citing this family (52)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4457280A (en) * | 1982-05-04 | 1984-07-03 | Sharon Manufacturing Company | Fuel injection rail assembly |
US4519368A (en) * | 1982-05-04 | 1985-05-28 | 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 |
US4798187A (en) * | 1986-11-07 | 1989-01-17 | Sharon Manufacturing Company | Low profile fuel injection rail |
JPS63125171U (fr) * | 1987-02-09 | 1988-08-16 | ||
JPS63140167U (fr) * | 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 |
DE3918410A1 (de) * | 1989-06-06 | 1990-12-13 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung fuer brennkraftmaschinen |
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 |
DE3919231C2 (de) * | 1989-06-13 | 1997-03-06 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung für 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 |
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 |
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 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR906313A (fr) * | 1943-08-07 | 1945-12-31 | Junkers & Co | Conduite en tôle repliée pour robinets |
FR1369539A (fr) * | 1963-07-04 | 1964-08-14 | Sourdillon Ets | Perfectionnements apportés aux moyens pour fixer des dispositifs de robinetterie sur des plaques à conduits incorporés, pour cuisinières ou autres |
FR2153915A5 (fr) * | 1971-09-20 | 1973-05-04 | Bendix Corp | |
DE2833659A1 (de) * | 1978-08-01 | 1980-02-14 | Bayerische Motoren Werke Ag | Kraftstoff-verteiler fuer brennkraftmaschinen |
DE7918697U1 (de) * | 1979-06-29 | 1980-08-28 | Bayerische Motoren Werke Ag, 8000 Muenchen | Verbindung von zwei koaxial hintereinander angeordneten Rohrabschnitten o.dgl |
FR2450357A1 (fr) * | 1979-03-02 | 1980-09-26 | Bosch Gmbh Robert | Installation d'injection de carburant |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US90322A (en) * | 1869-05-18 | Island | ||
US45083A (en) * | 1864-11-15 | 1864-11-15 | Eduvart savoral | |
GB189705863A (en) * | 1897-03-05 | 1898-02-26 | Henry Walton Ludlow | Improvements in the Manufacture of certain kinds of Tubular Fork Sides for Cycle Construction. |
US3929109A (en) * | 1972-01-22 | 1975-12-30 | Noel Christopher Chamberlain | Leak-off pipe for fuel injection equipment |
US3930483A (en) * | 1974-06-24 | 1976-01-06 | Ford Motor Company | Apparatus for supplying fuel to a fuel-injected engine |
JPS555429A (en) * | 1978-06-23 | 1980-01-16 | Nissan Motor Co Ltd | Pressure regulator for fuel injection type gasoline engine |
DE2829057A1 (de) * | 1978-07-01 | 1980-01-10 | Bosch Gmbh Robert | Kraftstoffeinspritzanlage |
US4286563A (en) * | 1979-03-19 | 1981-09-01 | The Bendix Corporation | Fuel rail for an engine |
DE2926490A1 (de) * | 1979-06-30 | 1981-02-05 | Bosch Gmbh Robert | Kraftstoffeinspritzanlage |
JPS5634953A (en) * | 1979-08-31 | 1981-04-07 | Yamaha Motor Co Ltd | Fuel feed pipe for fuel injector |
DE3014066C2 (de) * | 1980-04-11 | 1986-12-04 | Bayerische Motoren Werke AG, 8000 München | Federklammer zur axialen Lagesicherung einer Kraftstoffeinspritzdüse bei deren Verbindung mit einer Kraftstoffverteilerleitung einer Brennkraftmaschine |
-
1981
- 1981-11-26 DE DE3146889A patent/DE3146889C2/de not_active Expired
-
1982
- 1982-11-03 EP EP82110106A patent/EP0080603B1/fr not_active Expired
- 1982-11-03 DE DE8282110106T patent/DE3262237D1/de not_active Expired
- 1982-11-24 JP JP57204691A patent/JPS5893957A/ja active Granted
- 1982-11-24 US US06/444,447 patent/US4474160A/en not_active Expired - Fee Related
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR906313A (fr) * | 1943-08-07 | 1945-12-31 | Junkers & Co | Conduite en tôle repliée pour robinets |
FR1369539A (fr) * | 1963-07-04 | 1964-08-14 | Sourdillon Ets | Perfectionnements apportés aux moyens pour fixer des dispositifs de robinetterie sur des plaques à conduits incorporés, pour cuisinières ou autres |
FR2153915A5 (fr) * | 1971-09-20 | 1973-05-04 | Bendix Corp | |
DE2833659A1 (de) * | 1978-08-01 | 1980-02-14 | Bayerische Motoren Werke Ag | Kraftstoff-verteiler fuer brennkraftmaschinen |
FR2450357A1 (fr) * | 1979-03-02 | 1980-09-26 | Bosch Gmbh Robert | Installation d'injection de carburant |
DE7918697U1 (de) * | 1979-06-29 | 1980-08-28 | Bayerische Motoren Werke Ag, 8000 Muenchen | Verbindung von zwei koaxial hintereinander angeordneten Rohrabschnitten o.dgl |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0235394A1 (fr) * | 1986-03-05 | 1987-09-09 | WALBRO CORPORATION (Corporation of Delaware) | Rail de combustible pour moteur à combustion interne |
FR2606458A1 (fr) * | 1986-11-07 | 1988-05-13 | Sharon Mfg Co | Agencement de tubulure pour injection de carburant dans un moteur a explosion |
EP0678669A1 (fr) * | 1994-04-21 | 1995-10-25 | Robert Bosch Gmbh | Dispositif d'injection de combustible |
EP3101263A1 (fr) * | 2015-06-03 | 2016-12-07 | Hörnlein Umformtechnik GmbH | Tuyau de distributeur de carburant et composant de vehicule automobile |
Also Published As
Publication number | Publication date |
---|---|
DE3146889C2 (de) | 1986-04-30 |
JPH0159429B2 (fr) | 1989-12-18 |
JPS5893957A (ja) | 1983-06-03 |
DE3146889A1 (de) | 1983-06-01 |
US4474160A (en) | 1984-10-02 |
EP0080603B1 (fr) | 1985-02-06 |
DE3262237D1 (en) | 1985-03-21 |
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