JPH10500466A - 内燃機関の燃料噴射弁 - Google Patents
内燃機関の燃料噴射弁Info
- Publication number
- JPH10500466A JPH10500466A JP8527156A JP52715696A JPH10500466A JP H10500466 A JPH10500466 A JP H10500466A JP 8527156 A JP8527156 A JP 8527156A JP 52715696 A JP52715696 A JP 52715696A JP H10500466 A JPH10500466 A JP H10500466A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- fuel injection
- valve body
- conical
- injection valve
- 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
- 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
-
- 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
- F02M61/04—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00 having valves, e.g. having a plurality of valves in series
- F02M61/10—Other injectors with elongated valve bodies, i.e. of needle-valve 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
- F02M61/00—Fuel-injectors not provided for in groups F02M39/00 - F02M57/00 or F02M67/00
- F02M61/14—Arrangements of injectors with respect to engines; Mounting of injectors
-
- 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
Abstract
Description
Claims (1)
- 【特許請求の範囲】 1.内燃機関の燃料噴射弁であって、 弁保持体(25)に緊締された弁本体(19)を有し、該弁本体内には、弁エ レメント(27)が案内孔(29)内に軸方向に移動可能に案内されておりかつ 上記案内孔(29、43)に半径方向に拡張された圧力室(51)が接続してい て、該圧力室内に、案内孔(29、43)に並んで弁本体(19)中に延びてい る供給通路(59)が開口しており、かつ、 締めナット(23)が設けられていて、該締めナットが内側の円錐形に形成さ れた環状肩(65)で、弁本体(19)の、圧力室(51)の高さに配置された 円錐状段部(67)に当接して該円錐状段部を弁保持体(25)に締め付けてお り、かつ、 軸方向で弁保持体(25)に作用する締め込み装置(11)が設けられていて 、該締め込み装置が、締めナット(23)の、弁保持体(25)側とは反対側の 端面に形成された当接面(9)を内燃機関のケーシング(5)内に形成された対 応ストッパ(7)に当接させることによって、燃料噴射弁を緊締する形式のもの において、 締めナット(23)の当接面(9)及び内燃機関のケーシング(5)内の対応 ストッパ(7)が、軸方向緊締力の他に、半径方向の緊締力成分が、圧力室(5 1)の高さにおける弁本体(19)へ伝達されるように、円錐形に形成されてい ることを特徴とする、内燃機関の燃料噴射弁。 2.弁本体(19)の円錐形の環状段部(65)の面、締めナット(23)の 円錐形の当接面(9)及び円錐形の環状肩(65)並びにケーシング(5)の対 応ストッパ(7)が、これらに対する垂線が案内孔(29、43)の、圧力室( 51)内へ移行する移行部へ向かって延びるように、形成されていることを特徴 とする、請求項1記載の燃料噴射弁。 3.弁本体(19)の円錐形の環状段部(65)、締めナット(23)の円錐 形の当接面(9)及び円錐形の環状肩(65)並びにケーシング(5)の円錐形 の対応ストッパ(7)が、それぞれ、燃料噴射弁の、弁エレメント(27)の軸 線に直交する半径方向平面(69)に対して、等しい傾斜角度(α、β)をなし て傾斜していることを特徴とする、請求項1記載の燃料噴射弁。 4.傾斜角度(α、β)が半径方向平面(69)に対して10°〜60°の範 囲にあることを特徴とする、請求項3記載の燃料噴射弁。 5.傾斜角度(α、β)が半径方向平面(69)に対して、有利には、30° であることを特徴とする、請求項4記載の燃料噴射弁。 6.締めナット(23)の円錐形の環状肩(65) 及びケーシング(5)内の円錐形の対応ストッパ(7)が中空円錐台形に、かつ 弁本体の(19)円錐形の環状段部(67)及び締めナット(23)の円錐形の 当接面(9)が円錐台形に形成されていることを特徴とする、請求項1記載の燃 料噴射弁。 7.締め込み装置(11)が内燃機関のケーシング(5)に向かって軸方向に 弁保持体(25)に作用する構造部分(15)を有し、該構造部分自体がケーシ ング(5)内へねじはめられる少なくとも1つの固定部材、有利には締めねじ( 17)によって軸方向で弁保持体(25)に対して緊締されることを特徴とする 、請求項1記載の燃料噴射弁。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19508636.8 | 1995-03-10 | ||
DE19508636A DE19508636A1 (de) | 1995-03-10 | 1995-03-10 | Kraftstoffeinspritzventil für Brennkraftmaschinen |
PCT/DE1996/000203 WO1996028656A1 (de) | 1995-03-10 | 1996-02-09 | Kraftstoffeinspritzventil für brennkraftmaschinen |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH10500466A true JPH10500466A (ja) | 1998-01-13 |
JP3625840B2 JP3625840B2 (ja) | 2005-03-02 |
Family
ID=7756305
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP52715696A Expired - Lifetime JP3625840B2 (ja) | 1995-03-10 | 1996-02-09 | 内燃機関の燃料噴射弁 |
Country Status (6)
Country | Link |
---|---|
US (1) | US5746181A (ja) |
EP (1) | EP0783626B1 (ja) |
JP (1) | JP3625840B2 (ja) |
CN (1) | CN1065589C (ja) |
DE (2) | DE19508636A1 (ja) |
WO (1) | WO1996028656A1 (ja) |
Families Citing this family (17)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2311558A (en) * | 1996-03-28 | 1997-10-01 | Stanadyne Automotive Corp | Fuel injection nozzle with compressive radial pre-loading |
DE19808660A1 (de) * | 1998-03-02 | 1999-10-07 | Siemens Ag | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE19850387A1 (de) * | 1998-11-02 | 2000-05-04 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
GB9824735D0 (en) * | 1998-11-12 | 1999-01-06 | Lucas Ind Plc | Injector and injector assembly |
DE19902282A1 (de) * | 1999-01-21 | 2000-08-17 | Siemens Ag | Injektor für eine Einspritzanlage einer Brennkraftmaschine |
DE19947194A1 (de) | 1999-10-01 | 2001-04-05 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE10018663A1 (de) | 2000-04-14 | 2001-10-25 | Siemens Ag | Einspritzventil mit optimierter Flächengeometrie zwischen einem Düsenkörper und einer Spannmutter |
DE10044933A1 (de) * | 2000-09-12 | 2002-03-21 | Bosch Gmbh Robert | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE10115325A1 (de) * | 2001-03-28 | 2002-10-17 | Bosch Gmbh Robert | Kraftstoff-Einspritzvorrichtung, insbesondere Injektor, für Brennkraftmaschinen |
EP1399668B1 (de) | 2001-06-13 | 2006-11-08 | Robert Bosch Gmbh | Kraftstoffeinspritzventil für brennkraftmaschinen |
DE10202722A1 (de) * | 2002-01-24 | 2003-11-27 | Siemens Ag | Düsenspannmutter für Einspritzventil sowie Verfahren zur Herstellung der Düsenspannmutter |
DE10215980B4 (de) | 2002-04-11 | 2008-03-27 | Siemens Ag | Leckageanschluss für einen Kraftstoffinjektor |
DE10346845B4 (de) | 2003-10-09 | 2022-07-07 | Robert Bosch Gmbh | Kraftstoffeinspritzventil für Brennkraftmaschinen |
DE602006012963D1 (de) * | 2006-07-27 | 2010-04-29 | Magneti Marelli Spa | Kraftstoffeinspritzventil für eine direkteinspritzende Brennkraftmaschine |
DE102012211009A1 (de) | 2012-06-27 | 2014-01-02 | Robert Bosch Gmbh | Kraftstoffinjektor für eine Verbrennungskraftmaschine |
DE102013226817A1 (de) * | 2013-12-20 | 2015-06-25 | Robert Bosch Gmbh | Hydraulikaggregat |
FI126534B (en) * | 2014-12-17 | 2017-01-31 | Waertsilae Finland Oy | Reinforcing device and method for increasing the fatigue strength of a chamber chamber element |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1834058A (en) * | 1928-11-16 | 1931-12-01 | Westinghouse Electric & Mfg Co | Injection nozzle |
US3695235A (en) * | 1970-08-26 | 1972-10-03 | Mcculloch Corp | Heat seal for fuel injection nozzles |
JPH0660609B2 (ja) * | 1986-03-07 | 1994-08-10 | 工業技術院長 | ディーゼル機関の燃料噴射ノズルボディー |
JPS62210158A (ja) * | 1986-03-10 | 1987-09-16 | Nippon Ee B S Kk | 2系統型アンチスキツドブレ−キ液圧制御装置 |
JP2537983Y2 (ja) * | 1990-12-21 | 1997-06-04 | 株式会社ゼクセル | 燃料噴射ノズル |
DE4329774A1 (de) * | 1993-09-03 | 1995-03-09 | Bosch Gmbh Robert | Vorrichtung zur Befestigung und Sicherung eines Ventils |
DE4332118A1 (de) * | 1993-09-22 | 1995-03-23 | Bosch Gmbh Robert | Brennstoffeinspritzvorrichtung |
US5394850A (en) * | 1993-11-19 | 1995-03-07 | Siemens Electric Limited | Top-feed fuel injector mounting in an integrated air-fuel system |
DE4413914A1 (de) * | 1994-04-21 | 1995-10-26 | Bosch Gmbh Robert | Brennstoffeinspritzeinrichtung |
US5499612A (en) * | 1994-10-03 | 1996-03-19 | Caterpillar Inc. | Dual-function clamping assembly adapted for a hydraulically-actuated fuel injector |
FR2727722A1 (fr) * | 1994-12-01 | 1996-06-07 | Magneti Marelli France | Jupe de dispersion de carburant, pour injecteur d'un moteur a injection |
-
1995
- 1995-03-10 DE DE19508636A patent/DE19508636A1/de not_active Withdrawn
-
1996
- 1996-02-09 CN CN96190009A patent/CN1065589C/zh not_active Expired - Lifetime
- 1996-02-09 DE DE59605793T patent/DE59605793D1/de not_active Expired - Lifetime
- 1996-02-09 EP EP96901242A patent/EP0783626B1/de not_active Expired - Lifetime
- 1996-02-09 WO PCT/DE1996/000203 patent/WO1996028656A1/de active IP Right Grant
- 1996-02-09 US US08/737,327 patent/US5746181A/en not_active Expired - Lifetime
- 1996-02-09 JP JP52715696A patent/JP3625840B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
DE59605793D1 (de) | 2000-09-28 |
CN1065589C (zh) | 2001-05-09 |
WO1996028656A1 (de) | 1996-09-19 |
DE19508636A1 (de) | 1996-09-12 |
EP0783626A1 (de) | 1997-07-16 |
US5746181A (en) | 1998-05-05 |
CN1146791A (zh) | 1997-04-02 |
EP0783626B1 (de) | 2000-08-23 |
JP3625840B2 (ja) | 2005-03-02 |
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