JPS5851054U - 燃料噴射装置 - Google Patents
燃料噴射装置Info
- Publication number
- JPS5851054U JPS5851054U JP1981148026U JP14802681U JPS5851054U JP S5851054 U JPS5851054 U JP S5851054U JP 1981148026 U JP1981148026 U JP 1981148026U JP 14802681 U JP14802681 U JP 14802681U JP S5851054 U JPS5851054 U JP S5851054U
- Authority
- JP
- Japan
- Prior art keywords
- injection
- pressure
- pump chamber
- fuel
- plunger
- 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
- 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
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/36—Varying fuel delivery in quantity or timing by variably-timed valves controlling fuel passages to pumping elements or overflow passages
- F02M59/366—Valves being actuated electrically
-
- 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
- F02M57/00—Fuel-injectors combined or associated with other devices
- F02M57/02—Injectors structurally combined with fuel-injection pumps
- F02M57/022—Injectors structurally combined with fuel-injection pumps characterised by the pump drive
- F02M57/023—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical
- F02M57/024—Injectors structurally combined with fuel-injection pumps characterised by the pump drive mechanical with hydraulic link for varying the piston stroke
-
- 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
- F02M59/20—Varying fuel delivery in quantity or timing
- F02M59/32—Varying fuel delivery in quantity or timing fuel delivery being controlled by means of fuel-displaced auxiliary pistons, which effect injection
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Fuel-Injection Apparatus (AREA)
- High-Pressure Fuel Injection Pump Control (AREA)
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。
め要約のデータは記録されません。
Description
図面は本考案の一実施例を示し、第1図は全体の流路系
統図、−第2図は燃料噴射ユニットの断面図である。 1・・・・・・燃料噴射ユニット、10・・・・・・圧
送シリンダ、11・・・・・・噴射シリンダ、15・・
・・・・噴射ノズル、16・・・・・・圧送プランジャ
、17・・・・・・圧送ポンプ室、21・・・・・・タ
イミングポート、30・・・・・・燃料戻し通路、33
・・・・・・タイミング電磁弁(閉止機構)、40・・
・・・・噴射プランジャ、41・・・・・・噴射ポンプ
室、55・・・・・・調量電磁弁(調量装置)、63・
・・・・・排出弁(排出機構)。
統図、−第2図は燃料噴射ユニットの断面図である。 1・・・・・・燃料噴射ユニット、10・・・・・・圧
送シリンダ、11・・・・・・噴射シリンダ、15・・
・・・・噴射ノズル、16・・・・・・圧送プランジャ
、17・・・・・・圧送ポンプ室、21・・・・・・タ
イミングポート、30・・・・・・燃料戻し通路、33
・・・・・・タイミング電磁弁(閉止機構)、40・・
・・・・噴射プランジャ、41・・・・・・噴射ポンプ
室、55・・・・・・調量電磁弁(調量装置)、63・
・・・・・排出弁(排出機構)。
Claims (1)
- 圧送シリンダ内にエンジンと同期して作動される圧送プ
ランジャを嵌挿して圧送ポンプ室を形成するとともに、
この圧送ポンプ室に連なる噴射シリンダ内に上記圧送ポ
ンプ室内の油圧によって駆動される噴射プランジャを収
容して噴甜ポンプ室を形成し、該噴射ポンプ室を噴射ノ
ズルに連通し、この噴射ポンプ室内に調量装置によって
予め必要噴射量が調量された燃料を送り込み、上記圧送
ポンプ室と連通された燃料戻し通路にエンジンの最適噴
射時期に該燃料戻し通路を閉止する閉止機構を設け、か
つ上記噴射プランジャの噴射終期作動時にこれに連動し
て前記圧送ポンプ室内の高圧燃料を排出する排出機構を
設けたことを特徴とする燃料噴射装置。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981148026U JPS5851054U (ja) | 1981-10-05 | 1981-10-05 | 燃料噴射装置 |
US06/423,308 US4489886A (en) | 1981-10-05 | 1982-09-24 | Fuel injection apparatus |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP1981148026U JPS5851054U (ja) | 1981-10-05 | 1981-10-05 | 燃料噴射装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS5851054U true JPS5851054U (ja) | 1983-04-06 |
JPS6120303Y2 JPS6120303Y2 (ja) | 1986-06-18 |
Family
ID=15443445
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP1981148026U Granted JPS5851054U (ja) | 1981-10-05 | 1981-10-05 | 燃料噴射装置 |
Country Status (2)
Country | Link |
---|---|
US (1) | US4489886A (ja) |
JP (1) | JPS5851054U (ja) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3823827A1 (de) * | 1988-07-14 | 1990-01-18 | Bosch Gmbh Robert | Kraftstoffeinspritzeinrichtung fuer brennkraftmaschinen, insbesondere pumpeduese |
US5042445A (en) * | 1988-09-23 | 1991-08-27 | Cummins Engine Company, Inc. | Electronic controlled fuel supply system for high pressure injector |
GB8828157D0 (en) * | 1988-12-02 | 1989-01-05 | Lucas Ind Plc | Fuel injection nozzles |
DE4004610A1 (de) * | 1989-04-21 | 1990-10-25 | Bosch Gmbh Robert | Kraftstoffeinspritzanlage, insbesondere pumpeduese, fuer brennkraftmaschinen |
AU6785994A (en) * | 1993-05-06 | 1994-12-12 | Cummins Engine Company Inc. | Variable displacement high pressure pump for common rail fuel injection systems |
US5441027A (en) * | 1993-05-24 | 1995-08-15 | Cummins Engine Company, Inc. | Individual timing and injection fuel metering system |
GB9404260D0 (en) * | 1994-03-05 | 1994-04-20 | Lucas Ind Plc | Fuel injection nozzles |
US6749130B2 (en) * | 2000-12-08 | 2004-06-15 | Caterpillar Inc | Check line valve faster venting method |
GB2553484A (en) * | 2016-04-26 | 2018-03-14 | Delphi Int Operations Luxembourg Sarl | High pressure diesel pump |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2788246A (en) * | 1956-06-27 | 1957-04-09 | Alco Products Inc | Fuel injectors |
JPS50726A (ja) * | 1973-05-02 | 1975-01-07 | ||
US4129254A (en) * | 1977-09-12 | 1978-12-12 | General Motors Corporation | Electromagnetic unit fuel injector |
US4129253A (en) * | 1977-09-12 | 1978-12-12 | General Motors Corporation | Electromagnetic unit fuel injector |
US4235374A (en) * | 1979-01-25 | 1980-11-25 | The Bendix Corporation | Electronically controlled diesel unit injector |
JPS56146056A (en) * | 1980-04-14 | 1981-11-13 | Nippon Denso Co Ltd | Fuel injection device |
JPS56167846A (en) * | 1980-05-30 | 1981-12-23 | Nippon Denso Co Ltd | Fuel injection apparatus |
US4399793A (en) * | 1982-03-25 | 1983-08-23 | Deere & Company | Fuel injector |
-
1981
- 1981-10-05 JP JP1981148026U patent/JPS5851054U/ja active Granted
-
1982
- 1982-09-24 US US06/423,308 patent/US4489886A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
JPS6120303Y2 (ja) | 1986-06-18 |
US4489886A (en) | 1984-12-25 |
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