WO2009044812A1 - サプライポンプ - Google Patents
サプライポンプ Download PDFInfo
- Publication number
- WO2009044812A1 WO2009044812A1 PCT/JP2008/067936 JP2008067936W WO2009044812A1 WO 2009044812 A1 WO2009044812 A1 WO 2009044812A1 JP 2008067936 W JP2008067936 W JP 2008067936W WO 2009044812 A1 WO2009044812 A1 WO 2009044812A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- plunger
- supply pump
- pressurization chamber
- suction port
- plunger barrel
- Prior art date
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
- F02M59/44—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
- F02M59/447—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 means specially adapted to limit fuel delivery or to supply excess of fuel temporarily, e.g. for starting of the engine
-
- 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
- F02M59/46—Valves
- F02M59/462—Delivery valves
-
- 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
- F04B1/0421—Cylinders
-
- 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
- F04B1/0452—Distribution members, e.g. valves
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
Abstract
コンパクト性を維持しながら、加工工数および加工コストの低減が可能なサプライポンプを提供することを課題とする。プランジャバレル3と、前記プランジャバレル3内に往復動自在に設けられるプランジャ4と、前記プランジャバレル3とプランジャ4との間に形成される加圧室25と、前記加圧室25に燃料を吸入可能とする第一吸入ポート41および第二吸入ポート42と、前記加圧室25から燃料を吐出可能とする燃料吐出通路32と、を備えるサプライポンプ1において、前記プランジャ4が下死点となる位置で、前記プランジャバレル3内に前記プランジャ4の軸心方向に対して略直交する方向に設けた前記第二吸入ポート42と、前記プランジャバレル3の内周面に設けた環状溝51とが、前記加圧室25と連通する構成とするサプライポンプ1。
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2007262423A JP5020767B2 (ja) | 2007-10-05 | 2007-10-05 | サプライポンプ |
JP2007-262423 | 2007-10-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009044812A1 true WO2009044812A1 (ja) | 2009-04-09 |
Family
ID=40526236
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2008/067936 WO2009044812A1 (ja) | 2007-10-05 | 2008-10-02 | サプライポンプ |
Country Status (2)
Country | Link |
---|---|
JP (1) | JP5020767B2 (ja) |
WO (1) | WO2009044812A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111480000A (zh) * | 2017-12-26 | 2020-07-31 | 日立汽车系统株式会社 | 燃料供给泵 |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103114947A (zh) * | 2013-02-06 | 2013-05-22 | 福建省莆田市中涵机动力有限公司 | 共轨泵进出油组合阀 |
JPWO2019151062A1 (ja) * | 2018-02-02 | 2021-01-28 | 株式会社日立ハイテク | 液体クロマトグラフ |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6473166A (en) * | 1987-09-16 | 1989-03-17 | Nippon Denso Co | Variable discharge high pressure pump |
JPH1182237A (ja) * | 1997-09-05 | 1999-03-26 | Denso Corp | 燃料供給装置 |
JPH11173240A (ja) * | 1997-12-10 | 1999-06-29 | Denso Corp | 燃料噴射ポンプ |
JP2001207937A (ja) * | 1999-12-27 | 2001-08-03 | Detroit Diesel Corp | 組合せ式初期噴射及びピーク噴射圧力調節器を具備する燃料噴射器組立体 |
JP2002054531A (ja) * | 2000-08-11 | 2002-02-20 | Bosch Automotive Systems Corp | ピストン式高圧ポンプ |
JP2003314408A (ja) * | 2002-04-19 | 2003-11-06 | Nissan Motor Co Ltd | 内燃機関の燃料ポンプ |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH051638A (ja) * | 1991-06-21 | 1993-01-08 | Komatsu Ltd | 燃料噴射装置 |
-
2007
- 2007-10-05 JP JP2007262423A patent/JP5020767B2/ja not_active Expired - Fee Related
-
2008
- 2008-10-02 WO PCT/JP2008/067936 patent/WO2009044812A1/ja active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6473166A (en) * | 1987-09-16 | 1989-03-17 | Nippon Denso Co | Variable discharge high pressure pump |
JPH1182237A (ja) * | 1997-09-05 | 1999-03-26 | Denso Corp | 燃料供給装置 |
JPH11173240A (ja) * | 1997-12-10 | 1999-06-29 | Denso Corp | 燃料噴射ポンプ |
JP2001207937A (ja) * | 1999-12-27 | 2001-08-03 | Detroit Diesel Corp | 組合せ式初期噴射及びピーク噴射圧力調節器を具備する燃料噴射器組立体 |
JP2002054531A (ja) * | 2000-08-11 | 2002-02-20 | Bosch Automotive Systems Corp | ピストン式高圧ポンプ |
JP2003314408A (ja) * | 2002-04-19 | 2003-11-06 | Nissan Motor Co Ltd | 内燃機関の燃料ポンプ |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111480000A (zh) * | 2017-12-26 | 2020-07-31 | 日立汽车系统株式会社 | 燃料供给泵 |
CN111480000B (zh) * | 2017-12-26 | 2021-12-10 | 日立安斯泰莫株式会社 | 燃料供给泵 |
Also Published As
Publication number | Publication date |
---|---|
JP5020767B2 (ja) | 2012-09-05 |
JP2009091956A (ja) | 2009-04-30 |
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