JP5320079B2 - 燃料噴射ポンプ - Google Patents
燃料噴射ポンプ Download PDFInfo
- Publication number
- JP5320079B2 JP5320079B2 JP2009001094A JP2009001094A JP5320079B2 JP 5320079 B2 JP5320079 B2 JP 5320079B2 JP 2009001094 A JP2009001094 A JP 2009001094A JP 2009001094 A JP2009001094 A JP 2009001094A JP 5320079 B2 JP5320079 B2 JP 5320079B2
- Authority
- JP
- Japan
- Prior art keywords
- plunger
- fuel injection
- tappet
- chamber
- cam
- 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 - Fee Related
Links
- 239000000446 fuel Substances 0.000 title claims description 88
- 238000002347 injection Methods 0.000 title claims description 60
- 239000007924 injection Substances 0.000 title claims description 60
- 239000010687 lubricating oil Substances 0.000 claims description 37
- 230000002265 prevention Effects 0.000 claims description 21
- 238000009826 distribution Methods 0.000 claims description 19
- 230000005540 biological transmission Effects 0.000 claims description 15
- 230000002093 peripheral effect Effects 0.000 description 13
- 239000000758 substrate Substances 0.000 description 10
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 8
- 229910052799 carbon Inorganic materials 0.000 description 8
- 239000000779 smoke Substances 0.000 description 8
- 230000006866 deterioration Effects 0.000 description 7
- 238000002485 combustion reaction Methods 0.000 description 6
- 230000007704 transition Effects 0.000 description 5
- 239000000314 lubricant Substances 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000002828 fuel tank Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 238000013022 venting Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
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
- 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
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
- F02M59/102—Mechanical drive, e.g. tappets or cams
-
- 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
-
- 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
- F02M59/02—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type
- F02M59/10—Pumps specially adapted for fuel-injection and not provided for in groups F02M39/00 -F02M57/00, e.g. rotary cylinder-block type of pumps of reciprocating-piston or reciprocating-cylinder type characterised by the piston-drive
-
- 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
- F02M59/442—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 preventing fuel leakage around pump plunger, e.g. fluid barriers
-
- 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
- F04B1/0413—Cams
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
Description
11 プランジャバレル
10 プランジャ
15 加圧室
16 タペット室
19 バネ(付勢部材)
20 ローラタペット(タペット)
21 カム(カム部材)
23 カム室
26 伝達軸
27 ラック室
28 位置決め部材
30 気抜穴
31 流入防止部材
32 分配軸
36 被覆部材
204 飛散防止部材
212A カムトップ部
361 受け部
362A 気抜穴
Claims (2)
- プランジャバレル内にプランジャが往復摺動可能に設けられ、前記プランジャの一端と前記プランジャバレルとの間に燃料が加圧される加圧室が設けられる一方、前記プランジャの他端は、前記加圧室とは反対方向に前記プランジャバレルから突出してタペットに連動可能とされ、前記タペットは、カム部材による直接駆動により前記プランジャバレルおよび前記プランジャを収容するタペット室内を往復摺動可能とされる燃料噴射ポンプであって、
前記カム部材が配置されたカム室と前記プランジャを配置するラック室とを気抜穴によって連通するように構成し、該気抜穴内に潤滑油が流入することを防止する流入防止部材を備えたことを特徴とする燃料噴射ポンプ。 - 請求項1記載の燃料噴射ポンプにおいて、
前記燃料噴射ポンプには、加圧された燃料を分配する分配軸と該分配軸と同軸上に設けられて前記分配軸に動力を伝達する伝達軸とを設け、前記伝達軸には、軸方向の位置を位置決めする位置決め部材を備え、前記流入防止部材は、前記位置決め部材と共締めして取り付けられることを特徴とする燃料噴射ポンプ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009001094A JP5320079B2 (ja) | 2009-01-06 | 2009-01-06 | 燃料噴射ポンプ |
CN2009801530290A CN102272438B (zh) | 2009-01-06 | 2009-12-28 | 燃料喷射泵 |
KR1020117012977A KR101424744B1 (ko) | 2009-01-06 | 2009-12-28 | 연료 분사 펌프 |
PCT/JP2009/071785 WO2010079720A1 (ja) | 2009-01-06 | 2009-12-28 | 燃料噴射ポンプ |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2009001094A JP5320079B2 (ja) | 2009-01-06 | 2009-01-06 | 燃料噴射ポンプ |
Related Child Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2013035162A Division JP5592519B2 (ja) | 2013-02-25 | 2013-02-25 | 燃料噴射ポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2010159651A JP2010159651A (ja) | 2010-07-22 |
JP5320079B2 true JP5320079B2 (ja) | 2013-10-23 |
Family
ID=42316486
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2009001094A Expired - Fee Related JP5320079B2 (ja) | 2009-01-06 | 2009-01-06 | 燃料噴射ポンプ |
Country Status (4)
Country | Link |
---|---|
JP (1) | JP5320079B2 (ja) |
KR (1) | KR101424744B1 (ja) |
CN (1) | CN102272438B (ja) |
WO (1) | WO2010079720A1 (ja) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP5437031B2 (ja) * | 2009-11-20 | 2014-03-12 | ヤンマー株式会社 | 燃料噴射ポンプ |
JP5535009B2 (ja) * | 2010-08-31 | 2014-07-02 | ヤンマー株式会社 | 燃料噴射ポンプ |
KR101144504B1 (ko) | 2010-10-20 | 2012-05-11 | 현대중공업 주식회사 | 가변 압력실을 가지는 연료분사펌프 |
DE102013212047A1 (de) * | 2013-06-25 | 2015-01-08 | Robert Bosch Gmbh | Pumpvorrichtung, insbesondere Kraftstoffhochdruckpumpvorrichtung für eine Kraftstoffeinspritzeinrichtung |
WO2015116230A1 (en) | 2014-02-03 | 2015-08-06 | Cummins Inc. | Camshaft thrust control secured by drive gear |
KR102140352B1 (ko) | 2015-03-19 | 2020-07-31 | 현대중공업 주식회사 | 인젝션 타이밍 조절수단을 구비한 연료분사펌프 |
JP6411313B2 (ja) * | 2015-11-26 | 2018-10-24 | ヤンマー株式会社 | 燃料噴射ポンプ |
JP7120081B2 (ja) * | 2019-03-01 | 2022-08-17 | 株式会社デンソー | 燃料噴射ポンプ |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2810335A1 (de) * | 1978-03-10 | 1979-09-13 | Kloeckner Humboldt Deutz Ag | Kraftstoffeinspritzpumpe fuer brennkraftmaschinen |
CN2031040U (zh) * | 1988-03-26 | 1989-01-18 | 国家机械工业委员会无锡油泵油嘴研究所 | 内燃机喷油泵 |
JP2639036B2 (ja) * | 1988-12-28 | 1997-08-06 | 株式会社デンソー | 可変吐出量高圧ポンプ |
JPH0327876U (ja) * | 1989-07-27 | 1991-03-20 | ||
DE4227853C2 (de) * | 1992-08-22 | 1996-05-30 | Bosch Gmbh Robert | Kraftstoffeinspritzpumpe für Brennkraftmaschinen |
JP3750203B2 (ja) * | 1996-07-12 | 2006-03-01 | 株式会社デンソー | 高圧サプライポンプ |
JPH10141178A (ja) * | 1996-11-12 | 1998-05-26 | Denso Corp | 高圧燃料ポンプ |
JPH10159681A (ja) * | 1996-12-03 | 1998-06-16 | Yanmar Diesel Engine Co Ltd | 燃料噴射ポンプ駆動装置 |
JP4037986B2 (ja) * | 1999-03-11 | 2008-01-23 | ヤンマー株式会社 | 燃料噴射ポンプ構造 |
JP4210025B2 (ja) * | 2000-08-23 | 2009-01-14 | ヤンマー株式会社 | 燃料噴射ポンプ |
DE60313945T2 (de) * | 2003-03-11 | 2008-03-06 | Sony Ericsson Mobile Communications Ab | Mehrband-Frequenzsynthetisierer |
JP4081429B2 (ja) * | 2003-11-14 | 2008-04-23 | ヤンマー株式会社 | 燃料噴射ポンプ |
-
2009
- 2009-01-06 JP JP2009001094A patent/JP5320079B2/ja not_active Expired - Fee Related
- 2009-12-28 CN CN2009801530290A patent/CN102272438B/zh not_active Expired - Fee Related
- 2009-12-28 WO PCT/JP2009/071785 patent/WO2010079720A1/ja active Application Filing
- 2009-12-28 KR KR1020117012977A patent/KR101424744B1/ko active IP Right Grant
Also Published As
Publication number | Publication date |
---|---|
CN102272438A (zh) | 2011-12-07 |
CN102272438B (zh) | 2013-06-19 |
KR20110101145A (ko) | 2011-09-15 |
JP2010159651A (ja) | 2010-07-22 |
KR101424744B1 (ko) | 2014-08-01 |
WO2010079720A1 (ja) | 2010-07-15 |
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