CN114901940A - 燃料高压泵 - Google Patents
燃料高压泵 Download PDFInfo
- Publication number
- CN114901940A CN114901940A CN202080089684.0A CN202080089684A CN114901940A CN 114901940 A CN114901940 A CN 114901940A CN 202080089684 A CN202080089684 A CN 202080089684A CN 114901940 A CN114901940 A CN 114901940A
- Authority
- CN
- China
- Prior art keywords
- section
- pressure
- low
- chamber
- fuel pump
- 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.)
- Pending
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
- 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
- F04B1/0408—Pistons
-
- 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
- F04B1/0439—Supporting or guiding means for the pistons
-
- 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
- F04B1/053—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinders in star- or fan-arrangement with actuating or actuated elements at the inner ends of the 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
- F04B23/00—Pumping installations or systems
- F04B23/04—Combinations of two or more pumps
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Fuel-Injection Apparatus (AREA)
- Details Of Reciprocating Pumps (AREA)
- Electromagnetic Pumps, Or The Like (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102019220525 | 2019-12-23 | ||
DE102019220525.9 | 2019-12-23 | ||
DE102020200596.6 | 2020-01-20 | ||
DE102020200596.6A DE102020200596A1 (de) | 2019-12-23 | 2020-01-20 | Kraftstoff-Hochdruckpumpe |
PCT/EP2020/079325 WO2021129966A1 (de) | 2019-12-23 | 2020-10-19 | Kraftstoff-hochdruckpumpe |
Publications (1)
Publication Number | Publication Date |
---|---|
CN114901940A true CN114901940A (zh) | 2022-08-12 |
Family
ID=76205669
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN202080089684.0A Pending CN114901940A (zh) | 2019-12-23 | 2020-10-19 | 燃料高压泵 |
Country Status (6)
Country | Link |
---|---|
EP (1) | EP4081707A1 (ko) |
JP (1) | JP2023508380A (ko) |
KR (1) | KR20220113530A (ko) |
CN (1) | CN114901940A (ko) |
DE (1) | DE102020200596A1 (ko) |
WO (1) | WO2021129966A1 (ko) |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004063075B4 (de) | 2004-12-28 | 2015-11-26 | Robert Bosch Gmbh | Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine mit einem Stufenkolben und einem Mengensteuerventil |
JP5352646B2 (ja) * | 2011-01-27 | 2013-11-27 | 株式会社日本自動車部品総合研究所 | 高圧ポンプ |
CN104870802B (zh) | 2012-12-20 | 2018-11-02 | 罗伯特·博世有限公司 | 用于内燃机的活塞燃料泵 |
DE102017212498A1 (de) | 2017-07-20 | 2019-01-24 | Robert Bosch Gmbh | Kolbenpumpe, insbesondere Kraftstoff-Hochdruckpumpe für eine Brennkraftmaschine |
-
2020
- 2020-01-20 DE DE102020200596.6A patent/DE102020200596A1/de active Pending
- 2020-10-19 KR KR1020227025173A patent/KR20220113530A/ko unknown
- 2020-10-19 JP JP2022538865A patent/JP2023508380A/ja not_active Withdrawn
- 2020-10-19 CN CN202080089684.0A patent/CN114901940A/zh active Pending
- 2020-10-19 WO PCT/EP2020/079325 patent/WO2021129966A1/de unknown
- 2020-10-19 EP EP20793647.7A patent/EP4081707A1/de not_active Withdrawn
Also Published As
Publication number | Publication date |
---|---|
JP2023508380A (ja) | 2023-03-02 |
DE102020200596A1 (de) | 2021-06-24 |
WO2021129966A1 (de) | 2021-07-01 |
KR20220113530A (ko) | 2022-08-12 |
EP4081707A1 (de) | 2022-11-02 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
PB01 | Publication | ||
PB01 | Publication | ||
SE01 | Entry into force of request for substantive examination | ||
SE01 | Entry into force of request for substantive examination |