JP7155387B2 - ピストンポンプ、特に内燃機関の噴射システム用の高圧燃料ポンプ - Google Patents
ピストンポンプ、特に内燃機関の噴射システム用の高圧燃料ポンプ Download PDFInfo
- Publication number
- JP7155387B2 JP7155387B2 JP2021500567A JP2021500567A JP7155387B2 JP 7155387 B2 JP7155387 B2 JP 7155387B2 JP 2021500567 A JP2021500567 A JP 2021500567A JP 2021500567 A JP2021500567 A JP 2021500567A JP 7155387 B2 JP7155387 B2 JP 7155387B2
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- JP
- Japan
- Prior art keywords
- piston
- surface portion
- sliding surface
- working chamber
- guide element
- 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.)
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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
- F02M59/025—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 a single 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
- F02M59/44—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
- 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
- F04B15/00—Pumps adapted to handle specific fluids, e.g. by selection of specific materials for pumps or pump parts
-
- 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
- F04B19/00—Machines or pumps having pertinent characteristics not provided for in, or of interest apart from, groups F04B1/00 - F04B17/00
- F04B19/20—Other positive-displacement pumps
- F04B19/22—Other positive-displacement pumps of reciprocating-piston type
-
- 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
- F04B53/00—Component parts, details or accessories not provided for in, or of interest apart from, groups F04B1/00 - F04B23/00 or F04B39/00 - F04B47/00
- F04B53/14—Pistons, piston-rods or piston-rod connections
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Details Of Reciprocating Pumps (AREA)
- Fuel-Injection Apparatus (AREA)
- Compressor (AREA)
Description
本発明は、請求項1の上位概念部に記載のピストンポンプ、特に内燃機関の噴射システム用の高圧燃料ポンプに関する。
本発明の根底を成す問題は、請求項1の特徴部に記載の特徴を有するピストンポンプにより解決される。
Claims (3)
- ピストンポンプ(10)であって、ピストン(22)と、該ピストン(22)によって画定される作業室(24)とを備え、前記ピストン(22)は、摺動面部分(26)を有し、該摺動面部分(26)を介して前記ピストン(22)は、ガイドエレメント(28)によって案内されており、
前記ピストン(22)は、前記作業室(24)寄りの端部に前記作業室(24)内の燃料を圧縮するための圧縮部分(34)を有し、前記圧縮部分(34)には前記摺動面部分(26)が続いており、前記ピストン(22)は、前記作業室(24)とは反対の側の端部に操作部分(38)を有し、該操作部分(38)を介して前記ピストン(22)は駆動可能であり、前記圧縮部分(34)および前記操作部分(38)は、前記摺動面部分(26)に比べて減じられた横断面を有し、
前記圧縮部分(34)と前記摺動面部分(26)との間には第1の段部(42)が設けられており、前記操作部分(38)と前記摺動面部分(26)との間には第2の段部(43)が設けられている、
ピストンポンプ(10)において、
前記ピストン(22)の前記摺動面部分(26)は、その前記作業室(24)寄りの端部(32)に向かって横断面が縮小しており、前記摺動面部分(26)は、全体的に円錐状に形成されており、
前記ガイドエレメント(28)は、円筒状の内面(30)を有し、該内面(30)に、前記ピストン(22)の前記摺動面部分(26)が案内されている、
ことを特徴とする、ピストンポンプ(10)。 - 前記ガイドエレメント(28)は、前記ピストンポンプ(10)のハウジング(12)内に配置されたブシュ(28)として構成されていることを特徴とする、請求項1記載のピストンポンプ(10)。
- 前記ガイドエレメント(28)は、前記ピストンポンプ(10)のハウジング(12)に形成された孔として構成されていることを特徴とする、請求項1記載のピストンポンプ(10)。
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102018211638.5 | 2018-07-12 | ||
DE102018211638.5A DE102018211638A1 (de) | 2018-07-12 | 2018-07-12 | Kolbenpumpe, insbesondere Hochdruck-Kraftstoffpumpe für ein Einspritzsystem einer Brennkraftmaschine |
PCT/EP2019/062925 WO2020011433A1 (de) | 2018-07-12 | 2019-05-20 | Kolbenpumpe, insbesondere hochdruck-kraftstoffpumpe für ein einspritzsystem einer brennkraftmaschine |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2021531432A JP2021531432A (ja) | 2021-11-18 |
JP7155387B2 true JP7155387B2 (ja) | 2022-10-18 |
Family
ID=66625970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2021500567A Active JP7155387B2 (ja) | 2018-07-12 | 2019-05-20 | ピストンポンプ、特に内燃機関の噴射システム用の高圧燃料ポンプ |
Country Status (7)
Country | Link |
---|---|
US (1) | US20210277857A1 (ja) |
EP (1) | EP3821119A1 (ja) |
JP (1) | JP7155387B2 (ja) |
KR (1) | KR20210028648A (ja) |
CN (1) | CN112424467A (ja) |
DE (1) | DE102018211638A1 (ja) |
WO (1) | WO2020011433A1 (ja) |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10045281C1 (de) | 2000-09-13 | 2002-05-23 | Orange Gmbh | Hochdruckpumpe |
JP2005240724A (ja) | 2004-02-27 | 2005-09-08 | Mitsubishi Heavy Ind Ltd | 冷媒搬送ポンプ |
JP2010180783A (ja) | 2009-02-05 | 2010-08-19 | Denso Corp | 燃料供給装置 |
US20160298622A1 (en) | 2015-04-07 | 2016-10-13 | Caterpillar Inc. | Pump piston having variable diameter |
JP2017512938A (ja) | 2014-10-15 | 2017-05-25 | コンチネンタル オートモーティヴ ゲゼルシャフト ミット ベシュレンクテル ハフツングContinental Automotive GmbH | 燃料高圧ポンプ |
CN207406478U (zh) | 2017-10-26 | 2018-05-25 | 重庆红江机械有限责任公司 | 一种液压排气促动泵的二级柱塞 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CH319354A (de) * | 1952-12-02 | 1957-02-15 | Maihak Ag | Pumpe |
JPH09151832A (ja) * | 1995-11-29 | 1997-06-10 | Mitsubishi Heavy Ind Ltd | 内燃機関の燃料噴射ポンプ |
JPH10266970A (ja) * | 1997-03-21 | 1998-10-06 | Komatsu Ltd | 斜板式ピストンポンプ・モータのピストン |
DE102004012950A1 (de) * | 2004-03-17 | 2005-10-13 | Man B & W Diesel Ag | Hochdruck-Pumpenkolben-Zylindereinheit |
KR101350110B1 (ko) * | 2009-04-01 | 2014-01-09 | 퍼듀 리서치 파운데이션 | 파형 표면 형태를 갖는 포지티브 디스플레이스먼트 기계 피스톤 |
US9181944B2 (en) * | 2011-03-31 | 2015-11-10 | Denso Corporation | High pressure pump having unitary discharge and relief valve |
US8720317B2 (en) * | 2011-12-29 | 2014-05-13 | Etagen, Inc. | Methods and systems for managing a clearance gap in a piston engine |
GB201402535D0 (en) * | 2014-02-13 | 2014-04-02 | Delphi Int Operations Luxembourg Sarl | Fuel pump |
DE102014211591A1 (de) | 2014-06-17 | 2015-12-17 | Robert Bosch Gmbh | Kolbenpumpe, insbesondere Kraftstoffpumpe für ein Kraftstoffsystem für eine Brennkraftmaschine |
-
2018
- 2018-07-12 DE DE102018211638.5A patent/DE102018211638A1/de not_active Withdrawn
-
2019
- 2019-05-20 KR KR1020217000618A patent/KR20210028648A/ko not_active Application Discontinuation
- 2019-05-20 EP EP19725704.1A patent/EP3821119A1/de not_active Withdrawn
- 2019-05-20 JP JP2021500567A patent/JP7155387B2/ja active Active
- 2019-05-20 WO PCT/EP2019/062925 patent/WO2020011433A1/de unknown
- 2019-05-20 US US17/258,987 patent/US20210277857A1/en not_active Abandoned
- 2019-05-20 CN CN201980046623.3A patent/CN112424467A/zh active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10045281C1 (de) | 2000-09-13 | 2002-05-23 | Orange Gmbh | Hochdruckpumpe |
JP2005240724A (ja) | 2004-02-27 | 2005-09-08 | Mitsubishi Heavy Ind Ltd | 冷媒搬送ポンプ |
JP2010180783A (ja) | 2009-02-05 | 2010-08-19 | Denso Corp | 燃料供給装置 |
JP2017512938A (ja) | 2014-10-15 | 2017-05-25 | コンチネンタル オートモーティヴ ゲゼルシャフト ミット ベシュレンクテル ハフツングContinental Automotive GmbH | 燃料高圧ポンプ |
US20160298622A1 (en) | 2015-04-07 | 2016-10-13 | Caterpillar Inc. | Pump piston having variable diameter |
CN207406478U (zh) | 2017-10-26 | 2018-05-25 | 重庆红江机械有限责任公司 | 一种液压排气促动泵的二级柱塞 |
Also Published As
Publication number | Publication date |
---|---|
EP3821119A1 (de) | 2021-05-19 |
KR20210028648A (ko) | 2021-03-12 |
US20210277857A1 (en) | 2021-09-09 |
CN112424467A (zh) | 2021-02-26 |
DE102018211638A1 (de) | 2020-01-16 |
WO2020011433A1 (de) | 2020-01-16 |
JP2021531432A (ja) | 2021-11-18 |
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