JP2005146995A - オイルポンプ - Google Patents
オイルポンプ Download PDFInfo
- Publication number
- JP2005146995A JP2005146995A JP2003386128A JP2003386128A JP2005146995A JP 2005146995 A JP2005146995 A JP 2005146995A JP 2003386128 A JP2003386128 A JP 2003386128A JP 2003386128 A JP2003386128 A JP 2003386128A JP 2005146995 A JP2005146995 A JP 2005146995A
- Authority
- JP
- Japan
- Prior art keywords
- oil
- discharge port
- chamber
- pump
- pulse pressure
- 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
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Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C15/00—Component parts, details or accessories of machines, pumps or pumping installations, not provided for in groups F04C2/00 - F04C14/00
- F04C15/0042—Systems for the equilibration of forces acting on the machines or pump
- F04C15/0049—Equalization of pressure pulses
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/082—Details specially related to intermeshing engagement type machines or pumps
- F04C2/086—Carter
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04C—ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; ROTARY-PISTON, OR OSCILLATING-PISTON, POSITIVE-DISPLACEMENT PUMPS
- F04C2/00—Rotary-piston machines or pumps
- F04C2/08—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing
- F04C2/10—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member
- F04C2/102—Rotary-piston machines or pumps of intermeshing-engagement type, i.e. with engagement of co-operating members similar to that of toothed gearing of internal-axis type with the outer member having more teeth or tooth-equivalents, e.g. rollers, than the inner member the two members rotating simultaneously around their respective axes
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Abstract
【解決手段】 エンジンの駆動によって複数のポンプ室14の容積を連続的に増減変化させ、吸入ポート15から吸い込んだオイルを吐出ポート16に吐出する。このようなオイルポンプ1において、オイルチャンバ18を設け、そのオイルチャンバ18を同チャンバ18の鉛直上方側位置にて連通孔17によって吐出ポート16に導通させる。吐出ポート16の脈圧はオイルチャンバ18によって低減する。オイルチャンバ18は吐出ポート16に鉛直上部で導通しているため、吐出ポート16のオイルが抜け落ちてもチャンバ18内のオイルは保持される。
【選択図】 図1
Description
14…ポンプ室
15…吸入ポート
16…吐出ポート
17…連通孔(オイル流入口)
18…オイルチャンバ
18a…内部上壁
Claims (3)
- エンジンによる駆動によって複数のポンプ室が連続的に容積を増減変化させ、吸入ポートで吸い込んだオイルを加圧して吐出ポートから吐出するオイルポンプにおいて、
オイルが流入するオイルチャンバを設け、そのオイルチャンバのオイル流入口を同チャンバの鉛直上方側位置にて前記吐出ポートに連通させたことを特徴とするオイルポンプ。 - 前記オイルチャンバの内部上壁を、オイル流入口が鉛直上方側になるように水平方向に対して傾斜させたことを特徴とする請求項1に記載のオイルポンプ。
- 前記オイル流入口の吐出ポートに臨む部位を、表面張力によってオイルが保持される開口面積にしたことを特徴とする請求項1または2に記載のオイルポンプ。
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003386128A JP4328184B2 (ja) | 2003-11-17 | 2003-11-17 | オイルポンプ |
US10/985,898 US7361002B2 (en) | 2003-11-17 | 2004-11-12 | Oil pump |
CNB2004100947281A CN100526646C (zh) | 2003-11-17 | 2004-11-17 | 油泵 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003386128A JP4328184B2 (ja) | 2003-11-17 | 2003-11-17 | オイルポンプ |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2008183297A Division JP2008248893A (ja) | 2008-07-15 | 2008-07-15 | オイルポンプ |
JP2009069309A Division JP4933577B2 (ja) | 2009-03-23 | 2009-03-23 | オイルポンプ |
Publications (3)
Publication Number | Publication Date |
---|---|
JP2005146995A true JP2005146995A (ja) | 2005-06-09 |
JP2005146995A5 JP2005146995A5 (ja) | 2008-08-28 |
JP4328184B2 JP4328184B2 (ja) | 2009-09-09 |
Family
ID=34567398
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2003386128A Expired - Fee Related JP4328184B2 (ja) | 2003-11-17 | 2003-11-17 | オイルポンプ |
Country Status (3)
Country | Link |
---|---|
US (1) | US7361002B2 (ja) |
JP (1) | JP4328184B2 (ja) |
CN (1) | CN100526646C (ja) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007016698A (ja) * | 2005-07-08 | 2007-01-25 | Hitachi Ltd | オイルポンプ |
JP2007263072A (ja) * | 2006-03-29 | 2007-10-11 | Honda Motor Co Ltd | オイル脈動圧低減構造が設けられた機械 |
JP2007278183A (ja) * | 2006-04-07 | 2007-10-25 | Hitachi Ltd | オイルポンプ |
US7845920B2 (en) | 2006-03-24 | 2010-12-07 | Honda Motor Co., Ltd. | Oil pump |
JP2012026391A (ja) * | 2010-07-26 | 2012-02-09 | Hitachi Automotive Systems Ltd | オイルポンプ |
JP2021085405A (ja) * | 2019-11-29 | 2021-06-03 | 株式会社アイシン | オイルポンプ |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005146994A (ja) * | 2003-11-17 | 2005-06-09 | Hitachi Ltd | オイルポンプ |
JP4426542B2 (ja) * | 2006-03-30 | 2010-03-03 | 株式会社山田製作所 | リリーフバルブ |
KR101262559B1 (ko) * | 2011-06-09 | 2013-05-08 | 현대자동차주식회사 | 엔진 오일펌프 |
CN105992874B (zh) * | 2014-02-14 | 2018-07-17 | 星转股份有限公司 | 摆线转子泵压缩机和膨胀机的性能改善 |
CN107476842B (zh) * | 2016-08-29 | 2019-12-20 | 北汽福田汽车股份有限公司 | 一种机油泵驱动结构、汽车发动机及车辆 |
GB201614962D0 (en) * | 2016-09-02 | 2016-10-19 | Thermofluidics Ltd | Suction Pumps |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2887960A (en) * | 1955-11-23 | 1959-05-26 | Tobias Jordan | Automatic hydraulic transmission |
US4233003A (en) * | 1978-10-10 | 1980-11-11 | Jeng Wang Shing | Rotary pump |
JPS56129795A (en) * | 1980-03-12 | 1981-10-12 | Nippon Soken Inc | Rotary compressor |
KR870700121A (ko) * | 1985-01-15 | 1987-03-14 | 발터어·라이문트 라우에 | 날개구간형 펌프 |
JPH0243482U (ja) | 1988-09-19 | 1990-03-26 | ||
JP3155642B2 (ja) * | 1993-02-22 | 2001-04-16 | 株式会社ユニシアジェックス | 内接型オイルポンプ |
JP3943826B2 (ja) * | 2000-11-09 | 2007-07-11 | 株式会社日立製作所 | オイルポンプ |
US6739850B2 (en) * | 2001-10-25 | 2004-05-25 | Kyosan Denki Co., Ltd. | Motor-type fuel pump for vehicle |
US6974315B2 (en) * | 2003-02-18 | 2005-12-13 | Harley-Davidson Motor Company Group, Inc. | Reduced friction gerotor |
US7637725B2 (en) * | 2004-10-25 | 2009-12-29 | Ford Global Technologies | Variable output gerotor pump |
-
2003
- 2003-11-17 JP JP2003386128A patent/JP4328184B2/ja not_active Expired - Fee Related
-
2004
- 2004-11-12 US US10/985,898 patent/US7361002B2/en active Active
- 2004-11-17 CN CNB2004100947281A patent/CN100526646C/zh not_active Expired - Fee Related
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2007016698A (ja) * | 2005-07-08 | 2007-01-25 | Hitachi Ltd | オイルポンプ |
US7845920B2 (en) | 2006-03-24 | 2010-12-07 | Honda Motor Co., Ltd. | Oil pump |
JP2007263072A (ja) * | 2006-03-29 | 2007-10-11 | Honda Motor Co Ltd | オイル脈動圧低減構造が設けられた機械 |
US7392780B2 (en) | 2006-03-29 | 2008-07-01 | Honda Motor Co., Ltd. | Machine provided with pulsating oil pressure reducing device |
JP4593505B2 (ja) * | 2006-03-29 | 2010-12-08 | 本田技研工業株式会社 | オイル脈動圧低減構造が設けられた機械 |
JP2007278183A (ja) * | 2006-04-07 | 2007-10-25 | Hitachi Ltd | オイルポンプ |
JP2012026391A (ja) * | 2010-07-26 | 2012-02-09 | Hitachi Automotive Systems Ltd | オイルポンプ |
JP2021085405A (ja) * | 2019-11-29 | 2021-06-03 | 株式会社アイシン | オイルポンプ |
Also Published As
Publication number | Publication date |
---|---|
JP4328184B2 (ja) | 2009-09-09 |
US20050106053A1 (en) | 2005-05-19 |
CN100526646C (zh) | 2009-08-12 |
US7361002B2 (en) | 2008-04-22 |
CN1637295A (zh) | 2005-07-13 |
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