JP5681571B2 - オイルポンプ - Google Patents
オイルポンプ Download PDFInfo
- Publication number
- JP5681571B2 JP5681571B2 JP2011126786A JP2011126786A JP5681571B2 JP 5681571 B2 JP5681571 B2 JP 5681571B2 JP 2011126786 A JP2011126786 A JP 2011126786A JP 2011126786 A JP2011126786 A JP 2011126786A JP 5681571 B2 JP5681571 B2 JP 5681571B2
- Authority
- JP
- Japan
- Prior art keywords
- groove portion
- rotor
- suction
- teeth
- discharge
- 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
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
- 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
- F04C2/088—Elements in the toothed wheels or the carter for relieving the pressure of fluid imprisoned in the zones of engagement
-
- 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
- F04C15/0003—Sealing arrangements in rotary-piston machines or pumps
- F04C15/0023—Axial sealings for working fluid
- F04C15/0026—Elements specially adapted for sealing of the lateral faces of intermeshing-engagement type machines or pumps, e.g. gear machines or pumps
-
- 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
- F04C2/10—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
- F04C2/103—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 one member having simultaneously a rotational movement about its own axis and an orbital movement
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Rotary Pumps (AREA)
- Details And Applications Of Rotary Liquid Pumps (AREA)
Description
21…吸入溝部、3…吐出ポート、3t…終端側、31…吐出溝部、
4…インナーロータ、41…外歯、5…アウターロータ、51…内歯、S…セル。
Claims (4)
- 吸入ポートと吐出ポートとを有するロータ室と、該ロータ室に収納される内歯を有するアウターロータと、外歯を有するインナーロータとからなり、前記吸入ポートの始端側と前記吐出ポートの終端側との間の仕切り面を第1シールランドとし、該第1シールランド上で且つ前記インナーロータの外歯とアウターロータの内歯とは最深噛合い状態にて形成されるセルが通過する位置に、前記吸入ポートの始端側から前記吐出ポートの終端側に向かって突出する吸入溝部が形成され、前記吐出ポートの終端側から前記吸入ポートの始端側に向かって突出する吐出溝部が形成されると共に、前記吸入溝部及び前記吐出溝部は、前記インナーロータの外歯とアウターロータの内歯との噛合い箇所における歯の高さ方向の中間に位置してなることを特徴とするオイルポンプ。
- 請求項1において、前記吐出溝部は、前記吸入溝部よりも長く形成されてなることを特徴とするトロコイド型オイルポンプ。
- 請求項1において、前記吸入溝部は、前記吐出溝部よりも長く形成されてなることを特徴とするトロコイド型オイルポンプ。
- 請求項1において、前記吸入溝部は、前記吐出溝部とは長さが等しく形成されてなることを特徴とするトロコイド型オイルポンプ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011126786A JP5681571B2 (ja) | 2011-06-06 | 2011-06-06 | オイルポンプ |
EP12170457.1A EP2532894B1 (en) | 2011-06-06 | 2012-06-01 | Oil pump |
CN2012101780872A CN102817830A (zh) | 2011-06-06 | 2012-06-01 | 油泵 |
US13/488,237 US9309883B2 (en) | 2011-06-06 | 2012-06-04 | Oil pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011126786A JP5681571B2 (ja) | 2011-06-06 | 2011-06-06 | オイルポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2012251523A JP2012251523A (ja) | 2012-12-20 |
JP5681571B2 true JP5681571B2 (ja) | 2015-03-11 |
Family
ID=46245477
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2011126786A Expired - Fee Related JP5681571B2 (ja) | 2011-06-06 | 2011-06-06 | オイルポンプ |
Country Status (4)
Country | Link |
---|---|
US (1) | US9309883B2 (ja) |
EP (1) | EP2532894B1 (ja) |
JP (1) | JP5681571B2 (ja) |
CN (1) | CN102817830A (ja) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2014125907A (ja) * | 2012-12-25 | 2014-07-07 | Nippon Soken Inc | 回転式ポンプおよびそれを備えたブレーキ装置 |
JP6163830B2 (ja) * | 2013-03-29 | 2017-07-19 | 株式会社ジェイテクト | ポンプ |
JP6236958B2 (ja) * | 2013-07-24 | 2017-11-29 | 株式会社ジェイテクト | ギヤポンプ |
DE102015004984A1 (de) * | 2015-04-18 | 2016-10-20 | Man Truck & Bus Ag | Innenzahnradpumpe und Fahrzeug mit einer Innenzahnradpumpe |
JP6380299B2 (ja) * | 2015-08-26 | 2018-08-29 | 株式会社デンソー | 燃料ポンプ |
JP7021532B2 (ja) * | 2017-12-22 | 2022-02-17 | 株式会社アイシン | 可変オイルポンプ |
Family Cites Families (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB1278050A (en) * | 1968-07-12 | 1972-06-14 | Rotax Ltd | Flameproof enclosures |
US4199305A (en) * | 1977-10-13 | 1980-04-22 | Lear Siegler, Inc. | Hydraulic Gerotor motor with balancing grooves and seal pressure relief |
JPS60195989U (ja) * | 1984-06-07 | 1985-12-27 | 株式会社不二越 | 内接ギヤポンプ |
JPH041350Y2 (ja) * | 1986-03-25 | 1992-01-17 | ||
CA2029609C (en) * | 1990-11-13 | 1995-01-03 | Eric Cozens | Pulse tuned optimized positive displacement porting |
DE4330586A1 (de) * | 1993-03-05 | 1994-09-08 | Eisenmann Siegfried A | Innenzahnradpumpe für großen Drehzahlbereich |
EP0619430B1 (de) * | 1993-03-05 | 1997-07-23 | Siegfried A. Dipl.-Ing. Eisenmann | Innenzahnradpumpe für grossen Drehzahlbereich |
JP3373907B2 (ja) * | 1993-08-31 | 2003-02-04 | 豊興工業株式会社 | 内接歯車ポンプ |
US5466137A (en) * | 1994-09-15 | 1995-11-14 | Eaton Corporation | Roller gerotor device and pressure balancing arrangement therefor |
JP3943826B2 (ja) * | 2000-11-09 | 2007-07-11 | 株式会社日立製作所 | オイルポンプ |
JP3819768B2 (ja) * | 2001-11-29 | 2006-09-13 | アイシン・エィ・ダブリュ株式会社 | 歯車ポンプおよびこれを用いた変速機 |
JP4169724B2 (ja) * | 2003-07-17 | 2008-10-22 | 株式会社山田製作所 | トロコイド型オイルポンプ |
JP4319617B2 (ja) * | 2004-12-27 | 2009-08-26 | 株式会社山田製作所 | トロコイド型オイルポンプ |
KR101304075B1 (ko) * | 2005-06-22 | 2013-09-05 | 에스티티 테크놀로지스 인크., 어 조인트 벤쳐 오브 마그나 파워트레인 인크. 앤드 에스하베 게엠베하 | 개선된 유입 포트를 가진 기어 펌프 |
JP2010096011A (ja) * | 2008-10-14 | 2010-04-30 | Sumitomo Electric Sintered Alloy Ltd | 内接歯車式ポンプ |
-
2011
- 2011-06-06 JP JP2011126786A patent/JP5681571B2/ja not_active Expired - Fee Related
-
2012
- 2012-06-01 CN CN2012101780872A patent/CN102817830A/zh active Pending
- 2012-06-01 EP EP12170457.1A patent/EP2532894B1/en not_active Not-in-force
- 2012-06-04 US US13/488,237 patent/US9309883B2/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP2532894B1 (en) | 2015-04-01 |
JP2012251523A (ja) | 2012-12-20 |
CN102817830A (zh) | 2012-12-12 |
US9309883B2 (en) | 2016-04-12 |
EP2532894A1 (en) | 2012-12-12 |
US20120308423A1 (en) | 2012-12-06 |
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