JP6027343B2 - オイルポンプのロータ - Google Patents
オイルポンプのロータ Download PDFInfo
- Publication number
- JP6027343B2 JP6027343B2 JP2012126214A JP2012126214A JP6027343B2 JP 6027343 B2 JP6027343 B2 JP 6027343B2 JP 2012126214 A JP2012126214 A JP 2012126214A JP 2012126214 A JP2012126214 A JP 2012126214A JP 6027343 B2 JP6027343 B2 JP 6027343B2
- Authority
- JP
- Japan
- Prior art keywords
- tooth
- side half
- driving
- region
- inner rotor
- 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.)
- Active
Links
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000009499 grossing Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
Images
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
- F04C2/10—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
-
- 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
- F04C2/084—Toothed wheels
-
- 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)
Description
さらに、周方向軸Jbの長さをLbとし、周方向軸Kbの長さをSbとすると、
及び
となる。
A2…非駆動側半歯領域、Qa…歯先頂点、Qb,Qc…歯底頂点、
M1,M2,M3,…歯形成形円、Ja,Jb…周方向軸、N1,N2,N3,…歯形成形円、
Ka,Kb…周方向軸。
Claims (3)
- 複数の楕円又は円を含む歯形から形成されるインナーロータと、該インナーロータの外側に配置され、該インナーロータの歯数より1歯多いアウターロータとからなるオイルポンプのロータにおいて、前記インナーロータの駆動側半歯領域の歯先頂点から歯底頂点までの形状と、非駆動側半歯領域の歯先頂点から歯底頂点までの形状とは異なる楕円又は円で形成されると共に、前記歯先頂点を形成する楕円又は円の周方向に沿う周方向軸の長さは、前記非駆動側半歯領域が前記駆動側半歯領域よりも大なることを特徴とするオイルポンプのロータ。
- 請求項1において、前記歯底頂点を形成する楕円又は円の周方向に沿う周方向軸は、前記非駆動側半歯領域が前記駆動側半歯領域よりも大なることを特徴とするオイルポンプのロータ。
- 複数の楕円又は円を含む歯形から形成されるインナーロータと、該インナーロータの外側に配置され、該インナーロータの歯数より1歯多いアウターロータとからなるオイルポンプのロータにおいて、前記インナーロータの駆動側半歯領域の歯先頂点から歯底頂点までの形状と、非駆動側半歯領域の歯先頂点から歯底頂点までの形状とは異なる楕円又は円で形成されると共に、前記歯先頂点を形成する楕円又は円の周方向に沿う周方向軸と、前記歯底頂点を形成する楕円又は円の周方向に沿う周方向軸との長さの和は、前記非駆動側半歯領域が前記駆動側半歯領域よりも大なることを特徴とするオイルポンプのロータ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012126214A JP6027343B2 (ja) | 2012-06-01 | 2012-06-01 | オイルポンプのロータ |
EP13169215.4A EP2669521B1 (en) | 2012-06-01 | 2013-05-24 | Rotor for oil pump |
US13/903,877 US9039397B2 (en) | 2012-06-01 | 2013-05-28 | Rotor for oil pump with different contours for the drive-side versus non-drive side of the teeth |
CN201310208244.4A CN103452837B (zh) | 2012-06-01 | 2013-05-30 | 油泵的转子 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2012126214A JP6027343B2 (ja) | 2012-06-01 | 2012-06-01 | オイルポンプのロータ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2013249803A JP2013249803A (ja) | 2013-12-12 |
JP6027343B2 true JP6027343B2 (ja) | 2016-11-16 |
Family
ID=48468184
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2012126214A Active JP6027343B2 (ja) | 2012-06-01 | 2012-06-01 | オイルポンプのロータ |
Country Status (4)
Country | Link |
---|---|
US (1) | US9039397B2 (ja) |
EP (1) | EP2669521B1 (ja) |
JP (1) | JP6027343B2 (ja) |
CN (1) | CN103452837B (ja) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104266063B (zh) * | 2014-09-24 | 2016-09-28 | 湖南大学 | 椭圆—圆弧复合摆线转子机油泵及其转子和转子设计方法 |
JP2018083579A (ja) * | 2016-11-25 | 2018-05-31 | トヨタ紡織株式会社 | 減速装置 |
DE102018103723A1 (de) * | 2018-02-20 | 2019-08-22 | Nidec Gpm Gmbh | Verzahnung für eine Gerotorpumpe und Verfahren zur geometrischen Bestimmung derselben |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2389728A (en) * | 1943-10-14 | 1945-11-27 | Myron F Hill | Elliptical contour for rotor teeth |
DE3026222A1 (de) * | 1980-07-10 | 1982-02-04 | Siegfried Alexander Dipl.-Ing. 7960 Aulendorf Eisenmann | Zahnringpumpe |
JPS618484A (ja) * | 1984-06-22 | 1986-01-16 | Mitsubishi Metal Corp | 内接型ギヤポンプ |
JPH0756268B2 (ja) * | 1987-07-27 | 1995-06-14 | 株式会社ユニシアジェックス | オイルポンプ |
JP2805769B2 (ja) * | 1988-09-30 | 1998-09-30 | スズキ株式会社 | オイルポンプ |
DE4138913C1 (ja) * | 1991-11-27 | 1993-06-09 | John S. Barnes Gmbh, 8670 Hof, De | |
MY120206A (en) * | 1996-01-17 | 2005-09-30 | Diamet Corp | Oil pump rotor |
JP2005194890A (ja) * | 2003-12-26 | 2005-07-21 | Mitsubishi Materials Corp | 内接型ギヤポンプ |
DE202004004231U1 (de) * | 2004-03-17 | 2005-07-28 | Härle, Hermann | Volumenstromveränderbare Verdrängerpumpe |
JP2006009616A (ja) * | 2004-06-23 | 2006-01-12 | Sumitomo Denko Shoketsu Gokin Kk | 内接歯車式ポンプ |
JP2009036194A (ja) * | 2007-07-06 | 2009-02-19 | Yamada Seisakusho Co Ltd | 内接歯車ポンプ |
GB0718903D0 (en) * | 2007-09-27 | 2007-11-07 | Delphi Tech Inc | Gerotor pump |
JP4691729B2 (ja) * | 2008-06-09 | 2011-06-01 | 住友電工焼結合金株式会社 | ポンプロータとそれを用いた内接歯車式ポンプ |
US9127671B2 (en) * | 2008-08-01 | 2015-09-08 | Aisin Seiki Kabushiki Kaisha | Oil pump including rotors that change eccentric positional relationship one-to another to adjust a discharge amount |
JP2011017318A (ja) | 2009-07-10 | 2011-01-27 | Sumitomo Electric Sintered Alloy Ltd | ポンプ用ロータとそれを用いた内接歯車ポンプ |
JP5886601B2 (ja) * | 2011-11-08 | 2016-03-16 | 株式会社山田製作所 | ポンプロータ |
-
2012
- 2012-06-01 JP JP2012126214A patent/JP6027343B2/ja active Active
-
2013
- 2013-05-24 EP EP13169215.4A patent/EP2669521B1/en active Active
- 2013-05-28 US US13/903,877 patent/US9039397B2/en active Active
- 2013-05-30 CN CN201310208244.4A patent/CN103452837B/zh active Active
Also Published As
Publication number | Publication date |
---|---|
US9039397B2 (en) | 2015-05-26 |
EP2669521A1 (en) | 2013-12-04 |
CN103452837B (zh) | 2016-06-29 |
CN103452837A (zh) | 2013-12-18 |
US20130323106A1 (en) | 2013-12-05 |
JP2013249803A (ja) | 2013-12-12 |
EP2669521B1 (en) | 2016-11-09 |
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