JP6248844B2 - 可変容量型ピストンポンプ - Google Patents
可変容量型ピストンポンプ Download PDFInfo
- Publication number
- JP6248844B2 JP6248844B2 JP2014145926A JP2014145926A JP6248844B2 JP 6248844 B2 JP6248844 B2 JP 6248844B2 JP 2014145926 A JP2014145926 A JP 2014145926A JP 2014145926 A JP2014145926 A JP 2014145926A JP 6248844 B2 JP6248844 B2 JP 6248844B2
- Authority
- JP
- Japan
- Prior art keywords
- swash plate
- inclination angle
- pressing force
- piston
- reference line
- 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
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Classifications
-
- 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
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/28—Control of machines or pumps with stationary cylinders
- F04B1/29—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block
- F04B1/295—Control of machines or pumps with stationary cylinders by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
-
- 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
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/20—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F04B1/2014—Details or component parts
- F04B1/2078—Swash plates
-
- 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
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/30—Control of machines or pumps with rotary cylinder blocks
- F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
-
- 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
- F04B1/12—Multi-cylinder machines or pumps characterised by number or arrangement of cylinders having cylinder axes coaxial with, or parallel or inclined to, main shaft axis
- F04B1/26—Control
- F04B1/30—Control of machines or pumps with rotary cylinder blocks
- F04B1/32—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block
- F04B1/324—Control of machines or pumps with rotary cylinder blocks by varying the relative positions of a swash plate and a cylinder block by changing the inclination of the swash plate
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
Description
Claims (2)
- 回転軸と一体的に回転するシリンダブロック内のピストンが、斜板の傾角に応じたストロークの往復動をおこなって、作動流体の吸入および吐出をおこなう可変容量型ピストンポンプであって、
前記斜板は、前記ピストンの一端部がシューを介して摺接する摺接面を有するとともに、前記ピストンのストロークを規定する傾角を変更可能とするように回動中心周りに回動可能に配置され、
前記斜板の摺接面に対して一側に配置され、前記一側から前記斜板の被押圧部を押圧して、前記斜板の傾角を前記作動流体の吐出容量が最大となる最大傾角と前記作動流体の吐出容量が最小となる最小傾角との間で調整し、一方向に沿って押圧力を作用させる押圧部と、
前記斜板の摺接面に対して他側に配置され、前記斜板の前記被押圧部を前記摺接面の一側の向きに付勢する斜板復帰バネと、
を備え、
前記被押圧部は、前記斜板の傾角が前記最大傾角であるときに前記押圧部の押圧力が作用する位置である第1の作用位置と、前記斜板の傾角が前記最小傾角であるときに前記押圧部の押圧力が作用する位置である第2の作用位置とを有し、
前記押圧部の押圧力が作用する方向に対して平行であり、且つ、前記斜板の回動中心を通る直線を平行基準線とし、前記平行基準線と直交し、且つ、前記斜板の前記回動中心を通る直線を垂直基準線としたときに、前記第1の作用位置と前記第2の作用位置との間を、前記垂直基準線が通過する位置関係を有し、
前記第1の作用位置と前記第2の作用位置との中点を、前記垂直基準線が通過する位置関係を有する、可変容量型ピストンポンプ。 - 前記押圧部は、前記回転軸に対して平行に配置されている、請求項1に記載の可変容量型ピストンポンプ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014145926A JP6248844B2 (ja) | 2014-07-16 | 2014-07-16 | 可変容量型ピストンポンプ |
PCT/JP2015/069135 WO2016009846A1 (ja) | 2014-07-16 | 2015-07-02 | 可変容量型ピストンポンプ |
EP15821409.8A EP3171022B8 (en) | 2014-07-16 | 2015-07-02 | Variable capacity piston pump |
US15/326,061 US20170211555A1 (en) | 2014-07-16 | 2015-07-02 | Variable capacity piston pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2014145926A JP6248844B2 (ja) | 2014-07-16 | 2014-07-16 | 可変容量型ピストンポンプ |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2016023548A JP2016023548A (ja) | 2016-02-08 |
JP6248844B2 true JP6248844B2 (ja) | 2017-12-20 |
Family
ID=55078344
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2014145926A Active JP6248844B2 (ja) | 2014-07-16 | 2014-07-16 | 可変容量型ピストンポンプ |
Country Status (4)
Country | Link |
---|---|
US (1) | US20170211555A1 (ja) |
EP (1) | EP3171022B8 (ja) |
JP (1) | JP6248844B2 (ja) |
WO (1) | WO2016009846A1 (ja) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102018208069A1 (de) * | 2018-05-23 | 2019-11-28 | Robert Bosch Gmbh | Axialkolbenmaschine mit Ausnehmung im Bereich des Stelldruckkanals |
Family Cites Families (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2945449A (en) * | 1954-06-03 | 1960-07-19 | Bendix Aviat Corp | Hydraulic control pump |
US2915985A (en) * | 1957-06-20 | 1959-12-08 | New York Air Brake Co | Pump |
GB1010652A (en) * | 1961-01-06 | 1965-11-24 | Council Scient Ind Res | Improvements in swash plate type hydraulic pumps or motors |
US3489094A (en) * | 1966-08-16 | 1970-01-13 | Donald R Vaughan | Pressure responsive control apparatus |
US3753627A (en) * | 1971-04-09 | 1973-08-21 | E Ward | Pump bypass liquid control |
JPH0437263Y2 (ja) * | 1987-01-30 | 1992-09-02 | ||
US4723892A (en) * | 1987-03-19 | 1988-02-09 | Cowan Philip L | Constant power variable volume pump |
JPH036073U (ja) * | 1989-06-05 | 1991-01-22 | ||
JP2633725B2 (ja) * | 1990-07-24 | 1997-07-23 | 日立建機株式会社 | 可変容量型斜板式液圧回転機 |
JPH0518350A (ja) * | 1991-07-08 | 1993-01-26 | Nippondenso Co Ltd | 可変容量型アキシヤルピストン機械の容量制御装置 |
JPH05133321A (ja) * | 1991-11-07 | 1993-05-28 | Toyota Autom Loom Works Ltd | 可変容量型ピストンポンプ |
JPH084658A (ja) * | 1994-06-15 | 1996-01-09 | Toyota Autom Loom Works Ltd | 可変容量型ピストンポンプ |
JPH08100759A (ja) * | 1994-09-29 | 1996-04-16 | Toyota Autom Loom Works Ltd | 可変容量ピストンポンプ |
DE19755386C2 (de) * | 1997-12-12 | 1999-10-21 | Brueninghaus Hydromatik Gmbh | Hydrostatische Maschine mit einer drehbar gelagerten Zylindertrommel und einer einstellbaren Schwenkscheibe |
DE10325842A1 (de) * | 2003-06-06 | 2005-01-05 | Brueninghaus Hydromatik Gmbh | Reversierbare Axialkolbenmaschine mit Längsverstellung |
JP2005201175A (ja) * | 2004-01-16 | 2005-07-28 | Hitachi Constr Mach Co Ltd | 可変容量型斜板式液圧回転機 |
-
2014
- 2014-07-16 JP JP2014145926A patent/JP6248844B2/ja active Active
-
2015
- 2015-07-02 WO PCT/JP2015/069135 patent/WO2016009846A1/ja active Application Filing
- 2015-07-02 EP EP15821409.8A patent/EP3171022B8/en active Active
- 2015-07-02 US US15/326,061 patent/US20170211555A1/en not_active Abandoned
Also Published As
Publication number | Publication date |
---|---|
EP3171022A4 (en) | 2017-07-05 |
US20170211555A1 (en) | 2017-07-27 |
WO2016009846A1 (ja) | 2016-01-21 |
JP2016023548A (ja) | 2016-02-08 |
EP3171022B8 (en) | 2021-03-31 |
EP3171022A1 (en) | 2017-05-24 |
EP3171022B1 (en) | 2020-12-16 |
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