WO2012114589A1 - 可変容量型油圧ポンプ・モータ - Google Patents
可変容量型油圧ポンプ・モータ Download PDFInfo
- Publication number
- WO2012114589A1 WO2012114589A1 PCT/JP2011/076556 JP2011076556W WO2012114589A1 WO 2012114589 A1 WO2012114589 A1 WO 2012114589A1 JP 2011076556 W JP2011076556 W JP 2011076556W WO 2012114589 A1 WO2012114589 A1 WO 2012114589A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- sliding
- swash plate
- shaft
- casing
- oil passage
- Prior art date
Links
Images
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
- F04B1/20—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
- F04B1/2085—Bearings for swash plates or driving axles
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F03C1/0644—Component parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/06—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis
- F03C1/0636—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinder axes generally coaxial with, or parallel or inclined to, main shaft axis having rotary cylinder block
- F03C1/0644—Component parts
- F03C1/0668—Swash or actuated plate
- F03C1/0671—Swash or actuated plate bearing means or driven axis bearing means
-
- 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
- F04B1/122—Details or component parts, e.g. valves, sealings or lubrication means
-
- 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
- F04B1/2035—Cylinder barrels
-
- 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
- F04B1/2064—Housings
-
- 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
- F04B1/22—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 having two or more sets of cylinders or 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
- 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
-
- 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
- F04B53/18—Lubricating
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05B—INDEXING SCHEME RELATING TO WIND, SPRING, WEIGHT, INERTIA OR LIKE MOTORS, TO MACHINES OR ENGINES FOR LIQUIDS COVERED BY SUBCLASSES F03B, F03D AND F03G
- F05B2210/00—Working fluid
- F05B2210/10—Kind or type
- F05B2210/11—Kind or type liquid, i.e. incompressible
Abstract
Description
11b 装着孔
20 回転軸
20C 回転軸心
21 本体側ベアリング
21A 収容空間
21a テーパローラ
30 斜板
32 摺動凹部
33 第1摺動面
40 シリンダブロック
50 ボールリテーナ(支持体)
51 軸部
52 摺動凸部
53 貫通油路
54 潤滑溝
56 連絡油路
80 ピストン
Claims (4)
- ケーシングに回転可能に支持された回転軸と、
前記回転軸の軸心を中心とする円周上に複数のシリンダを有し、前記回転軸と一体に回転するシリンダブロックと、
前記シリンダブロックのシリンダにそれぞれ移動可能に配設した複数のピストンと、
前記シリンダブロックに設けたシリンダの開口に対向する位置に一対の支持体を介して前記ケーシングに傾動可能に配設し、前記シリンダブロックに対向する摺動面を介して各ピストンの基端部に摺動可能に係合する斜板と
を備え、前記斜板に対して前記シリンダブロックが回転した場合に前記斜板の傾転角に応じて前記ピストンが行程移動する可変容量型油圧ポンプ・モータにおいて、
前記ケーシングは、前記支持体の近傍に前記回転軸を回転可能に支持させるベアリングを備えたものであり、
前記支持体は、軸部の先端に球状を成す摺動凸部を有し、かつ前記軸部の外表面から前記摺動凸部の外周面に至る部位に貫通油路を形成したものであり、軸部を介して前記ケーシングの装着孔に嵌合されるとともに、貫通油路の開口を覆う状態で前記摺動凸部を介して前記斜板の摺動凹部に摺動可能に嵌合しており、
前記ケーシングに前記ベアリングを収容する収容空間から前記装着孔の間に連絡油路を形成し、かつこの連絡油路を前記軸部の貫通油路に連通させ、
さらに、前記支持体の摺動凸部と前記斜板の摺動凹部との間には、摺動凸部における貫通油路の開口を摺動凸部と摺動凹部との摺接域外に常時連通させるための潤滑溝を形成したことを特徴とする可変容量型油圧ポンプ・モータ。 - 前記潤滑溝は、前記支持体の軸部を中心として螺旋を描くように摺動凸部に形成したことを特徴とする請求項1に記載の可変容量型油圧ポンプ・モータ。
- 前記ケーシングと前記回転軸との間に介在するベアリングは、前記斜板に近接する端部が太径となるテーパローラを備えたテーパローラベアリングであることを特徴とする請求項1に記載の可変容量型油圧ポンプ・モータ。
- 前記支持体は、円柱状を成す軸部の先端に前記摺動凸部を有したものであり、前記軸部の軸心上となる位置に貫通油路を設けたことを特徴とする請求項1に記載の可変容量型油圧ポンプ・モータ。
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE112011101456.2T DE112011101456B4 (de) | 2011-02-23 | 2011-11-17 | Hydraulikpumpe/-motor mit variabler Verstellung und einem Verbindungsölpfad zwischen einem Kegelrollenlager einer Antriebswelle und einem Lager einer ver-stellbaren Taumelscheibe/Schrägscheibe |
CN201180022970.6A CN102893027B (zh) | 2011-02-23 | 2011-11-17 | 可变容量型液压泵·马达 |
US13/696,984 US9410540B2 (en) | 2011-02-23 | 2011-11-17 | Variable displacement hydraulic motor/pump |
KR1020127028970A KR101242826B1 (ko) | 2011-02-23 | 2011-11-17 | 가변 용량형 유압 펌프·모터 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2011-037707 | 2011-02-23 | ||
JP2011037707A JP4934749B1 (ja) | 2011-02-23 | 2011-02-23 | 可変容量型油圧ポンプ・モータ |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2012114589A1 true WO2012114589A1 (ja) | 2012-08-30 |
Family
ID=46395294
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2011/076556 WO2012114589A1 (ja) | 2011-02-23 | 2011-11-17 | 可変容量型油圧ポンプ・モータ |
Country Status (6)
Country | Link |
---|---|
US (1) | US9410540B2 (ja) |
JP (1) | JP4934749B1 (ja) |
KR (1) | KR101242826B1 (ja) |
CN (1) | CN102893027B (ja) |
DE (1) | DE112011101456B4 (ja) |
WO (1) | WO2012114589A1 (ja) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150068394A1 (en) * | 2013-09-06 | 2015-03-12 | Robert Bosch Gmbh | Hydrostatic Variable Displacement Axial Piston Machine, in particular Hydrostatic Variable Displacement Axial Piston Motor |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP3020967B1 (en) * | 2014-11-11 | 2017-09-27 | Danfoss A/S | Pump device |
US10006449B2 (en) | 2015-01-14 | 2018-06-26 | Caterpillar Inc. | Bearing arrangement for cryogenic pump |
US9719499B2 (en) * | 2015-01-16 | 2017-08-01 | Hamilton Sundstrand Corporation | Slipper retainer ball for hydraulic unit |
US9863408B2 (en) * | 2015-01-16 | 2018-01-09 | Hamilton Sundstrand Corporation | Slipper retainer for hydraulic unit |
DE102016214425A1 (de) * | 2015-08-26 | 2017-03-02 | Robert Bosch Gmbh | Hydrostatische Axialkolbenmaschine |
FR3062178B1 (fr) | 2017-01-25 | 2019-06-07 | IFP Energies Nouvelles | Pompe a barillet avec plateau oscillant |
JP6913527B2 (ja) * | 2017-06-22 | 2021-08-04 | 株式会社小松製作所 | 油圧ポンプおよびモータ |
CN108361165B (zh) * | 2018-04-09 | 2019-08-13 | 李涌权 | 容量可调型流体泵 |
JP7128753B2 (ja) * | 2019-01-24 | 2022-08-31 | Kyb株式会社 | 液圧回転機 |
JP7033101B2 (ja) * | 2019-03-26 | 2022-03-09 | Kyb株式会社 | 液圧回転機、及びシール構造の製造方法 |
KR102249159B1 (ko) | 2019-06-14 | 2021-05-07 | 한국하이액트지능기술 주식회사 | 유체 펌프 |
CN110848106A (zh) * | 2019-12-27 | 2020-02-28 | 燕山大学 | 多路进油全流量自冷却双端面配流斜盘型轴向柱塞泵 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002013611A (ja) * | 2000-06-29 | 2002-01-18 | Yanmar Diesel Engine Co Ltd | 油圧式無段変速装置の斜板軸受潤滑構造 |
JP2003139045A (ja) * | 2001-11-05 | 2003-05-14 | Uchida Hydraulics Co Ltd | 斜板式油圧ポンプ |
JP2006207445A (ja) * | 2005-01-27 | 2006-08-10 | Komatsu Ltd | 斜板、同斜板を用いた可変容量型液圧回転機及び潤滑溝の加工方法 |
JP2008101581A (ja) * | 2006-10-20 | 2008-05-01 | Hitachi Constr Mach Co Ltd | 斜軸式液圧回転機 |
JP2008232118A (ja) * | 2007-03-23 | 2008-10-02 | Komatsu Ltd | 軸受潤滑装置 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2240118A (en) * | 1937-10-19 | 1941-04-29 | Mack Mfg Corp | Oiling device for driving pinion bearings |
CH383779A (de) * | 1959-09-12 | 1964-10-31 | Thoma Hans Dr Prof | Hydraulische Kolbenmaschine |
US3154353A (en) * | 1960-07-23 | 1964-10-27 | Philips Corp | Axial thrust bearing for rotary shafts |
US3183849A (en) * | 1962-05-10 | 1965-05-18 | Hydro Kinetics Inc | Variable displacement pump |
AU2371770A (en) | 1970-02-12 | 1972-06-29 | Sperry Rand Corporation | Power transmission |
AT311131B (de) * | 1970-04-24 | 1973-10-25 | List Hans | Einzylinder-Brennkraftmaschine |
US3639018A (en) * | 1970-10-07 | 1972-02-01 | Rolamite Inc | Tapered roller bearing assembly |
GB1457487A (en) * | 1974-06-19 | 1976-12-01 | Leduc G | Hydraulic swash plate pumps |
DE3743125A1 (de) | 1987-12-18 | 1989-07-06 | Brueninghaus Hydraulik Gmbh | Axialkolbenpumpe |
DE3942189C1 (ja) * | 1989-12-20 | 1991-09-05 | Hydromatik Gmbh, 7915 Elchingen, De | |
FR2664661B1 (fr) * | 1990-07-10 | 1994-06-17 | Messier Bugatti | Machine tournante hydraulique. |
US5399026A (en) * | 1992-12-21 | 1995-03-21 | The Timken Company | Bearing with lubricating ring for providing supplemental lubrication |
JP3874308B2 (ja) * | 1994-10-18 | 2007-01-31 | 株式会社小松製作所 | 斜板式ピストンポンプ・モータの斜板角度変更装置 |
US5590579A (en) * | 1995-10-31 | 1997-01-07 | Eaton Corporation | Hydrostatic pump and bearing-clocking mechanism therefor |
DE19613609C2 (de) * | 1996-04-04 | 2000-02-17 | Brueninghaus Hydromatik Gmbh | Axialkolbenmaschine mit internem Spülkreislauf |
US6095766A (en) * | 1998-07-29 | 2000-08-01 | Brown; Albert W. | Fuel transfer pump |
US6406271B1 (en) * | 1999-05-06 | 2002-06-18 | Ingo Valentin | Swashplate type axial-piston pump |
DE10035630C1 (de) * | 2000-07-21 | 2002-03-14 | Brueninghaus Hydromatik Gmbh | Axialkolbenmaschine mit einer Rückzugeinrichtung |
EP1281881B1 (en) * | 2001-03-16 | 2019-10-30 | Taiho Kogyo Co., Ltd | Sliding material |
JP2006207745A (ja) * | 2005-01-31 | 2006-08-10 | Ntn Corp | 車輪用軸受装置およびその組立方法 |
DE102006055161A1 (de) * | 2006-11-22 | 2008-05-29 | Robert Bosch Gmbh | Lagerschale für eine hydrostatische Maschine und hydrostatische Maschine mit dieser Lagerschale |
DE102007062008B4 (de) * | 2007-12-21 | 2016-11-03 | Robert Bosch Gmbh | Lagerkäfigsteuerung, vorzugsweise für ein Schwenklager einer Axialkolbenmaschine in Schrägscheibenbauart |
JP5183225B2 (ja) | 2008-01-28 | 2013-04-17 | 株式会社小松製作所 | 油圧ポンプ・モータ及びファン駆動装置 |
DE102008048495A1 (de) * | 2008-09-23 | 2010-03-25 | Robert Bosch Gmbh | Hydrostatische Maschine, insbesondere Axialkolbenmaschine |
DE102009005390A1 (de) | 2009-01-21 | 2010-07-22 | Robert Bosch Gmbh | Axialkolbenmaschine in Schrägachsenbauweise |
-
2011
- 2011-02-23 JP JP2011037707A patent/JP4934749B1/ja active Active
- 2011-11-17 DE DE112011101456.2T patent/DE112011101456B4/de active Active
- 2011-11-17 CN CN201180022970.6A patent/CN102893027B/zh active Active
- 2011-11-17 WO PCT/JP2011/076556 patent/WO2012114589A1/ja active Application Filing
- 2011-11-17 US US13/696,984 patent/US9410540B2/en active Active
- 2011-11-17 KR KR1020127028970A patent/KR101242826B1/ko not_active IP Right Cessation
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2002013611A (ja) * | 2000-06-29 | 2002-01-18 | Yanmar Diesel Engine Co Ltd | 油圧式無段変速装置の斜板軸受潤滑構造 |
JP2003139045A (ja) * | 2001-11-05 | 2003-05-14 | Uchida Hydraulics Co Ltd | 斜板式油圧ポンプ |
JP2006207445A (ja) * | 2005-01-27 | 2006-08-10 | Komatsu Ltd | 斜板、同斜板を用いた可変容量型液圧回転機及び潤滑溝の加工方法 |
JP2008101581A (ja) * | 2006-10-20 | 2008-05-01 | Hitachi Constr Mach Co Ltd | 斜軸式液圧回転機 |
JP2008232118A (ja) * | 2007-03-23 | 2008-10-02 | Komatsu Ltd | 軸受潤滑装置 |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20150068394A1 (en) * | 2013-09-06 | 2015-03-12 | Robert Bosch Gmbh | Hydrostatic Variable Displacement Axial Piston Machine, in particular Hydrostatic Variable Displacement Axial Piston Motor |
US10012219B2 (en) * | 2013-09-06 | 2018-07-03 | Robert Bosch Gmbh | Hydrostatic variable displacement axial piston machine, in particular hydrostatic variable displacement axial piston motor |
Also Published As
Publication number | Publication date |
---|---|
CN102893027A (zh) | 2013-01-23 |
CN102893027B (zh) | 2014-12-10 |
US9410540B2 (en) | 2016-08-09 |
JP2012172635A (ja) | 2012-09-10 |
DE112011101456B4 (de) | 2021-03-11 |
KR20120126134A (ko) | 2012-11-20 |
KR101242826B1 (ko) | 2013-03-12 |
JP4934749B1 (ja) | 2012-05-16 |
DE112011101456T5 (de) | 2013-02-28 |
US20140186196A1 (en) | 2014-07-03 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2012114589A1 (ja) | 可変容量型油圧ポンプ・モータ | |
JP5063823B1 (ja) | 斜軸式アキシャルピストンポンプ・モータ | |
AU2014270757A1 (en) | Method for coating a pump component | |
EP3366919B1 (en) | Variable displacement pump | |
JP6031301B2 (ja) | 水圧回転機 | |
JP6276911B2 (ja) | 液圧回転機 | |
US10794185B2 (en) | Cylinder block and swash plate type liquid-pressure rotating apparatus including same | |
KR20150104040A (ko) | 압축기 | |
JP6387327B2 (ja) | 可変容量型斜板式液圧回転機 | |
US20230279833A1 (en) | Valve plate, cylinder block, and hydraulic motor | |
JP6929516B2 (ja) | 斜板式可変容量ピストンポンプ | |
JP3575933B2 (ja) | 斜板式流体ポンプ・モータ | |
JP6553989B2 (ja) | 液圧回転機 | |
JP6832263B2 (ja) | アキシャルピストン式液圧回転機 | |
JP2009127538A (ja) | 斜板式油圧ポンプ | |
JPH09287554A (ja) | 可変容量型斜板式液圧回転機 | |
EP3351793A1 (en) | Hydraulic rotary machine, and valve plate for same | |
JP6557553B2 (ja) | 水圧回転機 | |
JP2023178382A (ja) | 油圧ポンプ及び建設機械 | |
JP2009127602A (ja) | ラジアルピストンポンプまたはモータ | |
JP2020153326A (ja) | 斜軸式アキシャルピストンポンプ | |
JP2017172467A (ja) | スクロール型圧縮機 | |
JPH09170567A (ja) | ピストン型液圧装置 | |
JP2017115677A (ja) | 斜板式ピストンポンプ | |
KR20020092674A (ko) | 가변용량형 사판식 압축기 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 201180022970.6 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 11859278 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 9372/DELNP/2012 Country of ref document: IN |
|
ENP | Entry into the national phase |
Ref document number: 20127028970 Country of ref document: KR Kind code of ref document: A |
|
WWE | Wipo information: entry into national phase |
Ref document number: 13696984 Country of ref document: US Ref document number: 1120111014562 Country of ref document: DE Ref document number: 112011101456 Country of ref document: DE |
|
122 | Ep: pct application non-entry in european phase |
Ref document number: 11859278 Country of ref document: EP Kind code of ref document: A1 |