DK2152537T3 - Mekanisme til returnering til neutral til hydraulisk pumpe - Google Patents

Mekanisme til returnering til neutral til hydraulisk pumpe

Info

Publication number
DK2152537T3
DK2152537T3 DK08747169.4T DK08747169T DK2152537T3 DK 2152537 T3 DK2152537 T3 DK 2152537T3 DK 08747169 T DK08747169 T DK 08747169T DK 2152537 T3 DK2152537 T3 DK 2152537T3
Authority
DK
Denmark
Prior art keywords
neutral
return
hydraulic pump
hydraulic
pump
Prior art date
Application number
DK08747169.4T
Other languages
English (en)
Inventor
Richard Daigre
Original Assignee
White Drive Products Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by White Drive Products Inc filed Critical White Drive Products Inc
Application granted granted Critical
Publication of DK2152537T3 publication Critical patent/DK2152537T3/da

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D31/00—Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution
    • F16D31/02—Fluid couplings or clutches with pumping sets of the volumetric type, i.e. in the case of liquid passing a predetermined volume per revolution using pumps with pistons or plungers working in cylinders
    • 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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/435—Pump capacity control by electric actuators
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/439—Control of the neutral position, e.g. by zero tilt rotation holding means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
  • Control Of Fluid Gearings (AREA)
DK08747169.4T 2007-05-01 2008-04-30 Mekanisme til returnering til neutral til hydraulisk pumpe DK2152537T3 (da)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US91528407P 2007-05-01 2007-05-01
US12/112,351 US7908960B2 (en) 2007-05-01 2008-04-30 Return to neutral mechanism for hydraulic pump
PCT/US2008/061993 WO2008137451A1 (en) 2007-05-01 2008-04-30 Return to neutral mechanism for hydraulic pump

Publications (1)

Publication Number Publication Date
DK2152537T3 true DK2152537T3 (da) 2013-05-21

Family

ID=39938580

Family Applications (1)

Application Number Title Priority Date Filing Date
DK08747169.4T DK2152537T3 (da) 2007-05-01 2008-04-30 Mekanisme til returnering til neutral til hydraulisk pumpe

Country Status (6)

Country Link
US (1) US7908960B2 (da)
EP (1) EP2152537B1 (da)
CN (1) CN101678762B (da)
DK (1) DK2152537T3 (da)
PL (1) PL2152537T3 (da)
WO (1) WO2008137451A1 (da)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US8205708B2 (en) * 2003-01-08 2012-06-26 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydraulic transaxle
US8511216B2 (en) * 2009-03-30 2013-08-20 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydraulic actuator unit
US20110126502A1 (en) * 2009-11-30 2011-06-02 Briggs & Stratton Corporation Driving speed control for power equipment
PL2486278T3 (pl) * 2010-03-18 2016-10-31 Mechanizm powrotu do biegu jałowego do pompy hydraulicznej
US9228572B2 (en) * 2011-04-27 2016-01-05 Parker-Hannifin Corporation Hydraulic apparatus return to neutral mechanism
US9341258B1 (en) 2013-03-15 2016-05-17 Hydro-Gear Limited Partnership Return to neutral mechanism for variable drive apparatus
EP3333462B1 (en) * 2015-08-07 2021-03-24 Yanmar Power Technology Co., Ltd. Work vehicle
CN105863981A (zh) * 2016-05-16 2016-08-17 山东省农业机械科学研究院 用于斜盘式变量柱塞泵的回中机构

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5040649A (en) * 1988-06-03 1991-08-20 Kanzaki Kokyukoki Mfg. Co., Ltd. HST type axle driving apparatus with brake and transmission interlock
JPH0747232Y2 (ja) 1989-07-12 1995-11-01 株式会社神崎高級工機製作所 Ｈｓｔ式車軸駆動装置
CA2022176C (en) * 1989-07-28 1995-01-03 Sadanori Nishimura Hydraulic transmission for motor vehicle
JPH0783161A (ja) 1993-09-17 1995-03-28 Kanzaki Kokyukoki Mfg Co Ltd 可変容量型アキシャルピストン機械
US6513325B2 (en) * 1996-06-26 2003-02-04 Kanzaki Kokyukoki Mfg. Co., Ltd. Mechanism of returning to neutral for axle driving apparatus
US6199380B1 (en) * 1998-01-20 2001-03-13 Kanzaki Kokyukoki Mfg. Co. Ltd. Axle driving apparatus
US6425244B1 (en) 1999-10-18 2002-07-30 Kanzaki Kokyukoki Mfg. Co., Ltd. Pump unit
US6968687B1 (en) * 2001-02-20 2005-11-29 Hydro-Gear Limited Partnership Hydraulic apparatus with return to neutral mechanism
US6487857B1 (en) * 2001-02-20 2002-12-03 Hydro-Gear Limited Partnership Zero-turn transaxle with mounted return to neutral mechanism
US6701825B1 (en) * 2001-05-14 2004-03-09 Hydro-Gear Limited Partnership Return to neutral device for a hydraulic apparatus
US6964164B1 (en) * 2001-05-14 2005-11-15 Hydro-Gear Limited Partnership Return to neutral device for a hydraulic apparatus
US6880333B1 (en) * 2003-05-23 2005-04-19 Hydro-Gear Limited Partnership Control assembly for a hydraulic device
US7234385B2 (en) 2004-07-21 2007-06-26 Parker-Hannifin Corporation Return to neutral mechanism for hydraulic pump
US7051641B2 (en) * 2004-07-22 2006-05-30 Clark Equipment Company Adjustment for steering levers for hydrostatic drive
US7458311B2 (en) * 2006-08-14 2008-12-02 Deere & Company Return to neutral for dual hydrostatic transmission

Also Published As

Publication number Publication date
US20080271444A1 (en) 2008-11-06
EP2152537A1 (en) 2010-02-17
PL2152537T3 (pl) 2013-08-30
EP2152537A4 (en) 2011-06-08
US7908960B2 (en) 2011-03-22
CN101678762B (zh) 2013-06-26
CN101678762A (zh) 2010-03-24
WO2008137451A1 (en) 2008-11-13
EP2152537B1 (en) 2013-03-06

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