DE60027577D1 - Zweiwege einzelpumpen, hydrostatischer antrieb für mäher - Google Patents

Zweiwege einzelpumpen, hydrostatischer antrieb für mäher

Info

Publication number
DE60027577D1
DE60027577D1 DE60027577T DE60027577T DE60027577D1 DE 60027577 D1 DE60027577 D1 DE 60027577D1 DE 60027577 T DE60027577 T DE 60027577T DE 60027577 T DE60027577 T DE 60027577T DE 60027577 D1 DE60027577 D1 DE 60027577D1
Authority
DE
Germany
Prior art keywords
valve set
hydraulic
engine
drive
pump
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 - Lifetime
Application number
DE60027577T
Other languages
English (en)
Inventor
D Bednar
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Textron Inc
Original Assignee
Textron 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 Textron Inc filed Critical Textron Inc
Application granted granted Critical
Publication of DE60027577D1 publication Critical patent/DE60027577D1/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • 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
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
    • 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
    • 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
    • F16H61/44—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation
    • F16H61/452—Selectively controlling multiple pumps or motors, e.g. switching between series or parallel
    • 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
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/461—Automatic regulation in accordance with output requirements not involving a variation of the output capacity of the main pumps or motors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Harvester Elements (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Fertilizing (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Control Of Multiple Motors (AREA)
DE60027577T 1999-06-14 2000-06-14 Zweiwege einzelpumpen, hydrostatischer antrieb für mäher Expired - Lifetime DE60027577D1 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13923199P 1999-06-14 1999-06-14
PCT/US2000/016538 WO2000076293A2 (en) 1999-06-14 2000-06-14 Dual-path single-pump hydrostatic drive for mower

Publications (1)

Publication Number Publication Date
DE60027577D1 true DE60027577D1 (de) 2006-06-01

Family

ID=22485682

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60027577T Expired - Lifetime DE60027577D1 (de) 1999-06-14 2000-06-14 Zweiwege einzelpumpen, hydrostatischer antrieb für mäher

Country Status (7)

Country Link
US (2) US6662895B1 (de)
EP (1) EP1209962B1 (de)
JP (1) JP2003501605A (de)
AT (1) ATE324537T1 (de)
AU (1) AU5491700A (de)
DE (1) DE60027577D1 (de)
WO (1) WO2000076293A2 (de)

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US6935446B2 (en) * 2002-06-21 2005-08-30 Walker Manufacturing Company Walk behind mower
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JP2004330829A (ja) * 2003-05-02 2004-11-25 Kanzaki Kokyukoki Mfg Co Ltd 走行車両の操向駆動装置
US7467677B2 (en) * 2004-02-23 2008-12-23 Barrier Scott D Control mechanism for zero turning radius mower
US7017703B2 (en) * 2004-06-22 2006-03-28 Sauer-Danfoss Inc. Four wheel traction control valve
US7377354B2 (en) * 2004-07-29 2008-05-27 Sauer-Danfoss Inc. Four wheel traction control valve system
EP1630030A3 (de) * 2004-08-24 2008-04-09 Kanzaki Kokyukoki MFG. Co., Ltd. Pumpensystem und Achsantriebssystem
CA2509888A1 (en) * 2005-06-14 2006-12-14 Accutrak Systems Limited System and method for automatic steering
US7428884B2 (en) * 2005-08-22 2008-09-30 Wright Manufacturing, Inc. Mower hydraulic tank cooling baffle positioned above engine flywheel
US7325388B2 (en) * 2005-08-30 2008-02-05 Wright Manufacturing, Inc. Lawn mower with deck lift system that raises and lowers deck with respect to frame and handle control assembly
JP4764923B2 (ja) * 2006-05-15 2011-09-07 株式会社小松製作所 油圧走行車両および油圧走行車両の制御方法
US7458311B2 (en) * 2006-08-14 2008-12-02 Deere & Company Return to neutral for dual hydrostatic transmission
DE202007005718U1 (de) * 2007-04-20 2008-08-28 Kersten, Georg, Dipl.-Ing. Antriebsaggregat für gärtnerische oder landwirtschaftliche Arbeitsgeräte
US20090014225A1 (en) * 2007-07-10 2009-01-15 Todd Allen Link Reverse over-ride system for mower traction drive
US20090183479A1 (en) * 2008-01-20 2009-07-23 Nicholson Gary L Mower frame with compact mounting for dual hydraulic pump/motor assemblies
US8002073B2 (en) * 2008-04-22 2011-08-23 Kanzaki Kokyukoki Mfg. Co., Ltd. Hydraulic drive working vehicle
US7967099B2 (en) * 2008-06-19 2011-06-28 Caterpillar Paving Products Inc. Method and arrangement of a plurality of propel pumps in a hydrostatically driven compactor
US20100089602A1 (en) * 2008-10-15 2010-04-15 William Tanner Self-propelled post driving apparatus
US9114703B1 (en) * 2009-04-24 2015-08-25 Hydro-Gear Limited Partnership Modular transmission assembly
US8613342B2 (en) * 2009-10-13 2013-12-24 GXi Holdings, LLC Hydraulic drive system for motorized power equipment
US9788482B2 (en) * 2016-01-06 2017-10-17 Deere & Company Grass mowing machine with hydraulic circuit having diverter valve
JP6667811B2 (ja) * 2016-11-22 2020-03-18 三陽機器株式会社 移動台車
US10464602B2 (en) * 2017-06-30 2019-11-05 Cnh Industrial America Llc Limited slip differential drive system and methods of using the same
EP3821692B1 (de) 2018-09-27 2024-07-31 Nanjing Chervon Industry Co., Ltd. Rasenmäher
CN110946001B (zh) 2018-09-27 2024-08-02 南京泉峰科技有限公司 割草机以及适用于割草机的刀片组件
USD995569S1 (en) 2019-04-18 2023-08-15 Nanjing Chervon Industry Co., Ltd. Mower blade assembly

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US3234856A (en) 1964-01-31 1966-02-15 James H Martin Propulsion system
DE1625099A1 (de) 1967-03-06 1970-05-21 Linde Ag Hydrostatisches Getriebe mit zwei Motoren
US3613336A (en) 1969-10-22 1971-10-19 Loran M Smith Hay swathing machine
JPS4934864B1 (de) * 1970-01-31 1974-09-18
US3865207A (en) 1971-04-23 1975-02-11 Hyster Co Hydraulic feed for wheel motors
US3736732A (en) 1971-10-12 1973-06-05 Deere & Co Auxiliary drive system for combines
US3807585A (en) 1972-10-11 1974-04-30 P Holzmann Self-propelled pipe cart
US3997017A (en) * 1974-01-14 1976-12-14 Caterpillar Tractor Co. Auxiliary hydrostatic front wheel drive system
US3901339A (en) 1974-04-15 1975-08-26 Clark Equipment Co Hydrostatic drive-steer system
US3913453A (en) 1974-08-30 1975-10-21 Deere & Co Hydrostatic transmission
US3894606A (en) * 1974-10-23 1975-07-15 Deere & Co Control system for hydrostatic drive tractors
US4183372A (en) * 1976-04-05 1980-01-15 Aisin Seiki Kabushiki Kaisha Altitude compensation valve assembly
US4235397A (en) * 1978-04-29 1980-11-25 British Aerospace Flow deflector blades
US4235297A (en) * 1979-03-22 1980-11-25 Hps Company, Inc. Two-man utility vehicle
US4301881A (en) * 1979-05-08 1981-11-24 Griffin Hugh A Vehicle drive system
US4344287A (en) * 1979-08-23 1982-08-17 Caterpillar Tractor Co. Volume compensation for hydraulic circuits
US4484655A (en) 1980-07-01 1984-11-27 Sheppard Sr Darrel J Gearless hydraulic transmission and vehicle drive system
US4401182A (en) * 1980-12-10 1983-08-30 Sundstrand Corporation Variable displacement hydraulic drive with disconnect
JPS60180805U (ja) * 1984-05-11 1985-11-30 豊興工業株式会社 流体制御装置
USRE33131E (en) 1985-01-10 1989-12-19 Motorized dumping vehicle
US5158150A (en) * 1986-05-13 1992-10-27 Hydra-Powr, Inc. Hydraulic wheelchair
JPS63106136A (ja) * 1986-10-24 1988-05-11 Kanzaki Kokyukoki Mfg Co Ltd 自走式作業車のトランスミツシヨン
US4914592A (en) * 1987-12-03 1990-04-03 Trw Inc. Apparatus for controlling a steering-by-driving system
JPH043103U (de) * 1990-04-23 1992-01-13
US5137100A (en) 1990-10-22 1992-08-11 Ultra Hydraulics Limited Hydrostatic transmissions
US5181579A (en) * 1991-04-17 1993-01-26 Trw Inc. Steering and driving system
JP3282739B2 (ja) * 1992-08-04 2002-05-20 株式会社小松製作所 油圧走行車両用油圧回路の直進補償装置
JPH07242130A (ja) * 1994-03-07 1995-09-19 Komatsu Ltd 作業用車両の走行駆動装置
CH689015A5 (de) * 1994-05-27 1998-07-31 Rapid Masch Fahrzeuge Ag Verfahren zur Antriebssteuerung eines Einachstraktors.
US5809755A (en) * 1994-12-16 1998-09-22 Wright Manufacturing, Inc. Power mower with riding platform for supporting standing operator
US5518079A (en) * 1994-12-16 1996-05-21 F. D. Kees Manufacturing, Co. Lawn mower
US5682958A (en) * 1995-09-18 1997-11-04 Deere & Company Rear wheel assist for a self-propelled scraper
US5915496A (en) * 1996-08-26 1999-06-29 Ransomes America Corporation Parallel-series four-wheel-drive hydraulic circuit for a riding lawn mower
US5873427A (en) * 1997-04-03 1999-02-23 Caterpillar Inc. Method and apparatus for controlling a load of an engine associated with a hydrostatic drive system
US5848520A (en) * 1997-04-28 1998-12-15 Deere & Company Control for hydrostatic transmissions
DE19721623A1 (de) * 1997-05-23 1998-11-26 Agria Werke Gmbh Fahrzeug mit hydraulischem Einzelradantrieb
US6135231A (en) * 1998-04-27 2000-10-24 Sauer Inc. Method and means for providing a steer-assist and anti-spin system for hydrostatically propelled vehicles
FR2789351B1 (fr) * 1999-02-05 2001-04-27 Poclain Hydraulics Ind Dispositif de transmission d'un engin mobile ayant au moins deux ponts moteurs
DE19930425A1 (de) * 1999-07-01 2001-01-04 Mannesmann Rexroth Ag Hydrostatischer Fahrantrieb

Also Published As

Publication number Publication date
WO2000076293A2 (en) 2000-12-21
EP1209962A4 (de) 2004-12-22
AU5491700A (en) 2001-01-02
US6662895B1 (en) 2003-12-16
EP1209962A2 (de) 2002-06-05
WO2000076293A3 (en) 2001-03-15
ATE324537T1 (de) 2006-05-15
JP2003501605A (ja) 2003-01-14
US20040099464A1 (en) 2004-05-27
EP1209962B1 (de) 2006-04-26

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Legal Events

Date Code Title Description
8332 No legal effect for de