IT7949232A0 - Propulsione ausiliaria per una o piu' ruote portanti normalmente non azionate su veicoli - Google Patents

Propulsione ausiliaria per una o piu' ruote portanti normalmente non azionate su veicoli

Info

Publication number
IT7949232A0
IT7949232A0 IT7949232A IT4923279A IT7949232A0 IT 7949232 A0 IT7949232 A0 IT 7949232A0 IT 7949232 A IT7949232 A IT 7949232A IT 4923279 A IT4923279 A IT 4923279A IT 7949232 A0 IT7949232 A0 IT 7949232A0
Authority
IT
Italy
Prior art keywords
vehicles
load
driven
bearing wheels
auxiliary propulsion
Prior art date
Application number
IT7949232A
Other languages
English (en)
Other versions
IT1117358B (it
Original Assignee
Deere & Co
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 Deere & Co filed Critical Deere & Co
Publication of IT7949232A0 publication Critical patent/IT7949232A0/it
Application granted granted Critical
Publication of IT1117358B publication Critical patent/IT1117358B/it

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
    • F16H61/46—Automatic regulation in accordance with output requirements
    • F16H61/47—Automatic regulation in accordance with output requirements for achieving a target output speed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
    • B60K17/00—Arrangement or mounting of transmissions in vehicles
    • B60K17/34—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles
    • B60K17/356—Arrangement or mounting of transmissions in vehicles for driving both front and rear wheels, e.g. four wheel drive vehicles having fluid or electric motor, for driving one or more wheels
    • 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
    • F16H61/444—Control of exclusively fluid gearing hydrostatic with more than one pump or motor in operation by changing the number of pump or motor units 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
    • F16H61/46—Automatic regulation in accordance with output requirements

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Operation Control Of Excavators (AREA)
  • Arrangement And Driving Of Transmission Devices (AREA)
  • Control Of Driving Devices And Active Controlling Of Vehicle (AREA)
  • Control Of Transmission Device (AREA)
IT49232/79A 1978-05-30 1979-05-29 Propulsione ausiliaria per una o piu'ruote portanti normalmente non azionate su veicoli IT1117358B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/910,571 US4183419A (en) 1978-05-30 1978-05-30 Hydrostatic front wheel drive system

Publications (2)

Publication Number Publication Date
IT7949232A0 true IT7949232A0 (it) 1979-05-29
IT1117358B IT1117358B (it) 1986-02-17

Family

ID=25429004

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49232/79A IT1117358B (it) 1978-05-30 1979-05-29 Propulsione ausiliaria per una o piu'ruote portanti normalmente non azionate su veicoli

Country Status (5)

Country Link
US (1) US4183419A (it)
JP (1) JPS54157932A (it)
CA (1) CA1107607A (it)
IT (1) IT1117358B (it)
MX (1) MX146875A (it)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3035522C2 (de) * 1980-09-19 1983-03-24 Zahnradfabrik Friedrichshafen Ag, 7990 Friedrichshafen Hydrostatischer Antrieb für zuschaltbare Zusatzantriebsräder selbstfahrender schwerer Arbeitsmaschinen
CA1217405A (en) * 1983-03-03 1987-02-03 Dresser Industries, Inc. Front wheel assist drive for a vehicle machine
US4766727A (en) * 1987-06-01 1988-08-30 Dyneer Corporation Fluid control valve
US4986377A (en) * 1988-03-17 1991-01-22 Deere & Company Belted crawler having auxiliary drive
US4942934A (en) * 1988-03-17 1990-07-24 Deere & Company Belted crawler having auxiliary drive wheel
JPH01161997U (it) * 1988-04-28 1989-11-10
US5147010A (en) * 1990-12-06 1992-09-15 Caterpillar Inc. Method and apparatus for controlling a supplemental vehicle drive in response to slip in a main vehicle drive
US5361208A (en) * 1990-12-06 1994-11-01 Caterpillar Inc. Supplemental front wheel drive control system and method
JP2562918Y2 (ja) * 1992-12-10 1998-02-16 株式会社小松製作所 車輪駆動装置の潤滑構造
DE29508396U1 (de) * 1995-05-19 1995-08-10 Joseph Vögele AG, 68163 Mannheim Straßenfertiger
US5682958A (en) * 1995-09-18 1997-11-04 Deere & Company Rear wheel assist for a self-propelled scraper
US5647211A (en) * 1996-03-06 1997-07-15 Fluidrive, Inc. Fluid control valve
DE69706905T2 (de) * 1996-03-19 2002-04-04 Eaton Corp., Cleveland Verstellbare Pumpe sowie Fernsteuersystem dafür
DE19920867A1 (de) * 1999-05-06 2001-02-08 Orenstein & Koppel Ag Verfahren zum Abbremsen eines drehbaren Oberwagens einer Arbeitsmaschine sowie Schwenkbremseinrichtung
US6431661B1 (en) 2000-10-24 2002-08-13 Deere & Company Force feedback and pressure equalization brake system
US6491600B1 (en) 2001-09-11 2002-12-10 Deere & Company Two stage planetary final device
US6644429B2 (en) 2002-01-28 2003-11-11 Deere & Co Hydrostatic auxiliary drive system
US7325636B2 (en) * 2004-08-30 2008-02-05 Caterpillar Inc. Front-wheel drive steering compensation method and system
US7364003B2 (en) * 2005-02-25 2008-04-29 Caterpillar Inc. Systems and methods for the mitigation of hop
US7823897B2 (en) * 2006-10-04 2010-11-02 Deere & Company Vehicular drive system with FWD-only mode and associated method
US7650961B2 (en) 2006-12-08 2010-01-26 Deere & Company Differential lock control system and associated method
US9702458B2 (en) * 2015-12-07 2017-07-11 Caterpillar Inc. Pressure and speed control for a vehicle
US10011173B2 (en) 2016-03-14 2018-07-03 Caterpillar Inc. Powertrain system for maintaining rimpull performance of machine

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3298252A (en) * 1964-01-17 1967-01-17 Deere & Co Transmission
US3458005A (en) * 1967-11-28 1969-07-29 Deere & Co Hydrostatic front wheel drive for a tractor
US3584698A (en) * 1968-07-23 1971-06-15 Caterpillar Tractor Co Hydrostatic scraper wheel drive
US3874470A (en) * 1973-05-31 1975-04-01 Clarence Kirk Greene Pressure-responsive displacement changer for vehicular drive system having a variable displacement pump
US3997017A (en) * 1974-01-14 1976-12-14 Caterpillar Tractor Co. Auxiliary hydrostatic front wheel drive system
US3894606A (en) * 1974-10-23 1975-07-15 Deere & Co Control system for hydrostatic drive tractors
US4099588A (en) * 1976-09-01 1978-07-11 Caterpillar Tractor Co. Responsive pilot-operated control valve for front wheel drive

Also Published As

Publication number Publication date
CA1107607A (en) 1981-08-25
JPS54157932A (en) 1979-12-13
JPS6351891B2 (it) 1988-10-17
MX146875A (es) 1982-08-31
IT1117358B (it) 1986-02-17
US4183419A (en) 1980-01-15

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