FR2462625B1 - Circuit electrique pour la commande du reglage d'un ensemble ou appareil, tel qu'une transmission hydrostatique, pouvant etre commande de part et d'autre d'un point zero - Google Patents

Circuit electrique pour la commande du reglage d'un ensemble ou appareil, tel qu'une transmission hydrostatique, pouvant etre commande de part et d'autre d'un point zero

Info

Publication number
FR2462625B1
FR2462625B1 FR8016334A FR8016334A FR2462625B1 FR 2462625 B1 FR2462625 B1 FR 2462625B1 FR 8016334 A FR8016334 A FR 8016334A FR 8016334 A FR8016334 A FR 8016334A FR 2462625 B1 FR2462625 B1 FR 2462625B1
Authority
FR
France
Prior art keywords
adjustment
assembly
controlling
controlled
electrical circuit
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
Application number
FR8016334A
Other languages
English (en)
Other versions
FR2462625A1 (fr
Inventor
Ronald Lee Branstetter
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.)
Deere and Co
Original Assignee
Deere and 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 and Co filed Critical Deere and Co
Publication of FR2462625A1 publication Critical patent/FR2462625A1/fr
Application granted granted Critical
Publication of FR2462625B1 publication Critical patent/FR2462625B1/fr
Expired 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
    • F16H61/42—Control of exclusively fluid gearing hydrostatic involving adjustment of a pump or motor with adjustable output or capacity
    • F16H61/431—Pump capacity control by electro-hydraulic control means, e.g. using solenoid valves
    • 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
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D3/00—Control of position or direction
    • G05D3/12—Control of position or direction using feedback
    • G05D3/14—Control of position or direction using feedback using an analogue comparing device
    • 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
    • F16H59/00—Control inputs to control units of change-speed-, or reversing-gearings for conveying rotary motion
    • F16H59/68—Inputs being a function of gearing status
    • F16H2059/6838—Sensing gearing status of hydrostatic transmissions
    • F16H2059/6853—Sensing gearing status of hydrostatic transmissions the state of the transmission units, i.e. motor or pump capacity, e.g. for controlled shifting of range gear

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Automation & Control Theory (AREA)
  • Control Of Fluid Gearings (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Magnetically Actuated Valves (AREA)
  • Control Of Transmission Device (AREA)
FR8016334A 1979-07-26 1980-07-24 Circuit electrique pour la commande du reglage d'un ensemble ou appareil, tel qu'une transmission hydrostatique, pouvant etre commande de part et d'autre d'un point zero Expired FR2462625B1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/061,140 US4282711A (en) 1979-07-26 1979-07-26 Hydrostatic transmission control system

Publications (2)

Publication Number Publication Date
FR2462625A1 FR2462625A1 (fr) 1981-02-13
FR2462625B1 true FR2462625B1 (fr) 1986-06-13

Family

ID=22033870

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8016334A Expired FR2462625B1 (fr) 1979-07-26 1980-07-24 Circuit electrique pour la commande du reglage d'un ensemble ou appareil, tel qu'une transmission hydrostatique, pouvant etre commande de part et d'autre d'un point zero

Country Status (11)

Country Link
US (1) US4282711A (fr)
BE (1) BE884475A (fr)
CA (1) CA1129525A (fr)
DE (1) DE3026565C2 (fr)
DK (1) DK313280A (fr)
ES (1) ES8106595A1 (fr)
FR (1) FR2462625B1 (fr)
GB (1) GB2055490B (fr)
IT (1) IT1195974B (fr)
MX (1) MX153740A (fr)
NL (1) NL8004253A (fr)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0041273B1 (fr) * 1980-06-04 1984-09-12 Hitachi Construction Machinery Co., Ltd. Système de commande de la pression de circuit pour une transmission hydraulique
USRE33846E (en) * 1982-04-01 1992-03-17 Deere & Company Electrohydraulic valve system
US4437385A (en) * 1982-04-01 1984-03-20 Deere & Company Electrohydraulic valve system
US4815289A (en) * 1983-06-24 1989-03-28 Sundstrand Corporation Variable pressure control
JP2840671B2 (ja) * 1987-02-28 1998-12-24 株式会社島津製作所 走行車両用液圧式伝導装置
US5017094A (en) * 1990-03-12 1991-05-21 Eaton Corporation Solenoid valve control system for hydrostatic transmission
US5561979A (en) * 1995-02-17 1996-10-08 Caterpillar Inc. Control arrangement for a hydrostatic system
DE19505691C2 (de) * 1995-02-20 1998-11-26 Sauer Sundstrand Gmbh & Co Hydrostatisches Getriebe mit einem hubvolumenverstellbaren Hydromotor
US6655233B2 (en) 2001-07-13 2003-12-02 Deere & Company Speed control for a utility vehicle
US6581710B2 (en) 2001-07-13 2003-06-24 Deere & Company Operator selected maximum speed and recalibrated pedal range for a vehicle
US6675577B2 (en) 2001-07-13 2004-01-13 Deere & Company Anti-stall transmission control for utility vehicle
US6851495B2 (en) 2001-10-19 2005-02-08 Deere & Co. Speed control for utility vehicle operable from rearward-facing seat
US7416045B2 (en) * 2002-08-28 2008-08-26 Torvec, Inc. Dual hydraulic machine transmission
US7690196B2 (en) * 2007-02-07 2010-04-06 Sauer-Danfoss Aps Hydraulic actuator having an auxiliary valve
US7677035B2 (en) * 2007-02-07 2010-03-16 Sauer-Danfoss Aps Control system for a hydraulic servomotor
US7849686B2 (en) * 2007-02-07 2010-12-14 Sauer-Danfoss Aps Valve assembly and a hydraulic actuator comprising the valve assembly
US8596057B2 (en) * 2009-10-06 2013-12-03 Caterpillar Inc. Method and apparatus for controlling a variable displacement hydraulic pump
DE102012021498A1 (de) * 2012-11-02 2014-05-08 Robert Bosch Gmbh Verstelleinrichtung für eine hydrostatische Verdrängereinheit
US20150033725A1 (en) * 2013-05-20 2015-02-05 Fev Gmbh Hydraulic hybrid safety system

Family Cites Families (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3365886A (en) * 1965-12-03 1968-01-30 Sundstrand Corp Hydrostatic transmission control
US3618469A (en) * 1968-09-19 1971-11-09 Chandler Evans Inc Solenoid operated actuator system
US3529422A (en) * 1968-09-23 1970-09-22 Lee R Herndon Jr Speed control system
US3667225A (en) * 1970-08-12 1972-06-06 Scott Equipment Co Hydrostatic drive and control system therefor
US3659672A (en) * 1971-01-11 1972-05-02 Charles J Jacobus Control system
DE2114639A1 (de) * 1971-03-26 1972-10-05 Bosch Gmbh Robert Elektrohydraulische Steuerungsvorrichtung für einen hydraulischen Verbraucher
CH563532A5 (fr) * 1973-03-14 1975-06-30 Buehler Ag Geb
FR2262758A1 (en) * 1974-02-28 1975-09-26 Eaton Corp Hydrostatic pump and motor transmission - has closed loop ratio control sensitive to error magnitude
GB1508641A (en) * 1974-02-28 1978-04-26 Eaton Corp Hydrostatic transmission control system
US3901031A (en) * 1974-02-28 1975-08-26 Eaton Corp Hydrostatic transmission control system
US3924410A (en) * 1974-10-02 1975-12-09 Eaton Corp Hydrostatic transmission control system
DE2446963C2 (de) * 1974-10-02 1982-12-16 Robert Bosch Gmbh, 7000 Stuttgart Hydraulische Stelleinrichtung
IT1091735B (it) * 1977-01-11 1985-07-06 Sauer Getriebe Kg Dispositivo di regolazione per un dispositivo di azionamento,in particolare per una trazione idrostatica
DE2700803C2 (de) * 1977-01-11 1982-10-28 Sauer Getriebe KG, 2350 Neumünster Regelungssystem für eine Antriebseinrichtung
US4103489A (en) * 1977-04-15 1978-08-01 Deere & Company Total power fluid system
US4091617A (en) * 1977-05-11 1978-05-30 Eaton Corporation Hydraulic controller
DE2727555A1 (de) * 1977-06-18 1979-01-04 Bosch Gmbh Robert Steuervorrichtung fuer hydrostatische verdraengeraggregate
US4285639A (en) * 1979-06-12 1981-08-25 Parker-Hannifin Corporation Electronic control for variable displacement pumps

Also Published As

Publication number Publication date
GB2055490A (en) 1981-03-04
MX153740A (es) 1986-12-30
ES493681A0 (es) 1981-06-16
DE3026565C2 (de) 1986-05-28
DK313280A (da) 1981-01-27
US4282711A (en) 1981-08-11
FR2462625A1 (fr) 1981-02-13
ES8106595A1 (es) 1981-06-16
DE3026565A1 (de) 1981-03-12
GB2055490B (en) 1983-01-26
BE884475A (fr) 1980-11-17
NL8004253A (nl) 1981-01-28
IT8049326A0 (it) 1980-07-25
CA1129525A (fr) 1982-08-10
IT1195974B (it) 1988-11-03

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Legal Events

Date Code Title Description
ST Notification of lapse