GB1465663A - Automatic control circuit for an electrically powered hydraulic pump - Google Patents

Automatic control circuit for an electrically powered hydraulic pump

Info

Publication number
GB1465663A
GB1465663A GB3522275A GB3522275A GB1465663A GB 1465663 A GB1465663 A GB 1465663A GB 3522275 A GB3522275 A GB 3522275A GB 3522275 A GB3522275 A GB 3522275A GB 1465663 A GB1465663 A GB 1465663A
Authority
GB
United Kingdom
Prior art keywords
relay
hydraulic pump
control circuit
vehicle engine
switch
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
GB3522275A
Other languages
English (en)
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor 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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Publication of GB1465663A publication Critical patent/GB1465663A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/004—Fluid pressure supply failure
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D5/00—Power-assisted or power-driven steering
    • B62D5/06—Power-assisted or power-driven steering fluid, i.e. using a pressurised fluid for most or all the force required for steering a vehicle
    • B62D5/30—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means
    • B62D5/32—Safety devices, e.g. alternate emergency power supply or transmission means to ensure steering upon failure of the primary steering means for telemotor systems
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S60/00—Power plants
    • Y10S60/911—Fluid motor system incorporating electrical system

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Pressure Circuits (AREA)
GB3522275A 1975-01-17 1975-08-26 Automatic control circuit for an electrically powered hydraulic pump Expired GB1465663A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05/541,752 US3940931A (en) 1975-01-17 1975-01-17 Automatic control circuit for an electrically powered hydraulic pump

Publications (1)

Publication Number Publication Date
GB1465663A true GB1465663A (en) 1977-02-23

Family

ID=24160887

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3522275A Expired GB1465663A (en) 1975-01-17 1975-08-26 Automatic control circuit for an electrically powered hydraulic pump

Country Status (3)

Country Link
US (1) US3940931A (OSRAM)
JP (1) JPS5197002A (OSRAM)
GB (1) GB1465663A (OSRAM)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160162A (en) * 1984-06-13 1985-12-18 Steering Developments Ltd Hydraulic steering system

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5313059A (en) * 1976-07-20 1978-02-06 Nissan Motor Co Ltd Parallel shaft type transmission
US4079806A (en) * 1976-12-17 1978-03-21 Fiat-Allis Construction Machinery, Inc. Vehicle starting circuit to by-pass auxiliary steering system
US4123906A (en) * 1977-06-08 1978-11-07 Caterpillar Tractor Co. Vehicle having portable power means for brake control
US4102129A (en) * 1977-07-01 1978-07-25 Caterpillar Tractor Co. Control apparatus
US4187927A (en) * 1977-08-12 1980-02-12 UEC Manufacturing Company Remotely actuated auxiliary pressurization system
JPS5671662A (en) 1979-11-13 1981-06-15 Nissan Motor Co Ltd Working fluid feeder for power steering combined with hydraulic booster for braking
DE2949253A1 (de) * 1979-12-07 1981-06-11 Unit Rig & Equipment Co., Tulsa, Okla. Doppelsteueranlage fuer gelaendegaengige fahrzeuge
US4345660A (en) * 1979-12-26 1982-08-24 Deere & Company Vehicle emergency steering system
US4317499A (en) * 1979-12-26 1982-03-02 Deere & Company Vehicle emergency steering system
US4410057A (en) * 1980-05-09 1983-10-18 Clark Equipment Company Emergency hydraulic system
FR2836671B1 (fr) * 2002-03-04 2004-12-03 Messier Bugatti Architecture de systeme hydraulique de commande d'orientation
US7168245B2 (en) * 2004-12-20 2007-01-30 Caterpillar Inc Work machine with supplemental power steering
US7600715B2 (en) * 2005-03-25 2009-10-13 Nabtesco Corporation Local backup hydraulic actuator for aircraft control systems
GB0816335D0 (en) * 2008-09-08 2008-10-15 Hill Ian Coupler with gravity operated safety device
CN102667005B (zh) 2009-09-22 2015-10-07 伊恩.希尔 带有用于将附件联接到工作机械上的销保持系统的液压联接器
GB2474572B (en) * 2009-10-16 2014-11-26 Hill Engineering Ltd Control system for a hydraulic coupler
GB2474576B (en) 2009-10-16 2014-03-19 Ian Hill Coupler
CN101824915B (zh) * 2010-03-26 2011-09-21 长沙中联重工科技发展股份有限公司 具有臂架应急驱动功能的混凝土布料设备
US8434301B2 (en) 2010-04-16 2013-05-07 Nabtesco Corporation Local backup hydraulic actuator for aircraft control systems
US8511395B2 (en) * 2010-09-10 2013-08-20 Sta-Rite Industries, Llc Redundant stationary fire fighting system and method
US10207710B1 (en) 2014-06-25 2019-02-19 Kurt Daims Steering and braking systems for a coasting motor vehicle
CN115961888A (zh) * 2023-02-09 2023-04-14 中国地质科学院勘探技术研究所 一种搓管钻机自动搓管机构

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2954671A (en) * 1958-07-14 1960-10-04 Le Tourneau Westinghouse Compa Power steering means
US3434282A (en) * 1967-03-14 1969-03-25 Dura Corp Safety backup system for power steering
US3762492A (en) * 1970-05-04 1973-10-02 B Ron Dual fluid supply circuit for a power steering and a hydraulic power brake

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2160162A (en) * 1984-06-13 1985-12-18 Steering Developments Ltd Hydraulic steering system

Also Published As

Publication number Publication date
US3940931A (en) 1976-03-02
JPS5197002A (OSRAM) 1976-08-26

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee