FR2257032A1 - - Google Patents

Info

Publication number
FR2257032A1
FR2257032A1 FR7500273A FR7500273A FR2257032A1 FR 2257032 A1 FR2257032 A1 FR 2257032A1 FR 7500273 A FR7500273 A FR 7500273A FR 7500273 A FR7500273 A FR 7500273A FR 2257032 A1 FR2257032 A1 FR 2257032A1
Authority
FR
France
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.)
Granted
Application number
FR7500273A
Other languages
French (fr)
Other versions
FR2257032B1 (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 FR2257032A1 publication Critical patent/FR2257032A1/fr
Application granted granted Critical
Publication of FR2257032B1 publication Critical patent/FR2257032B1/fr
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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/0401—Valve members; Fluid interconnections therefor
    • F15B13/0402—Valve members; Fluid interconnections therefor for linearly sliding valves, e.g. spool valves

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Control Of Fluid Gearings (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)
FR7500273A 1974-01-07 1975-01-06 Expired FR2257032B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US43136074A 1974-01-07 1974-01-07

Publications (2)

Publication Number Publication Date
FR2257032A1 true FR2257032A1 (en) 1975-08-01
FR2257032B1 FR2257032B1 (en) 1981-03-20

Family

ID=23711593

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7500273A Expired FR2257032B1 (en) 1974-01-07 1975-01-06

Country Status (7)

Country Link
JP (1) JPS5097781A (en)
BE (1) BE821771A (en)
BR (1) BR7408834D0 (en)
CA (1) CA1014049A (en)
DE (1) DE2460993A1 (en)
FR (1) FR2257032B1 (en)
GB (1) GB1486851A (en)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066717A2 (en) * 1981-05-18 1982-12-15 Vickers Incorporated Hydraulic control system comprising a meter-in valve means
EP0292457A1 (en) * 1987-05-18 1988-11-23 Atlas Copco Aktiebolag A device in a hydraulic power system connected to a load driving hydraulic motor
EP0376440A1 (en) * 1988-12-27 1990-07-04 Ross Operating Valve Company Multi-port self-regulating proportional pressure control valve

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4041983A (en) * 1975-07-09 1977-08-16 Caterpillar Tractor Co. Pressure controlled swing valve with safety feature
JPS62190173U (en) * 1986-05-24 1987-12-03
CN103089727B (en) * 2011-10-31 2016-03-02 约克广州空调冷冻设备有限公司 Selector valve
DE102012001954A1 (en) * 2012-02-02 2013-08-08 Robert Bosch Gmbh Valve assembly with pilot pump
CN110260025B (en) * 2019-05-31 2024-02-06 陕西法士特齿轮有限责任公司 Proportional electromagnetic valve for controlling clutch

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0066717A2 (en) * 1981-05-18 1982-12-15 Vickers Incorporated Hydraulic control system comprising a meter-in valve means
EP0066717A3 (en) * 1981-05-18 1983-10-12 Sperry Corporation Hydraulic control system comprising a meter-in valve means
EP0292457A1 (en) * 1987-05-18 1988-11-23 Atlas Copco Aktiebolag A device in a hydraulic power system connected to a load driving hydraulic motor
EP0376440A1 (en) * 1988-12-27 1990-07-04 Ross Operating Valve Company Multi-port self-regulating proportional pressure control valve

Also Published As

Publication number Publication date
JPS5097781A (en) 1975-08-04
BR7408834D0 (en) 1975-09-23
GB1486851A (en) 1977-09-28
FR2257032B1 (en) 1981-03-20
BE821771A (en) 1975-04-30
DE2460993A1 (en) 1975-07-10
CA1014049A (en) 1977-07-19

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Legal Events

Date Code Title Description
ST Notification of lapse