CA971079A - Make-up valve for hydraulic control circuit - Google Patents

Make-up valve for hydraulic control circuit

Info

Publication number
CA971079A
CA971079A CA170,240A CA170240A CA971079A CA 971079 A CA971079 A CA 971079A CA 170240 A CA170240 A CA 170240A CA 971079 A CA971079 A CA 971079A
Authority
CA
Canada
Prior art keywords
valve
make
control circuit
hydraulic control
hydraulic
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
CA170,240A
Other versions
CA170240S (en
Inventor
Joseph E. Dezelan
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
Priority to CA215,596A priority Critical patent/CA982021A/en
Application granted granted Critical
Publication of CA971079A publication Critical patent/CA971079A/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
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Lifting Devices For Agricultural Implements (AREA)
  • Check Valves (AREA)
CA170,240A 1972-06-21 1973-05-02 Make-up valve for hydraulic control circuit Expired CA971079A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA215,596A CA982021A (en) 1972-06-21 1974-12-10 Dual check valve arrangement for a hydraulic control circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US26496172A 1972-06-21 1972-06-21

Publications (1)

Publication Number Publication Date
CA971079A true CA971079A (en) 1975-07-15

Family

ID=23008381

Family Applications (1)

Application Number Title Priority Date Filing Date
CA170,240A Expired CA971079A (en) 1972-06-21 1973-05-02 Make-up valve for hydraulic control circuit

Country Status (4)

Country Link
US (1) US3779133A (en)
JP (1) JPS5616282B2 (en)
CA (1) CA971079A (en)
GB (2) GB1437200A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3978879A (en) * 1972-08-14 1976-09-07 Danfoss A/S Control means for hydrostatic steering systems and the like
JPS61262891A (en) * 1985-05-15 1986-11-20 オムロン株式会社 Token
JP2559619B2 (en) * 1988-08-16 1996-12-04 株式会社小松製作所 Control valve device
JP4782711B2 (en) * 2007-02-21 2011-09-28 日立建機株式会社 Direction control valve device and direction control valve device block having a plurality of the direction control valve devices

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1342338A (en) * 1962-09-29 1963-11-08 Sigma Improvements in hydraulic devices intended for reciprocating movement of high inertia elements
US3345998A (en) * 1965-02-19 1967-10-10 Gianni A Dotto Safety check valve
US3415160A (en) * 1966-12-08 1968-12-10 Applied Power Ind Inc Multi-speed fluid translator
US3470792A (en) * 1967-08-02 1969-10-07 Cessna Aircraft Co Maximum pressure control apparatus for hydraulic actuators

Also Published As

Publication number Publication date
JPS4956085A (en) 1974-05-30
JPS5616282B2 (en) 1981-04-15
GB1437200A (en) 1976-05-26
US3779133A (en) 1973-12-18
GB1437199A (en) 1976-05-26

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