CA985262A - Modulating control valve for hydraulically operated winch - Google Patents

Modulating control valve for hydraulically operated winch

Info

Publication number
CA985262A
CA985262A CA189,141A CA189141A CA985262A CA 985262 A CA985262 A CA 985262A CA 189141 A CA189141 A CA 189141A CA 985262 A CA985262 A CA 985262A
Authority
CA
Canada
Prior art keywords
control valve
hydraulically operated
modulating control
operated winch
winch
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
CA189,141A
Inventor
James L. Schmitt
David S. Ohaver
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 CA240,863A priority Critical patent/CA1006499A/en
Application granted granted Critical
Publication of CA985262A publication Critical patent/CA985262A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66D—CAPSTANS; WINCHES; TACKLES, e.g. PULLEY BLOCKS; HOISTS
    • B66D1/00—Rope, cable, or chain winding mechanisms; Capstans
    • B66D1/28—Other constructional details
    • B66D1/40—Control devices
    • B66D1/42—Control devices non-automatic
    • B66D1/44—Control devices non-automatic pneumatic of hydraulic
    • 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
    • F16D—COUPLINGS FOR TRANSMITTING ROTATION; CLUTCHES; BRAKES
    • F16D67/00—Combinations of couplings and brakes; Combinations of clutches and brakes
    • F16D67/02—Clutch-brake combinations
    • F16D67/04—Clutch-brake combinations fluid actuated
    • 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
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/8593—Systems
    • Y10T137/86493—Multi-way valve unit
    • Y10T137/86574—Supply and exhaust
    • Y10T137/8667—Reciprocating valve
    • Y10T137/86694—Piston valve
    • Y10T137/8671—With annular passage [e.g., spool]

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Hydraulic Clutches, Magnetic Clutches, Fluid Clutches, And Fluid Joints (AREA)
  • Gear-Shifting Mechanisms (AREA)
  • Multiple-Way Valves (AREA)
CA189,141A 1973-02-21 1973-12-28 Modulating control valve for hydraulically operated winch Expired CA985262A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CA240,863A CA1006499A (en) 1973-02-21 1975-12-02 Modulating control valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US05334353 US3841608A (en) 1973-02-21 1973-02-21 Modulating control valve for hydraulically operated winch

Publications (1)

Publication Number Publication Date
CA985262A true CA985262A (en) 1976-03-09

Family

ID=23306841

Family Applications (1)

Application Number Title Priority Date Filing Date
CA189,141A Expired CA985262A (en) 1973-02-21 1973-12-28 Modulating control valve for hydraulically operated winch

Country Status (4)

Country Link
US (1) US3841608A (en)
JP (2) JPS49113356A (en)
CA (1) CA985262A (en)
GB (1) GB1420054A (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990552A (en) * 1975-01-23 1976-11-09 Caterpillar Tractor Co. Variably biased control mechanism
US4042215A (en) * 1975-02-24 1977-08-16 Caterpillar Tractor Co. Winch control mechanism
US4004779A (en) * 1975-05-05 1977-01-25 Caterpillar Tractor Co. Winch and fluid control system therefor
US4093034A (en) * 1975-12-15 1978-06-06 Caterpillar Tractor Co. Vehicle supported winch
US4083382A (en) * 1976-06-03 1978-04-11 J. I. Case Company Regulating valve with hydraulic detent
US4076219A (en) * 1976-09-13 1978-02-28 Caterpillar Tractor Co. Fluid pressure-controlled winch mechanism
US4185520A (en) * 1976-10-18 1980-01-29 Paccar Inc. Method and apparatus for controlling speed and direction of a vehicular towing winch and improvements in a towing winch
US4090693A (en) * 1976-12-17 1978-05-23 Caterpillar Tractor Co. Winch valve drag brake control
US4294287A (en) * 1978-09-25 1981-10-13 Boswell William C Shifting valve
US4301713A (en) * 1978-12-07 1981-11-24 Caterpillar Tractor Co. Apparatus for supplying fluid to a plurality of mechanisms
US4746100A (en) * 1986-12-24 1988-05-24 Caterpillar Inc. Winch drag brake apparatus
US10088850B2 (en) * 2017-01-25 2018-10-02 Goodrich Corporation Brake pressure reducer valve with input pressure change compensation

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2881882A (en) * 1957-02-26 1959-04-14 Henry A Gentile Electrical hoist control system
US3027141A (en) * 1958-02-10 1962-03-27 Norman S Blodgett Winch
US3070324A (en) * 1959-01-26 1962-12-25 Kingsley M Bryman Portable wire reeling device
US2986884A (en) * 1959-03-02 1961-06-06 Whiting Corp Hydraulic hoist control circuit
US3027722A (en) * 1959-10-12 1962-04-03 Caterpillar Tractor Co Hydraulic controls for an earthmoving blade or the like
US3295420A (en) * 1964-12-14 1967-01-03 Boeing Co Hydraulic actuator
US3325149A (en) * 1966-05-17 1967-06-13 Melvin H Woodward Power transmission
US3529702A (en) * 1968-04-29 1970-09-22 Allis Chalmers Mfg Co Winch clutch and brake with modulating selector valve
US3756564A (en) * 1970-10-05 1973-09-04 Gearmatic Co Ltd Power control winch

Also Published As

Publication number Publication date
US3841608A (en) 1974-10-15
GB1420054A (en) 1976-01-07
JPS49113356A (en) 1974-10-29
JPS57203082U (en) 1982-12-24

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