CA996842A - Compact fluid motor control system with float position - Google Patents

Compact fluid motor control system with float position

Info

Publication number
CA996842A
CA996842A CA202,761A CA202761A CA996842A CA 996842 A CA996842 A CA 996842A CA 202761 A CA202761 A CA 202761A CA 996842 A CA996842 A CA 996842A
Authority
CA
Canada
Prior art keywords
control system
motor control
fluid motor
float position
compact fluid
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
CA202,761A
Other versions
CA202761S (en
Inventor
Jesse L. Field (Jr.)
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
Application granted granted Critical
Publication of CA996842A publication Critical patent/CA996842A/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
    • 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
    • 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
    • Y10T137/86582—Pilot-actuated
    • Y10T137/86606—Common to plural valve motor chambers
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87177—With bypass
    • 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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87201—Common to plural valve motor chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Multiple-Way Valves (AREA)
  • Reciprocating Pumps (AREA)
CA202,761A 1973-08-08 1974-06-18 Compact fluid motor control system with float position Expired CA996842A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00386717A US3840049A (en) 1973-08-08 1973-08-08 Compact fluid motor control system with float position

Publications (1)

Publication Number Publication Date
CA996842A true CA996842A (en) 1976-09-14

Family

ID=23526742

Family Applications (1)

Application Number Title Priority Date Filing Date
CA202,761A Expired CA996842A (en) 1973-08-08 1974-06-18 Compact fluid motor control system with float position

Country Status (5)

Country Link
US (1) US3840049A (en)
JP (1) JPS5930922B2 (en)
BE (1) BE818565A (en)
CA (1) CA996842A (en)
GB (1) GB1427503A (en)

Families Citing this family (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3960059A (en) * 1974-12-09 1976-06-01 Caterpillar Tractor Co. Fast exhaust circuit for hydraulic jacks
US4085920A (en) * 1976-11-15 1978-04-25 Caterpillar Tractor Co. Pilot control valve with servo means
US4320691A (en) * 1979-11-16 1982-03-23 Caterpillar Tractor Co. Hydraulic load lifting system with hydraulic surcharge to make up valve pilot lines
WO1982003663A1 (en) * 1979-11-16 1982-10-28 Orcenith D Mcwilliams Hydraulic load lifting system with hydraulic surcharge to make up valve pilot lines
US4341243A (en) * 1980-06-16 1982-07-27 Caterpillar Tractor Co. Pressure reducing valve with floating stem for make-up vent
MX155968A (en) * 1980-06-16 1988-06-03 Caterpillar Inc IMPROVED PRESSURE REGULATING VALVE FOR A VEHICLE FLUID SYSTEM
JPS57500840A (en) * 1980-06-16 1982-05-13
US4509406A (en) * 1980-06-16 1985-04-09 Caterpillar Tractor Co. Pressure reducing valve for dead engine lowering
US4362089A (en) * 1980-06-16 1982-12-07 Caterpillar Tractor Co. Valve system
DE3071022D1 (en) * 1980-06-16 1985-09-26 Caterpillar Tractor Co Valve system
EP0072793B1 (en) * 1980-12-19 1986-07-23 Caterpillar Inc. Control for dead engine lower
US4392415A (en) * 1980-12-19 1983-07-12 Caterpillar Tractor Co. Control for dead engine lower
JPH0272204A (en) * 1989-03-17 1990-03-12 Komatsu Ltd valve
JPH0276908A (en) * 1989-03-17 1990-03-16 Komatsu Ltd Pressure oil supply method
JPH02225806A (en) * 1989-03-17 1990-09-07 Komatsu Ltd Pressure oil supply control method for work equipment cylinders
JPH04133024U (en) * 1991-05-30 1992-12-10 エヌテイエヌ株式会社 rolling bearing
EP0753691A4 (en) * 1994-03-29 1997-10-22 Komatsu Mfg Co Ltd Pilot pressure operated directional control valve and operation cylinder control device
US8418989B2 (en) * 2006-12-21 2013-04-16 M-I L.L.C. Pressure-balanced choke system
DE112007003560T5 (en) 2007-07-02 2010-05-20 Parker Hannifin Ab Fluid valve assembly
DE102014008069A1 (en) * 2014-05-30 2015-12-03 Hydac Technology Gmbh Valve device, in particular designed in the manner of a check valve, and method for operating such a valve device

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2981287A (en) * 1958-11-14 1961-04-25 American Brake Shoe Co Pilot operated valve mechanism

Also Published As

Publication number Publication date
JPS5070789A (en) 1975-06-12
GB1427503A (en) 1976-03-10
JPS5930922B2 (en) 1984-07-30
BE818565A (en) 1975-02-07
US3840049A (en) 1974-10-08

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