CA1150590A - Flow and pressure compensated valves and pump circuits incorporating the same - Google Patents

Flow and pressure compensated valves and pump circuits incorporating the same

Info

Publication number
CA1150590A
CA1150590A CA000382313A CA382313A CA1150590A CA 1150590 A CA1150590 A CA 1150590A CA 000382313 A CA000382313 A CA 000382313A CA 382313 A CA382313 A CA 382313A CA 1150590 A CA1150590 A CA 1150590A
Authority
CA
Canada
Prior art keywords
chambers
chamber
work
spool
pump
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
CA000382313A
Other languages
English (en)
French (fr)
Inventor
John D. Petro
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.)
Commercial Shearing Inc
Original Assignee
Commercial Shearing Inc
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 Commercial Shearing Inc filed Critical Commercial Shearing Inc
Application granted granted Critical
Publication of CA1150590A publication Critical patent/CA1150590A/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
    • F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
    • F16K11/06—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements
    • F16K11/065—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members
    • F16K11/07—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides
    • F16K11/0708—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only sliding valves, i.e. sliding closure elements with linearly sliding closure members with cylindrical slides comprising means to avoid jamming of the slide or means to modify the flow
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Control Of Positive-Displacement Pumps (AREA)
  • Fluid-Driven Valves (AREA)
  • Details And Applications Of Rotary Liquid Pumps (AREA)
  • Reciprocating Pumps (AREA)
  • Details Of Reciprocating Pumps (AREA)
CA000382313A 1981-02-23 1981-07-23 Flow and pressure compensated valves and pump circuits incorporating the same Expired CA1150590A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US23750681A 1981-02-23 1981-02-23
US237,506 1981-02-23

Publications (1)

Publication Number Publication Date
CA1150590A true CA1150590A (en) 1983-07-26

Family

ID=22894013

Family Applications (1)

Application Number Title Priority Date Filing Date
CA000382313A Expired CA1150590A (en) 1981-02-23 1981-07-23 Flow and pressure compensated valves and pump circuits incorporating the same

Country Status (7)

Country Link
JP (1) JPS57143181A (de)
AU (1) AU549665B2 (de)
CA (1) CA1150590A (de)
DE (1) DE3131067A1 (de)
FR (1) FR2500563B1 (de)
GB (1) GB2093952B (de)
IT (1) IT1142899B (de)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2195005B (en) * 1986-09-09 1990-05-30 Michael Irving A hydraulic or pneumatic pipeline control arrangement
JPH0753509B2 (ja) * 1987-05-30 1995-06-07 住友イ−トン機器株式会社 全油圧式パワ−ステアリング装置
DE4018972A1 (de) * 1990-06-13 1991-12-19 Rexroth Mannesmann Gmbh Pumpenanordnung zur versorgung mehrerer hydraulischer verbraucher
WO1997031208A1 (en) * 1996-02-23 1997-08-28 A'gramkow A/S Valve unit

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3486334A (en) * 1968-05-16 1969-12-30 Cessna Aircraft Co Hydraulic power transmission control
US3996744A (en) * 1975-09-02 1976-12-14 The Cessna Aircraft Company Automatic control for hydraulic power transmission
CA1104033A (en) * 1977-02-24 1981-06-30 Commercial Shearing, Inc. Pressure and flow compensated control system with constant torque and viscosity sensing over-ride

Also Published As

Publication number Publication date
JPS57143181A (en) 1982-09-04
GB2093952A (en) 1982-09-08
DE3131067A1 (de) 1982-11-18
AU549665B2 (en) 1986-02-06
AU7488981A (en) 1982-09-02
FR2500563B1 (fr) 1986-08-14
GB2093952B (en) 1985-04-24
IT1142899B (it) 1986-10-15
FR2500563A1 (fr) 1982-08-27
IT8149499A0 (it) 1981-10-15

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Legal Events

Date Code Title Description
MKEX Expiry