CA1014047A - Direction control valve having float mode - Google Patents

Direction control valve having float mode

Info

Publication number
CA1014047A
CA1014047A CA212,509A CA212509A CA1014047A CA 1014047 A CA1014047 A CA 1014047A CA 212509 A CA212509 A CA 212509A CA 1014047 A CA1014047 A CA 1014047A
Authority
CA
Canada
Prior art keywords
control valve
direction control
float mode
float
mode
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
CA212,509A
Other languages
English (en)
Inventor
Paul E. Hanser
William L. Snyder
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.)
Deere and Co
Original Assignee
Deere and 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 Deere and Co filed Critical Deere and Co
Application granted granted Critical
Publication of CA1014047A publication Critical patent/CA1014047A/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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-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
    • Y10T137/87169—Supply and exhaust
    • Y10T137/87193—Pilot-actuated
    • Y10T137/87209—Electric

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)
  • Fluid-Driven Valves (AREA)
CA212,509A 1974-04-26 1974-10-29 Direction control valve having float mode Expired CA1014047A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US46430874 US3924656A (en) 1974-04-26 1974-04-26 Direction control valve having float mode

Publications (1)

Publication Number Publication Date
CA1014047A true CA1014047A (en) 1977-07-19

Family

ID=23843397

Family Applications (1)

Application Number Title Priority Date Filing Date
CA212,509A Expired CA1014047A (en) 1974-04-26 1974-10-29 Direction control valve having float mode

Country Status (6)

Country Link
US (1) US3924656A (fr)
JP (1) JPS5844883B2 (fr)
AR (1) AR212426A1 (fr)
CA (1) CA1014047A (fr)
FR (1) FR2268964B1 (fr)
GB (1) GB1462846A (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4039085A (en) * 1976-06-10 1977-08-02 Koehring Company Crane with a pivoted boom and a float valve therefor
US4096784A (en) * 1976-09-07 1978-06-27 Theodore Ongaro Hydraulic power system
US4141382A (en) * 1977-11-03 1979-02-27 Deere & Company Controls for actuating a direction control valve to and releasing it from a float-effecting condition
US4336826A (en) * 1980-05-02 1982-06-29 Fluid Controls, Inc. Control valve
US4660649A (en) * 1981-03-03 1987-04-28 Anderson Jack F Rotary tiller tool apparatus with vertical lift force variable in direct proportion to pressure to rotate tiller tool
US4526201A (en) * 1982-11-04 1985-07-02 Spectra-Physics, Inc. Four-way valve with internal pilot
US5038670A (en) * 1990-04-09 1991-08-13 Dynamic Valves, Inc. Pneumatic control valve apparatus
US5921279A (en) * 1998-04-29 1999-07-13 Husco International, Inc. Solenoid operated dual spool control valve
DE102008031745A1 (de) * 2008-07-04 2010-01-07 Hydac Filtertechnik Gmbh Hydraulische Ventilvorrichtung

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2503827A (en) * 1945-09-24 1950-04-11 Bendix Aviat Corp Four-way valve
CA930279A (en) * 1969-11-13 1973-07-17 Deere And Company Directional control valve
US3739813A (en) * 1970-08-13 1973-06-19 Marotta Scientific Controls Power and speed control for double-acting cylinder-and-piston motor

Also Published As

Publication number Publication date
JPS50141733A (fr) 1975-11-14
JPS5844883B2 (ja) 1983-10-06
FR2268964B1 (fr) 1977-04-15
FR2268964A1 (fr) 1975-11-21
DE2517678A1 (de) 1975-10-30
DE2517678B2 (de) 1976-08-26
GB1462846A (en) 1977-01-26
US3924656A (en) 1975-12-09
AR212426A1 (es) 1978-07-14

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