FR2433665A1 - Four phase control for paired hydraulic cylinders - has piston-controlled and non-return control valves housed in single block - Google Patents

Four phase control for paired hydraulic cylinders - has piston-controlled and non-return control valves housed in single block

Info

Publication number
FR2433665A1
FR2433665A1 FR7824194A FR7824194A FR2433665A1 FR 2433665 A1 FR2433665 A1 FR 2433665A1 FR 7824194 A FR7824194 A FR 7824194A FR 7824194 A FR7824194 A FR 7824194A FR 2433665 A1 FR2433665 A1 FR 2433665A1
Authority
FR
France
Prior art keywords
piston
cylinder
controlled
hydraulic cylinders
single block
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.)
Withdrawn
Application number
FR7824194A
Other languages
French (fr)
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to FR7824194A priority Critical patent/FR2433665A1/en
Publication of FR2433665A1 publication Critical patent/FR2433665A1/en
Withdrawn legal-status Critical Current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
    • F15B13/06—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors
    • F15B13/07—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with two or more servomotors in distinct sequence
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B69/00—Steering of agricultural machines or implements; Guiding agricultural machines or implements on a desired track
    • A01B69/02—Ridge-marking or like devices; Checkrow wires; Accessories therefor
    • 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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/20—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors controlling several interacting or sequentially-operating members

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

A pair of hydraulic or pneumatic cylinders are operated in a cycle of four phases from a common control. In the first phase fluid, is admitted to a port and flows through piston controlled ball valves to reach a first cylinder. At the same time the second cylinder is maintained under pressure by a non-return valve. In the second phase, the fluid is admitted to the other port and acts on a piston to open the non-return valve and release the fluid from the second cylinder which pushes the ball to one side and flows out through the port. The third and fourth phases pressurise the second cylinder and releases pressure from the first cylinder.
FR7824194A 1978-08-18 1978-08-18 Four phase control for paired hydraulic cylinders - has piston-controlled and non-return control valves housed in single block Withdrawn FR2433665A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7824194A FR2433665A1 (en) 1978-08-18 1978-08-18 Four phase control for paired hydraulic cylinders - has piston-controlled and non-return control valves housed in single block

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7824194A FR2433665A1 (en) 1978-08-18 1978-08-18 Four phase control for paired hydraulic cylinders - has piston-controlled and non-return control valves housed in single block

Publications (1)

Publication Number Publication Date
FR2433665A1 true FR2433665A1 (en) 1980-03-14

Family

ID=9211942

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7824194A Withdrawn FR2433665A1 (en) 1978-08-18 1978-08-18 Four phase control for paired hydraulic cylinders - has piston-controlled and non-return control valves housed in single block

Country Status (1)

Country Link
FR (1) FR2433665A1 (en)

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666019A (en) * 1969-10-07 1972-05-30 Case Co J I Row marking apparatus
DE2059512A1 (en) * 1970-12-03 1972-06-08 Jochen Hillje Hydraulic or pneumatic sequential circuit without contact-bound pulse valves
US3670823A (en) * 1970-06-18 1972-06-20 Allis Chalmers Mfg Co Hydraulic row marker system
US3677348A (en) * 1971-03-15 1972-07-18 Int Harvester Co Hydraulic alternator
FR2135324A1 (en) * 1971-05-06 1972-12-15 Deere & Co
FR2174300A1 (en) * 1972-03-02 1973-10-12 Frisch Gmbh
DE2532136A1 (en) * 1975-07-18 1976-10-28 Tuenkers Kg Rotary slide valve control for cylinder drive - has cylindrical rotary piston with two ring grooves, two cut outs and connecting bores
US4067394A (en) * 1976-01-22 1978-01-10 White Farm Equipment Company Implement with automatic sequencing valve and system

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3666019A (en) * 1969-10-07 1972-05-30 Case Co J I Row marking apparatus
US3670823A (en) * 1970-06-18 1972-06-20 Allis Chalmers Mfg Co Hydraulic row marker system
DE2059512A1 (en) * 1970-12-03 1972-06-08 Jochen Hillje Hydraulic or pneumatic sequential circuit without contact-bound pulse valves
US3677348A (en) * 1971-03-15 1972-07-18 Int Harvester Co Hydraulic alternator
FR2135324A1 (en) * 1971-05-06 1972-12-15 Deere & Co
FR2174300A1 (en) * 1972-03-02 1973-10-12 Frisch Gmbh
DE2532136A1 (en) * 1975-07-18 1976-10-28 Tuenkers Kg Rotary slide valve control for cylinder drive - has cylindrical rotary piston with two ring grooves, two cut outs and connecting bores
US4067394A (en) * 1976-01-22 1978-01-10 White Farm Equipment Company Implement with automatic sequencing valve and system

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Legal Events

Date Code Title Description
RE Withdrawal of published application