FR1452609A - Hydraulic control device, in particular for agricultural machinery, and machine equipped with such a device - Google Patents

Hydraulic control device, in particular for agricultural machinery, and machine equipped with such a device

Info

Publication number
FR1452609A
FR1452609A FR987231A FR987231A FR1452609A FR 1452609 A FR1452609 A FR 1452609A FR 987231 A FR987231 A FR 987231A FR 987231 A FR987231 A FR 987231A FR 1452609 A FR1452609 A FR 1452609A
Authority
FR
France
Prior art keywords
hydraulic control
agricultural machinery
machine equipped
control device
agricultural
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
FR987231A
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.)
Z K L ZD Y NA VALIVA LOZISKA A
ZKL ZAVODY NA VALIVA LOZISKA A TRAKTORY NARODNI PODNIK
Original Assignee
Z K L ZD Y NA VALIVA LOZISKA A
ZKL ZAVODY NA VALIVA LOZISKA A TRAKTORY NARODNI PODNIK
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 Z K L ZD Y NA VALIVA LOZISKA A, ZKL ZAVODY NA VALIVA LOZISKA A TRAKTORY NARODNI PODNIK filed Critical Z K L ZD Y NA VALIVA LOZISKA A
Priority to FR987231A priority Critical patent/FR1452609A/en
Application granted granted Critical
Publication of FR1452609A publication Critical patent/FR1452609A/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
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • 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
    • A01B63/00—Lifting or adjusting devices or arrangements for agricultural machines or implements
    • A01B63/02—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors
    • A01B63/10—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means
    • A01B63/1006—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor
    • A01B63/1013—Lifting or adjusting devices or arrangements for agricultural machines or implements for implements mounted on tractors operated by hydraulic or pneumatic means the hydraulic or pneumatic means structurally belonging to the tractor and being located inside the tractor body
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
    • 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
    • F15B2211/00—Circuits for servomotor systems
    • F15B2211/50—Pressure control
    • F15B2211/55—Pressure control for limiting a pressure up to a maximum pressure, e.g. by using a pressure relief valve

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)
FR987231A 1964-09-04 1964-09-04 Hydraulic control device, in particular for agricultural machinery, and machine equipped with such a device Expired FR1452609A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR987231A FR1452609A (en) 1964-09-04 1964-09-04 Hydraulic control device, in particular for agricultural machinery, and machine equipped with such a device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR987231A FR1452609A (en) 1964-09-04 1964-09-04 Hydraulic control device, in particular for agricultural machinery, and machine equipped with such a device

Publications (1)

Publication Number Publication Date
FR1452609A true FR1452609A (en) 1966-04-15

Family

ID=8837831

Family Applications (1)

Application Number Title Priority Date Filing Date
FR987231A Expired FR1452609A (en) 1964-09-04 1964-09-04 Hydraulic control device, in particular for agricultural machinery, and machine equipped with such a device

Country Status (1)

Country Link
FR (1) FR1452609A (en)

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