FR2135038B1 - - Google Patents

Info

Publication number
FR2135038B1
FR2135038B1 FR7115792A FR7115792A FR2135038B1 FR 2135038 B1 FR2135038 B1 FR 2135038B1 FR 7115792 A FR7115792 A FR 7115792A FR 7115792 A FR7115792 A FR 7115792A FR 2135038 B1 FR2135038 B1 FR 2135038B1
Authority
FR
France
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
FR7115792A
Other languages
French (fr)
Other versions
FR2135038A1 (es
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.)
Navistar Inc
Original Assignee
International Harverster Corp
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 International Harverster Corp filed Critical International Harverster Corp
Priority to FR7115792A priority Critical patent/FR2135038B1/fr
Publication of FR2135038A1 publication Critical patent/FR2135038A1/fr
Application granted granted Critical
Publication of FR2135038B1 publication Critical patent/FR2135038B1/fr
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20—Drives; Control devices
    • E02F9/2004—Control mechanisms, e.g. control levers
    • 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
    • F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
    • F15B21/08—Servomotor systems incorporating electrically operated control means
    • F15B21/087—Control strategy, e.g. with block diagram
    • 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
    • F15B9/00—Servomotors with follow-up action, e.g. obtained by feed-back control, i.e. in which the position of the actuated member conforms with that of the controlling member
    • F15B9/16—Systems essentially having two or more interacting servomotors, e.g. multi-stage
    • F15B9/17—Systems essentially having two or more interacting servomotors, e.g. multi-stage with electrical control means

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
FR7115792A 1971-05-03 1971-05-03 Expired FR2135038B1 (es)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR7115792A FR2135038B1 (es) 1971-05-03 1971-05-03

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7115792A FR2135038B1 (es) 1971-05-03 1971-05-03

Publications (2)

Publication Number Publication Date
FR2135038A1 FR2135038A1 (es) 1972-12-15
FR2135038B1 true FR2135038B1 (es) 1976-05-28

Family

ID=9076298

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7115792A Expired FR2135038B1 (es) 1971-05-03 1971-05-03

Country Status (1)

Country Link
FR (1) FR2135038B1 (es)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5248201A (en) * 1975-10-15 1977-04-16 Hokushin Electric Works Device for operating power shovel
US4844685A (en) * 1986-09-03 1989-07-04 Clark Equipment Company Electronic bucket positioning and control system

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DK122470B (da) * 1964-11-21 1972-03-06 Elektrohydraulische Anlagen An Manøvremekanisme til hydrauliske anlæg.
DE1807171A1 (de) * 1968-11-06 1970-06-18 Bosch Gmbh Robert Einrichtung zur elektrohydraulischen Fernsteuerung hydraulischer Wegeventile

Also Published As

Publication number Publication date
FR2135038A1 (es) 1972-12-15

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Legal Events

Date Code Title Description
ST Notification of lapse