BE705445A - - Google Patents

Info

Publication number
BE705445A
BE705445A BE705445DA BE705445A BE 705445 A BE705445 A BE 705445A BE 705445D A BE705445D A BE 705445DA BE 705445 A BE705445 A BE 705445A
Authority
BE
Belgium
Application number
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 filed Critical
Publication of BE705445A publication Critical patent/BE705445A/xx

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/434—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like providing automatic sequences of movements, e.g. automatic dumping or loading, automatic return-to-dig
    • 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
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices
    • 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
    • F15B21/04—Special measures taken in connection with the properties of the fluid
    • F15B21/044—Removal or measurement of undissolved gas, e.g. de-aeration, venting or bleeding

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Operation Control Of Excavators (AREA)
BE705445D 1966-10-21 1967-10-20 BE705445A (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US588481A US3400634A (en) 1966-10-21 1966-10-21 Vent means for hydraulic circuit

Publications (1)

Publication Number Publication Date
BE705445A true BE705445A (xx) 1968-04-22

Family

ID=24354011

Family Applications (1)

Application Number Title Priority Date Filing Date
BE705445D BE705445A (xx) 1966-10-21 1967-10-20

Country Status (4)

Country Link
US (1) US3400634A (xx)
BE (1) BE705445A (xx)
DE (1) DE1650333A1 (xx)
GB (1) GB1206607A (xx)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3503306A (en) * 1968-07-23 1970-03-31 Caterpillar Tractor Co Positive pressure detent and release apparatus for control valves
US3789739A (en) * 1971-08-02 1974-02-05 Cessna Aircraft Co Remote hydraulic control
US3768369A (en) * 1971-12-01 1973-10-30 Applied Power Inc Force release device
FR2220630B1 (xx) * 1973-03-09 1975-08-22 Poclain Sa
DE3000237A1 (de) * 1980-01-05 1981-07-09 Gewerkschaft Eisenhütte Westfalia, 4670 Lünen Einrichtung zur sicherung des kappenanstellzylinders eine schildausbaugestells gegen ueberstreckung
US4923362A (en) * 1988-06-06 1990-05-08 Deere & Company Bucket leveling system with dual fluid supply
US11987949B2 (en) 2017-08-30 2024-05-21 Topcon Positioning Systems, Inc. Method and apparatus for machine operator command attenuation
US11828040B2 (en) * 2019-09-27 2023-11-28 Topcon Positioning Systems, Inc. Method and apparatus for mitigating machine operator command delay

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2159879A (en) * 1936-02-07 1939-05-23 Servo Frein Dewandre Sa Pneumatic control apparatus
GB549134A (en) * 1941-08-19 1942-11-06 David Bro Tractors Ltd Improvements in hydraulic mechanism for the operation of tractor-drawn agricultural implements
US2649076A (en) * 1950-06-20 1953-08-18 Burndy Engineering Co Inc Power-operated tool with automatic control valve system
US3289546A (en) * 1964-08-11 1966-12-06 Caterpillar Tractor Co Hydraulic actuating mechanism

Also Published As

Publication number Publication date
GB1206607A (en) 1970-09-23
DE1650333A1 (de) 1971-04-15
US3400634A (en) 1968-09-10

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