CH536962A - Hydraulic control device - Google Patents

Hydraulic control device

Info

Publication number
CH536962A
CH536962A CH1893271A CH1893271A CH536962A CH 536962 A CH536962 A CH 536962A CH 1893271 A CH1893271 A CH 1893271A CH 1893271 A CH1893271 A CH 1893271A CH 536962 A CH536962 A CH 536962A
Authority
CH
Switzerland
Prior art keywords
control device
hydraulic control
hydraulic
control
Prior art date
Application number
CH1893271A
Other languages
German (de)
Inventor
A Knutson Dale
Original Assignee
Applied Power Ind Inc
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 Applied Power Ind Inc filed Critical Applied Power Ind Inc
Publication of CH536962A publication Critical patent/CH536962A/en

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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • 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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/308—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom working outwardly
    • 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
    • E02F3/425—Drive systems for dipper-arms, backhoes or the like
    • 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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/10—Special arrangements for operating the actuated device with or without using fluid pressure, e.g. for emergency use
    • 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
    • F15B13/16—Special measures for feedback, e.g. by a follow-up device
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Mechanically-Actuated Valves (AREA)
CH1893271A 1971-06-25 1971-12-24 Hydraulic control device CH536962A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US15662071A 1971-06-25 1971-06-25

Publications (1)

Publication Number Publication Date
CH536962A true CH536962A (en) 1973-05-15

Family

ID=22560327

Family Applications (1)

Application Number Title Priority Date Filing Date
CH1893271A CH536962A (en) 1971-06-25 1971-12-24 Hydraulic control device

Country Status (9)

Country Link
AU (1) AU3641271A (en)
CA (1) CA951224A (en)
CH (1) CH536962A (en)
DE (1) DE2230897A1 (en)
FR (1) FR2142900B1 (en)
GB (1) GB1383779A (en)
IT (1) IT945199B (en)
NL (1) NL7116950A (en)
SE (1) SE373415B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3239596A1 (en) * 1982-10-26 1984-05-03 Alho, Harry, 78053 Nas PRESSURE CONTROLLED TOOL
US4526201A (en) * 1982-11-04 1985-07-02 Spectra-Physics, Inc. Four-way valve with internal pilot
DE68913412T2 (en) * 1988-09-08 1994-09-29 Caterpillar Inc Intuitive control lever for an implement.
US5002454A (en) * 1988-09-08 1991-03-26 Caterpillar Inc. Intuitive joystick control for a work implement
DE69004287T2 (en) * 1989-02-16 1994-02-24 Kubota Kk Hydraulic pipe arrangement for a backhoe.
FR3049014B1 (en) * 2016-03-17 2018-07-27 Agram REMOTE CONTROL OF HYDRAULIC EQUIPMENT

Also Published As

Publication number Publication date
FR2142900B1 (en) 1975-08-29
SE373415B (en) 1975-02-03
AU3641271A (en) 1973-06-07
CA951224A (en) 1974-07-16
DE2230897A1 (en) 1972-12-28
FR2142900A1 (en) 1973-02-02
NL7116950A (en) 1972-12-28
IT945199B (en) 1973-05-10
GB1383779A (en) 1974-02-12

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Legal Events

Date Code Title Description
PL Patent ceased