CH536962A - Hydraulic control device - Google Patents

Hydraulic control device

Info

Publication number: CH536962A
Authority: CH; Switzerland
Prior art keywords: control device; hydraulic control; hydraulic; control
Prior art date: 1971-06-25

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.)

1971-06-25

Filing date

1971-12-24

Publication date

1973-05-15

1971-12-24 Application filed by Applied Power Ind Inc filed Critical Applied Power Ind Inc

1973-05-15 Publication of CH536962A publication Critical patent/CH536962A/en

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)
General Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Mining & Mineral Resources (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanically-Actuated Valves (AREA)
Operation Control Of Excavators (AREA)
Fluid-Pressure Circuits (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
US5002454A (en) *	1988-09-08	1991-03-26	Caterpillar Inc.	Intuitive joystick control for a work implement
EP0361666B1 (en) *	1988-09-08	1994-03-02	Caterpillar Inc.	Intuitive joystick control for a work implement
EP0383276B1 (en) *	1989-02-16	1993-11-03	Kubota Corporation	Hydraulic piping structure for a backhoe
FR3049014B1 (en) *	2016-03-17	2018-07-27	Agram	REMOTE CONTROL OF HYDRAULIC EQUIPMENT

1971
- 1971-11-22 CA CA128,190,A patent/CA951224A/en not_active Expired
- 1971-11-29 IT IT5440871A patent/IT945199B/en active
- 1971-12-02 AU AU36412/71A patent/AU3641271A/en not_active Expired
- 1971-12-10 NL NL7116950A patent/NL7116950A/xx unknown
- 1971-12-10 FR FR7144441A patent/FR2142900B1/fr not_active Expired
- 1971-12-24 CH CH1893271A patent/CH536962A/en not_active IP Right Cessation
1972
- 1972-01-24 SE SE73772A patent/SE373415B/en unknown
- 1972-06-06 GB GB2639672A patent/GB1383779A/en not_active Expired
- 1972-06-23 DE DE19722230897 patent/DE2230897A1/en active Pending

Also Published As

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

Publication	Publication Date	Title
BR7202795D0 (en)	1973-05-31	HYDRAULIC SET
DE2327694A1 (en)	1973-12-13	CONTROL DEVICE
SE404238B (en)	1978-09-25	HYDRAULIC CONTROL DEVICE
SE380873B (en)	1975-11-17	HYDRAULIC CONTROL DEVICE
SE400241B (en)	1978-03-20	HYDROSTATIC CONTROL DEVICE
CH537574A (en)	1973-05-31	Flow control device
SE384922B (en)	1976-05-24	VETEJONKENSLIG METAN DEVICE
AT344469B (en)	1978-07-25	HYDRAULIC CONTROL DEVICE
SE380308B (en)	1975-11-03	CONTROL SYSTEM
IT950066B (en)	1973-06-20	ELECTRO-HYDRAULIC CONTROL DEVICE
IT964884B (en)	1974-01-31	HYDRAULIC ACTUATOR
SE383389B (en)	1976-03-08	FLEKING DEVICE
NL173671C (en)	1984-02-16	PNEUMATIC OR HYDRAULIC CONTROL DEVICE.
IT1001973B (en)	1976-04-30	HYDRAULIC CONTROL DEVICE
SE397315B (en)	1977-10-31	SLIDE CONTROL DEVICE
CH500407A (en)	1970-12-15	Hydraulic control device
BE792168A (en)	1973-05-30	FLOW CONTROL DEVICE
AR198808A1 (en)	1974-07-24	A HYDRAULIC FORCE CONTROL DEVICE
TR17651A (en)	1975-07-23	HARARET MUEBADELE DEVICE
CH536962A (en)	1973-05-15	Hydraulic control device
FI52640C (en)	1977-10-10	Control device
BE780969A (en)	1972-09-21	CONTROL DEVICE
IT955906B (en)	1973-09-29	CONTROL DEVICE
AT325104B (en)	1975-10-10	VEHICLE CONTROL DEVICE
CH518205A (en)	1972-01-31	Pressure control device

Legal Events

Date	Code	Title	Description
1976-07-30	PL	Patent ceased