JPS5220088Y2 - - Google Patents

Info

Publication number: JPS5220088Y2
Authority: JP; Japan
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

JP8379772U

Other languages

Japanese (ja)

Other versions

JPS4941902U (en

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.)

1972-07-15

Filing date

1972-07-15

Publication date

1977-05-10

1972-07-15 Application filed filed Critical

1972-07-15 Priority to JP8379772U priority Critical patent/JPS5220088Y2/ja

1973-07-16 Priority to FR7326019A priority patent/FR2193156B1/fr

1973-07-16 Priority to DE19732336157 priority patent/DE2336157C3/en

1973-07-16 Priority to BE133518A priority patent/BE802390A/en

1974-04-12 Publication of JPS4941902U publication Critical patent/JPS4941902U/ja

1977-05-10 Application granted granted Critical

1977-05-10 Publication of JPS5220088Y2 publication Critical patent/JPS5220088Y2/ja

Status Expired legal-status Critical Current

Links

Classifications

- B—PERFORMING OPERATIONS; TRANSPORTING
- B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
- B62D—MOTOR VEHICLES; TRAILERS
- B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
- B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
- B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
- B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
- B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
- B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
- B62D11/183—Control systems therefor
- 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
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2221—Control of flow rate; Load sensing arrangements
- E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance
- 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
- E02F9/22—Hydraulic or pneumatic drives
- E02F9/2278—Hydraulic circuits
- E02F9/2292—Systems with two or more pumps
- 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
- F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
- F15B11/17—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors using two or more pumps
- 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
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/20576—Systems with pumps with multiple pumps
- 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
- F15B2211/30505—Non-return valves, i.e. check valves
- 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
- F15B2211/3056—Assemblies of multiple valves
- F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple output members
- F15B2211/30595—Assemblies of multiple valves having multiple valves for multiple output members with additional valves between the groups of valves for multiple output members
- 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
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3105—Neutral or centre positions
- F15B2211/3116—Neutral or centre positions the pump port being open in the centre position, e.g. so-called open centre
- 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
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
- F15B2211/31582—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having multiple pressure sources and a single output member
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
- F15B2211/7142—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being arranged in multiple groups
- 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
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/78—Control of multiple output members
- F15B2211/781—Control of multiple output members one or more output members having priority

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Fluid Mechanics (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Physics & Mathematics (AREA)
Mining & Mineral Resources (AREA)
Mechanical Engineering (AREA)
Automation & Control Theory (AREA)
Chemical & Material Sciences (AREA)
Combustion & Propulsion (AREA)
Transportation (AREA)
Operation Control Of Excavators (AREA)
Fluid-Pressure Circuits (AREA)

JP8379772U 1972-07-15 1972-07-15 Expired JPS5220088Y2 (en)

Priority Applications (4)

Application Number	Priority Date	Filing Date	Title
JP8379772U JPS5220088Y2 (en)	1972-07-15	1972-07-15
FR7326019A FR2193156B1 (en)	1972-07-15	1973-07-16
DE19732336157 DE2336157C3 (en)	1972-07-15	1973-07-16	Self-propelled lifting and conveying vehicle for earthworks and the like
BE133518A BE802390A (en)	1972-07-15	1973-07-16	HYDRAULIC CONTROL CIRCUIT FOR HYDRAULIC EXCAVATOR

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
JP8379772U JPS5220088Y2 (en)	1972-07-15	1972-07-15

Publications (2)

Publication Number	Publication Date
JPS4941902U JPS4941902U (en)	1974-04-12
JPS5220088Y2 true JPS5220088Y2 (en)	1977-05-10

Family

ID=27992350

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
JP8379772U Expired JPS5220088Y2 (en)	1972-07-15	1972-07-15

Country Status (3)

Country	Link
JP (1)	JPS5220088Y2 (en)
BE (1)	BE802390A (en)
FR (1)	FR2193156B1 (en)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
JPS4836062U (en) *	1971-09-09	1973-04-28
US4171054A (en) *	1976-12-28	1979-10-16	Kubota, Ltd.	Work vehicle with hydraulic circuit for swivel motor and work assembly arm motor
JPS56501459A (en) *	1979-11-01	1981-10-08
GB2090383B (en) *	1980-12-26	1984-08-30	Kubota Ltd	Hydrostatic transmission for a tracked vehicle
JPS64447Y2 (en) *	1981-04-06	1989-01-06
JPS5833569U (en) *	1981-08-26	1983-03-04	株式会社タダノ	Work vehicle hydraulic circuit
AU631727B2 (en) *	1990-03-09	1992-12-03	Kubota Corporation	Hydraulic circuit for a working vehicle having a plurality of hydraulic actuators
JP3195989B2 (en) *	1990-12-31	2001-08-06	帝人製機株式会社	Crawler vehicle traveling hydraulic circuit
US6018895A (en) *	1996-03-28	2000-02-01	Clark Equipment Company	Valve stack in a mini-excavator directing fluid under pressure from multiple pumps to actuable elements
AU720849B2 (en) *	1996-03-28	2000-06-15	Clark Equipment Company	Multifunction valve stack
DK1911979T3 (en) *	2006-10-11	2011-10-10	Studio Tecnico 6M Srl	Dynamic fluid device
US7712555B2 (en) *	2007-06-04	2010-05-11	Clark Equipment Company	Steerable series two speed motor configuration

1972
- 1972-07-15 JP JP8379772U patent/JPS5220088Y2/ja not_active Expired
1973
- 1973-07-16 BE BE133518A patent/BE802390A/en not_active IP Right Cessation
- 1973-07-16 FR FR7326019A patent/FR2193156B1/fr not_active Expired

Also Published As

Publication number	Publication date
DE2336157B2 (en)	1976-07-08
JPS4941902U (en)	1974-04-12
FR2193156A1 (en)	1974-02-15
FR2193156B1 (en)	1982-07-02
BE802390A (en)	1973-11-16
DE2336157A1 (en)	1974-01-24

Publication	Publication Date	Title
CS152750B1 (en)	1974-02-22
FR2197047B1 (en)	1978-03-10
JPS5339623Y2 (en)	1978-09-26
CS153299B1 (en)	1974-02-25
CS153317B1 (en)	1974-02-25
CS155400B1 (en)	1974-05-30
CS155484B1 (en)	1974-05-30
CH570644B5 (en)	1975-12-15
CH574008B5 (en)	1976-03-31
CH1654373A4 (en)	1975-06-30
CH559379A5 (en)	1975-02-28
CH559497A5 (en)	1975-02-28
CH560461A5 (en)	1975-03-27
CH561884A5 (en)	1975-05-15
CH562095A5 (en)	1975-05-30
CH562411A5 (en)	1975-05-30
CH563243A5 (en)	1975-06-30
CH563883A5 (en)	1975-07-15
CH564287A5 (en)	1975-07-15
CH564887A5 (en)	1975-07-31
CH564972A5 (en)	1975-08-15
CH565004A5 (en)	1975-08-15
CH567795A5 (en)	1975-10-15
CH569546A5 (en)	1975-11-28
BG21854A3 (en)	1976-09-20