DE3465969D1 - Hydraulic system with proportional control - Google Patents

Hydraulic system with proportional control

Info

Publication number: DE3465969D1
Authority: DE; Germany
Prior art keywords: hydraulic system; proportional control; proportional; control; hydraulic
Prior art date: 1983-04-18
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

DE8484302591T

Other languages

German (de)

Inventor

George Joseph Trusock

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.)

Doosan Bobcat North America Inc

Original Assignee

Clark Equipment Co

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.)

1983-04-18

Filing date

1984-04-17

Publication date

1987-10-15

1984-04-17 Application filed by Clark Equipment Co filed Critical Clark Equipment Co

1987-10-15 Application granted granted Critical

1987-10-15 Publication of DE3465969D1 publication Critical patent/DE3465969D1/en

Status Expired legal-status Critical Current

Links

Classifications

- 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
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
- B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
- B66F9/075—Constructional features or details
- B66F9/20—Means for actuating or controlling masts, platforms, or forks
- B66F9/22—Hydraulic devices or systems

Landscapes

Engineering & Computer Science (AREA)
Mechanical Engineering (AREA)
Structural Engineering (AREA)
Transportation (AREA)
Chemical & Material Sciences (AREA)
Fluid Mechanics (AREA)
General Engineering & Computer Science (AREA)
Combustion & Propulsion (AREA)
Physics & Mathematics (AREA)
Civil Engineering (AREA)
Analytical Chemistry (AREA)
Life Sciences & Earth Sciences (AREA)
Geology (AREA)
Fluid-Pressure Circuits (AREA)
Forklifts And Lifting Vehicles (AREA)
Power Steering Mechanism (AREA)

DE8484302591T 1983-04-18 1984-04-17 Hydraulic system with proportional control Expired DE3465969D1 (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
US48620183A	1983-04-18	1983-04-18

Publications (1)

Publication Number	Publication Date
DE3465969D1 true DE3465969D1 (en)	1987-10-15

Family

ID=23930995

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
DE8484302591T Expired DE3465969D1 (en)	1983-04-18	1984-04-17	Hydraulic system with proportional control

Country Status (7)

Country	Link
EP (1)	EP0122807B1 (en)
JP (1)	JPS59217598A (en)
AU (1)	AU2673284A (en)
CA (1)	CA1221152A (en)
DE (1)	DE3465969D1 (en)
ES (1)	ES531559A0 (en)
ZA (1)	ZA841931B (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
CN1007632B (en) *	1985-12-28	1990-04-18	日立建机株式会社	Control system of hydraulic constructional mechanism
JPS63230497A (en) *	1987-03-20	1988-09-26	日産自動車株式会社	Cargo gear for industrial car
JPH0326801U (en) *	1989-07-27	1991-03-19
DE4129858A1 (en) *	1991-09-07	1993-03-11	Kiwa Maschinenfabrik Gmbh	METHOD AND CIRCUIT FOR CONTROLLING, IN PARTICULAR A CRANE SYSTEM
US6853271B2 (en)	2001-11-14	2005-02-08	Radio Frequency Systems, Inc.	Triple-mode mono-block filter assembly
ITUA20164446A1 (en) *	2016-06-16	2017-12-16	Merlo Project Srl	VEHICLE LIFT CONFIGURED FOR THE ATTACHMENT OF HIGH POWER HYDRAULIC EQUIPMENT

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1410193A (en) *	1972-04-14	1975-10-15	Lancer Boss Ltd	Hydraulic control circuits
US4144946A (en) *	1977-07-05	1979-03-20	Towmotor Corporation	Hydraulic priority circuit
JPS5822299A (en) *	1981-07-29	1983-02-09	日産自動車株式会社	Forklift
EP0072233B1 (en) *	1981-08-10	1986-04-02	Clark Equipment Company	Vehicle and hydraulic system with single pump therefor

1984
- 1984-03-14 CA CA000449624A patent/CA1221152A/en not_active Expired
- 1984-03-15 ZA ZA841931A patent/ZA841931B/en unknown
- 1984-04-11 AU AU26732/84A patent/AU2673284A/en not_active Abandoned
- 1984-04-12 ES ES531559A patent/ES531559A0/en active Granted
- 1984-04-17 DE DE8484302591T patent/DE3465969D1/en not_active Expired
- 1984-04-17 EP EP84302591A patent/EP0122807B1/en not_active Expired
- 1984-04-18 JP JP59076763A patent/JPS59217598A/en active Pending

Also Published As

Publication number	Publication date
ES8507234A1 (en)	1985-08-16
CA1221152A (en)	1987-04-28
ZA841931B (en)	1984-10-31
AU2673284A (en)	1984-10-25
EP0122807B1 (en)	1987-09-09
ES531559A0 (en)	1985-08-16
JPS59217598A (en)	1984-12-07
EP0122807A1 (en)	1984-10-24

Legal Events

Date	Code	Title	Description
1988-09-29	8364	No opposition during term of opposition
1998-04-09	8339	Ceased/non-payment of the annual fee

Publication	Publication Date	Title
GB2148544B (en)	1988-02-03	Distributed control system
GB8412516D0 (en)	1984-06-20	Fluid control means
IL61719A (en)	1987-10-30	Hydraulic control system
GB8327703D0 (en)	1983-11-16	Hydraulic control system
GB8401852D0 (en)	1984-02-29	Hydraulic control system
GB8332882D0 (en)	1984-01-18	Hydraulic control system
GB2103390B (en)	1984-11-28	Hydraulic system with proportional electrical control
GB8414377D0 (en)	1984-07-11	Fluid control means
GB2099184B (en)	1985-06-05	Forklift control system
DE3274280D1 (en)	1987-01-02	Hydraulic control system
DE3471138D1 (en)	1988-06-16	Hydraulic control device
DE3465969D1 (en)	1987-10-15	Hydraulic system with proportional control
DE3364878D1 (en)	1986-09-04	Hydraulic control system
GB2147053B (en)	1987-04-01	Hydraulic control system
GB2141529B (en)	1987-08-19	Control system
DE3268279D1 (en)	1986-02-13	Hydraulic control means
GB2074759B (en)	1984-02-15	Hydraulic control system
DE3460234D1 (en)	1986-07-24	Hydraulic control device
GB8322888D0 (en)	1983-09-28	Control system
DE3567509D1 (en)	1989-02-16	Hydraulic control system
GB2082800B (en)	1983-12-07	Integrated hydraulic control system
DE3271342D1 (en)	1986-07-03	Hydraulic control systems
GB8530585D0 (en)	1986-01-22	Hydraulic control system
GB8502304D0 (en)	1985-02-27	Hydraulic control system
GB8320464D0 (en)	1983-09-01	Hydraulic control system