AU620109B2 - Electrically controlled auxiliary hydraulic system for a skid steer loader - Google Patents

Electrically controlled auxiliary hydraulic system for a skid steer loader Download PDF

Info

Publication number: AU620109B2
Authority: AU; Australia
Prior art keywords: auxiliary; hydraulic; switch; pressure; operator
Prior art date: 1988-07-27
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.): Ceased

Application number

AU37062/89A

Other languages

English (en)

Other versions

AU3706289A (en

Inventor

Thomas Q. Haeder

Scott B. Jacobson

Joseph M. Mather

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.)

1988-07-27

Filing date

1989-06-27

Publication date

1992-02-13

1989-06-27 Application filed by Clark Equipment Co filed Critical Clark Equipment Co

1990-02-01 Publication of AU3706289A publication Critical patent/AU3706289A/en

1992-02-13 Application granted granted Critical

1992-02-13 Publication of AU620109B2 publication Critical patent/AU620109B2/en

2009-06-27 Anticipated expiration legal-status Critical

Status Ceased 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
- 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

Landscapes

Engineering & Computer Science (AREA)
General Engineering & Computer Science (AREA)
Mining & Mineral Resources (AREA)
Civil Engineering (AREA)
Structural Engineering (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Physics & Mathematics (AREA)
Fluid Mechanics (AREA)
Mechanical Engineering (AREA)
Operation Control Of Excavators (AREA)

AU37062/89A 1988-07-27 1989-06-27 Electrically controlled auxiliary hydraulic system for a skid steer loader Ceased AU620109B2 (en)

Applications Claiming Priority (2)

Application Number	Priority Date	Filing Date	Title
US22464388A	1988-07-27	1988-07-27
US224643		1988-07-27

Publications (2)

Publication Number	Publication Date
AU3706289A AU3706289A (en)	1990-02-01
AU620109B2 true AU620109B2 (en)	1992-02-13

Family

ID=22841539

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AU37062/89A Ceased AU620109B2 (en)	1988-07-27	1989-06-27	Electrically controlled auxiliary hydraulic system for a skid steer loader

Country Status (5)

Country	Link
EP (1)	EP0352654B1 (de)
JP (1)	JP2696402B2 (de)
AU (1)	AU620109B2 (de)
CA (1)	CA1336203C (de)
DE (1)	DE68912013T2 (de)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB9108011D0 (en) *	1991-04-16	1991-06-05	Craig Tractor Services Limited	Road sweeping apparatus
US5957213A (en) *	1996-05-30	1999-09-28	Clark Equipment Company	Intelligent attachment to a power tool
US5711391A (en) *	1996-06-17	1998-01-27	Clark Equipment Company	Auxiliary interlock control system for power machine
US6662881B2 (en)	2001-06-19	2003-12-16	Sweepster, Llc	Work attachment for loader vehicle having wireless control over work attachment actuator
KR100559291B1 (ko) *	2003-06-25	2006-03-15	볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비	중장비 옵션장치용 유압회로
KR100527378B1 (ko) *	2003-06-25	2005-11-09	볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비	붐합류용 스플을 이용한 중장비 옵션장치용 유압회로
FR2900693B1 (fr) *	2006-05-02	2008-07-04	Etude Et D Innovation Dans Le	Dispositif de commande hydraulique de verins de machines et ses applications
JP6293289B2 (ja) *	2015-07-07	2018-03-14	ヤンマー株式会社	トラクタ
CN113757203B (zh) *	2021-09-13	2022-04-15	徐工集团工程机械股份有限公司科技分公司	一种装载机电控液压系统及装载机

Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4050596A (en) *	1975-07-24	1977-09-27	Control Concepts, Inc.	Electrohydraulic valve assembly for front end loader attachment to farm tractor
GB2186999A (en) *	1986-02-12	1987-08-26	Kubota Ltd	Control apparatus and proportional solenoid valve control circuit for boom-equipped working implement
US4712376A (en) *	1986-10-22	1987-12-15	Caterpillar Inc.	Proportional valve control apparatus for fluid systems

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US3279637A (en) *	1964-09-08	1966-10-18	Robert A Olson	Hydraulic drive control mechanism for vehicles
US3319817A (en) *	1965-07-01	1967-05-16	Universal Mfg Company	Self-propelled loader
US3606048A (en) *	1969-09-05	1971-09-20	Long Mfg Co Inc	Vehicle having front,central and rear implements
GB1558604A (en) *	1976-07-07	1980-01-09	Inst Cercetare Si Proiectare T	Skid-steer loader

1989
- 1989-06-15 CA CA 602953 patent/CA1336203C/en not_active Expired - Fee Related
- 1989-06-27 AU AU37062/89A patent/AU620109B2/en not_active Ceased
- 1989-07-21 EP EP19890113432 patent/EP0352654B1/de not_active Expired - Lifetime
- 1989-07-21 DE DE1989612013 patent/DE68912013T2/de not_active Expired - Fee Related
- 1989-07-26 JP JP1193777A patent/JP2696402B2/ja not_active Expired - Lifetime

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
US4050596A (en) *	1975-07-24	1977-09-27	Control Concepts, Inc.	Electrohydraulic valve assembly for front end loader attachment to farm tractor
GB2186999A (en) *	1986-02-12	1987-08-26	Kubota Ltd	Control apparatus and proportional solenoid valve control circuit for boom-equipped working implement
US4712376A (en) *	1986-10-22	1987-12-15	Caterpillar Inc.	Proportional valve control apparatus for fluid systems

Also Published As

Publication number	Publication date
EP0352654A3 (en)	1990-03-28
DE68912013T2 (de)	1994-08-04
JPH0270838A (ja)	1990-03-09
DE68912013D1 (de)	1994-02-17
CA1336203C (en)	1995-07-04
AU3706289A (en)	1990-02-01
JP2696402B2 (ja)	1998-01-14
EP0352654B1 (de)	1994-01-05
EP0352654A2 (de)	1990-01-31

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Legal Events

Date	Code	Title	Description
2004-02-05	MK14	Patent ceased section 143(a) (annual fees not paid) or expired