GB2269425B - Hydraulic circuit structure for a backhoe implement - Google Patents

Hydraulic circuit structure for a backhoe implement

Info

Publication number
GB2269425B
GB2269425B GB9313021A GB9313021A GB2269425B GB 2269425 B GB2269425 B GB 2269425B GB 9313021 A GB9313021 A GB 9313021A GB 9313021 A GB9313021 A GB 9313021A GB 2269425 B GB2269425 B GB 2269425B
Authority
GB
United Kingdom
Prior art keywords
circuit structure
hydraulic circuit
backhoe implement
backhoe
implement
Prior art date
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 - Lifetime
Application number
GB9313021A
Other versions
GB2269425A (en
GB9313021D0 (en
Inventor
Shizuo Shimoie
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.)
Kubota Corp
Original Assignee
Kubota Corp
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 Kubota Corp filed Critical Kubota Corp
Publication of GB9313021D0 publication Critical patent/GB9313021D0/en
Publication of GB2269425A publication Critical patent/GB2269425A/en
Application granted granted Critical
Publication of GB2269425B publication Critical patent/GB2269425B/en
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • 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
    • 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
    • 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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F15B20/005—Leakage; Spillage; Hose burst

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Civil Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Mechanical Engineering (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Operation Control Of Excavators (AREA)
  • Component Parts Of Construction Machinery (AREA)
  • Fluid-Pressure Circuits (AREA)
GB9313021A 1992-08-07 1993-06-24 Hydraulic circuit structure for a backhoe implement Expired - Lifetime GB2269425B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4211049A JP2702646B2 (en) 1992-08-07 1992-08-07 Hydraulic circuit structure of backhoe device

Publications (3)

Publication Number Publication Date
GB9313021D0 GB9313021D0 (en) 1993-08-11
GB2269425A GB2269425A (en) 1994-02-09
GB2269425B true GB2269425B (en) 1995-11-22

Family

ID=16599540

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9313021A Expired - Lifetime GB2269425B (en) 1992-08-07 1993-06-24 Hydraulic circuit structure for a backhoe implement

Country Status (5)

Country Link
JP (1) JP2702646B2 (en)
KR (1) KR970000247B1 (en)
DE (1) DE4324129C2 (en)
FR (1) FR2694604B1 (en)
GB (1) GB2269425B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9290912B2 (en) 2012-10-31 2016-03-22 Caterpillar Inc. Energy recovery system having integrated boom/swing circuits

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE69824066T2 (en) * 1997-03-21 2005-05-25 Kabushiki Kaisha Toyota Jidoshokki, Kariya Hydraulic control unit for industrial trucks
JP3339821B2 (en) * 1998-06-29 2002-10-28 新キャタピラー三菱株式会社 Work machine locking method and locking device
KR100559289B1 (en) * 2002-06-14 2006-03-15 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 hydraulic circuit of having float function
US8966892B2 (en) 2011-08-31 2015-03-03 Caterpillar Inc. Meterless hydraulic system having restricted primary makeup
US8863509B2 (en) 2011-08-31 2014-10-21 Caterpillar Inc. Meterless hydraulic system having load-holding bypass
US8944103B2 (en) 2011-08-31 2015-02-03 Caterpillar Inc. Meterless hydraulic system having displacement control valve
KR101142434B1 (en) * 2011-09-08 2012-05-08 (주)오비메드 Method for noninvasive prediction or diagnosis of inflammation and infection in amniotic fluid of patients with premature rupture of membranes
US9057389B2 (en) 2011-09-30 2015-06-16 Caterpillar Inc. Meterless hydraulic system having multi-actuator circuit
US8966891B2 (en) 2011-09-30 2015-03-03 Caterpillar Inc. Meterless hydraulic system having pump protection
US9151018B2 (en) 2011-09-30 2015-10-06 Caterpillar Inc. Closed-loop hydraulic system having energy recovery
US9051714B2 (en) 2011-09-30 2015-06-09 Caterpillar Inc. Meterless hydraulic system having multi-actuator circuit
US8943819B2 (en) 2011-10-21 2015-02-03 Caterpillar Inc. Hydraulic system
US8984873B2 (en) 2011-10-21 2015-03-24 Caterpillar Inc. Meterless hydraulic system having flow sharing and combining functionality
US8973358B2 (en) 2011-10-21 2015-03-10 Caterpillar Inc. Closed-loop hydraulic system having force modulation
US8978374B2 (en) 2011-10-21 2015-03-17 Caterpillar Inc. Meterless hydraulic system having flow sharing and combining functionality
US8919114B2 (en) 2011-10-21 2014-12-30 Caterpillar Inc. Closed-loop hydraulic system having priority-based sharing
US8978373B2 (en) 2011-10-21 2015-03-17 Caterpillar Inc. Meterless hydraulic system having flow sharing and combining functionality
US8893490B2 (en) 2011-10-21 2014-11-25 Caterpillar Inc. Hydraulic system
US9068578B2 (en) 2011-10-21 2015-06-30 Caterpillar Inc. Hydraulic system having flow combining capabilities
US8910474B2 (en) 2011-10-21 2014-12-16 Caterpillar Inc. Hydraulic system
US9080310B2 (en) 2011-10-21 2015-07-14 Caterpillar Inc. Closed-loop hydraulic system having regeneration configuration
US9279236B2 (en) 2012-06-04 2016-03-08 Caterpillar Inc. Electro-hydraulic system for recovering and reusing potential energy
US9290911B2 (en) 2013-02-19 2016-03-22 Caterpillar Inc. Energy recovery system for hydraulic machine

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6129813Y2 (en) * 1980-07-07 1986-09-02
DE3044143A1 (en) * 1980-11-24 1982-06-24 Linde Ag, 6200 Wiesbaden CONTROL DEVICE FOR A HYDROSTATIC DRIVE SYSTEM
EP0059471B1 (en) * 1981-03-03 1986-05-28 Hitachi Construction Machinery Co., Ltd. Hydrostatic drive system for civil engineering and construction machinery
KR870000506B1 (en) * 1981-05-02 1987-03-12 니시모도 후미히라(西元文平) Hydraulic circuit system for civil engineering and architectural machinery
JPS60211522A (en) * 1984-04-05 1985-10-23 Kubota Ltd Operating structure of working truck
DE3811312A1 (en) * 1988-04-02 1989-10-19 Bosch Gmbh Robert Double-acting working cylinder
JPH07116721B2 (en) * 1989-01-31 1995-12-13 油谷重工株式会社 Hydraulic circuit of hydraulic excavator
US4986072A (en) * 1989-08-31 1991-01-22 Kabushiki Kaisha Kobe Seiko Sho Hydraulic actuator circuit with flow-joining control
JPH0630734A (en) * 1992-07-20 1994-02-08 Kenhachiro Nakamoto Production of synthetic egg

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9290912B2 (en) 2012-10-31 2016-03-22 Caterpillar Inc. Energy recovery system having integrated boom/swing circuits

Also Published As

Publication number Publication date
DE4324129A1 (en) 1994-02-10
GB2269425A (en) 1994-02-09
GB9313021D0 (en) 1993-08-11
FR2694604A1 (en) 1994-02-11
KR940005896A (en) 1994-03-22
KR970000247B1 (en) 1997-01-08
JP2702646B2 (en) 1998-01-21
DE4324129C2 (en) 1997-04-30
FR2694604B1 (en) 1995-11-24
JPH0657786A (en) 1994-03-01

Similar Documents

Publication Publication Date Title
GB2269425B (en) Hydraulic circuit structure for a backhoe implement
GB2242657B (en) Hydraulic excavator
GB9221127D0 (en) A hydraulic manipulator
GB9105328D0 (en) A hydraulic elevator
GB2222895B (en) Hydraulic circuit structure for a working vehicle
GB2212250B (en) Hydraulic circuit for a backhoe
GB2222809B (en) Hydraulic circuit for backhoe
LTIP414A (en) Arrangement for a boom
GB2297308B (en) A Backhoe
GB2264546B (en) A hydraulic servomotor
AU2278092A (en) Ditch excavator
GB9408360D0 (en) A hydraulic circuit
GB9216529D0 (en) Excavator
GB9325720D0 (en) An attachment for a boom
AU665660B2 (en) A silt scoop
GB2269423B (en) A hydraulic actuator
PL291386A1 (en) Hydraulic excavator
GB9319801D0 (en) A hydraulic manupulator
AU116527S (en) A bucket
AU121927S (en) A dredge
PL299200A1 (en) Operating arrangement of a hydraulic single-bucket excavator
PL299203A1 (en) Operating arrangement of a hydraulic single-bucket excavator
PL299204A1 (en) Operating arrangement of a hydraulic single-bucket excavator
PL299201A1 (en) Operating arrangement of a hydraulic single-bucket excavator
PL299205A1 (en) Operating arrangement of a hydraulic single-bucket excavator

Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20130623