GB2118276B - Safety valve in hydraulic circuit - Google Patents

Safety valve in hydraulic circuit

Info

Publication number
GB2118276B
GB2118276B GB08302447A GB8302447A GB2118276B GB 2118276 B GB2118276 B GB 2118276B GB 08302447 A GB08302447 A GB 08302447A GB 8302447 A GB8302447 A GB 8302447A GB 2118276 B GB2118276 B GB 2118276B
Authority
GB
United Kingdom
Prior art keywords
safety valve
hydraulic circuit
hydraulic
safety
valve
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
Application number
GB08302447A
Other versions
GB8302447D0 (en
GB2118276A (en
Inventor
Friedrich Fichtner
Reinhard Masannek
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.)
CNH Industrial Baumaschinen GmbH
Original Assignee
O&K Orenstein and Koppel GmbH
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 O&K Orenstein and Koppel GmbH filed Critical O&K Orenstein and Koppel GmbH
Publication of GB8302447D0 publication Critical patent/GB8302447D0/en
Publication of GB2118276A publication Critical patent/GB2118276A/en
Application granted granted Critical
Publication of GB2118276B publication Critical patent/GB2118276B/en
Expired legal-status Critical Current

Links

Classifications

    • 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
    • E02F9/24—Safety devices, e.g. for preventing overload
    • 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
    • F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
    • F15B13/04—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor
    • F15B13/042—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure
    • F15B13/0422—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors for use with a single servomotor operated by fluid pressure with manually-operated pilot valves, e.g. joysticks
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • Mechanical Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Preventing Unauthorised Actuation Of Valves (AREA)
  • Operation Control Of Excavators (AREA)
GB08302447A 1982-02-02 1983-01-28 Safety valve in hydraulic circuit Expired GB2118276B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE3203432A DE3203432C2 (en) 1982-02-02 1982-02-02 Hand-operated, route-dependent ballast control device on the driver's cab of a construction machine

Publications (3)

Publication Number Publication Date
GB8302447D0 GB8302447D0 (en) 1983-03-02
GB2118276A GB2118276A (en) 1983-10-26
GB2118276B true GB2118276B (en) 1985-06-19

Family

ID=6154560

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08302447A Expired GB2118276B (en) 1982-02-02 1983-01-28 Safety valve in hydraulic circuit

Country Status (5)

Country Link
JP (1) JPS58134209A (en)
DE (1) DE3203432C2 (en)
FR (1) FR2520816B1 (en)
GB (1) GB2118276B (en)
IT (1) IT1164606B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE4001681C1 (en) * 1990-01-22 1990-12-20 Wirth Maschinen- Und Bohrgeraete-Fabrik Gmbh, 5140 Erkelenz, De

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB689796A (en) * 1950-06-30 1953-04-08 Charles Bernard Marshall Improvements in or relating to hydraulic stop valves
US3183977A (en) * 1962-12-03 1965-05-18 Allis Chalmers Mfg Co Tractor power lift system
JPS50137494U (en) * 1974-04-27 1975-11-12
US3960059A (en) * 1974-12-09 1976-06-01 Caterpillar Tractor Co. Fast exhaust circuit for hydraulic jacks
FR2357764A1 (en) * 1976-07-06 1978-02-03 Poclain Sa AT LEAST TWO FLUID MOTOR UNITS
DE2649793C2 (en) * 1976-10-29 1983-09-08 Hartmann & Lämmle GmbH & Co KG, 7255 Rutesheim Safety control for a hydraulically operated press

Also Published As

Publication number Publication date
DE3203432C2 (en) 1985-02-14
JPS58134209A (en) 1983-08-10
JPH0366526B2 (en) 1991-10-17
GB8302447D0 (en) 1983-03-02
IT8347642A0 (en) 1983-02-01
FR2520816B1 (en) 1985-07-26
DE3203432A1 (en) 1983-08-11
IT1164606B (en) 1987-04-15
GB2118276A (en) 1983-10-26
FR2520816A1 (en) 1983-08-05

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 19970128