GB2140130B - Improvements in or relating to a hydraulic valve - Google Patents

Improvements in or relating to a hydraulic valve

Info

Publication number
GB2140130B
GB2140130B GB08409271A GB8409271A GB2140130B GB 2140130 B GB2140130 B GB 2140130B GB 08409271 A GB08409271 A GB 08409271A GB 8409271 A GB8409271 A GB 8409271A GB 2140130 B GB2140130 B GB 2140130B
Authority
GB
United Kingdom
Prior art keywords
relating
hydraulic valve
hydraulic
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
GB08409271A
Other versions
GB2140130A (en
GB8409271D0 (en
Inventor
Donald D Ziegler
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.)
Joy Manufacturing Co
Original Assignee
Joy Manufacturing 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.)
Filing date
Publication date
Application filed by Joy Manufacturing Co filed Critical Joy Manufacturing Co
Publication of GB8409271D0 publication Critical patent/GB8409271D0/en
Publication of GB2140130A publication Critical patent/GB2140130A/en
Application granted granted Critical
Publication of GB2140130B publication Critical patent/GB2140130B/en
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
    • F15B13/00—Details of servomotor systems ; Valves for servomotor systems
    • F15B13/01—Locking-valves or other detent i.e. load-holding devices

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Safety Valves (AREA)
GB08409271A 1983-05-18 1984-04-10 Improvements in or relating to a hydraulic valve Expired GB2140130B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US49589283A 1983-05-18 1983-05-18

Publications (3)

Publication Number Publication Date
GB8409271D0 GB8409271D0 (en) 1984-05-23
GB2140130A GB2140130A (en) 1984-11-21
GB2140130B true GB2140130B (en) 1986-06-25

Family

ID=23970416

Family Applications (1)

Application Number Title Priority Date Filing Date
GB08409271A Expired GB2140130B (en) 1983-05-18 1984-04-10 Improvements in or relating to a hydraulic valve

Country Status (3)

Country Link
AU (1) AU2807284A (en)
GB (1) GB2140130B (en)
ZA (1) ZA842752B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110748518A (en) * 2019-11-05 2020-02-04 武芳 Excavator load keeps valve

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3804846C2 (en) * 1988-02-17 1995-04-27 Westfalia Becorit Ind Tech Hydraulically unlockable check valve, especially for hydraulic expansion systems
CN105135013A (en) * 2015-09-30 2015-12-09 暴晗 Safety pilot valve
CN110886860B (en) * 2018-09-10 2024-07-30 中国石油天然气股份有限公司 Pipe fitting connecting valve and oil conveying equipment

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB564519A (en) * 1942-04-09 1944-10-02 Svenska Turbinfab Ab Improved barring mechanism
GB680055A (en) * 1949-12-22 1952-10-01 Mueller Otto Selector valve
GB865422A (en) * 1957-06-25 1961-04-19 Schlepperwerk Nordhausen Veb Improvements in or relating to hydraulic control valves
GB1037413A (en) * 1962-02-20 1966-07-27 Hobourn Eaton Mfg Co Ltd Fluid flow divider valves
US3776273A (en) * 1972-02-17 1973-12-04 Parker Hannifin Corp Directional control valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110748518A (en) * 2019-11-05 2020-02-04 武芳 Excavator load keeps valve
CN110748518B (en) * 2019-11-05 2021-04-06 山东金利液压科技有限公司 Excavator load keeps valve

Also Published As

Publication number Publication date
GB2140130A (en) 1984-11-21
AU2807284A (en) 1984-11-22
ZA842752B (en) 1984-11-28
GB8409271D0 (en) 1984-05-23

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Legal Events

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