GB2205385B - Improvements in a load holding and control valve,in particular for hydraulic circuits with either open or closed centre directional control valve. - Google Patents

Improvements in a load holding and control valve,in particular for hydraulic circuits with either open or closed centre directional control valve.

Info

Publication number
GB2205385B
GB2205385B GB8811170A GB8811170A GB2205385B GB 2205385 B GB2205385 B GB 2205385B GB 8811170 A GB8811170 A GB 8811170A GB 8811170 A GB8811170 A GB 8811170A GB 2205385 B GB2205385 B GB 2205385B
Authority
GB
United Kingdom
Prior art keywords
control valve
open
hydraulic circuits
load holding
directional control
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
GB8811170A
Other versions
GB8811170D0 (en
GB2205385A (en
Inventor
Andrea Storci
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.)
Oil Control SpA
Original Assignee
Oil Control SpA
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 Oil Control SpA filed Critical Oil Control SpA
Publication of GB8811170D0 publication Critical patent/GB8811170D0/en
Publication of GB2205385A publication Critical patent/GB2205385A/en
Application granted granted Critical
Publication of GB2205385B publication Critical patent/GB2205385B/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
    • 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)
  • Fluid-Pressure Circuits (AREA)
GB8811170A 1987-05-15 1988-05-11 Improvements in a load holding and control valve,in particular for hydraulic circuits with either open or closed centre directional control valve. Expired - Lifetime GB2205385B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT2895087U IT213216Z2 (en) 1987-05-15 1987-05-15 IMPROVEMENTS WITH HYDRAULIC CONTROL VALVE, IN PARTICULAR FOR HYDRAULIC CIRCUITS WITH DISTRIBUTOR EVEN WITH CLOSED CENTER

Publications (3)

Publication Number Publication Date
GB8811170D0 GB8811170D0 (en) 1988-06-15
GB2205385A GB2205385A (en) 1988-12-07
GB2205385B true GB2205385B (en) 1991-03-27

Family

ID=11224980

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8811170A Expired - Lifetime GB2205385B (en) 1987-05-15 1988-05-11 Improvements in a load holding and control valve,in particular for hydraulic circuits with either open or closed centre directional control valve.

Country Status (2)

Country Link
GB (1) GB2205385B (en)
IT (1) IT213216Z2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104763822A (en) * 2015-04-23 2015-07-08 圣邦集团有限公司 Load maintaining valve
CN110792650A (en) * 2019-11-05 2020-02-14 武芳 Threaded cartridge type load retaining valve

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2755481B1 (en) * 1996-11-07 1998-12-24 Lohr Ind DEVICE FOR HOLDING IN POSITION AND UNDER LOAD OF A HYDRAULIC CYLINDER
DE29716577U1 (en) * 1997-09-15 1997-11-13 Heilmeier & Weinlein Fabrik für Oel-Hydraulik GmbH & Co KG, 81673 München Load holding valve
DE29911076U1 (en) 1999-06-24 1999-09-23 Heilmeier & Weinlein Hydraulic load holding valve
CN102072215B (en) * 2011-02-02 2012-11-28 卢宇 Balance valve with quickly-closing valve plug
CN103267040B (en) * 2013-05-28 2015-08-19 宁波宇洲液压科技有限公司 A kind of equilibrium valve of Small-flow high-pressure compact type
CN104806594B (en) * 2015-04-23 2017-01-25 圣邦集团有限公司 Multi-way valve with oil cylinder load holding function

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1551481A (en) * 1977-01-12 1979-08-30 Ford Motor Co Hydraulic valve assembly
EP0183909A2 (en) * 1984-12-05 1986-06-11 Lang Apparatebau Gmbh Tube disconnector, especially for drinking-water conduit pipes

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1551481A (en) * 1977-01-12 1979-08-30 Ford Motor Co Hydraulic valve assembly
EP0183909A2 (en) * 1984-12-05 1986-06-11 Lang Apparatebau Gmbh Tube disconnector, especially for drinking-water conduit pipes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104763822A (en) * 2015-04-23 2015-07-08 圣邦集团有限公司 Load maintaining valve
CN104763822B (en) * 2015-04-23 2017-02-01 圣邦集团有限公司 Load maintaining valve
CN110792650A (en) * 2019-11-05 2020-02-14 武芳 Threaded cartridge type load retaining valve
CN110792650B (en) * 2019-11-05 2021-08-06 江苏军源装备制造有限公司 Threaded cartridge type load retaining valve

Also Published As

Publication number Publication date
GB8811170D0 (en) 1988-06-15
IT8728950V0 (en) 1987-05-15
IT213216Z2 (en) 1989-11-09
GB2205385A (en) 1988-12-07

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Legal Events

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

Effective date: 20050511