GB1303354A - - Google Patents

Info

Publication number
GB1303354A
GB1303354A GB1303354DA GB1303354A GB 1303354 A GB1303354 A GB 1303354A GB 1303354D A GB1303354D A GB 1303354DA GB 1303354 A GB1303354 A GB 1303354A
Authority
GB
United Kingdom
Prior art keywords
port
spool
fluid
pressure
bore
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
Other languages
English (en)
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 filed Critical
Publication of GB1303354A publication Critical patent/GB1303354A/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
    • F15B20/00—Safety arrangements for fluid actuator systems; Applications of safety devices in fluid actuator systems; Emergency measures for fluid actuator systems
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
    • F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
    • F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
    • F16K17/10—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with auxiliary valve for fluid operation of the main valve

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Injection Moulding Of Plastics Or The Like (AREA)
GB1303354D 1970-02-24 1970-02-24 Expired GB1303354A (https=)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB887270 1970-02-24

Publications (1)

Publication Number Publication Date
GB1303354A true GB1303354A (https=) 1973-01-17

Family

ID=9860911

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1303354D Expired GB1303354A (https=) 1970-02-24 1970-02-24

Country Status (1)

Country Link
GB (1) GB1303354A (https=)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826984A (zh) * 2019-04-01 2019-05-31 浙江中煤机械科技有限公司 一种先导式安全阀
CN112594106A (zh) * 2021-01-27 2021-04-02 广东津宇新能源技术有限公司 一种电动量孔结构
CN115899358A (zh) * 2022-10-31 2023-04-04 西安航天动力研究所 一种恒流阻型阀芯嵌套先导式电磁阀及其应用

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109826984A (zh) * 2019-04-01 2019-05-31 浙江中煤机械科技有限公司 一种先导式安全阀
CN109826984B (zh) * 2019-04-01 2024-05-24 浙江中煤机械科技有限公司 一种先导式安全阀
CN112594106A (zh) * 2021-01-27 2021-04-02 广东津宇新能源技术有限公司 一种电动量孔结构
CN112594106B (zh) * 2021-01-27 2024-05-07 广东瀚宇新能源装备有限公司 一种电动量孔结构
CN115899358A (zh) * 2022-10-31 2023-04-04 西安航天动力研究所 一种恒流阻型阀芯嵌套先导式电磁阀及其应用

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Legal Events

Date Code Title Description
PS Patent sealed
PLNP Patent lapsed through nonpayment of renewal fees