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GB2204663B - Improvements in or relating to liquid-operated valves - Google Patents

Improvements in or relating to liquid-operated valves

Info

Publication number
GB2204663B
GB2204663B GB8711523A GB8711523A GB2204663B GB 2204663 B GB2204663 B GB 2204663B GB 8711523 A GB8711523 A GB 8711523A GB 8711523 A GB8711523 A GB 8711523A GB 2204663 B GB2204663 B GB 2204663B
Authority
GB
United Kingdom
Prior art keywords
relating
liquid
operated valves
valves
operated
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
GB8711523A
Other versions
GB2204663A (en
GB8711523D0 (en
Inventor
Eric Ronald Hill
Kenneth Elvet Leah
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.)
NAT RES DEV
National Research Development Corp UK
Original Assignee
NAT RES DEV
National Research Development Corp UK
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 NAT RES DEV, National Research Development Corp UK filed Critical NAT RES DEV
Priority to GB8711523A priority Critical patent/GB2204663B/en
Publication of GB8711523D0 publication Critical patent/GB8711523D0/en
Publication of GB2204663A publication Critical patent/GB2204663A/en
Application granted granted Critical
Publication of GB2204663B publication Critical patent/GB2204663B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K31/00Actuating devices; Operating means; Releasing devices
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16KVALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K21/00Fluid-delivery valves, e.g. self-closing valves
    • F16K21/04Self-closing valves, i.e. closing automatically after operation
    • F16K21/16Self-closing valves, i.e. closing automatically after operation closing after a predetermined quantity of fluid has been delivered

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
GB8711523A 1987-05-15 1987-05-15 Improvements in or relating to liquid-operated valves Expired - Lifetime GB2204663B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB8711523A GB2204663B (en) 1987-05-15 1987-05-15 Improvements in or relating to liquid-operated valves

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB8711523A GB2204663B (en) 1987-05-15 1987-05-15 Improvements in or relating to liquid-operated valves

Publications (3)

Publication Number Publication Date
GB8711523D0 GB8711523D0 (en) 1987-06-17
GB2204663A GB2204663A (en) 1988-11-16
GB2204663B true GB2204663B (en) 1991-03-27

Family

ID=10617401

Family Applications (1)

Application Number Title Priority Date Filing Date
GB8711523A Expired - Lifetime GB2204663B (en) 1987-05-15 1987-05-15 Improvements in or relating to liquid-operated valves

Country Status (1)

Country Link
GB (1) GB2204663B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7690897B2 (en) * 2006-10-13 2010-04-06 A.O. Smith Corporation Controller for a motor and a method of controlling the motor

Also Published As

Publication number Publication date
GB2204663A (en) 1988-11-16
GB8711523D0 (en) 1987-06-17

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Legal Events

Date Code Title Description
732 Registration of transactions, instruments or events in the register (sect. 32/1977)
PE20 Patent expired after termination of 20 years

Effective date: 20070514