GB2262972B - One way valve - Google Patents

One way valve

Info

Publication number
GB2262972B
GB2262972B GB9211003A GB9211003A GB2262972B GB 2262972 B GB2262972 B GB 2262972B GB 9211003 A GB9211003 A GB 9211003A GB 9211003 A GB9211003 A GB 9211003A GB 2262972 B GB2262972 B GB 2262972B
Authority
GB
United Kingdom
Prior art keywords
way valve
valve
way
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 - Fee Related
Application number
GB9211003A
Other versions
GB2262972A (en
GB9211003D0 (en
Inventor
Geoffrey Francis Herlihy
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.)
Rapid Developments Ltd
Original Assignee
Rapid Developments Ltd
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 Rapid Developments Ltd filed Critical Rapid Developments Ltd
Publication of GB9211003D0 publication Critical patent/GB9211003D0/en
Publication of GB2262972A publication Critical patent/GB2262972A/en
Application granted granted Critical
Publication of GB2262972B publication Critical patent/GB2262972B/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • 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
    • F16K15/00—Check valves
    • F16K15/02—Check valves with guided rigid valve members
    • F16K15/03—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member
    • 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
    • F16K15/00—Check valves
    • F16K15/14—Check valves with flexible valve members
    • F16K15/144—Check valves with flexible valve members the closure elements being fixed along all or a part of their periphery
    • 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
    • F16K2200/00—Details of valves
    • F16K2200/30—Spring arrangements
    • F16K2200/305—Constructional features of springs
    • F16K2200/3052—Cantilever springs
GB9211003A 1990-12-17 1992-05-22 One way valve Expired - Fee Related GB2262972B (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
AUPK391590 1990-12-17
AU88972/91A AU656156B2 (en) 1990-12-17 1991-12-11 An improved one way valve

Publications (3)

Publication Number Publication Date
GB9211003D0 GB9211003D0 (en) 1992-07-08
GB2262972A GB2262972A (en) 1993-07-07
GB2262972B true GB2262972B (en) 1995-05-31

Family

ID=25641087

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9211003A Expired - Fee Related GB2262972B (en) 1990-12-17 1992-05-22 One way valve

Country Status (2)

Country Link
AU (1) AU656156B2 (en)
GB (1) GB2262972B (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2242504B (en) * 1990-03-27 1994-04-06 Hartley Simon Ltd A flap valve
DE10196634T5 (en) 2000-09-18 2005-04-07 Par Technologies Llc Piezoelectric drive element and such a pump using
US7198250B2 (en) 2000-09-18 2007-04-03 Par Technologies, Llc Piezoelectric actuator and pump using same
US7258533B2 (en) 2004-12-30 2007-08-21 Adaptivenergy, Llc Method and apparatus for scavenging energy during pump operation
US20060232166A1 (en) 2005-04-13 2006-10-19 Par Technologies Llc Stacked piezoelectric diaphragm members
WO2007061610A1 (en) 2005-11-18 2007-05-31 Par Technologies, Llc Human powered piezoelectric power generating device
CN108626445A (en) * 2018-06-27 2018-10-09 浙江金浦实业有限公司 Double-flap check valve

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613720A (en) * 1969-01-27 1971-10-19 G & H Products Inc Check valve assembly
US4022245A (en) * 1976-04-08 1977-05-10 Devin S. Davis Sight check valve
GB1482857A (en) * 1974-09-10 1977-08-17 Wolf Gmbh Richard Trocar guides
GB2109092A (en) * 1981-11-10 1983-05-25 Vorwerk Co Interholding Check valve
GB2161902A (en) * 1984-07-18 1986-01-22 Black & Decker Inc Non-return flap valve for vacuum cleaner

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3292658A (en) * 1963-07-15 1966-12-20 Scaramucci Domer Check valve and resilient hinge structure and method for manufacturing same
US3295547A (en) * 1964-02-10 1967-01-03 Scaramucci Domer Foldable check valve

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3613720A (en) * 1969-01-27 1971-10-19 G & H Products Inc Check valve assembly
GB1482857A (en) * 1974-09-10 1977-08-17 Wolf Gmbh Richard Trocar guides
US4022245A (en) * 1976-04-08 1977-05-10 Devin S. Davis Sight check valve
GB2109092A (en) * 1981-11-10 1983-05-25 Vorwerk Co Interholding Check valve
GB2161902A (en) * 1984-07-18 1986-01-22 Black & Decker Inc Non-return flap valve for vacuum cleaner

Also Published As

Publication number Publication date
AU656156B2 (en) 1995-01-27
GB2262972A (en) 1993-07-07
AU8897291A (en) 1992-06-18
GB9211003D0 (en) 1992-07-08

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Legal Events

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

Effective date: 19980522