GB201022020D0 - Flap valve - Google Patents

Flap valve

Info

Publication number
GB201022020D0
GB201022020D0 GBGB1022020.0A GB201022020A GB201022020D0 GB 201022020 D0 GB201022020 D0 GB 201022020D0 GB 201022020 A GB201022020 A GB 201022020A GB 201022020 D0 GB201022020 D0 GB 201022020D0
Authority
GB
United Kingdom
Prior art keywords
flap valve
flap
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.)
Granted
Application number
GBGB1022020.0A
Other versions
GB2477601B (en
GB2477601A (en
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.)
DC Norris and Co Engineering Ltd
Original Assignee
DC Norris and Co Engineering 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 DC Norris and Co Engineering Ltd filed Critical DC Norris and Co Engineering Ltd
Publication of GB201022020D0 publication Critical patent/GB201022020D0/en
Publication of GB2477601A publication Critical patent/GB2477601A/en
Application granted granted Critical
Publication of GB2477601B publication Critical patent/GB2477601B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F16K15/02—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
    • F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members
    • F16K15/036—Dual valve members with hinges crossing the flow line substantially diametrical
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/20—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation arranged externally of valve 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/223—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves with a plurality of 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
    • F16K15/035—Check valves with guided rigid valve members with a hinged closure member or with a pivoted closure member with a plurality of valve members

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Sliding Valves (AREA)
GB201022020A 2010-02-03 2010-12-23 Flap valve Expired - Fee Related GB2477601B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB1001757.2A GB201001757D0 (en) 2010-02-03 2010-02-03 Improvements relating to water recovery systems and valves for use therein

Publications (3)

Publication Number Publication Date
GB201022020D0 true GB201022020D0 (en) 2011-02-02
GB2477601A GB2477601A (en) 2011-08-10
GB2477601B GB2477601B (en) 2014-03-19

Family

ID=42082415

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB1001757.2A Ceased GB201001757D0 (en) 2010-02-03 2010-02-03 Improvements relating to water recovery systems and valves for use therein
GB201022020A Expired - Fee Related GB2477601B (en) 2010-02-03 2010-12-23 Flap valve

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB1001757.2A Ceased GB201001757D0 (en) 2010-02-03 2010-02-03 Improvements relating to water recovery systems and valves for use therein

Country Status (1)

Country Link
GB (2) GB201001757D0 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103672051B (en) * 2013-11-27 2016-08-17 青岛双瑞海洋环境工程股份有限公司 The circular row wind pipeline windscreen of electrolysis ballast water treatment plant

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4043358A (en) * 1976-02-02 1977-08-23 Victaulic Company Of America Flapper check valve

Also Published As

Publication number Publication date
GB2477601B (en) 2014-03-19
GB2477601A (en) 2011-08-10
GB201001757D0 (en) 2010-03-24

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Legal Events

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

Effective date: 20151223