GB0222336D0 - A positive closing air pressure operated static pressure regain auto-changeover flap - Google Patents

A positive closing air pressure operated static pressure regain auto-changeover flap

Info

Publication number
GB0222336D0
GB0222336D0 GB0222336A GB0222336A GB0222336D0 GB 0222336 D0 GB0222336 D0 GB 0222336D0 GB 0222336 A GB0222336 A GB 0222336A GB 0222336 A GB0222336 A GB 0222336A GB 0222336 D0 GB0222336 D0 GB 0222336D0
Authority
GB
United Kingdom
Prior art keywords
auto
regain
closing air
positive closing
air pressure
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.)
Ceased
Application number
GB0222336A
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Priority to GB0222336A priority Critical patent/GB0222336D0/en
Publication of GB0222336D0 publication Critical patent/GB0222336D0/en
Priority to GB0320926A priority patent/GB2395524B/en
Ceased legal-status Critical Current

Links

GB0222336A 2002-09-26 2002-09-26 A positive closing air pressure operated static pressure regain auto-changeover flap Ceased GB0222336D0 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
GB0222336A GB0222336D0 (en) 2002-09-26 2002-09-26 A positive closing air pressure operated static pressure regain auto-changeover flap
GB0320926A GB2395524B (en) 2002-09-26 2003-09-08 Static Pressure regain foil for ductwork or pipework

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB0222336A GB0222336D0 (en) 2002-09-26 2002-09-26 A positive closing air pressure operated static pressure regain auto-changeover flap

Publications (1)

Publication Number Publication Date
GB0222336D0 true GB0222336D0 (en) 2002-11-06

Family

ID=9944794

Family Applications (2)

Application Number Title Priority Date Filing Date
GB0222336A Ceased GB0222336D0 (en) 2002-09-26 2002-09-26 A positive closing air pressure operated static pressure regain auto-changeover flap
GB0320926A Expired - Fee Related GB2395524B (en) 2002-09-26 2003-09-08 Static Pressure regain foil for ductwork or pipework

Family Applications After (1)

Application Number Title Priority Date Filing Date
GB0320926A Expired - Fee Related GB2395524B (en) 2002-09-26 2003-09-08 Static Pressure regain foil for ductwork or pipework

Country Status (1)

Country Link
GB (2) GB0222336D0 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106870464A (en) * 2015-12-14 2017-06-20 华南理工大学 A kind of bionical streamlined air channel of gradual change noise reduction
CN111022381B (en) * 2020-01-03 2021-10-08 宁波方太厨具有限公司 Flow guide noise reduction device and range hood applying same

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB616163A (en) * 1943-01-19 1949-01-18 Groupement Francais Pour Le Developpement Des Recherches Aeronautiques Means for avoid separation and turbulence in fluids moving with respect to solid surfaces
DE2929140A1 (en) * 1979-07-19 1981-02-12 Kurt Dr Ing Zenkner HOUSING FOR A CROSS-BLOW BLOWER, IN PARTICULAR FOR USE WITH ROOF FANS
US4891169A (en) * 1988-11-16 1990-01-02 Amsted Industries Inc. Transition duct for centrifugal fan
US5188510A (en) * 1990-11-21 1993-02-23 Thomas R. Norris Method and apparatus for enhancing gas turbo machinery flow
GB0120757D0 (en) * 2001-08-25 2001-10-17 Bayram Peter J A positive closing air pressure operated static pressure regain auto-changeover flap

Also Published As

Publication number Publication date
GB2395524B (en) 2006-04-26
GB2395524A (en) 2004-05-26
GB0320926D0 (en) 2003-10-08

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Legal Events

Date Code Title Description
AT Applications terminated before publication under section 16(1)