GB2318865B - Air pressure stabiliser - Google Patents

Air pressure stabiliser

Info

Publication number
GB2318865B
GB2318865B GB9801147A GB9801147A GB2318865B GB 2318865 B GB2318865 B GB 2318865B GB 9801147 A GB9801147 A GB 9801147A GB 9801147 A GB9801147 A GB 9801147A GB 2318865 B GB2318865 B GB 2318865B
Authority
GB
United Kingdom
Prior art keywords
air pressure
pressure stabiliser
stabiliser
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.)
Expired - Lifetime
Application number
GB9801147A
Other versions
GB9801147D0 (en
GB2318865A (en
Inventor
Richard Gatley
Ian Fox
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.)
R & D Ventilation Systems Limi
Original Assignee
R & D Ventilation Systems Limi
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 R & D Ventilation Systems Limi filed Critical R & D Ventilation Systems Limi
Publication of GB9801147D0 publication Critical patent/GB9801147D0/en
Publication of GB2318865A publication Critical patent/GB2318865A/en
Application granted granted Critical
Publication of GB2318865B publication Critical patent/GB2318865B/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/70—Control systems characterised by their outputs; Constructional details thereof
    • F24F11/72—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure
    • F24F11/74—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity
    • F24F11/75—Control systems characterised by their outputs; Constructional details thereof for controlling the supply of treated air, e.g. its pressure for controlling air flow rate or air velocity for maintaining constant air flow rate or air velocity

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
GB9801147A 1997-01-23 1998-01-21 Air pressure stabiliser Expired - Lifetime GB2318865B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GBGB9701396.5A GB9701396D0 (en) 1997-01-23 1997-01-23 Air pressure stabiliser

Publications (3)

Publication Number Publication Date
GB9801147D0 GB9801147D0 (en) 1998-03-18
GB2318865A GB2318865A (en) 1998-05-06
GB2318865B true GB2318865B (en) 1998-09-16

Family

ID=10806492

Family Applications (2)

Application Number Title Priority Date Filing Date
GBGB9701396.5A Pending GB9701396D0 (en) 1997-01-23 1997-01-23 Air pressure stabiliser
GB9801147A Expired - Lifetime GB2318865B (en) 1997-01-23 1998-01-21 Air pressure stabiliser

Family Applications Before (1)

Application Number Title Priority Date Filing Date
GBGB9701396.5A Pending GB9701396D0 (en) 1997-01-23 1997-01-23 Air pressure stabiliser

Country Status (2)

Country Link
GB (2) GB9701396D0 (en)
IE (1) IES980036A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2413627B (en) * 2004-04-29 2009-07-15 R & D Ventilation Systems Ltd Gas pressure stabilizer
GB2424061A (en) * 2005-03-07 2006-09-13 John Richard Coxon A ventilation device
GB0912644D0 (en) * 2009-07-21 2009-08-26 Apreco Ltd Venting device

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1305761A (en) * 1969-03-04 1973-02-07
US4777932A (en) * 1986-10-06 1988-10-18 Regenerative Environmental Equipment Co. Inc. Counterweight static pressure-air flow damper assembly

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1305761A (en) * 1969-03-04 1973-02-07
US4777932A (en) * 1986-10-06 1988-10-18 Regenerative Environmental Equipment Co. Inc. Counterweight static pressure-air flow damper assembly

Also Published As

Publication number Publication date
GB9801147D0 (en) 1998-03-18
IES79044B2 (en) 1998-03-25
GB2318865A (en) 1998-05-06
GB9701396D0 (en) 1997-03-12
IES980036A2 (en) 1998-03-25

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Legal Events

Date Code Title Description
PE20 Patent expired after termination of 20 years

Expiry date: 20180120