GB1115793A - Improvements in or relating to ventilators - Google Patents

Improvements in or relating to ventilators

Info

Publication number
GB1115793A
GB1115793A GB5515466A GB5515466A GB1115793A GB 1115793 A GB1115793 A GB 1115793A GB 5515466 A GB5515466 A GB 5515466A GB 5515466 A GB5515466 A GB 5515466A GB 1115793 A GB1115793 A GB 1115793A
Authority
GB
United Kingdom
Prior art keywords
ventilators
relating
june
colt
heading
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
Application number
GB5515466A
Inventor
Howard Russell Lambie
Raymond Alfred Fran Burtenshaw
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.)
Colt Ventilation and Heating Ltd
Original Assignee
Colt Ventilation and Heating 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 Colt Ventilation and Heating Ltd filed Critical Colt Ventilation and Heating Ltd
Priority to GB5515466A priority Critical patent/GB1115793A/en
Publication of GB1115793A publication Critical patent/GB1115793A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D25/00—Pumping installations or systems
    • F04D25/02—Units comprising pumps and their driving means
    • F04D25/08—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation
    • F04D25/12—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures
    • F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)

Abstract

1,115,793. Ventilators. COLT VENTILATION & HEATING Ltd. 18 June, 1965 [22 June, 1964], No. 55154/66. Divided out of 1,115,791. Heading F4V. The subject-matter of this Specification is substantially the same as that described in Specifications 1,115,791 and 1,115,792 but the claims are concerned in the main with the non- return shutter.
GB5515466A 1964-06-22 1964-06-22 Improvements in or relating to ventilators Expired GB1115793A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB5515466A GB1115793A (en) 1964-06-22 1964-06-22 Improvements in or relating to ventilators

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB5515466A GB1115793A (en) 1964-06-22 1964-06-22 Improvements in or relating to ventilators

Publications (1)

Publication Number Publication Date
GB1115793A true GB1115793A (en) 1968-05-29

Family

ID=10473120

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5515466A Expired GB1115793A (en) 1964-06-22 1964-06-22 Improvements in or relating to ventilators

Country Status (1)

Country Link
GB (1) GB1115793A (en)

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