GB860564A - Ventilation system and extractor fan therefor - Google Patents

Ventilation system and extractor fan therefor

Info

Publication number
GB860564A
GB860564A GB2517856A GB2517856A GB860564A GB 860564 A GB860564 A GB 860564A GB 2517856 A GB2517856 A GB 2517856A GB 2517856 A GB2517856 A GB 2517856A GB 860564 A GB860564 A GB 860564A
Authority
GB
United Kingdom
Prior art keywords
wall
grille
casing
ceiling
fan
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
GB2517856A
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.)
SCIENTAIRE Ltd
Original Assignee
SCIENTAIRE 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 SCIENTAIRE Ltd filed Critical SCIENTAIRE Ltd
Priority to GB2517856A priority Critical patent/GB860564A/en
Publication of GB860564A publication Critical patent/GB860564A/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)

Abstract

860,564. Unit ventilating apparatus. SCIENTAIRE Ltd., and FREAN, F. C. Nov. 18, 1957 [Aug. 17, 1956], No. 25178/56. Class 137 A ventilation system comprises an extractor fan of the high-efficiency centrifugal type coupled at the inlet side to an electric motor 3, both being mounted in a casing 4, to which is secured a grille 5 or equivalent and constructed for installation in the ceiling 11 or cavity wall space of a room with only the grille 5 or equivalent visible and so that the delivery side 17 of the fan 1 can exhaust air via ducting 18 to the outside of the room. The casing 4 and/or grille 5 may have an exterior neck or channel 9 around it or them to suit the margin 10 of the ceiling 11 or wall for mounting the fan 1 entirely therein, the ducting 18 passing therethrough and the outer wall 20 to the outer air and discharging through a wall cap 21 (with a cowl 22 and may be an internal damper), or other outlet. The ceiling space 19 or that in a cavity wall may act as the ducting. The grille may have a flange 12 to fit within the neck 9 of the casing 4. The fan casing may be mounted directly on the ceiling or wall, lugs 23 being provided therefore.
GB2517856A 1956-08-17 1956-08-17 Ventilation system and extractor fan therefor Expired GB860564A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB2517856A GB860564A (en) 1956-08-17 1956-08-17 Ventilation system and extractor fan therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB2517856A GB860564A (en) 1956-08-17 1956-08-17 Ventilation system and extractor fan therefor

Publications (1)

Publication Number Publication Date
GB860564A true GB860564A (en) 1961-02-08

Family

ID=10223503

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2517856A Expired GB860564A (en) 1956-08-17 1956-08-17 Ventilation system and extractor fan therefor

Country Status (1)

Country Link
GB (1) GB860564A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5860788A (en) * 1996-06-14 1999-01-19 Shell Electric Mfg. (Holdings) Co. Ltd. Low drag fan assembly
US6019678A (en) * 1997-03-06 2000-02-01 Matsushita Seiko Company, Ltd. Ventilation fan for duct and method of installation thereof

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5860788A (en) * 1996-06-14 1999-01-19 Shell Electric Mfg. (Holdings) Co. Ltd. Low drag fan assembly
US6019678A (en) * 1997-03-06 2000-02-01 Matsushita Seiko Company, Ltd. Ventilation fan for duct and method of installation thereof

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