FR1238147A - Upgrades to Top Exhaust Fans - Google Patents

Upgrades to Top Exhaust Fans

Info

Publication number
FR1238147A
FR1238147A FR808137A FR808137A FR1238147A FR 1238147 A FR1238147 A FR 1238147A FR 808137 A FR808137 A FR 808137A FR 808137 A FR808137 A FR 808137A FR 1238147 A FR1238147 A FR 1238147A
Authority
FR
France
Prior art keywords
upgrades
exhaust fans
top exhaust
fans
exhaust
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
FR808137A
Other languages
French (fr)
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 Ltd
Original Assignee
COLT VENTILATION 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 Ltd filed Critical COLT VENTILATION Ltd
Application granted granted Critical
Publication of FR1238147A publication Critical patent/FR1238147A/en
Expired 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
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • F24F7/025—Roof ventilation with forced air circulation by means of a built-in ventilator

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR808137A 1958-10-28 1959-10-22 Upgrades to Top Exhaust Fans Expired FR1238147A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1238147X 1958-10-28

Publications (1)

Publication Number Publication Date
FR1238147A true FR1238147A (en) 1960-08-05

Family

ID=10885018

Family Applications (1)

Application Number Title Priority Date Filing Date
FR808137A Expired FR1238147A (en) 1958-10-28 1959-10-22 Upgrades to Top Exhaust Fans

Country Status (1)

Country Link
FR (1) FR1238147A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107598A (en) * 1961-01-31 1963-10-22 Loren Cook Company Compact roof ventilators
DE1264724B (en) * 1962-01-31 1968-03-28 Eberspaecher J Device for room ventilation

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3107598A (en) * 1961-01-31 1963-10-22 Loren Cook Company Compact roof ventilators
DE1264724B (en) * 1962-01-31 1968-03-28 Eberspaecher J Device for room ventilation

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