CH525444A - Roof fan - Google Patents

Roof fan

Info

Publication number
CH525444A
CH525444A CH670170A CH670170A CH525444A CH 525444 A CH525444 A CH 525444A CH 670170 A CH670170 A CH 670170A CH 670170 A CH670170 A CH 670170A CH 525444 A CH525444 A CH 525444A
Authority
CH
Switzerland
Prior art keywords
roof fan
roof
fan
Prior art date
Application number
CH670170A
Other languages
French (fr)
Inventor
Friedling Gerard
Chuard Marcel
Original Assignee
Technicair Sa
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 Technicair Sa filed Critical Technicair Sa
Priority to CH670170A priority Critical patent/CH525444A/en
Priority to FR7021206A priority patent/FR2092177A5/fr
Priority to BE765051A priority patent/BE765051A/en
Priority to DE19712115764 priority patent/DE2115764A1/en
Publication of CH525444A publication Critical patent/CH525444A/en

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)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CH670170A 1970-05-05 1970-05-05 Roof fan CH525444A (en)

Priority Applications (4)

Application Number Priority Date Filing Date Title
CH670170A CH525444A (en) 1970-05-05 1970-05-05 Roof fan
FR7021206A FR2092177A5 (en) 1970-05-05 1970-06-10
BE765051A BE765051A (en) 1970-05-05 1971-03-31 ROOF FAN
DE19712115764 DE2115764A1 (en) 1970-05-05 1971-04-01 Roof fan

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH670170A CH525444A (en) 1970-05-05 1970-05-05 Roof fan

Publications (1)

Publication Number Publication Date
CH525444A true CH525444A (en) 1972-07-15

Family

ID=4313683

Family Applications (1)

Application Number Title Priority Date Filing Date
CH670170A CH525444A (en) 1970-05-05 1970-05-05 Roof fan

Country Status (4)

Country Link
BE (1) BE765051A (en)
CH (1) CH525444A (en)
DE (1) DE2115764A1 (en)
FR (1) FR2092177A5 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3843218A1 (en) * 1988-12-22 1990-06-28 Grau Gmbh & Co Holdingges METHOD AND DEVICE FOR OPERATING AN AUTOMATIC DATA CARRIER ARCHIVE
FR2781278B1 (en) * 1998-07-17 2000-09-29 Andre Amphoux MIXED, STATIC / DYNAMIC DEVICE FOR THE DISCHARGE OF GASEOUS FLUIDS

Also Published As

Publication number Publication date
DE2115764A1 (en) 1971-11-25
FR2092177A5 (en) 1971-01-21
BE765051A (en) 1971-08-16

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Legal Events

Date Code Title Description
PL Patent ceased