CA977721A - Exhaust fan assembly - Google Patents

Exhaust fan assembly

Info

Publication number
CA977721A
CA977721A CA156,527A CA156527A CA977721A CA 977721 A CA977721 A CA 977721A CA 156527 A CA156527 A CA 156527A CA 977721 A CA977721 A CA 977721A
Authority
CA
Canada
Prior art keywords
exhaust fan
fan assembly
assembly
exhaust
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
CA156,527A
Other versions
CA156527S (en
Inventor
Robert E. Steiner
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.)
Emerson Electric Co
Original Assignee
Emerson Electric Co
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 Emerson Electric Co filed Critical Emerson Electric Co
Application granted granted Critical
Publication of CA977721A publication Critical patent/CA977721A/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
    • F24F7/007—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)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structures Of Non-Positive Displacement Pumps (AREA)
CA156,527A 1972-02-17 1972-11-15 Exhaust fan assembly Expired CA977721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US22703172A 1972-02-17 1972-02-17

Publications (1)

Publication Number Publication Date
CA977721A true CA977721A (en) 1975-11-11

Family

ID=22851461

Family Applications (1)

Application Number Title Priority Date Filing Date
CA156,527A Expired CA977721A (en) 1972-02-17 1972-11-15 Exhaust fan assembly

Country Status (2)

Country Link
US (1) US3791281A (en)
CA (1) CA977721A (en)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5046408A (en) * 1990-07-13 1991-09-10 John Eugenio Hooded exhaust vent
DE19536928C1 (en) * 1995-10-04 1997-01-30 Loh Kg Rittal Werk Filter fan
JP2000046456A (en) * 1998-07-29 2000-02-18 Sankyo Seiki Mfg Co Ltd Refrigerator
US6802361B2 (en) * 2000-06-22 2004-10-12 Air Techno Company Limited Ceiling panel structure for a ceiling-mounted air-conditioning apparatus or the like
US10753627B1 (en) 2005-07-13 2020-08-25 Qc Manufacturing, Inc. Air cooling system for a building structure
US8079898B1 (en) 2005-07-13 2011-12-20 Qc Manufacturing, Inc. Air cooling system for a building structure
US20080238275A1 (en) * 2006-10-03 2008-10-02 Sca Hygiene Products Ab Recessed unit for dispensers
US9017156B2 (en) * 2009-10-30 2015-04-28 Mestek, Inc. Air control module
US20120148387A1 (en) * 2010-12-13 2012-06-14 Robert Labrecque Extraction Fan Assembly Including a Damper that Closes Firmly when the Fan is Not Running and Reduces the Pressure Drop when the Fan is Running at Full Speed
US8672734B2 (en) * 2010-12-13 2014-03-18 Robert Labrecque Extraction fan assembly including a damper that closes firmly when the fan is not running and reduces the pressure drop when the fan is running at full speed
US20120238200A1 (en) * 2011-03-18 2012-09-20 Dundas Jafine Inc. Vent cap kit and method of installation
US10203703B2 (en) 2014-03-04 2019-02-12 Mi Valve, Llc Airflow balancing valve for HVAC systems
AU2020386528B2 (en) 2019-11-22 2023-06-01 Qc Manufacturing, Inc. Fresh air cooling and ventilating system

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1528267A (en) * 1924-01-14 1925-03-03 Ralph C Root Ventilator
US1792514A (en) * 1929-05-11 1931-02-17 Cincinnati Victor Company Ventilating fan
US2314003A (en) * 1940-06-14 1943-03-16 John Spargo Counterbalanced louver construction
US2862438A (en) * 1956-03-26 1958-12-02 John Spargo Automatic louver control mechanism
US3120798A (en) * 1961-05-31 1964-02-11 Ventrola Mfg Company Automatic discharge housing

Also Published As

Publication number Publication date
US3791281A (en) 1974-02-12

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