BE727237A - - Google Patents

Info

Publication number
BE727237A
BE727237A BE727237DA BE727237A BE 727237 A BE727237 A BE 727237A BE 727237D A BE727237D A BE 727237DA BE 727237 A BE727237 A BE 727237A
Authority
BE
Belgium
Application number
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
Priority claimed from CH135968A external-priority patent/CH492881A/en
Application filed filed Critical
Publication of BE727237A publication Critical patent/BE727237A/xx

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
    • F04D25/16—Combinations of two or more pumps ; Producing two or more separate gas flows
    • F04D25/166—Combinations of two or more pumps ; Producing two or more separate gas flows using fans
    • 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
    • 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)
  • Specific Sealing Or Ventilating Devices For Doors And Windows (AREA)
BE727237D 1968-01-29 1969-01-22 BE727237A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH135968A CH492881A (en) 1966-01-06 1968-01-29 Room fan with simultaneous delivery of outside air into the interior and of interior air to the outside

Publications (1)

Publication Number Publication Date
BE727237A true BE727237A (en) 1969-07-01

Family

ID=4208603

Family Applications (1)

Application Number Title Priority Date Filing Date
BE727237D BE727237A (en) 1968-01-29 1969-01-22

Country Status (9)

Country Link
US (1) US3570386A (en)
AT (1) AT287983B (en)
BE (1) BE727237A (en)
CA (1) CA931808A (en)
DE (1) DE1901361B2 (en)
ES (1) ES363014A1 (en)
FR (1) FR2000887A1 (en)
GB (1) GB1256625A (en)
NL (1) NL6901103A (en)

Families Citing this family (23)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2816669C2 (en) * 1978-04-18 1986-06-26 Heddernheimer Metallwarenfabrik GmbH, 7239 Fluorn-Winzeln Ventilation unit
US4506655A (en) * 1981-02-03 1985-03-26 Kuechler Irvin R Compact double fan apparatus and method with grease-separating capabilities
DE8135638U1 (en) * 1981-12-08 1982-04-01 Wilhelm Gebhardt Gmbh, 7112 Waldenburg RADIAL FAN
DE8206788U1 (en) * 1982-03-11 1982-08-05 Siegenia-Frank Kg, 5900 Siegen VENTILATION DEVICE FOR INSTALLATION IN WINDOWS AND / OR IN OTHER WALL OPENINGS OF BUILDINGS
DE3568614D1 (en) * 1985-09-05 1989-04-13 Howden James & Co Ltd Centrifugal fans and blowers
US4773310A (en) * 1986-12-01 1988-09-27 Howard Corwin Fan ventilator having multiple modes of operation
US6149698A (en) * 1996-10-07 2000-11-21 Uehara; Kiyomasa Apparatus for installing a ventilation fan
US6440190B1 (en) 2000-08-16 2002-08-27 Michael E. Goyetche Portable exhaust fan for removing airborne hazardous materials
EP1486637B1 (en) * 2003-06-12 2009-08-05 Lidartech Co., Ltd. Window having a ventilation equipment
US20080031735A1 (en) * 2006-08-01 2008-02-07 Yu-Lung Chen Single-Shaft Dual-Direction Fan Assembly
DE102009003957B4 (en) * 2008-09-18 2020-12-17 Berling Aero IP UG (haftungsbeschränkt) Extractor hood
US8155797B2 (en) 2009-08-12 2012-04-10 James Wiese Window fan control system and method of controlling a fan unit
US20110039490A1 (en) 2009-08-12 2011-02-17 James Wiese Window Fan
US20110151761A1 (en) * 2009-12-23 2011-06-23 Zeledyne, Llc Through Glass Ventilation
US9140461B2 (en) * 2012-05-01 2015-09-22 Wayne E. Bailey Radon exhaust system with a diagnostic bypass filter apparatus
PT2778432E (en) 2013-03-15 2016-01-29 Ebm Papst Mulfingen Gmbh & Co Ventilator assembly with flow rectifier
TWI558954B (en) * 2014-09-22 2016-11-21 建準電機工業股份有限公司 Air-exchanging device capable of adjusting indoor/outdoor temperature difference
CN106016565A (en) * 2016-05-17 2016-10-12 广东新风缘空气净化设备有限公司 Fresh air unit and air supply method thereof
DE102016013639A1 (en) * 2016-11-16 2018-05-17 Ebm-Papst St. Georgen Gmbh & Co. Kg Two-flow turbomachine
CN107327890B (en) * 2017-08-23 2024-03-22 上海多环油烟净化设备有限公司 Dual-purpose circulating purifier
CN107514379B (en) * 2017-09-25 2018-10-12 深圳市普瑞美泰环保科技有限公司 A kind of centrifugal blower of the double outlet air of double air inlets
KR102188972B1 (en) * 2020-04-06 2020-12-10 원태연 Window mounted Smart Clean Ventilation purifier
DE102021110148A1 (en) 2021-04-21 2022-10-27 Ventomaxx Gmbh Ventilation device, wall fan insert and associated wall box

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2152614A (en) * 1937-02-06 1939-03-28 Younger Alexander Reginald Ventilating device

Also Published As

Publication number Publication date
ES363014A1 (en) 1970-12-16
DE1901361B2 (en) 1972-09-14
FR2000887A1 (en) 1969-09-19
GB1256625A (en) 1971-12-08
CA931808A (en) 1973-08-14
NL6901103A (en) 1969-07-31
DE1901361A1 (en) 1969-09-25
US3570386A (en) 1971-03-16
AT287983B (en) 1971-02-10

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