NL148381B - DEVICE FOR OPENING AND CLOSING THE VALVE BLADES OF A FAN. - Google Patents

DEVICE FOR OPENING AND CLOSING THE VALVE BLADES OF A FAN.

Info

Publication number
NL148381B
NL148381B NL696912670A NL6912670A NL148381B NL 148381 B NL148381 B NL 148381B NL 696912670 A NL696912670 A NL 696912670A NL 6912670 A NL6912670 A NL 6912670A NL 148381 B NL148381 B NL 148381B
Authority
NL
Netherlands
Prior art keywords
fan
closing
opening
valve blades
blades
Prior art date
Application number
NL696912670A
Other languages
Dutch (nl)
Other versions
NL6912670A (en
Original Assignee
Matsushita Electric Ind Co 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 Matsushita Electric Ind Co Ltd filed Critical Matsushita Electric Ind Co Ltd
Publication of NL6912670A publication Critical patent/NL6912670A/xx
Publication of NL148381B publication Critical patent/NL148381B/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
    • F24F7/007—Ventilation with forced flow
    • F24F7/013—Ventilation with forced flow using wall or window fans, displacing air through the wall or window
    • 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
    • F04D25/14—Units comprising pumps and their driving means the working fluid being air, e.g. for ventilation the unit being adapted for mounting in apertures and having shutters, e.g. automatically closed when not in use
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02K—DYNAMO-ELECTRIC MACHINES
    • H02K7/00—Arrangements for handling mechanical energy structurally associated with dynamo-electric machines, e.g. structural association with mechanical driving motors or auxiliary dynamo-electric machines
    • H02K7/14—Structural association with mechanical loads, e.g. with hand-held machine tools or fans

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Power Engineering (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)
  • Air-Flow Control Members (AREA)
NL696912670A 1968-08-21 1969-08-20 DEVICE FOR OPENING AND CLOSING THE VALVE BLADES OF A FAN. NL148381B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6029268 1968-08-21

Publications (2)

Publication Number Publication Date
NL6912670A NL6912670A (en) 1970-02-24
NL148381B true NL148381B (en) 1976-01-15

Family

ID=13137922

Family Applications (1)

Application Number Title Priority Date Filing Date
NL696912670A NL148381B (en) 1968-08-21 1969-08-20 DEVICE FOR OPENING AND CLOSING THE VALVE BLADES OF A FAN.

Country Status (4)

Country Link
US (1) US3589267A (en)
FR (1) FR2016061A1 (en)
GB (1) GB1268417A (en)
NL (1) NL148381B (en)

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5148373B2 (en) * 1973-02-12 1976-12-20
JPS5022341U (en) * 1973-06-19 1975-03-13
DE3431459A1 (en) * 1984-01-14 1985-07-18 Byung Eun Daegu Yoo Fan
GB2199897A (en) * 1987-01-15 1988-07-20 Airflow Dev Ltd An extractor fan
DE3908511C3 (en) * 1988-03-15 1998-02-12 Maico Elektroapparate Wall fan
US5345966A (en) * 1993-12-23 1994-09-13 Carrier Corporation Powered damper having automatic static duct pressure relief
KR101518961B1 (en) * 2014-05-20 2015-05-15 현대자동차 주식회사 Control system of flowing air into vehicle engine room and method for the same
CN109695408B (en) * 2018-11-16 2020-04-28 深圳千里马装饰集团有限公司 Built-in ventilation device for independent floors of high-rise building

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA559424A (en) * 1958-06-24 A. Strawsine Fern Wall mounted ventilator
US2225349A (en) * 1939-02-01 1940-12-17 Gen Electric Ventilating fan control
US2323178A (en) * 1941-01-09 1943-06-29 Singer Mfg Co Ventilating unit
GB594165A (en) * 1944-07-12 1947-11-04 Electrolux Ab Improvements in or relating to electrically driven fans

Also Published As

Publication number Publication date
DE1941941A1 (en) 1970-03-19
US3589267A (en) 1971-06-29
FR2016061A1 (en) 1970-04-30
NL6912670A (en) 1970-02-24
GB1268417A (en) 1972-03-29
DE1941941B2 (en) 1973-02-22

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Legal Events

Date Code Title Description
NL80 Abbreviated name of patent owner mentioned of already nullified patent

Owner name: MATSUSHITA

V4 Lapsed because of reaching the maximum lifetime of a patent