BE849425A - Volet de surpression pour ventilateur - Google Patents

Volet de surpression pour ventilateur

Info

Publication number
BE849425A
BE849425A BE173275A BE173275A BE849425A BE 849425 A BE849425 A BE 849425A BE 173275 A BE173275 A BE 173275A BE 173275 A BE173275 A BE 173275A BE 849425 A BE849425 A BE 849425A
Authority
BE
Belgium
Prior art keywords
overpressure
shutter
fan
overpressure shutter
Prior art date
Application number
BE173275A
Other languages
English (en)
French (fr)
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 filed Critical
Publication of BE849425A publication Critical patent/BE849425A/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
    • F04D25/02—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Air-Flow Control Members (AREA)
BE173275A 1975-12-20 1976-12-15 Volet de surpression pour ventilateur BE849425A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE19752557582 DE2557582C3 (de) 1975-12-20 1975-12-20 Überdruckklappe für Ventilator

Publications (1)

Publication Number Publication Date
BE849425A true BE849425A (fr) 1977-04-01

Family

ID=5965006

Family Applications (1)

Application Number Title Priority Date Filing Date
BE173275A BE849425A (fr) 1975-12-20 1976-12-15 Volet de surpression pour ventilateur

Country Status (8)

Country Link
AT (1) AT344857B (enrdf_load_stackoverflow)
BE (1) BE849425A (enrdf_load_stackoverflow)
CH (1) CH600162A5 (enrdf_load_stackoverflow)
DE (1) DE2557582C3 (enrdf_load_stackoverflow)
FR (1) FR2335713A1 (enrdf_load_stackoverflow)
GB (1) GB1549944A (enrdf_load_stackoverflow)
IT (1) IT1123040B (enrdf_load_stackoverflow)
SE (1) SE429376B (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2204660B (en) * 1987-04-11 1991-04-17 Pentec Engineering Services Li Valve arrangement
DE8810027U1 (de) * 1988-08-05 1988-09-22 Haver & Boecker, 4740 Oelde Vorrichtung zum Füllen von offenen Behältern
DE4333663C1 (de) * 1993-10-02 1995-05-11 Patent Und Innovationsagentur Klappenventil

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2279425A (en) * 1939-11-16 1942-04-14 Westinghouse Electric & Mfg Co Discharge shutter for blowers
GB1197023A (en) * 1968-04-04 1970-07-01 Royair Ltd Improvements in and relating to Dampers for Ventilating Systems
US3826179A (en) * 1972-10-20 1974-07-30 American Warming Ventilation Differential pressure responsive damper
DE2431065A1 (de) * 1974-06-28 1976-01-15 Maico Elektroapparate Verschlusseinrichtung

Also Published As

Publication number Publication date
CH600162A5 (enrdf_load_stackoverflow) 1978-06-15
IT1123040B (it) 1986-04-30
DE2557582A1 (de) 1977-06-30
FR2335713A1 (fr) 1977-07-15
DE2557582C3 (de) 1979-10-18
FR2335713B1 (enrdf_load_stackoverflow) 1982-07-02
SE429376B (sv) 1983-08-29
GB1549944A (en) 1979-08-08
SE7613450L (sv) 1977-06-21
ATA880676A (de) 1977-12-15
DE2557582B2 (de) 1979-03-01
AT344857B (de) 1978-08-10

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Legal Events

Date Code Title Description
RE Patent lapsed

Owner name: SCHAKO METALLWARENFABRIK FERDINAND SCHAD K.G.

Effective date: 19861231