FR2335713B1 - - Google Patents

Info

Publication number
FR2335713B1
FR2335713B1 FR7637509A FR7637509A FR2335713B1 FR 2335713 B1 FR2335713 B1 FR 2335713B1 FR 7637509 A FR7637509 A FR 7637509A FR 7637509 A FR7637509 A FR 7637509A FR 2335713 B1 FR2335713 B1 FR 2335713B1
Authority
FR
France
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
FR7637509A
Other languages
French (fr)
Other versions
FR2335713A1 (fr
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.)
Schako KG
Original Assignee
Schako Metallwarenfabrik Ferdinand Schad KG
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 Schako Metallwarenfabrik Ferdinand Schad KG filed Critical Schako Metallwarenfabrik Ferdinand Schad KG
Publication of FR2335713A1 publication Critical patent/FR2335713A1/fr
Application granted granted Critical
Publication of FR2335713B1 publication Critical patent/FR2335713B1/fr
Granted legal-status Critical Current

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)
FR7637509A 1975-12-20 1976-12-13 Volet de surpression pour ventilateur Granted FR2335713A1 (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 (2)

Publication Number Publication Date
FR2335713A1 FR2335713A1 (fr) 1977-07-15
FR2335713B1 true FR2335713B1 (de) 1982-07-02

Family

ID=5965006

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7637509A Granted FR2335713A1 (fr) 1975-12-20 1976-12-13 Volet de surpression pour ventilateur

Country Status (8)

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

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
SE7613450L (sv) 1977-06-21
ATA880676A (de) 1977-12-15
CH600162A5 (de) 1978-06-15
BE849425A (fr) 1977-04-01
DE2557582A1 (de) 1977-06-30
DE2557582C3 (de) 1979-10-18
GB1549944A (en) 1979-08-08
AT344857B (de) 1978-08-10
SE429376B (sv) 1983-08-29
IT1123040B (it) 1986-04-30
DE2557582B2 (de) 1979-03-01
FR2335713A1 (fr) 1977-07-15

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Legal Events

Date Code Title Description
ST Notification of lapse