CH555021A - Dispositif obturateur pour installation pneumatique. - Google Patents

Dispositif obturateur pour installation pneumatique.

Info

Publication number
CH555021A
CH555021A CH283572A CH283572A CH555021A CH 555021 A CH555021 A CH 555021A CH 283572 A CH283572 A CH 283572A CH 283572 A CH283572 A CH 283572A CH 555021 A CH555021 A CH 555021A
Authority
CH
Switzerland
Prior art keywords
shutter device
pneumatic installation
pneumatic
installation
shutter
Prior art date
Application number
CH283572A
Other languages
English (en)
Original Assignee
Pronal Sa
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 Pronal Sa filed Critical Pronal Sa
Publication of CH555021A publication Critical patent/CH555021A/fr

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
    • F16K15/00—Check valves
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
    • F04D—NON-POSITIVE-DISPLACEMENT PUMPS
    • F04D27/00—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids
    • F04D27/009—Control, e.g. regulation, of pumps, pumping installations or pumping systems specially adapted for elastic fluids by bleeding, by passing or recycling fluid

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Sustainable Development (AREA)
  • Sealing Devices (AREA)
  • Bag Frames (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
CH283572A 1971-03-12 1972-02-29 Dispositif obturateur pour installation pneumatique. CH555021A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7108797A FR2129063A5 (fr) 1971-03-12 1971-03-12

Publications (1)

Publication Number Publication Date
CH555021A true CH555021A (fr) 1974-10-15

Family

ID=9073470

Family Applications (1)

Application Number Title Priority Date Filing Date
CH283572A CH555021A (fr) 1971-03-12 1972-02-29 Dispositif obturateur pour installation pneumatique.

Country Status (9)

Country Link
AT (1) AT308952B (fr)
CA (1) CA963350A (fr)
CH (1) CH555021A (fr)
DD (1) DD96307A5 (fr)
DE (1) DE2210955A1 (fr)
ES (1) ES400987A1 (fr)
FR (1) FR2129063A5 (fr)
GB (1) GB1387902A (fr)
IT (1) IT957252B (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641433A1 (de) * 1986-12-04 1988-06-09 Mct Brattberg Kabeldurchfuehru Blockiervorrichtung fuer einen luftfuehrenden kanal
DE29711777U1 (de) * 1997-07-06 1997-10-23 Fritz Sträter GmbH, 58540 Meinerzhagen Verschlußmechanismus
GB2344617A (en) * 1998-12-09 2000-06-14 Air Control Ind Ltd Blown air apparatus with control valve

Also Published As

Publication number Publication date
GB1387902A (en) 1975-03-19
IT957252B (it) 1973-10-10
DD96307A5 (fr) 1973-03-12
FR2129063A5 (fr) 1972-10-27
ES400987A1 (es) 1975-02-01
DE2210955A1 (de) 1972-09-21
AT308952B (de) 1973-07-25
CA963350A (en) 1975-02-25

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Legal Events

Date Code Title Description
PL Patent ceased