[go: up one dir, main page]

CH555021A - SHUTTER DEVICE FOR PNEUMATIC INSTALLATION. - Google Patents

SHUTTER DEVICE FOR PNEUMATIC INSTALLATION.

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
French (fr)
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/en

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 SHUTTER DEVICE FOR PNEUMATIC INSTALLATION. CH555021A (en)

Applications Claiming Priority (1)

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

Publications (1)

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

Family

ID=9073470

Family Applications (1)

Application Number Title Priority Date Filing Date
CH283572A CH555021A (en) 1971-03-12 1972-02-29 SHUTTER DEVICE FOR PNEUMATIC INSTALLATION.

Country Status (9)

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

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3641433A1 (en) * 1986-12-04 1988-06-09 Mct Brattberg Kabeldurchfuehru Blocking device for an air duct
DE29711777U1 (en) * 1997-07-06 1997-10-23 Fritz Sträter GmbH, 58540 Meinerzhagen Locking mechanism
GB2344617A (en) * 1998-12-09 2000-06-14 Air Control Ind Ltd Blown air apparatus with control valve
CN118328186B (en) * 2024-06-14 2024-10-29 中国第一汽车股份有限公司 Core assembly and ventilation device

Also Published As

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

Similar Documents

Publication Publication Date Title
CH555058A (en) COPY DEVICE.
BE791465A (en) PRE-ARMING DEVICE FOR PASTILLER
NO138650C (en) MOUNTING DEVICE.
BE794105A (en) UNLOADING DEVICE
CH554001A (en) PHOTOGRAPHIC COPY DEVICE.
BE792988A (en) DIGITAL DEVICE
BE779096A (en) CONVEYOR DEVICE.
BE781307A (en) RELEASE DEVICE FOR GATE CONTROL
CH555021A (en) SHUTTER DEVICE FOR PNEUMATIC INSTALLATION.
BE788446A (en) LOCKING DEVICE FOR AN AUTOMATIC DOOR CLOSER
BE765886A (en) DEVICE FOR DRAWING OR WRITING
BE785205A (en) PUSHING DEVICE
NL178451C (en) PHOTOGRAPHIC DEVICE.
BE780384A (en) ANTI-PUMPING DEVICE
CH556507A (en) ANTIPOLLUTION DEVICE FOR CHIMNEYS.
CH550960A (en) ANTI-SIPHON DEVICE.
BE786902A (en) LIFT DEVICE FOR SCRAPERS
CH556624A (en) OPTICAL DEVICE FOR TELECINEMA.
CH546874A (en) CLOSING DEVICE.
BE749765A (en) SPOON-PACKAGING DEVICE.
BE787586R (en) DEVICE FOR MOVING PATONS
BE784659A (en) SECURITY DEVICE FOR AUTOMOBILES.
BE760180A (en) RACLETTE-TANK DEVICE.
BE776197A (en) BOX SEPARATION DEVICE.
BE804812A (en) STABULATION DEVICE FOR BOVIDES

Legal Events

Date Code Title Description
PL Patent ceased