AT308952B - Closure for pneumatic systems - Google Patents

Closure for pneumatic systems

Info

Publication number
AT308952B
AT308952B AT205172A AT205172A AT308952B AT 308952 B AT308952 B AT 308952B AT 205172 A AT205172 A AT 205172A AT 205172 A AT205172 A AT 205172A AT 308952 B AT308952 B AT 308952B
Authority
AT
Austria
Prior art keywords
closure
pneumatic systems
pneumatic
systems
Prior art date
Application number
AT205172A
Other languages
German (de)
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
Application granted granted Critical
Publication of AT308952B publication Critical patent/AT308952B/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)
  • Mattresses And Other Support Structures For Chairs And Beds (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Sealing Devices (AREA)
  • Bag Frames (AREA)
AT205172A 1971-03-12 1972-03-10 Closure for pneumatic systems AT308952B (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
AT308952B true AT308952B (en) 1973-07-25

Family

ID=9073470

Family Applications (1)

Application Number Title Priority Date Filing Date
AT205172A AT308952B (en) 1971-03-12 1972-03-10 Closure for pneumatic systems

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 (3)

* 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

Also Published As

Publication number Publication date
GB1387902A (en) 1975-03-19
IT957252B (en) 1973-10-10
DD96307A5 (en) 1973-03-12
FR2129063A5 (en) 1972-10-27
ES400987A1 (en) 1975-02-01
DE2210955A1 (en) 1972-09-21
CH555021A (en) 1974-10-15
CA963350A (en) 1975-02-25

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee