BE852097A - BLOCKING DEVICE FOR A VENTILATION OR AIR CIRCULATION DUCT - Google Patents

BLOCKING DEVICE FOR A VENTILATION OR AIR CIRCULATION DUCT

Info

Publication number
BE852097A
BE852097A BE175477A BE175477A BE852097A BE 852097 A BE852097 A BE 852097A BE 175477 A BE175477 A BE 175477A BE 175477 A BE175477 A BE 175477A BE 852097 A BE852097 A BE 852097A
Authority
BE
Belgium
Prior art keywords
ventilation
air circulation
blocking device
circulation duct
duct
Prior art date
Application number
BE175477A
Other languages
French (fr)
Original Assignee
Rickenbach Hugo
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 Rickenbach Hugo filed Critical Rickenbach Hugo
Publication of BE852097A publication Critical patent/BE852097A/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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/16—Sealings between relatively-moving surfaces
    • F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
    • 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
    • F16J—PISTONS; CYLINDERS; SEALINGS
    • F16J15/00—Sealings
    • F16J15/002—Sealings comprising at least two sealings in succession
    • F16J15/004—Sealings comprising at least two sealings in succession forming of recuperation chamber for the leaking fluid
    • 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
    • F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
    • F16K1/16—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members
    • F16K1/18—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps
    • F16K1/22—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
    • F16K1/226—Shaping or arrangements of the sealing
    • F16K1/2261—Shaping or arrangements of the sealing the sealing being arranged on the valve member

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Lift Valve (AREA)
BE175477A 1976-03-05 1977-03-04 BLOCKING DEVICE FOR A VENTILATION OR AIR CIRCULATION DUCT BE852097A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH281376A CH594421A5 (en) 1976-03-05 1976-03-05

Publications (1)

Publication Number Publication Date
BE852097A true BE852097A (en) 1977-07-01

Family

ID=4242172

Family Applications (1)

Application Number Title Priority Date Filing Date
BE175477A BE852097A (en) 1976-03-05 1977-03-04 BLOCKING DEVICE FOR A VENTILATION OR AIR CIRCULATION DUCT

Country Status (4)

Country Link
BE (1) BE852097A (en)
CH (1) CH594421A5 (en)
DE (2) DE2632231A1 (en)
FR (1) FR2362317A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4658853A (en) * 1985-01-09 1987-04-21 Regenerative Environmental Equipment Co., Inc. Anti-leak valving system
WO2001075341A2 (en) * 2000-03-31 2001-10-11 Mks Instruments, Inc. Butterfly valve
EP2916050A1 (en) * 2014-03-04 2015-09-09 Rico-Sicherheitstechnik AG Shut-off device for a pipe

Also Published As

Publication number Publication date
FR2362317A1 (en) 1978-03-17
DE2632231A1 (en) 1977-09-15
FR2362317B1 (en) 1980-06-06
CH594421A5 (en) 1978-01-13
DE7622591U1 (en) 1978-03-02

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