NO115610B - - Google Patents

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Publication number
NO115610B
NO115610B NO166751A NO16675167A NO115610B NO 115610 B NO115610 B NO 115610B NO 166751 A NO166751 A NO 166751A NO 16675167 A NO16675167 A NO 16675167A NO 115610 B NO115610 B NO 115610B
Authority
NO
Norway
Prior art keywords
valve
plate
valve plate
flow
pressure wave
Prior art date
Application number
NO166751A
Other languages
English (en)
Norwegian (no)
Inventor
L Laakkonen
M Purhonen
Original Assignee
Temet Oy
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 Temet Oy filed Critical Temet Oy
Publication of NO115610B publication Critical patent/NO115610B/no

Links

Classifications

    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62B—DEVICES, APPARATUS OR METHODS FOR LIFE-SAVING
    • A62B13/00—Special devices for ventilating gasproof shelters
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S454/00—Ventilation
    • Y10S454/902—Air raid shelter ventilation
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00—Fluid handling
    • Y10T137/7722—Line condition change responsive valves
    • Y10T137/7837—Direct response valves [i.e., check valve type]
    • Y10T137/7869—Biased open

Landscapes

  • Health & Medical Sciences (AREA)
  • General Health & Medical Sciences (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Safety Valves (AREA)
  • Self-Closing Valves And Venting Or Aerating Valves (AREA)
  • Check Valves (AREA)
NO166751A 1966-02-14 1967-02-07 NO115610B (da)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FI35866 1966-02-14

Publications (1)

Publication Number Publication Date
NO115610B true NO115610B (da) 1968-10-28

Family

ID=8503995

Family Applications (1)

Application Number Title Priority Date Filing Date
NO166751A NO115610B (da) 1966-02-14 1967-02-07

Country Status (3)

Country Link
US (1) US3516348A (da)
NO (1) NO115610B (da)
SE (1) SE371934B (da)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3718156A (en) * 1971-01-27 1973-02-27 A Fujii Automatic air flow smoothing apparatus
USD261925S (en) 1979-03-27 1981-11-17 Oy Kolster Ab Over-pressure valve for ventilation
IL247805B (en) 2016-09-13 2022-05-01 Beth El Zikhron Yaaqov Ind Ltd Wing-based explosion valve in an aeronautical structure

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB875912A (en) * 1959-03-04 1961-08-23 Sten Goesta Ariel Bergman Means for protecting ventilating ducts and flue ducts against air shock waves
US3075448A (en) * 1960-06-30 1963-01-29 Ammann & Whitney Blast valve and method of blast protection

Also Published As

Publication number Publication date
SE371934B (da) 1974-12-09
US3516348A (en) 1970-06-23

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