GB1587601A - Smoke ventilator - Google Patents

Smoke ventilator Download PDF

Info

Publication number
GB1587601A
GB1587601A GB4528/78A GB452878A GB1587601A GB 1587601 A GB1587601 A GB 1587601A GB 4528/78 A GB4528/78 A GB 4528/78A GB 452878 A GB452878 A GB 452878A GB 1587601 A GB1587601 A GB 1587601A
Authority
GB
United Kingdom
Prior art keywords
flap
coaming
rod
pivot means
flaps
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB4528/78A
Other languages
English (en)
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hoganas AB
Original Assignee
Hoganas AB
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 Hoganas AB filed Critical Hoganas AB
Publication of GB1587601A publication Critical patent/GB1587601A/en
Expired legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
    • E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
    • E05F1/00—Closers or openers for wings, not otherwise provided for in this subclass
    • E05F1/08—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings
    • E05F1/10—Closers or openers for wings, not otherwise provided for in this subclass spring-actuated, e.g. for horizontally sliding wings for swinging wings, e.g. counterbalance
    • E05F1/12—Mechanisms in the shape of hinges or pivots, operated by springs
    • E05F1/123—Mechanisms in the shape of hinges or pivots, operated by springs with a torsion bar
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F7/00—Ventilation
    • F24F7/02—Roof ventilation
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24F—AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR CURRENTS FOR SCREENING
    • F24F11/00—Control or safety arrangements
    • F24F11/30—Control or safety arrangements for purposes related to the operation of the system, e.g. for safety or monitoring
    • F24F11/32—Responding to malfunctions or emergencies
    • F24F11/33—Responding to malfunctions or emergencies to fire, excessive heat or smoke
    • F24F11/34—Responding to malfunctions or emergencies to fire, excessive heat or smoke by opening air passages

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Special Wing (AREA)
  • Air-Flow Control Members (AREA)
  • Respiratory Apparatuses And Protective Means (AREA)
  • Closing And Opening Devices For Wings, And Checks For Wings (AREA)
GB4528/78A 1977-02-08 1978-02-03 Smoke ventilator Expired GB1587601A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7701351A SE7701351L (sv) 1977-02-08 1977-02-08 Torsionsfjedermekanism

Publications (1)

Publication Number Publication Date
GB1587601A true GB1587601A (en) 1981-04-08

Family

ID=20330390

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4528/78A Expired GB1587601A (en) 1977-02-08 1978-02-03 Smoke ventilator

Country Status (6)

Country Link
DE (1) DE2805266A1 (de)
DK (1) DK145238C (de)
FI (1) FI60759C (de)
GB (1) GB1587601A (de)
NO (1) NO144470C (de)
SE (1) SE7701351L (de)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5555351A (en) * 1978-10-18 1980-04-23 Ricoh Co Ltd Opening and closing device of gate
DE3415343A1 (de) * 1984-04-25 1985-11-07 EBB Beschlagtechnik GmbH, 7145 Markgröningen Klappenstuetze

Also Published As

Publication number Publication date
FI60759C (fi) 1982-03-10
FI60759B (fi) 1981-11-30
DK145238C (da) 1983-03-07
DE2805266A1 (de) 1978-08-10
NO144470B (no) 1981-06-01
DK145238B (da) 1982-10-11
FI780338A (fi) 1978-08-09
NO144470C (no) 1981-09-09
SE7701351L (sv) 1978-08-09
NO780425L (no) 1978-08-09
DK48178A (da) 1978-08-09

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee