DE68903519D1 - LIFTING CYLINDER ACTIVATED BY PRESSURE FLUID, ESPECIALLY FOR VENTILATION VALVES. - Google Patents

LIFTING CYLINDER ACTIVATED BY PRESSURE FLUID, ESPECIALLY FOR VENTILATION VALVES.

Info

Publication number
DE68903519D1
DE68903519D1 DE8989301992T DE68903519T DE68903519D1 DE 68903519 D1 DE68903519 D1 DE 68903519D1 DE 8989301992 T DE8989301992 T DE 8989301992T DE 68903519 T DE68903519 T DE 68903519T DE 68903519 D1 DE68903519 D1 DE 68903519D1
Authority
DE
Germany
Prior art keywords
pressure fluid
lifting cylinder
ventilation valves
cylinder activated
activated
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 - Fee Related
Application number
DE8989301992T
Other languages
German (de)
Other versions
DE68903519T2 (en
Inventor
Peter Ridderman
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.)
Colt International Holdings AG
Original Assignee
Colt International Holdings AG
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
Priority claimed from DE8804119U external-priority patent/DE8804119U1/de
Application filed by Colt International Holdings AG filed Critical Colt International Holdings AG
Priority to DE8989301992T priority Critical patent/DE68903519T2/en
Application granted granted Critical
Publication of DE68903519D1 publication Critical patent/DE68903519D1/en
Publication of DE68903519T2 publication Critical patent/DE68903519T2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/261—Locking mechanisms using positive interengagement, e.g. balls and grooves, for locking in the end positions
    • A—HUMAN NECESSITIES
    • A62—LIFE-SAVING; FIRE-FIGHTING
    • A62C—FIRE-FIGHTING
    • A62C2/00—Fire prevention or containment
    • A62C2/06—Physical fire-barriers
    • A62C2/24—Operating or controlling mechanisms
    • A62C2/246—Operating or controlling mechanisms having non-mechanical actuators
    • A62C2/248—Operating or controlling mechanisms having non-mechanical actuators pneumatic

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Actuator (AREA)
DE8989301992T 1988-03-26 1989-02-28 LIFTING CYLINDER ACTIVATED BY PRESSURE FLUID, ESPECIALLY FOR VENTILATION VALVES. Expired - Lifetime DE68903519T2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DE8989301992T DE68903519T2 (en) 1988-03-26 1989-02-28 LIFTING CYLINDER ACTIVATED BY PRESSURE FLUID, ESPECIALLY FOR VENTILATION VALVES.

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
DE8804119U DE8804119U1 (en) 1988-03-26 1988-03-26
DE3814003A DE3814003A1 (en) 1988-03-26 1988-04-26 PRESSURE-OPERATING LIFT CYLINDER FOR PREFERRED VENTILATION DEVICES
DE8989301992T DE68903519T2 (en) 1988-03-26 1989-02-28 LIFTING CYLINDER ACTIVATED BY PRESSURE FLUID, ESPECIALLY FOR VENTILATION VALVES.

Publications (2)

Publication Number Publication Date
DE68903519D1 true DE68903519D1 (en) 1992-12-24
DE68903519T2 DE68903519T2 (en) 1993-05-19

Family

ID=25867395

Family Applications (2)

Application Number Title Priority Date Filing Date
DE3814003A Withdrawn DE3814003A1 (en) 1988-03-26 1988-04-26 PRESSURE-OPERATING LIFT CYLINDER FOR PREFERRED VENTILATION DEVICES
DE8989301992T Expired - Lifetime DE68903519T2 (en) 1988-03-26 1989-02-28 LIFTING CYLINDER ACTIVATED BY PRESSURE FLUID, ESPECIALLY FOR VENTILATION VALVES.

Family Applications Before (1)

Application Number Title Priority Date Filing Date
DE3814003A Withdrawn DE3814003A1 (en) 1988-03-26 1988-04-26 PRESSURE-OPERATING LIFT CYLINDER FOR PREFERRED VENTILATION DEVICES

Country Status (2)

Country Link
EP (1) EP0335504B1 (en)
DE (2) DE3814003A1 (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104454779B (en) * 2014-10-13 2017-02-15 长沙迪普机械科技有限公司 Linear actuator with locking mechanism
CN105257619B (en) * 2015-11-13 2017-12-05 湖南特力液压有限公司 Hydraulic cylinder

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE109684C (en) *
FR994333A (en) * 1945-01-16 1951-11-15 F Brasseur Sa Des Atel Oscillating corridor motor
US2582512A (en) * 1948-06-07 1952-01-15 Deere & Co Multispeed and multistroke fluidpressure apparatus
DE2408200A1 (en) * 1974-02-20 1975-08-28 Grescha Ges Grefe & Scharf Remote actuator for fume ventilator covers - has actuating cylinder for releasing the spring for opening the cover
DE2634565A1 (en) * 1976-07-31 1978-02-02 Iva Ingenieurgesellschaft Mbh Opener for combined ventilation and fume extraction - has pivoted cylinder moving flap into partly and fully open position
DE3008995C2 (en) * 1980-03-08 1982-07-15 Heinz Essmann Gmbh & Co Kg, 4902 Bad Salzuflen Device for opening and closing a smoke and heat exhaust flap
DE3109684C2 (en) * 1981-03-13 1986-09-25 Zahnräderfabrik Renk AG, 8900 Augsburg Adjusting device for generating linear movements of various sizes
DE3609765A1 (en) * 1986-03-22 1987-09-24 Colt Int Holdings PRESSURE-OPERATING LIFT CYLINDER FOR PREFERRED VENTILATION DEVICES

Also Published As

Publication number Publication date
EP0335504B1 (en) 1992-11-19
DE68903519T2 (en) 1993-05-19
EP0335504A1 (en) 1989-10-04
DE3814003A1 (en) 1989-10-12

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee