A - Human Necessities – 62 – C
Patent
A - Human Necessities
62
C
A62C 13/72 (2006.01)
Patent
CA 2638173
A fire extinguisher (50, 50~, 50~) comprises a container (10, 10~) that holds a fire-extinguishing substance and that has a container jacket (12, 12~) closed at both ends, and a piston (20, 20~) which is axially displaceable in the container jacket and which separates a space (22, 22~) for fire- extinguishing substance from an expansion space (24, 24~) in the container. According to the invention, an inner compressed-gas chamber (26, 26~) provided in the container (10, 10~) is spatially separate from the expansion space and serves for controlled pressurizing of the expansion space (24, 24~). The piston (20, 20~) is arranged such that it can be displaced along the compressed-gas chamber (26, 26~).
L'invention concerne un extincteur (50, 50', 50') qui comprend un réservoir (10, 10') d'agent d'extinction qui présente une enveloppe (12, 12') de réservoir fermée des deux côtés et un piston (20, 20') qui peut coulisser axialement dans l'enveloppe du réservoir, l'enveloppe séparant dans le réservoir d'agent d'extinction une chambre (22, 22') à agent d'extinction d'une chambre (24, 24') de détente. Selon l'invention, une chambre intérieure (26, 26') à gaz sous pression séparée de la chambre de détente est prévue pour appliquer une pression contrôlée sur la chambre (24, 24') de détente. Le piston (20, 20') est disposé de manière à coulisser le long de la chambre (26, 26') à gaz sous pression.
Bermes Karl
Felten Frank
Gowling Lafleur Henderson Llp
Luxembourg Patent Company S.a.
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