Combustion apparatus having collapsible volume

Details Combustion apparatus having collapsible volume Combustion apparatus having collapsible volume

B - Operations, Transporting

25

C

B25C 1/08 (2006.01) B25C 1/12 (2006.01) B25C 1/14 (2006.01)

Patent

CA 2544999

A gas combustion-powered apparatus includes a piston chamber housing a driveable piston, and a combustion chamber having a generally flat wall assembly and a cup-shaped wall defining at least one combustion volume therebetween. The cup-shaped wall is moveable in relation to the piston chamber, and has a generally flat portion opposing, and generally parallel to, the generally flat wall assembly. An ignition source is in operable relationship to the combustion volume, which can ignite a combustible gas within the combustion volume. The piston forms at least a portion of the generally flat wall assembly when the piston is in an undriven state.

L'invention concerne un dispositif alimenté par un gaz de combustion, comprenant une chambre de piston contenant un piston mobile et une chambre de combustion comportant un ensemble à paroi globalement plane et une paroi en entonnoir définissant au moins un volume de combustion. Cette paroi en entonnoir peut se déplacer par rapport à la chambre de piston et comprend une partie globalement plane opposée et globalement parallèle à l'ensemble à paroi globalement plane. Une source d'allumage reliée fonctionnellement à un volume de combustion peut allumer un gaz de combustion dans le volume de combustion. Le piston forme au moins une partie de l'ensemble à paroi globalement plane lorsqu'il est au repos.

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