Multiple plate combustor

F - Mech Eng,Light,Heat,Weapons – 24 – H

Patent

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Details

F24H 1/43 (2006.01) F23C 15/00 (2006.01) F23D 14/58 (2006.01) F23M 5/08 (2006.01)

Patent

CA 2500769

The invention consists of a pulse combustor, comprising two spaced apart outer plates (23,30), the outer plates 5 having flat outer regions, conical regions (74,14) inside of the flat regions and central hubs, where the volume between conical regions of the plates defines a combustion chamber (70). The pulse combustor further comprises a plurality of intermediate plates (24,26,28) located between the outer plates, the plurality of intermediate plates being spaced apart to form tailpipe regions (40, 41,42,43) therebetween and between the outer plates and adjacent ones of the intermediate plates and a burner coupled to one of the hubs, the burner (12) operative to ignite a fuel/air mixture in the combustion chamber. The outer and intermediate plates have spiral coolant passageways therein for conducting cooling fluid to cool expanding gases traveling between the plates through the tailpipe regions. The invention further consists of a burner assembly for use in a combustion chamber.

L'invention concerne une chambre de combustion pulsatoire qui comprend deux plaques extérieures espacées. Ces plaques comportent des régions extérieures plates, des régions coniques à l'intérieur des régions plates et des éléments centraux, le volume entre les régions coniques des plaques définissant une chambre de combustion. La chambre de combustion pulsatoire comprend de plus une pluralité de plaques intermédiaires se situant entre les plaques extérieures et qui sont espacées de manière à former des régions d'échappement entre elles et entre les plaques extérieures et des plaques intermédiaires adjacentes ; et un brûleur couplé à un des éléments centraux, le brûleur permettant d'allumer un mélange combustible/air dans la chambre de combustion. Les plaques extérieures et intermédiaires comportent des passages de refroidissement spiraux pour conduire un fluide de refroidissement destiné à refroidir les gaz en expansion s'écoulant entre les plaques par les régions d'échappement. L'invention concerne de plus un ensemble brûleur s'utilisant dans une chambre à combustion.

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