F - Mech Eng,Light,Heat,Weapons – 23 – C
Patent
F - Mech Eng,Light,Heat,Weapons
23
C
158/34
F23C 15/00 (2006.01)
Patent
CA 1122515
ABSTRACT OF THE DISCLOSURE A pulse combustion apparatus is disclosed and includes a housing defining an air cushion chamber, a combustion chamber having an inlet communicating with the air cushion chamber, and an outlet, and a unitary gas cushion chamber sub-assembly disposed in the air cushion chamber. This sub-assembly includes a hollow gas cushion chamber coupled to a supply of combustible gas, and a valve plate extending across and closing the combustion chamber inlet. A plurality of gas inlets tubes extend upwardly from the valve plate and support the gas cushion chamber above the plate. Each tube communicates at its lower end with a gas inlet opening in the plate and each such opening has associated therewith a plurality of air inlet openings communicating with the air cushion cham- ber. A plurality of one way valves are disposed in the combustion chamber inlet and each includes a corresponding plurality of valve members responsive to pressure in the combustion chamber and movable to close the gas and air inlet openings when combustion pressures exist in said chamber and to open said openings during a vacuum transient for admitting fuel. Ignition means is pro- vided and is operable to initiate combustion in the com- bustion chamber and the apparatus further includes at least one exhaust pipe forming a resonant system with the combustion chamber.
383196
Bereskin & Parr Llp/s.e.n.c.r.l.,s.r.l.
Kitchen John A.
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