Patent ID: 7473094

Claim:
A pulse combustor, comprising: a) a first outer plate or coil; b) a second outer plate or coil spaced apart from and substantially parallel to said first outer plate or coil, wherein said second outer plate or coil comprises a hub; c) at least one intermediate coil located between and substantially parallel to said first and said second outer plates or coils, wherein said intermediate coil is spaced apart from any adjacent of said intermediate coils and from any adjacent of said first and said second outer plates or coils, whereby tailpipe regions are formed on both sides of said intermediate coil, and wherein said intermediate coil comprises: i a coolant passageway for conducting coolant through the intermediate coil; ii an inlet to said coolant passageway; and, iii an outlet from said coolant passageway; d) a combustion chamber between said first and said second outer plates or coils; and, e) a burner coupled to said hub, said burner operative to ignite a fuel/air mixture in said combustion chamber.