Patent ID: 8607542
Filing Date: 2013-12-17
Classification: F23C,F23R

Abstract:
1. A valveless pulse combustor comprising: a combustion chamber with a closed first end and an open second end; a tailpipe in fluid communication with the open second end of the combustion chamber; an inlet pipe in fluid communication with the open second end of the combustion chamber; a casing surrounding the combustion chamber, inlet pipe, tail pipe, and the closed first end of the combustion chamber, the casing having at least one annular ejector axially aligned with at least the inlet of the inlet pipe, the at least one annular ejector comprising a convergent portion, a throat, a mixing zone, and a divergent portion and arranged to receive a bypass flow and entrain gases to smooth pressure fluctuations in the gases; and the inlet pipe and the tailpipe being arranged such that one is located within the other.