F - Mech Eng,Light,Heat,Weapons – 23 – N
Patent
F - Mech Eng,Light,Heat,Weapons
23
N
F23N 5/00 (2006.01) F23N 5/24 (2006.01) G01M 3/22 (2006.01)
Patent
CA 2046503
ABSTRACT OF THE DISCLOSURE A leak detector for a valve controlling flow of fuel to a combustion chamber employs a fuel concentration sensor in a sensing chamber placed downstream from the valve seat. The valve has a downstream chamber which is in communication by diffusion through an orifice, with a source of pressurized air. By injecting air into the downstream chamber through this orifice after the valve has closed and then measuring with the sensor the fuel concentration within the sensing chamber excessive fuel leakage by the valve can be detected
Bonne Ulrich
Schwarz Edward L.
Tate George J.
Honeywell Inc.
Smart & Biggar
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