Apparatus and method for detecting leaks in a system for deliver

Details Apparatus and method for detecting leaks in a system for deliver Apparatus and method for detecting leaks in a system for deliver

1990-07-10

1992-02-04

Jones, Larry

Combustion

Timer, programmer, retarder or condition responsive control

By sensing of gas leakage, flashback or escaped flame

431 18, 431119, 137551, 137557, F23N 524

Patent

active

050855760

ABSTRACT:
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.

REFERENCES:
patent: 2729221 (1956-01-01), Gorham et al.
patent: 2757362 (1956-07-01), Gutkowski
patent: 3999932 (1976-12-01), Matthews
patent: 4209291 (1980-06-01), Gandolfi et al.
patent: 4375353 (1983-03-01), Nicholas et al.

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