Combustion – Timer – programmer – retarder or condition responsive control – By condition of burner feed or feed means
Patent
1995-03-01
1998-02-10
Yeung, James C.
Combustion
Timer, programmer, retarder or condition responsive control
By condition of burner feed or feed means
431 62, 126 92B, F23N 302
Patent
active
057162034
ABSTRACT:
The invention relates to an injection device for burner heating apparatus provided with an air/gas mixture conduit including a Venturi element. This injection device comprises an injector holding tube (14), secured to a valve body (15) divided internally into two chambers by a membrane (23): an idle chamber (24) subjected to the pressure of the gas and communicating with the injector holding tube (14), and a compensation chamber (25) set to atmospheric pressure, enclosing a spring (27) able to urge the membrane (23) toward an idle mode state. This injection device comprises further a rod (31) secured to the membrane (23) and associated with idle mode stop means (34), said rod being extended by a tapered needle (33) arranged to traverse the injector (13) and determine with the latter a cross-section for the idle mode gas outlet, when the pressure of the gas is less than or equal to the idle mode pressure.
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Dutton, Jr. Harold H.
Jamison W. Charles L.
Liebman Diane S.
Yeung James C.
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