Combustion – Timer – programmer – retarder or condition responsive control – By condition of burner feed or feed means
Reexamination Certificate
2008-01-01
2008-01-01
McAllister, Steve (Department: 3749)
Combustion
Timer, programmer, retarder or condition responsive control
By condition of burner feed or feed means
C431S024000, C431S075000
Reexamination Certificate
active
11023243
ABSTRACT:
A method of verifying proper operation of an electromagnetic valve. The method includes providing a mechanism to effect opening of the valve, verifying that the valve opened as a result of employing the mechanism to effect opening of the valve and after verifying the valve opened, signaling the valve to close after a first period of time has elapsed. The method further includes, after signaling the valve to close, signaling the valve to re-open after a second period of time has elapsed and detecting the occurrence or non-occurrence of an event associated with the closing or re-opening of the valve.
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Chian Brent
Kasprzyk Donald J.
Munsterhuis Sybrandus B. V.
Nordberg Timothy J.
Waszczenko Andres
Honeywell International , Inc.
McAllister Steve
Ndubizu Chuka C
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