H - Electricity – 03 – K
Patent
H - Electricity
03
K
328/189, 342/19.
H03K 17/284 (2006.01) F23N 5/20 (2006.01)
Patent
CA 1159521
ABSTRACT OF THE DISCLOSURE A timer and control circuit using a field effect transistor that is operated in three different current carrying conditions or operating modes is disclosed. The three operating modes are used to establish two successive timed intervals for a prepurge and a trial for ignition for a fuel burner.
395032
Honeywell Inc.
Smart & Biggar
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