F - Mech Eng,Light,Heat,Weapons – 23 – N
Patent
F - Mech Eng,Light,Heat,Weapons
23
N
341/19
F23N 5/02 (2006.01) F23N 5/20 (2006.01) F23N 5/24 (2006.01) F23Q 23/10 (2006.01)
Patent
CA 1123934
ABSTRACT OF THE DISCLOSURE A safe start check circuit for a fuel burner is disclosed. Two relays are arranged to insure proper start and to protect against component failure. Delays in operating the relays, and a normally closed control relay contact serve to both prevent relay races and provide protection against a solid state switch means failure.
339381
Honeywell Inc.
Smart & Biggar
LandOfFree
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