F - Mech Eng,Light,Heat,Weapons – 23 – N
Patent
F - Mech Eng,Light,Heat,Weapons
23
N
F23N 5/00 (2006.01) F23Q 3/00 (2006.01)
Patent
CA 2608456
Automatic device (10) for the ignition and control of a gas apparatus (1) comprising at least one burner (11, 12) for regulating the flow of gas from a main pipe (28) towards a nozzle (8, 13) associated with the burner (11, 12); - a spark circuit (80) suitable for generating a pilot flame upon receipt a electric start signal (Start); - electrically controlled valve means (7) associated to said at least one burner (11,12); - at least one supply voltage (VDC, VBB) provided by the electricity main (2) and/or by battery means (4), to supply said automatic device; - an electrical microprocessor unit (5) in said automatic device to drive and to control both said valve means (7) and said spark circuit (80); - at least one actuator circuit (40, 45) activated by said electrical microprocessor unit (5) through an activation signal (21, 22) having a pulse train to dynamically bias said valve means (7) and to regulate its charge state according to the duty cycle of the pulse train. The present invention also concerns a method for driving the automatic device for the ignition and control of a gas apparatus.
Norton Rose Or S.e.n.c.r.l.,s.r.l./llp
Sit La Precisa S.p.a.
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