Car-mounted igniter using IGBT

Details Car-mounted igniter using IGBT Car-mounted igniter using IGBT

2006-05-30

2006-05-30

Solis, Erick (Department: 3747)

Internal-combustion engines

High tension ignition system

Current or voltage sensing in coil primary

C123S650000, C123S651000, C123S652000

Reexamination Certificate

active

07051724

ABSTRACT:
An igniter of the present invention has an insulated gate semiconductor device having a collector terminal, an emitter terminal and a gate terminal, a current control circuit which limits current by controlling voltage at the gate terminal when current for flowing through the insulated gate semiconductor device exceeds a fixed value, a voltage monitor circuit for detecting a potential of the collector, and a control current adjusting circuit for controlling current which flows through the gate terminal by receiving output from the voltage monitor circuit.

REFERENCES:
patent: 5634453 (1997-06-01), Taruya et al.
patent: 5775310 (1998-07-01), Ito et al.
patent: 6336448 (2002-01-01), Furuhata
patent: 2004/0011343 (2004-01-01), Nobe et al.
patent: 9-79126 (1997-03-01), None
patent: 9-280147 (1997-10-01), None
patent: 11-294309 (1999-10-01), None
patent: 2002-295354 (2002-10-01), None

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