Waste-power KV simulator for hybrid/DIS ignition

Electricity: measuring and testing – Internal-combustion engine ignition system or device – Coil

Reexamination Certificate

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C324S380000, C123S630000

Reexamination Certificate

active

06972569

ABSTRACT:
A testing apparatus for testing a waste-power ignition coil is provided and includes an igniter simulator having a first switching device electrically connected to an output of the primary side of a waste-power ignition coil under test and a triggering means for changing a state of the first switching device at a predetermined interval. A second switching device bears a first pair of contacts being electrically connected to one of a positive going and negative going output of a secondary winding of the waste-power ignition coil under test and a second pair of contacts being electrically connected to another of a positive going and negative going output of the secondary winding of the waste-power ignition coil under test. The second switching device acts substantially synchronously with the igniter simulator actuator to ground a respective one of the positive going and negative going output of the secondary winding of the waste-power ignition coil under test to simulate a waste-stroke phase.

REFERENCES:
patent: 1873121 (1932-08-01), Hartzell
patent: 4385278 (1983-05-01), Sterling
patent: 5175501 (1992-12-01), Loewe et al.
patent: 5479101 (1995-12-01), Chang
patent: 5641898 (1997-06-01), Chang
patent: 6396277 (2002-05-01), Fong et al.
patent: 6842007 (2005-01-01), Butler et al.
patent: 2003/0038635 (2003-02-01), McQueeney et al.

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