Electricity: measuring and testing – Internal-combustion engine ignition system or device – Coil
Reexamination Certificate
2005-12-06
2005-12-06
Deb, Anjan (Department: 2858)
Electricity: measuring and testing
Internal-combustion engine ignition system or device
Coil
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.
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patent: 2003/0038635 (2003-02-01), McQueeney et al.
Deb Anjan
He Amy
McDermott Will & Emery LLP
Snap-On Incorporated
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