Electricity: measuring and testing – Internal-combustion engine ignition system or device – Apparatus for coupling a measuring instrument to an ignition...
Patent
1988-07-12
1989-07-11
Strecker, Gerard R.
Electricity: measuring and testing
Internal-combustion engine ignition system or device
Apparatus for coupling a measuring instrument to an ignition...
F02P 1700
Patent
active
048475637
ABSTRACT:
A distributorless ignition interface unit for use with an engine analyzer for analyzing an internal combustion engine includes a processing circuit which responds to analog signals representing true and wasted firings for the cylinders of the engine under test to determine the number of cylinders of the engine and the polarity of the firing of each cylinder and to then characterize the engine by determining the order of the true and wasted firing signals produced during an engine cycle and for producing a parade pattern of true or wasted secondary signals for application to the engine analyzer.
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Geisler Ron D.
Govekar Craig F.
Sniegowski John C.
Thibedeau Dennis G.
Miele Anthony L.
Snap-on Tools Corporation
Strecker Gerard R.
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