F - Mech Eng,Light,Heat,Weapons – 02 – P
Patent
F - Mech Eng,Light,Heat,Weapons
02
P
F02P 17/00 (2006.01) F02P 17/08 (2006.01) F02P 17/12 (2006.01) G01M 15/04 (2006.01) G01R 31/00 (2006.01)
Patent
CA 2133689
Abstract of the Disclosure A diagnostic system for a multiple cylinder internal combustion engine includes a digital engine analyzer having an oscilloscope display controlled by microprocessors operating under menu-driven stored program control. A clamp-type, Hall-effect pickup probe non-invasively detects a current flowing through a conductor in the engine to generate a current detection signal which is fed to an amplifier adapter which is, in turn, coupled to an input terminal of the analyzer. The analyzer processes the amplified signal to produce a waveform display signal which is displayed on the oscilloscope in either of two different display formats. Another input lead of the analyzer senses the number 1 cylinder firing and the analyzer synchronizes the waveform display signal to the number 1 cylinder signal.
Becker Thomas P.
Braun Robert D.
Crass Matthew M.
Meeker Michael B.
Smart & Biggar
Snap-On Incorporated
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