Electricity: measuring and testing – Measuring – testing – or sensing electricity – per se – Frequency of cyclic current or voltage
Patent
1977-04-08
1979-01-16
Krawczewicz, Stanley T.
Electricity: measuring and testing
Measuring, testing, or sensing electricity, per se
Frequency of cyclic current or voltage
731173, G01R 1342
Patent
active
041351541
ABSTRACT:
Multi-electric discharges in the spark plugs of an electric ignition type engine to be inspected is sustained through a fixed angle of the engine cycle from the timing of spark ignition. For this period the electric discharge wave sustained in the spark plug is displayed. From the electric discharge wave displayed one can determine what are the change in pressure and the conditions of combustion gas in the combustion chamber of the engine.
REFERENCES:
patent: 2366355 (1945-01-01), Roberts
patent: 2608093 (1952-08-01), Traver
patent: 3005948 (1961-10-01), Broder et al.
patent: 3404333 (1968-10-01), Roberts
patent: 3409824 (1968-11-01), Makuh
patent: 3573608 (1971-04-01), Marino et al.
Higashi Hideo
Ogura Toshiaki
Saito Toshio
Yamazaki Yoshimichi
Banzai, Ltd.
Krawczewicz Stanley T.
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