Automatically scaled engine diagnostic apparatus

Details Automatically scaled engine diagnostic apparatus Automatically scaled engine diagnostic apparatus

1984-09-20

1987-06-16

Eisenzopf, Reinhard J.

Electricity: measuring and testing

Internal-combustion engine ignition system or device

Using plural tests in a conventional ignition system

73116, G01L 326

Patent

active

046738835

ABSTRACT:
An improved diagnostic apparatus for internal combustion engines; indicating engine speed, and dwell angle; capable of selectively inhibiting the firing of individual cylinders, and having: All readings automatically adjusted for the number of cylinders in the engine being tested; indication of proper synchronization with the engine under test; derivation of all operating power from the ignition signal of the engine under test.

REFERENCES:
patent: Re26163 (1967-02-01), Heyer
patent: 2809344 (1957-10-01), Mayer
patent: 2986032 (1961-05-01), Heyer
patent: 3572103 (1971-03-01), Marino
patent: 3573608 (1971-04-01), Marino
patent: 3788129 (1974-01-01), Trussell
patent: 3940977 (1976-03-01), Voross
patent: 3961239 (1976-06-01), Lach
Marston: "Over-Speed Alarms"--Radio Electronics--Oct. 1976, pp. 45-47.
Conradi: "Tachometer-Dwellmeter for Your Car"--Radio-Electronics, Mar. 65, pp. 56-57.
Swain: "Tacho/Dwell Meter . . . ", Electronics (Australia), Oct. 1980--pp. 40-51.

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