Safety interlock for a motor vehicle engine starting circuitry

Details Safety interlock for a motor vehicle engine starting circuitry Safety interlock for a motor vehicle engine starting circuitry

1984-11-16

1986-09-02

Cox, Ronald B.

Internal-combustion engines

Engine speed regulator

Engine speed reduction by partial or complete omission of...

123198DC, F02D 1110

Patent

active

046089535

ABSTRACT:
A speed-limiting device of the electronic ignition type for the internal combustion engine of a motor vehicle is equipped with an AC generator driven to rotation by the engine, such a generator comprising a feeding coil for the electronic ignition circuitry and a pickup winding for controlling the sparking of the engine spark plugs is characterized in that the signal of said control of the sparking for the igniting spark is cut off by short-circuiting to ground the pickup winding via a diode which is governed by the voltage generated by said feeding coil of the ignition circuitry, a voltage which is appropriately processed by a specially provided electric circuitry so as to become proportional to the generator speed as the voltage in question overtakes a threshold magnitude as preset by a specially provided sensing member.

REFERENCES:
patent: 3601103 (1971-08-01), Swiden
patent: 4074665 (1978-02-01), Patis
patent: 4297977 (1981-11-01), Boyama

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