Over-revolution preventing apparatus for internal combustion eng

Details Over-revolution preventing apparatus for internal combustion eng Over-revolution preventing apparatus for internal combustion eng

1984-08-31

1986-06-17

Cox, Ronald B.

Internal-combustion engines

Engine speed regulator

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

123198DC, F02P 900

Patent

active

045949786

ABSTRACT:
An electronic revolution rate limiting apparatus is described which generally comprises a transducer for generating a tachometer signal which is indicative of the revolution rate of the internal combustion engine, a circuit for generating a rate signal which is derived from an oscillator and is responsive to the operation state of the engine to determine the maximum revolution rate for each of a plurality of operation states, a circuit for producing a control signal which is responsive to the tachometer signal and the rate signal, and a switch for interacting with the ignition system of the engine to prevent a sparking voltage from being induced in the ignition system in response to the value of the control signal.

REFERENCES:
patent: 3182648 (1965-05-01), Schneider
patent: 3402327 (1968-09-01), Blackburn
patent: 4237997 (1980-12-01), Swanson
patent: 4336778 (1982-06-01), Howard
patent: 4404940 (1983-09-01), Sieja
patent: 4459951 (1984-07-01), Tobinaga

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