Microprocessor-based engine speed limiter

Details Microprocessor-based engine speed limiter Microprocessor-based engine speed limiter

1991-09-05

1992-08-18

Wolfe, Willis R.

Internal-combustion engines

Engine speed regulator

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

123198DC, F02P 515, F02P 1100

Patent

active

051389967

ABSTRACT:
The microprocessor-based speed limiter compares a speed value functionally related to the actual speed of the engine with a stored reference value and generates a limit signal to ground the ignition pulses if the speed value is greater than or equal to the reference value. The ignition pulses are preferably grounded for a preselected number of engine revolutions, after which another comparison is made to determine whether the actual engine speed is below the maximum limit speed. Both the stored reference value and the preselected number of engine revolutions may be changed.

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Motorola Semiconductor Technical Data on MC68HC05P4 Microprocessor Published in Jan. 1990.
Microprocessor, Microcontroller and Peripheral Data Catalog, Published by Motorola in Jan. 1988.
HC05-MC68HC705P9 Technical Data, published by Motorola in Jan. 1991.

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