Electronic lubricant metering system

Internal-combustion engines – Lubricators – Crankcase – pressure control

Patent

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Details

123 73AD, F02B 3304, F01M 100

Patent

active

043697437

ABSTRACT:
Disclosed herein is an electronic lubricant metering system for an engine which includes a throttle for regulating the amount of fuel delivered to the engine, the system comprising a frequency to voltage converter for producing a first electrical signal representative of engine RPM, a potentiometer including a wiper coupled to move in response to movement of the engine throttle, the voltage appearing on the wiper producing a second electrical signal representative of the amount of fuel being delivered to the engine, an oil pump for supplying a variable amount of lubricant into the fuel delivered to the engine, and an electrical control circuit responsive to the first and second electrical signals for providing a control output which renders the oil pump operative to vary the lubricant/fuel ratio of the lubricant and fuel mixture delivered to the engine.

REFERENCES:
patent: 3114356 (1963-12-01), Werner et al.
patent: 3140700 (1964-07-01), Nallinger
patent: 3297008 (1967-01-01), Alt et al.
patent: 3561565 (1971-02-01), Woor
patent: 3886914 (1975-06-01), Ahrns et al.
patent: 4121559 (1978-10-01), Yamada

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