Lubrication system with an oil bypass valve

Details Lubrication system with an oil bypass valve Lubrication system with an oil bypass valve

1993-08-30

1994-08-23

Cross, E. Rollins

Internal-combustion engines

Lubricators

Crankcase, pressure control

123196AB, F01M 116

Patent

active

053397762

ABSTRACT:
A lubrication system (10) has a bypass valve (34) with an inlet port (60) connected to the outlet side of the oil pump (18). The valve (34) is connected to a electronic control unit (40) that has inputs (76), (78), (80), and (82) to receive information on oil pressure, coolant temperature, oil temperature, engine speed and engine load to control the operation of an electric motor (38) which opens and closes the bypass valve (34). The oil pressure within the engine supply passage (22) is thereby controlled by the position of valve (34).

REFERENCES:
patent: 4027643 (1977-06-01), Feenan et al.
patent: 4616609 (1986-10-01), Munch et al.
patent: 5220892 (1993-06-01), Boemer

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