Dry sump lubrication system for an internal combustion engine

Details Dry sump lubrication system for an internal combustion engine Dry sump lubrication system for an internal combustion engine

1985-12-04

1987-07-21

Croyle, Carlton R.

Lubrication

Systems

Dry sump

184 621, 184 623, 123196A, 55182, 55437, F01M 1108

Patent

active

046811893

ABSTRACT:
A dry sump lubrication system for an internal combustion engine which includes a cam housing, a crankcase and an oil sump therein. The lubrication system includes an oil tank, a conduit connecting the oil tank to the engine and an oil pump for pumping oil from the sump. The pump may include a plurality of pumping stages. An air separator is directly connected to the pump to remove air from the oil. Oil is conducted from the air separator to the oil tank. Separated air is conducted from the air separator to a canister which is vented to the atmosphere. Oil particles will be condensed out of the air in the canister and will be conducted back to the engine through a conduit which is connected to the engine housing, which conduit includes a restrictor whereby engine pressure will not be equalized with the atmospheric pressure in the canister. A pressure relief is also provided for the oil tank by means of a one way check valve which connects the oil tank to the canister.

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patent: 2888097 (1959-05-01), Scheffler
patent: 3045778 (1962-07-01), Mosbacher

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