Lubrication – Automobile crank and gear case service
Patent
1998-01-12
1999-10-12
Graysay, Tamara L.
Lubrication
Automobile crank and gear case service
184 64, 123196S, F16C 314, F01M 118, F01M 100
Patent
active
059643188
ABSTRACT:
A system for measuring the quality and level of lubricant in an engine lubricant reservoir includes a valve for selectively directing a portion of lubricant from the engine through a first conduit for return to the engine or through a second conduit for removal from the engine. Within the first conduit are one or more sensors for sensing the condition of the lubricant passing through the first conduit. The sensors are monitored by a controller which is operative selectively to cause the valve to block the flow of lubricant through the first conduit and direct a portion of the lubricant through the second conduit based on the monitored conditions of the lubricant. Also, the controller directs a supply of fresh lubricant to the engine in response to the lubricant in the engine lubricant reservoir dropping below a predetermined level. The lubricant flowing through the second conduit may either be stored in a lubricant reservoir and if desired subsequently intermittently mixed with the fuel in the fuel tank, or caused to flow directly to the fuel tank on command of the valve by the controller which limits the amount of lubricant that can be added to the fuel tank so as not to exceed a predetermined lubricant/fuel ratio for the engine.
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Japanese Laid-Open Publication No. 50-145744, K. Hirami, May 15, 1974.
Boyle Frederick P.
Damm Klaus-Werner
Garvin Gary A.
Orloff Gary L.
Graysay Tamara L.
Pawlikowski Beverly A.
Shold David M.
Stallman Brandon C.
The Lubrizol Corporation
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