F - Mech Eng,Light,Heat,Weapons – 16 – N
Patent
F - Mech Eng,Light,Heat,Weapons
16
N
184/32
F16N 29/02 (2006.01) F01M 9/00 (2006.01)
Patent
CA 2013375
-18- Abstract of the Disclosure ENGINE LUBRICATION SYSTEM The invention relates to a prelubrication system for an engine. It is desirable to prelubricate relatively large engines to prevent possible damage of certain components such as the crankshaft and camshaft bearings. Engines that must be started in a matter of seconds are provided with prelube pumps that run continually. During long periods of continuous prelube lubrication fluid being pumped upward into the upper rocker arm area may find its way into combustion chambers and result in damage of engine components. The present system provides a fluid level control device that prevents lubrication fluid from reaching the upper rocker arm area of the engine when the engine is not running and disables the control device when the engine is running allowing the supply of lubricant to reach the upper rocker arm area. The system further allows the engine to be started when it is sensed that there is a sufficient supply of fluid in critical areas of the engine and prevents the engine from being started if the supply of fluid is insufficient.
Morris Leslie C.
Riediger Craig W.
Caterpillar Inc.
Kirby Eades Gale Baker
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