Engine lubrication system
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United States of America Patent
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Jan 22, 2019
Grant Date -
Aug 6, 2015
app pub date -
Feb 5, 2015
filing date -
Feb 5, 2014
priority date (Note) -
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Abstract
A system and method for delivering lubrication oil to an internal combustion engine. The engine lubrication system (10) comprises a lubrication oil reservoir (13), a pump (15) to deliver lubrication oil to the engine from the reservoir (13), and a pressurization system (17) for pressurizing oil received by the pump from the reservoir for delivery to the engine. The pressurization establishes a positive pressure at the pump inlet to assist delivery of oil having entrained vapor cavities to the engine for lubrication thereof. The pump (15) comprises a solenoid actuated positive displacement pump, whereby operation of the pump may be selectively controlled by the manner in which the solenoid is operated. The engine lubrication system (10) further comprises a pressure release system (46) comprising pressure relief valve (47) for relieving excess fluid pressure within the oil reservoir (13).
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