Internal-combustion engines – Lubricators – Crankcase – pressure control
Patent
1996-08-21
1997-12-09
Solis, Erick R.
Internal-combustion engines
Lubricators
Crankcase, pressure control
184 63, F01M 502
Patent
active
056948964
ABSTRACT:
A simple pre-oiler has a hollow pressure vessel and a control valve tapped into the engine oil system. The control valve has only one moving part, a plug which is balanced by the engine oil pressure and the vessel pressure. When the engine oil pressure exceeds the vessel pressure, the control valve opens to fill the vessel. When start-up occurs, a solenoid opens the control valve to discharge the vessel's pressurized oil into the engine oiling system. A filler plug allows a metered amount of oil to be added to the vessel. Air pressure can then be added to the vessel. By timing the period to empty the vessel's oil into a non-running engine, an engine-wear test is accomplished.
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Martin Rick
Solis Erick R.
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