Patent ID: 6494294
Filing Date: 2002-12-17
Classification: F01M,Y10T

Abstract:
A lubricating oil supply device for supplying lubricating oil to an engine from an oil tank by a pump, said device comprising a spool valve and a solenoid for operating said valve, said spool valve comprising:a valve body having an open longitudinal space, plural, spaced inlet passages extending radially from first ends opening into said longitudinal space and second ends connected to a discharge side of the pump, and at least one outlet passage having one end connected to at least one inlet passage and a second end connected to the engine for feeding the lubricating oil thereto; a return passage for returning oil from said spool valve to the pump; and a spool member reciprocably mounted in said longitudinal space for reciprocating movement relative to the valve body between open and closed positions, under control of said solenoid, said spool member having communication passages respectively connecting said inlet passages with said return passage.