Engine oil supply apparatus

摘要

An engine oil supply apparatus comprising:
a first oil pump (11) driven in synchronism with a crankshaft and drawing oil through a first oil passage (21) from an oil holder (13) holding oil,
a second oil pump (12) provided in parallel with the first oil pump (11) and driven independently of the first oil pump (11),
a first supply oil passage (23) for supplying oil to a first circulation scction (41) from the first oil pump (11), and
a second supply oil passage (24) for supplying oil to a second circulation section (42) from the second oil pump (12),
characterized in that
oil is supplied to the second oil pump (12) through a second oil passage (22), and the second oil passage (22) is disposed independently of a first oil passage (21) for supplying oil to the first oil pump (11), and
that a valve (38) for controlling circulation of oil to the second circulation section (42) is disposed in a connection oil passage (26) connecting the first oil purnp (11) and the second oil pump (12).