Patent ID: 8833335
Filing Date: 2014-09-16
Classification: F01M,F02D,F16H,Y10T

Abstract:
1. A control device of a vehicle oil supply device having a mechanical oil pump driven by an engine to supply oil to an oil supply destination and an electric oil pump supplying oil via a check valve to the oil supply destination, the check valve making up a portion of an oil passage connecting a discharge port of the mechanical oil pump and a discharge port of the electric oil pump, the check valve allowing a flow of the oil from the electric oil pump side to the mechanical oil pump side while blocking a flow in a direction opposite to the flow, the oil discharged from the electric oil pump being a blocked in an oil passage connecting the electric oil pump and the check valve regardless of an output oil pressure of the electric oil pump, when the check valve is closed, the check valve being closed under an oil pressure condition in which the electric oil pump outputs a maximum output oil pressure of the electric oil pump while the mechanical oil pump is driven by the engine in an idling state, the control device being configured to drive the electric oil pump during stop of the mechanical oil pump, and to stop the electric oil pump based on a load increase of the electric oil pump after start of driving of the stopped mechanical oil pump.