OIL TEMPERATURE ELEVATION DEVICE

PROBLEM TO BE SOLVED: To provide an oil temperature elevation device capable of finishing, in a short time, worming-up when starting up an engine. SOLUTION: This oil temperature elevation device includes two oil passages connected respectively to a delivery route 3 of an oil pump 1 provided in a transmission, and constituted to make one side serve as a coming-in side oil passage 4 and to make the other side serve as an outgoing side oil passage 5, and a pressurization and temperature elevation tank 6 connected to the two oil passages to supply-feed and fill oil through the coming-in side oil passage, and for pressurizing gas existing preliminarily in an inside, to elevate a temperature of the oil, and opening and closing control valves 7, 8 are provided respectively in a branch part of the coming-in side oil passage 4 and the delivery route 3, and a connection part of the pressurization-and-temperature elevation tank 6 and the outgoing side oil passage 5. COPYRIGHT: (C)2010,JPO&INPIT