| 摘要 |
A cooling device (5) is configured in such a manner that a motor cooling water passage (8) includes: a water pump (10) for a motor, the water pump (10) circulating cooling water through the motor cooling water passage (8); a motor cooling water inlet pipe (8A) for introducing cooling water from an engine cooling water passage (7) to a motor (3); and a motor cooling water outlet pipe (8B) for returning cooling water having cooled the motor (3) to the engine cooling water passage (7). The upstream end (8a) of the motor cooling water inlet pipe (8A) is connected to a lower tank (16), and the downstream end (8d) of the motor cooling water outlet pipe (8B) is connected to an engine cooling water inlet pipe (7A). When a thermostat (11) is open, cooling water flowing through the motor cooling water inlet pipe (8A) and the motor cooling water outlet pipe (8B) is circulated through the lower tank (16). |
