| 摘要 |
In a thermostat device, a high-temperature cooling water inlet that introduces high-temperature cooling water from a bypass path that has been heated by an engine and has bypassed a radiator is provided at a side position of the valve housing that is substantially orthogonal to a direction in which the temperature sensitive movable portion moves, and a heater path inlet that introduces cooling water from a heater path that has been supplied to a heater core is provided at a lower end portion of the valve housing. The high-temperature cooling water inlet is provided with a plurality of guide portions protruding from the right and left sides of the inlet along the lower face of a cut-off portion toward the temperature sensitive movable portion, and the high-temperature cooling water introduced from the high-temperature cooling water inlet by the guide portions is guided toward the temperature sensitive movable portion.
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