Power transmission device and traveling vehicle

摘要

PROBLEM TO BE SOLVED: To provide a cooling structure for a belt type power transmission of improved cooling capacity not obstructing flow of cooling air supplied to the belt type power transmission.

SOLUTION: A belt type transmission is stored in a belt chamber. A duct for supplying cooling air into the belt chamber is connected to the belt chamber. Cooling air supplied into the belt chamber via suction port from the duct is circulated in the belt chamber from a center to surrounding thereof. An air filter is supported between the belt chamber and a duct case by a first and a second support member. A shape of at least one support member is formed in an angle along a direction introducing the cooling air to the suction port.

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