Patent ID: 11890753
Assignee: KAWASAKI JUKOGYO KABUSHIKI KAISHA
Field: Handling (Mechanical engineering)
Classification: CPC B  F  H | IPC B

Claim 0:
1. A cooler comprising a cooling medium flow path structure for use at a joint of a robot, wherein the robot includes an N-th link, an N+1-th link, and a joint coupling the N-th and N+1-th links together,
the N-th link includes a plate-shaped first wall,
the N+1-th link includes a second wall coupled to the first wall,
a motor is located on and in direct contact with the first wall,
the cooling medium flow path structure is annularly or tubularly shaped around an open center,
the cooling medium flow path structure is in contact with the first wall and surrounds a portion of a housing of the motor,
the portion of the housing of the motor penetrates through the cooling medium flow path structure and into the open center,
an inner peripheral surface of the cooling medium flow path structure is located outside an outer peripheral surface of the motor,
the cooling medium flow path structure includes an internal cooling medium flow path through which a cooling medium flows, and
the cooler further comprises:
a cooling medium circulation path connected to the cooling medium flow path structure and configured to connect with at least one of a radiator, a feeder, and a fan.