Patent ID: 11859702
Assignee: EXEDY CORPORATION
Field: Mechanical elements (Mechanical engineering)
Classification: CPC F | IPC F

Claim 10:
11. A lock-up device of a torque converter configured to transmit a torque inputted thereto from a front cover to a transmission-side member through a turbine hub, the lock-up device comprising:
a clutch part disposed between the front cover and the turbine;
the flow channel structure according to claim 1, the flow channel structure fixed to the front cover;
a piston configured to place the clutch part to in a torque transmission state, the piston disposed to be axially movable on an outer peripheral surface of the flow channel structure; and
a chamber plate fixed to the flow channel structure, the chamber plate disposed between the piston and the turbine,
the first fluid chamber being defined by the flow channel structure, the front cover, and the turbine hub, the first fluid chamber communicating with the first through hole, and
the second fluid chamber being defined by the piston, the chamber plate, and the flow channel structure, the second fluid chamber communicating with the second through hole.