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

Claim 2:
3. The flow channel structure according to claim 1, wherein
the flow channel structure is configured to form a second flow channel which makes a third fluid chamber and a fourth fluid chamber communicate with each other therethrough,
the first plate includes a third through hole, the third through hole penetrating the first plate in the thickness direction so as to open to the third fluid chamber,
the second plate includes a fourth through hole, the fourth through hole penetrating the second plate in the thickness direction so as to open to the fourth fluid chamber,
the third plate includes a second connecting through hole, the second connecting through hole penetrating the third plate in the thickness direction,
the third and fourth through holes are disposed in different positions from each other as seen in the thickness direction, and
the second connecting through hole communicates with the third and fourth through holes, the second connecting through hole larger in flow channel area than each of the third and fourth through holes.