Patent ID: 11905838
Assignee: MITSUBISHI ELECTRIC CORPORATION
Field: Engines, pumps, turbines (Mechanical engineering)
Classification: CPC F  Y | IPC F

Claim 0:
1. A seal member disposed between a rotor and a stator to seal a portion between the rotor and the stator, comprising:
a rotary-side member fixed to a facing surface of the rotor which faces the stator;
a fixed-side member fixed to the stator to face the rotary-side member;
a first fin provided in any one of the rotary-side member and the fixed-side member and protruding to a facing surface side; and
a second fin disposed on a low-pressure side in a rotation axis direction from the first fin, and protruding to the facing surface side,
wherein a thickness of the second fin at a root in the rotation axis direction is thicker than a thickness of the first fin at a root in the rotation axis direction,
wherein the first fin is an attachment type fin separate from an installed member, and the second fin is a fixed type fin integrated with the installed member.