Title:
シールセグメント及び回転機械
Document Type and Number:
Japanese Patent JP6876012
Kind Code:
B2
Abstract:
A seal segment comprises: a seal body having a plurality of thin-plate seal pieces that extend while being inclined forward in a rotational direction of a rotating shaft as the pieces draw farther inward in a radial direction of the rotating shaft, and that are layered in a circumferential direction of the rotating shaft; a pair of side plates extending in the circumferential direction so as to cover the seal body from both sides with respect to an axial direction of the rotating shaft; and a housing having a housing main body that accommodates the seal body while allowing the seal body to protrude inward in the radial direction, and an extending part that is provided to an end portion of the housing main body in the circumferential direction, and that extends inward in the radial direction along an end surface of the seal body in the circumferential direction.
Inventors:
Yoshida Azumi
Hidekazu Uehara
Oozaki Kouhei
Shin Nishimoto
Tatsuro Furusho
Hidekazu Uehara
Oozaki Kouhei
Shin Nishimoto
Tatsuro Furusho
Application Number:
JP2018026749A
Publication Date:
May 26, 2021
Filing Date:
February 19, 2018
Export Citation:
Assignee:
Mitsubishi Power, Ltd.
International Classes:
F16J15/447; F01D11/02; F01D25/00
Domestic Patent References:
| JP2017203469A | ||||
| JP4318232A | ||||
| JP2000154874A |
Attorney, Agent or Firm:
Yasushi Matsunuma
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata
Taichi Hasegawa
Eisuke Ito
Hiroyuki Hashimoto
Satoshi Koto
Koichiro Kamata
Taichi Hasegawa