Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
AXIAL-FLOW FLUID MACHINE AND TIP CLEARANCE MEASURING METHOD THEREFOR
Document Type and Number:
WIPO Patent Application WO/2019/082737
Kind Code:
A1
Abstract:
This axial-flow fluid machine is provided with: a holding ring (30) holding a stationary blade train; a casing (20) supporting the holding ring (30); and an eccentric pin (80). An engagement part (23) of the casing (20) has a protruding section (24) protruding to the holding ring (30) side. An engagement part (33) of the holding ring (30) has a pair of wall plate sections (34) forming a groove into which the protruding section (24) is put. In the casing (20), a penetration hole (28) is formed extending in a radial direction (Dr) so as to be centered about a penetration center position (Phc) that is biased to an axial upstream side (Dau) in a region of the casing (20) where the engagement part (23) is formed. In the engagement part (23) of the casing (20), a portion on an axial downstream side (Dad) relative to the penetration hole (28) exists in the entire circumferential area. The eccentric pin (80) is inserted into the penetration hole (28).

Inventors:
TSUBOKURA IKKO (JP)
MORIMOTO HITOSHI (JP)
TAKAHASHI KOICHI (JP)
IKUSHIMA KAZUHIRO (JP)
KOMUKAI TAKUYA (JP)
IWASAKI MOTOHIRO (JP)
Application Number:
PCT/JP2018/038485
Publication Date:
May 02, 2019
Filing Date:
October 16, 2018
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
MITSUBISHI HITACHI POWER SYS (JP)
International Classes:
F01D25/00; F01D11/22; F01D25/28; F02C7/00; F04D29/64; G01M15/14
Foreign References:
JP2012013046A2012-01-19
JP2012082734A2012-04-26
JPS5218512A1977-02-12
JPH03172502A1991-07-25
JPS5918207A1984-01-30
JP2001248406A2001-09-14
Attorney, Agent or Firm:
MATSUNUMA Yasushi et al. (JP)
Download PDF: