Title:
IMPELLER FASTENING INSPECTION METHOD, IMPELLER FASTENING METHOD, IMPELLER FASTENING INSPECTION DEVICE, AND IMPELLER FASTENING DEVICE
Document Type and Number:
WIPO Patent Application WO/2014/167905
Kind Code:
A1
Abstract:
An impeller fastening inspection method that includes: a step (S212) wherein vibration is directly or indirectly applied to a turbine shaft which has been inserted into a bearing housing and on both ends of which impellers have been provided, and at least one of the impellers is fastened by means of a fastening member, with the fastening force of the fastening member also fastening a rotary member that rotates integrally with that impeller; a step (S214) wherein the vibration of the turbine shaft is measured; and a step (S216) wherein a determination is made regarding whether the peak vibration frequency of the measured vibration of the turbine shaft is within a predetermined range.
Inventors:
UNEURA YUTAKA (JP)
KANEDA SHINICHI (JP)
DAITO YUICHI (JP)
KANEDA SHINICHI (JP)
DAITO YUICHI (JP)
Application Number:
PCT/JP2014/054671
Publication Date:
October 16, 2014
Filing Date:
February 26, 2014
Export Citation:
Assignee:
IHI CORP (JP)
International Classes:
F01D25/00; F02B39/00; F02B39/16; F04D29/28; F04D29/62; G01L5/00
Foreign References:
| JP2009228446A | 2009-10-08 | |||
| JP2002367492A | 2002-12-20 | |||
| JP2011033348A | 2011-02-17 | |||
| JP2002214034A | 2002-07-31 | |||
| JP2012012995A | 2012-01-19 |
Attorney, Agent or Firm:
MIYOSHI, Hidekazu et al. (JP)
Hidekazu Miyoshi (JP)
Hidekazu Miyoshi (JP)
Download PDF: