Title:
METHOD FOR EVALUATING REMAINING SERVICE LIFE OF COMPRESSOR IMPELLER
Document Type and Number:
WIPO Patent Application WO/2022/209810
Kind Code:
A1
Abstract:
This method for evaluating the remaining service life of a compressor impeller, which involves evaluating the remaining service life of a compressor impeller provided to a supercharger, comprises: a rotation speed acquisition step for acquiring the rotation speed of the supercharger; a stress calculation step for calculating the stress generated in the compressor impeller from the rotation speed of the supercharger as acquired in the rotation speed acquisition step; an outlet temperature acquisition step for acquiring the outlet temperature of the compressor impeller; a metal temperature calculation step for calculating the metal temperature of the compressor impeller from the outlet temperature of the compressor impeller as acquired in the outlet temperature acquisition step; and a remaining service life evaluation step for evaluating the remaining service life of the compressor impeller from the stress calculated in the stress calculation step and the metal temperature calculated in the metal temperature calculation step by using a relationship between the stress, metal temperature, and service life of the compressor impeller that is acquired in advance.
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| JP6396512 | Supercharger |
| JPH064033 | [Name of invention] Variable capacity turbocharger |
| WO/2011/084283 | TURBOCHARGER |
Inventors:
MATSUO TETSUYA (JP)
TATSUMI KATSUHIKO (JP)
KANAZAWA SHINGO (JP)
TOMITA ISAO (JP)
TATSUMI KATSUHIKO (JP)
KANAZAWA SHINGO (JP)
TOMITA ISAO (JP)
Application Number:
PCT/JP2022/011220
Publication Date:
October 06, 2022
Filing Date:
March 14, 2022
Export Citation:
Assignee:
MITSUBISHI HEAVY IND MARINE MACHINERY & EQUIPMENT CO LTD (JP)
International Classes:
F02B39/00; F02B39/16
Domestic Patent References:
| WO2015083612A1 | 2015-06-11 |
Foreign References:
| JP4589751B2 | 2010-12-01 | |||
| JP2003113795A | 2003-04-18 | |||
| JP2012137242A | 2012-07-19 | |||
| JP2002544443A | 2002-12-24 | |||
| JP2003035608A | 2003-02-07 | |||
| JPS6421226U | 1989-02-02 |
Attorney, Agent or Firm:
SSIP PATENT ATTORNEY CORPORATION (JP)
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