Title:
COMPRESSOR AND TURBOCHARGER EQUIPPED WITH COMPRESSOR
Document Type and Number:
WIPO Patent Application WO/2021/124466
Kind Code:
A1
Abstract:
A compressor comprising: an impeller; a housing that rotatably accommodates the impeller and has an intake flow path for introducing gas into the impeller from the outside, a scroll flow path for guiding the gas that has passed through the impeller to the outside, and a bypass flow path that bypasses the impeller to connect the intake flow path and the scroll flow path; and a bypass valve having a valve body capable of opening and closing the bypass flow path, wherein the valve body is configured to partition the bypass flow path in a fully closed state into an inlet-side flow path having a communication port communicating with the scroll flow path, and an outlet-side flow path communicating with the intake flow path; an inlet-side flow path wall surface demarcating the inlet-side flow path includes at least an upstream-side flow path wall surface portion connected to the upstream end of the communication port in the cross-sectional view of the housing cut along the axis of the impeller; and the upstream-side flow path wall surface portion is configured so that the angle thereof with an upstream-side scroll wall surface connected to the upstream end of a scroll flow path wall surface demarcating the scroll flow path is less than 90 degrees.
Inventors:
HAYASHI YOSHIHIRO (JP)
Application Number:
PCT/JP2019/049497
Publication Date:
June 24, 2021
Filing Date:
December 17, 2019
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F02B37/16; F02B39/00; F04D29/66
Foreign References:
| DE102012015325A1 | 2014-02-06 | |||
| JPS5868000U | 1983-05-09 | |||
| JPS55142994A | 1980-11-07 | |||
| DE102008014681A1 | 2009-10-15 | |||
| JPS6157137U | 1986-04-17 |
Attorney, Agent or Firm:
SEISHIN IP PATENT FIRM, P.C. (JP)
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