Title:
EXHAUST TURBINE AND SUPERCHARGER
Document Type and Number:
WIPO Patent Application WO/2023/162199
Kind Code:
A1
Abstract:
An aspect of an exhaust turbine according to the present disclosure is provided with: a rotating shaft; a turbine wheel attached to one end side of the rotating shaft; a turbine housing having a scroll portion formed on an outer peripheral side of the turbine wheel; a bearing housing that accommodates a bearing for supporting the rotating shaft; a fastening member that fastens a first flange portion of the turbine housing and a second flange portion of the bearing housing together; and a heat-shielding plate having an outer peripheral edge portion held between the first flange portion and the second flange portion. In a first cross section that passes through the center of the rotating shaft and a tongue portion of the turbine housing along an axial direction of the rotating shaft, when the innermost position, in a radial direction of the rotating shaft, of a contact surface between the first flange portion and the outer peripheral edge portion of the heat-shielding plate is defined as a first seal inner end, the innermost position, in the radial direction, of a contact surface between the second flange portion and the outer peripheral edge portion of the heat-shielding plate is defined as a second seal inner end, and one of the first seal inner end and the second seal inner end that is positioned outside in the radial direction is defined as a seal inner end, the seal inner end is disposed outside the tongue portion in the radial direction.
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Inventors:
SAKUMA SHIGEYOSHI (JP)
SAKAMOTO KEIGO (JP)
KATO EIGO (JP)
OKA NOBUHITO (JP)
OZAKI MAKOTO (JP)
SAKAMOTO KEIGO (JP)
KATO EIGO (JP)
OKA NOBUHITO (JP)
OZAKI MAKOTO (JP)
Application Number:
PCT/JP2022/008207
Publication Date:
August 31, 2023
Filing Date:
February 28, 2022
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F02B39/00
Domestic Patent References:
| WO2019087279A1 | 2019-05-09 | |||
| WO2015058839A1 | 2015-04-30 |
Foreign References:
| JP2007113501A | 2007-05-10 | |||
| JP2020118061A | 2020-08-06 | |||
| JP2015521713A | 2015-07-30 |
Attorney, Agent or Firm:
SSIP PATENT ATTORNEY CORPORATION (JP)
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