Title:
TURBINE HOUSING AND TURBO CHARGER PROVIDED WITH SAME
Document Type and Number:
WIPO Patent Application WO/2018/179328
Kind Code:
A1
Abstract:
Provided is a turbine housing (10) having: a housing part (11) that forms a spiral space (S5) extending around a rotating shaft (40); a heat-shielding core (12) which is disposed in the spiral space (S5) and forms a spiral exhaust gas flow passage (S6) in which exhaust gas introduced from an exhaust gas introduction port flows; and a variable nozzle mechanism (13) that guides the exhaust gas to a turbine wheel, wherein heat-shielding spaces (S1, S2, S3) are formed between the inner circumferential surface of the housing part (11) and the outer circumferential surface of the heat-shielding core (12), and wherein the heat-shielding core (12) has a first flange part (12d) and a second flange part (12e) and is fixed between the variable nozzle mechanism (13) and the housing part (11) while a first sealing (14) is interposed between the first flange part (12d) and the variable nozzle mechanism (13).
Inventors:
ARAI TAKASHI (JP)
Application Number:
PCT/JP2017/013586
Publication Date:
October 04, 2018
Filing Date:
March 31, 2017
Export Citation:
Assignee:
MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)
International Classes:
F02B39/00
Domestic Patent References:
| WO2016139799A1 | 2016-09-09 |
Foreign References:
| JP2014145300A | 2014-08-14 | |||
| JP2004183651A | 2004-07-02 | |||
| JP2003293779A | 2003-10-15 | |||
| JPH01159103U | 1989-11-02 | |||
| JP2013047525A | 2013-03-07 | |||
| JP2006220053A | 2006-08-24 | |||
| JP2016518553A | 2016-06-23 | |||
| JPS5880463A | 1983-05-14 |
Other References:
See also references of EP 3543500A4
Attorney, Agent or Firm:
FUJITA, Takaharu (JP)
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