TURBINE AND TURBOCHARGER - MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD

Title:

TURBINE AND TURBOCHARGER

Document Type and Number:

WIPO Patent Application WO/2019/123566

Kind Code:

A1

Abstract:

This turbine is provided with: a turbine impeller; a housing that is provided so as to cover the turbine impeller and that includes a scroll flow passage located on the outer circumferential side of the turbine impeller; a nozzle vane provided in an intermediate flow passage located, in the exhaust gas flow direction, downstream from the scroll flow passage and upstream from the turbine impeller; a plate provided on the intermediate flow passage side so as to have a gap, in the axial direction, relative to an inner circumferential wall portion of the housing and to face the intermediate flow passage, the inner circumferential wall portion defining the inner circumferential side boundary of the scroll flow passage; and at least one guide vane provided in the gap between, in the axial direction, the inner circumferential wall portion and the plate. The at least one guide vane includes a first end and a second end that is located radially outside the first end and circumferentially downstream, in the exhaust gas flow direction, from the first end.

Inventors:

GUPTA BIPIN (JP)
YOSHIDA TOYOTAKA (JP)

Application Number:

PCT/JP2017/045706

Publication Date:

June 27, 2019

Filing Date:

December 20, 2017

Export Citation:

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Assignee:

MITSUBISHI HEAVY IND ENGINE & TURBOCHARGER LTD (JP)

International Classes:

F02B37/24; F01D17/16

Foreign References:

JP5151883B2	2013-02-27
JP5710452B2	2015-04-30
JP5118767B1	2013-01-16
JP2009197633A	2009-09-03
JP2009008013A	2009-01-15
US20130302148A1	2013-11-14
US4242040A	1980-12-30
JP2013137017A	2013-07-11

Other References: