VARIABLE GEOMETRY TURBINE

Title:

VARIABLE GEOMETRY TURBINE

Document Type and Number:

WIPO Patent Application WO/2011/042739

Kind Code:

A4

Abstract:

A variable geometry turbine comprising a turbine wheel mounted for rotation about a turbine axis within a housing. The housing defines an annular inlet surrounding the turbine wheel and defined between first and second inlet sidewalls. The turbine further comprises a cylindrical sleeve that is axially movable across the annular inlet to vary the size of a gas flow path through the inlet. The annular inlet is divided into at least two axially offset inlet passages. The inner diameter of the sleeve is greater than the inner diameter of the inlet passages.

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Inventors:

PARKER JOHN F (GB)
HOLROYD ROBERT L (GB)
ROBERTS TOM J (GB)
MCEWEN JAMES ALEXANDER (GB)
DENHOLM TIM (GB)
MOORE SIMON (GB)
VOONG MICHAEL (GB)
NORMINGTON CHRISTOPHER (GB)
VIJAYAKUMAR ARUN (GB)
GARRETT STEPHEN (GB)

Application Number:

PCT/GB2010/051672

Publication Date:

January 12, 2012

Filing Date:

October 06, 2010

Export Citation:

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Assignee:

CUMMINS LTD (GB)
PARKER JOHN F (GB)
HOLROYD ROBERT L (GB)
ROBERTS TOM J (GB)
MCEWEN JAMES ALEXANDER (GB)
DENHOLM TIM (GB)
MOORE SIMON (GB)
VOONG MICHAEL (GB)
NORMINGTON CHRISTOPHER (GB)
VIJAYAKUMAR ARUN (GB)
GARRETT STEPHEN (GB)

International Classes:

F01D17/18; F01D17/14

Attorney, Agent or Firm:

BRAY, Richard (1 New York Street, Manchester M1 4HD, GB)

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