Variable geometry turbine

Details Variable geometry turbine Variable geometry turbine

2008-04-17

2010-10-12

Trieu, Thai Ba (Department: 3748)

Power plants

Fluid motor means driven by waste heat or by exhaust energy...

With supercharging means for engine

C415S159000, C415S158000

Reexamination Certificate

active

07810327

ABSTRACT:
A variable geometry turbine comprises a turbine wheel supported in a housing for rotation about a turbine axis with an annular inlet passageway defined between a radial face of a movable nozzle ring and a facing wall of the housing. The nozzle ring is movable along the turbine axis to vary the width of the inlet passageway. A substantially annular rib is provided either on the face of the nozzle ring (such that the minimum width of the inlet passageway is defined between the rib and the facing wall of the housing) or on the facing wall of the housing (such that the minimum width of the inlet passageway is defined between the rib and the nozzle ring).

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GB0521354.1 (Search Report) Jan. 20, 2006, Holset Engineering Co.
PCT/GB2006/003886, Search Report and Written Opinion Jan. 30, 2007, Holset Engineering Co.

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