F - Mech Eng,Light,Heat,Weapons – 01 – D
Patent
F - Mech Eng,Light,Heat,Weapons
01
D
170/62
F01D 25/24 (2006.01) F01D 9/02 (2006.01) F01D 17/14 (2006.01)
Patent
CA 1149749
CASING FOR A TURBINE WHEEL Abstract of the Disclosure A housing surrounds a rotatable turbine wheel having an axis of rotation and effects a uniform fluid wheel boarding state. The housing includes at least one elongated substantially spiral passageway which encompasses the periphery of the wheel. The passageway has an external peripheral fluid inlet and an internal fluid outlet, the latter encompassing the wheel periphery. The passageway is defined by a pair of opposed axisymmetrical side walls having an inner diameter proximate the periphery of said turbine wheel. An outer wall extends between the two side walls circumferentially around at least 360° of the turbine axis. The radial location of the outer wall is defined by the path prescribed by the direction of fluid flow in a free vortex constrained by the side walls. Disposed within the passageway and extending substantially throughout same may be a multi-portion generally helical partition. The portions thereof are mounted for selective transverse movement relative to the longitudinal axis of the passageway.
337897
Cummins Engine Company Inc.
Smart & Biggar
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