Rotary kinetic fluid motors or pumps – Working fluid passage or distributing means associated with... – Casing having tangential inlet or outlet
Patent
1981-01-23
1983-04-26
Coe, Philip R.
Rotary kinetic fluid motors or pumps
Working fluid passage or distributing means associated with...
Casing having tangential inlet or outlet
415205, 415157, F01D 108, F01D 2524
Patent
active
043811710
ABSTRACT:
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.degree. of the turbine axis. The radial location of the outer rail 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.
REFERENCES:
patent: 1328835 (1920-01-01), Kasley
patent: 2280585 (1942-04-01), Kapitza
patent: 2944786 (1960-07-01), Angell et al.
patent: 3557549 (1971-01-01), Webster
patent: 4027994 (1977-06-01), MacInnes
patent: 4143994 (1979-03-01), Yamaguchi
Shepherd, D. G., Principles of Turbomachinery, New York, MacMillan Co., 1956, p. 284.
Coe Philip R.
Cummins Engine Company, Inc.
Pitko Joseph M.
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