Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Patent
1983-09-06
1985-04-23
Garrett, Robert E.
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
415205, F01D 1714, F01D 1718
Patent
active
045127140
ABSTRACT:
An improved variable flow turbine having a turbine housing constructed of a curved section and a volute section. The curved section contains an inlet at one end and is connected to the volute secton at the opposite end. Located within the volute section is a turbine rotor having an outlet which is coaxially aligned with the central axis of the volute section. Positioned at the inlet of the curved section is a control valve for regulating the flow of exhaust gases into the housing. Extending inwardly from the control valve is a divider wall which divides the housing into inner and outer passages. The divider wall is constructed such that the cross-sectional flow area of each the passages within the volute section decreases as they approach the turbine rotor. This unique turbine arrangement enables a turbocharger to operate more efficiently over an engine's operating range.
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Deere & Company
Garrett Robert E.
Pitko Joseph M.
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