Rotary kinetic fluid motors or pumps – Selectively adjustable vane or working fluid control means – Upstream of runner
Patent
1997-09-05
1999-07-27
Lopez, F. Daniel
Rotary kinetic fluid motors or pumps
Selectively adjustable vane or working fluid control means
Upstream of runner
415155, 415150, 415157, 415158, 415159, 415165, 415167, 415186, 415191, 4152092, 415202, F03B 104, F01B 2502, F04D 1500, F04D 2700
Patent
active
059279435
ABSTRACT:
A turbine with the improved inlet casing in accordance with the present invention includes a shaft which extends along and rotates about a central axis. The turbine also includes at least one rotor wheel which is mounted on and extends radially outward from the shaft to a radially outermost periphery. A plurality of buckets are arrayed circumferentially around the rotor wheel at the radially outermost periphery. A housing surrounds the rotor wheel and the stationary flow path component. A plurality of nozzle vanes are circumferentially arrayed in the stationary flow path component which is axially spaced from the buckets of the rotor wheel. The nozzle vanes are configured to direct fluid against an upstream side of the buckets and effect rotation of the rotor wheel. Inlet fingers are formed in the housing, with each of the inlet fingers defining a substantially straight passage between the turbine inlet or a control system and the nozzle vanes of the first stationary flow path component. The exhaust end of each of the inlet fingers is located further downstream axially than the inlet end.
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Barton Rhonda
Dresser-Rand Company
Lopez F. Daniel
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