Flow-adjusted hydraulic rotary machine

Details Flow-adjusted hydraulic rotary machine Flow-adjusted hydraulic rotary machine

F - Mech Eng,Light,Heat,Weapons

03

B

138/32.04

F03B 3/02 (2006.01) F03B 3/18 (2006.01)

Patent

CA 1144846

ABSTRACT FLOW-ADJUSTED HYDRAULIC ROTARY MACHINE Adjustable guide vanes (70) are circumferen- tially disposed about a rotor (40) at each stage of a multi-stage turbine (10) and are slidably connected to pairs of rotatable vane rings (61, 62) at each stage, the rings and guide vanes defining nozzles (82) leading from a scroll case (30) to the rotor at each stage, the nozzles having contoured surfaces (80) for minimizing hydraulic losses. Yoke mechanisms (104, 106) and inter- connecting members (98, 100) link each pair of rotatable vane rings to a single actuator shaft (90) for synchronous adjustment of the positions of the guide vanes to vary the cross-sectional areas of the nozzles thereby per- mitting operation at optimum efficiency in response to changing flow rates.

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