Combined pump generator and turbine

Details Combined pump generator and turbine Combined pump generator and turbine

F - Mech Eng,Light,Heat,Weapons

01

D

F01D 1/02 (2006.01) F01D 15/08 (2006.01) F01D 15/10 (2006.01) F04D 13/04 (2006.01) F04D 29/04 (2006.01)

Patent

CA 2394819

This invention combines the functions of a pump, a turbine and a generator interconnected on a common shaft. The casing components are separably connected to form an enclosure such that only static seals are required to prevent working fluid from leaking. A portion of the working fluid can be used in the hydrodynamic action of the radial bearings and the thrust bearings. A portion of the working fluid can be used to cool the generator rotor. A coolant impeller can be rigidly attached to the common shaft to enhance flow of the portion of working fluid used for hydrodynamic bearing support and rotor cooling. Multiple pump impellers can be rigidly attached in series on the common shaft. Multiple turbine impellers can be rigidly attached in series on the common shaft.

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