Hermetic motor cooling for high temperature organic Rankine cycle system

An Organic Rankine Cycle system includes a turbine driven by a working fluid and a generator driven by the turbine. The turbine includes a rotor volume that is at sub-atmospheric pressure, and the working fluid is sprayed into the rotor volume. The turbine can be arranged in a primary circuit that a...

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Bibliographic Details
Main Authors Cogswell Frederick J, Biederman Bruce P
Format Patent
LanguageEnglish
Published 27.06.2017
Subjects
BLASTING
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
ENGINE PLANTS IN GENERAL
ENGINE PLANTS NOT OTHERWISE PROVIDED FOR
ENGINES USING SPECIAL WORKING FLUIDS OR CYCLES
GENERATION
HEATING
LIGHTING
MACHINES OR ENGINES IN GENERAL
MECHANICAL ENGINEERING
STEAM ACCUMULATORS
STEAM ENGINE PLANTS
STEAM ENGINES
WEAPONS
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Summary:An Organic Rankine Cycle system includes a turbine driven by a working fluid and a generator driven by the turbine. The turbine includes a rotor volume that is at sub-atmospheric pressure, and the working fluid is sprayed into the rotor volume. The turbine can be arranged in a primary circuit that also includes, in flow series from the turbine, a condenser, a first pump, and an evaporator. The rotor volume can be arranged in a secondary cooling circuit that includes, in flow series from the rotor volume, a heat exchanger, a second pump, and a restriction valve located downstream of the second pump and upstream of the rotor volume.
Bibliography:Application Number: US201113335053