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HOLLOW ROTOR MOTOR AND SYSTEMS COMPRISING THE SAME

United States Patent Application

20130195695
A1
View the Complete Application at the US Patent & Trademark Office
In one or more embodiments, the present invention provides electric motors and related systems comprising (a) a motor housing; and (b) a hollow rotor configured to rotate within and be driven by a stator contained within the motor housing; wherein the motor housing is characterized by a largest cross-sectional area of the motor housing, and wherein the hollow rotor defines a flow channel characterized by a smallest cross-sectional area of the flow channel, wherein the smallest cross-sectional area of the flow channel is at least 25% of the largest cross-sectional area of the motor housing, and wherein the hollow rotor has a first end portion defining a fluid inlet, and a second end portion defining a fluid outlet; the fluid inlet, the flow channel and the fluid outlet being configured to allow passage of a fluid from the fluid inlet to the fluid outlet via the flow channel.
Van Dam, Jeremy Daniel (West Coxsackie, NY), Shah, Manoj Ramprasad (Latham, NY), Turnquist, Norman Arnold (Carlisle, NY)
GENERAL ELECTRIC COMPANY (Schenectady NY)
13/ 408,202
February 29, 2012
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH & DEVELOPMENT [0002] One or more aspects of the invention described herein were developed under Cooperative Agreement DE-EE0002752 for the U.S. Department of Energy entitled "High-Temperature-High-Volume Lifting for Enhanced Geothermal Systems." As such, the government has certain rights in this invention.