Superconducting motor

a superconducting motor and superconducting technology, applied in the direction of indirect heat exchangers, air heaters, light and heating apparatus, etc., can solve the problems of difficult uniform cooling, large circumferential and axial temperature gradients, and take a long time to cool all the coils to the target ultralow temperature, etc., to achieve the effect of cooling the phase coils down
US20110277953A1Inactive Publication Date: 2011-11-17TOYOTA JIDOSHA KK +1
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Patent Information

Authority / Receiving Office
US · United States
Current Assignee / Owner
TOYOTA JIDOSHA KK
Publication Date
2011-11-17
Estimated Expiration
Not applicable · inactive patent

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Abstract

A superconducting motor includes: a rotor that is rotatably supported; a stator that is provided around the rotor, and that is provided with a plurality of coils that are respectively formed of superconducting wires and that are wound at an inner periphery of a stator core; and a refrigerator having a cooling portion for cooling the plurality of coils. The cooling portion of the refrigerator is in contact with the plurality of coils.
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Description

CROSS-REFERENCE TO RELATED APPLICATIONS

[0001] This application claims priority to Japanese Patent Application No. 2010-112094 filed on May 14, 2010, which is incorporated herein by reference in its entirety including the specification, drawings and abstract.BACKGROUND OF THE INVENTION

[0002] 1. Field of the Invention

[0003] The invention relates to a superconducting motor, and especially to a superconducting motor that is provided with a refrigerator for cooling coils that are formed of superconducting wires.

[0004] 2. Description of the Related Art

[0005] Recently, much attention has been paid to electric motor vehicles (will hereinafter be referred to as “EVs”) that run on the drive force produced by an in-vehicle motor powered by an in-vehicle secondary battery, thus emitting no carbon dioxides, that is, achieving “zero emissions”. Further, hybrid electric motor vehicles (will hereinafter be referred to as “HEVs”) that run using, as drive force sources for propelling the vehicle, both an ...

Claims

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