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Title: Electrical machine cooling structure

Abstract

A stator assembly that includes a graphite sheet-like element that has fold(s) so as to define at least two planar sections. The face of one of the planar section abuts a surface of a heat generating location(s) of the stator assembly and a face of another planar section abuts one the tooth or the slot bottom of the stator assembly. Also, a subassembly that includes an electrical machine stator assembly that includes a sheet-like element of a material having high thermal conductivity, wherein a portion of the element abuts the end winding(s) such that the sheet-like element conducts heat to the magnetic core, the stator housing, and/or a winding heat conduction element.

Inventors:
; ; ;
Issue Date:
Research Org.:
General Electric Co., Schenectady, NY (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1459428
Patent Number(s):
10014751
Application Number:
14/716,415
Assignee:
GENERAL ELECTRIC COMPANY (Schenectady, NY)
Patent Classifications (CPCs):
H - ELECTRICITY H02 - GENERATION H02K - DYNAMO-ELECTRIC MACHINES
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DOE Contract Number:  
EE0005573
Resource Type:
Patent
Resource Relation:
Patent File Date: 2015 May 19
Country of Publication:
United States
Language:
English
Subject:
42 ENGINEERING

Citation Formats

Raminosoa, Tsarafidy, Bodla, Karthik Kumar, El-Refaie, Ayman Mohamed Fawzi, and Torrey, David Allan. Electrical machine cooling structure. United States: N. p., 2018. Web.
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Raminosoa, Tsarafidy, Bodla, Karthik Kumar, El-Refaie, Ayman Mohamed Fawzi, & Torrey, David Allan. Electrical machine cooling structure. United States.
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Raminosoa, Tsarafidy, Bodla, Karthik Kumar, El-Refaie, Ayman Mohamed Fawzi, and Torrey, David Allan. Tue . "Electrical machine cooling structure". United States. https://www.osti.gov/servlets/purl/1459428.
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@article{osti_1459428,
title = {Electrical machine cooling structure},
author = {Raminosoa, Tsarafidy and Bodla, Karthik Kumar and El-Refaie, Ayman Mohamed Fawzi and Torrey, David Allan},
abstractNote = {A stator assembly that includes a graphite sheet-like element that has fold(s) so as to define at least two planar sections. The face of one of the planar section abuts a surface of a heat generating location(s) of the stator assembly and a face of another planar section abuts one the tooth or the slot bottom of the stator assembly. Also, a subassembly that includes an electrical machine stator assembly that includes a sheet-like element of a material having high thermal conductivity, wherein a portion of the element abuts the end winding(s) such that the sheet-like element conducts heat to the magnetic core, the stator housing, and/or a winding heat conduction element.},
doi = {},
journal = {},
number = ,
volume = ,
place = {United States},
year = {2018},
month = {7}
}
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Works referenced in this record:

Rotary Electromotor
patent-application, September 2011

Battery Pack Assembly
patent-application, September 2014

Thermal Performance of Natural Graphite Heat Spreaders
conference, January 2005

  • Smalc, Martin; Shives, Gary; Chen, Gary
  • ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems collocated with the ASME 2005 Heat Transfer Summer Conference, p. 79-89
  • https://doi.org/10.1115/IPACK2005-73073
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