Title:
COOLING DUCTS IN ELECTRIC MACHINE
Document Type and Number:
Japanese Patent JP2014057507
Kind Code:
A
Abstract:
To provide cooling ducts in an electric machine for enhanced stator cooling duct performance.
An assembly 100 includes a plurality of packages 102 of stacked laminations 104, each package including an outermost lamination having a plurality of radially extending spacer blocks 106. The plurality of radially extending spacer blocks and adjacent axially spaced laminations define a radial cooling duct 122, and the outermost lamination includes a plurality of recesses such that a flow through the cooling duct flows over the plurality of recesses. In one embodiment, at least one adjacent axially spaced lamination defining the radial cooling duct also includes a plurality of recesses.
Inventors:
TOLPADI ANIL KUMAR
EKKAD SRINATH VARADARAJAN
KAMINSKI CHRISTOPHER ANTHONY
SALAMAH SAMIR ARMANDO
EKKAD SRINATH VARADARAJAN
KAMINSKI CHRISTOPHER ANTHONY
SALAMAH SAMIR ARMANDO
Application Number:
JP2013186878A
Publication Date:
March 27, 2014
Filing Date:
September 10, 2013
Export Citation:
Assignee:
GEN ELECTRIC
International Classes:
H02K1/20; H02K1/16
Attorney, Agent or Firm:
Arakawa Satoshi
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka
Hirokazu Ogura
Toshihisa Kurokawa
Takuto Tanaka