ELECTRIC ROTARY MACHINE

ELECTRIC ROTARY MACHINE

The present invention provides a rotary electric machine that can improve productivity of a stator, and that can also suppress occurrence of corrosion of a stator core and a housing that results from scratch marks due to removal of hardened varnish by enabling a varnish to be prevented from leaking...

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Hauptverfasser: OKAMOTO, Mitsuyasu, HASEGAWA, Kazuya
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
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creator OKAMOTO, Mitsuyasu
HASEGAWA, Kazuya
description The present invention provides a rotary electric machine that can improve productivity of a stator, and that can also suppress occurrence of corrosion of a stator core and a housing that results from scratch marks due to removal of hardened varnish by enabling a varnish to be prevented from leaking out onto housing interfitting surfaces at end surfaces of a core back portion, to eliminate a need for a trimming step. A rotary electric machine according to the present invention includes: a stator including: a stator core; and a stator winding that is mounted to the stator core, and into which a varnish is impregnated, the stator being held by a housing in a state in which housing interfitting surfaces on two axial end surfaces of a core back portion are clamped by the housing from two axial ends, wherein a varnish leakage stopping portion is formed radially inside the housing interfitting surfaces on two axial end surfaces of the stator core so as to interrupt flow pathways of the varnish from a radially inner side onto the housing interfitting surfaces.
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A rotary electric machine according to the present invention includes: a stator including: a stator core; and a stator winding that is mounted to the stator core, and into which a varnish is impregnated, the stator being held by a housing in a state in which housing interfitting surfaces on two axial end surfaces of a core back portion are clamped by the housing from two axial ends, wherein a varnish leakage stopping portion is formed radially inside the housing interfitting surfaces on two axial end surfaces of the stator core so as to interrupt flow pathways of the varnish from a radially inner side onto the housing interfitting surfaces.</description><language>eng ; fre ; ger</language><subject>CONVERSION OR DISTRIBUTION OF ELECTRIC POWER ; DYNAMO-ELECTRIC MACHINES ; ELECTRICITY ; GENERATION</subject><creationdate>2019</creationdate><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20190501&amp;DB=EPODOC&amp;CC=EP&amp;NR=3468014A4$$EHTML$$P50$$Gepo$$Hfree_for_read</linktohtml><link.rule.ids>230,308,780,885,25563,76418</link.rule.ids><linktorsrc>$$Uhttps://worldwide.espacenet.com/publicationDetails/biblio?FT=D&amp;date=20190501&amp;DB=EPODOC&amp;CC=EP&amp;NR=3468014A4$$EView_record_in_European_Patent_Office$$FView_record_in_$$GEuropean_Patent_Office$$Hfree_for_read</linktorsrc></links><search><creatorcontrib>OKAMOTO, Mitsuyasu</creatorcontrib><creatorcontrib>HASEGAWA, Kazuya</creatorcontrib><title>ELECTRIC ROTARY MACHINE</title><description>The present invention provides a rotary electric machine that can improve productivity of a stator, and that can also suppress occurrence of corrosion of a stator core and a housing that results from scratch marks due to removal of hardened varnish by enabling a varnish to be prevented from leaking out onto housing interfitting surfaces at end surfaces of a core back portion, to eliminate a need for a trimming step. 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A rotary electric machine according to the present invention includes: a stator including: a stator core; and a stator winding that is mounted to the stator core, and into which a varnish is impregnated, the stator being held by a housing in a state in which housing interfitting surfaces on two axial end surfaces of a core back portion are clamped by the housing from two axial ends, wherein a varnish leakage stopping portion is formed radially inside the housing interfitting surfaces on two axial end surfaces of the stator core so as to interrupt flow pathways of the varnish from a radially inner side onto the housing interfitting surfaces.</abstract><oa>free_for_read</oa></addata></record>
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subjects CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
DYNAMO-ELECTRIC MACHINES
ELECTRICITY
GENERATION
title ELECTRIC ROTARY MACHINE
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