ROTOR, ROTARY MOTOR, AND COMPRESSOR - MITSUBISHI ELECTRIC CORP

Title:

ROTOR, ROTARY MOTOR, AND COMPRESSOR

Document Type and Number:

WIPO Patent Application WO/2018/061768

Kind Code:

A1

Abstract:

The present invention comprises a laminate core (20) in which a plurality of cores (2) are laminated, permanent magnets (21) disposed in magnet holes (26) formed in an axial direction (Y), and end plates (100, 101) at both ends in the axial direction (Y), and is such that the magnet holes (26) are formed in a plurality in a circumferential direction (Z) and have empty spaces (261) at both ends in the circumferential direction (Z) of the magnet holes (26); flow holes (22) are formed between the magnet holes (26) adjacent in the circumferential direction (Z), inward (X2) in a radial direction (X) from the magnet holes (26) and passing through in the axial direction (Y); each of the cores (2) is provided with a first groove section (24) by which the empty spaces (261) and the flow holes (22) communicate, and a second groove section (25) by which the empty spaces (261) and the outer circumference of the core (2) communicate and which acts as a discharge port; and the end plates (100, 101) are provided with first holes (12) which serve as air intake ports through which the flow holes 22 are exposed, and tab sections (11) which aid in air intake downstream of the first holes (12) in a rotation direction (Z1).

Inventors:

SHONO KAZUHIRO (JP)
ITO SHINICHI (JP)
TAMURA YUKI (JP)
SHINKAWA KANJI (JP)
SHIMIZU MIZUHO (JP)

Application Number:

PCT/JP2017/033015

Publication Date:

April 05, 2018

Filing Date:

September 13, 2017

Export Citation:

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Assignee:

MITSUBISHI ELECTRIC CORP (JP)

International Classes:

H02K1/32; H02K1/22; H02K1/27; H02K9/06; H02K9/08

Foreign References:

JP2012085517A	2012-04-26
JP2006067777A	2006-03-09
JP2011193623A	2011-09-29
JP2012165600A	2012-08-30
JP2009159763A	2009-07-16
JP2015231262A	2015-12-21
JP2007028876A	2007-02-01
JP2013090479A	2013-05-13
JP2016007136A	2016-01-14
DE102015204721A1	2016-09-22

Other References: