Title:
LINEAR MOTOR
Document Type and Number:
Japanese Patent JP2014042423
Kind Code:
A
Abstract:
To provide a linear motor that reduces pressure loss of a coolant, equalizes the temperature distribution, and provides effective cooling.
An armature 2 of a linear motor 100 has: a plurality of cooling pipe housing holes 60 that are formed along a longitudinal direction of a core 30; and cooling pipes 61 and 62 that are housed in a vertical direction inside of each cooling pipe housing hole 60 and that have zigzag shapes. Respective inlets 61c and 62c, and respective outlets 61d and 62d, of cooling pipes 61 and 62 that are vertically adjacent to each other are alternately connected in parallel to a coolant inlet 73a and a coolant outlet 73b in such a manner that a coolant flows in opposite directions in the cooling pipes 61 and 62.
Inventors:
SUGITA SATOSHI
MISAWA KOJI
MIYAIRI SHIGENORI
MISAWA KOJI
MIYAIRI SHIGENORI
Application Number:
JP2012184312A
Publication Date:
March 06, 2014
Filing Date:
August 23, 2012
Export Citation:
Assignee:
SANYO ELECTRIC CO
International Classes:
H02K41/02; H02K41/03; H02K9/16
Domestic Patent References:
| JPS6318956A | 1988-01-26 | |||
| JP2009171638A | 2009-07-30 | |||
| JP2004517599A | 2004-06-10 | |||
| JPH01127379U | 1989-08-31 | |||
| JPH09308183A | 1997-11-28 | |||
| JPH0993869A | 1997-04-04 | |||
| JP2012107768A | 2012-06-07 |
Foreign References:
| WO2010100742A1 | 2010-09-10 | |||
| US20110316358A1 | 2011-12-29 | |||
| US20040130223A1 | 2004-07-08 |
Attorney, Agent or Firm:
Hatta International Patent Corporation