Title:
LINEAR MOTOR AND COMPRESSOR MOUNTED WITH THE SAME
Document Type and Number:
Japanese Patent JP2019146277
Kind Code:
A
Abstract:
To provide a linear motor capable of efficiently operating with two drive frequencies and a compressor mounted with the same.SOLUTION: A linear motor comprises: a first movable part having one of a permanent magnet and a coil; a second movable part having the other of the permanent magnet and the coil; a stationary part; a first spring connected between the first movable part and the second movable part; and a second spring connected between the second movable part and the stationary part. The first movable part and the second movable part reciprocate in approximately the same direction. The linear motor performs a low range mode supplying an AC current of a frequency in the vicinity of a low range side resonance mode frequency and a high range mode supplying an AC current of a frequency in the vicinity of a high range side resonance mode frequency.SELECTED DRAWING: Figure 3
Inventors:
MATSUKA DAISUKE
KOYAMA MASAKI
SUZUKI HISANORI
NAGATA SHUHEI
OKAMOTO KENICHI
KOYAMA MASAKI
SUZUKI HISANORI
NAGATA SHUHEI
OKAMOTO KENICHI
Application Number:
JP2016087639A
Publication Date:
August 29, 2019
Filing Date:
April 26, 2016
Export Citation:
Assignee:
HITACHI LTD
International Classes:
H02K33/16; H02K41/03
Attorney, Agent or Firm:
Yuji Toda