Title:
リニアアクチュエータ
Document Type and Number:
Japanese Patent JP4830251
Kind Code:
B2
Abstract:
Plural magnetic sheets ( 22 ) are laminated in circumference direction to form a cylindrical laminated core. Magnetic sheets ( 22 ) adjacent to each other have coupling point ( 25 ) at an upper section or a lower section and gap ( 26 ) on an opposite side of coupling point ( 25 ). Coupling point ( 25 ) is prepared at upper section ( 23 ), then lower section ( 24 ), and upper section ( 23 ) then lower section ( 24 ) alternately. This structure allows assembling a radial laminated core with ease.
Inventors:
Shinichiro Kawano
Koji Ueda
Mikio Hirano
Masami Wada
Koji Ueda
Mikio Hirano
Masami Wada
Application Number:
JP2002531578A
Publication Date:
December 07, 2011
Filing Date:
September 26, 2001
Export Citation:
Assignee:
Panasonic Corporation
International Classes:
H02K33/16; H02K1/14; H02K1/18; H02K15/02; H02K21/22; H02K41/03
Domestic Patent References:
| JP2000166189A | 2000-06-16 | |||
| JPH10323009A | 1998-12-04 | |||
| JPH10322945A | 1998-12-04 |
Foreign References:
| US7049925B2 | 2006-05-23 | |||
| DE3137391A1 | 1983-04-07 | |||
| WO1999034497A1 | 1999-07-08 | |||
| US2962679A | 1960-11-29 |
Attorney, Agent or Firm:
Hiroki Naito
Daisuke Nagano
Kentaro Fujii
Daisuke Nagano
Kentaro Fujii