Title:
リニアモータ
Document Type and Number:
Japanese Patent JP2006504378
Kind Code:
A
Abstract:
Linear electric motor or actuator comprising a movable part ( 21 ) consisting of a soft-magnetic core ( 22 ) which supports a set of electrically conductive turns ( 25 ), which movable part is slidably supported by a rail ( 26 ) which is provided with at least one set of permanent magnets ( 27, 30, 31 ) extending in longitudinal direction along the core's periphery. The magnets ( 27, 30, 31 ) produce a magnetic field that cooperates with the set of turns ( 27, 30, 31 ) via an air-gap. The soft-magnetic core ( 22 ) of the movable part ( 21 ) is made of soft-magnetic composite material. The electrically conductive turns ( 25 ) are wound around the periphery of the core ( 21 ) substantially perpendicularly to the centerline thereof, and at least two sets of magnets ( 27, 30, 31 ) are arranged along its periphery such that the at least two sets of magnets ( 27, 30, 31 ) are arranged at different angles to the core ( 22 ).
Inventors:
Sahin Normaler, Funda
Application Number:
JP2004546230A
Publication Date:
February 02, 2006
Filing Date:
September 22, 2003
Export Citation:
Assignee:
Koninklijke Philips Electronics N.V.
International Classes:
H02K41/03; H02K41/02; H02K1/02
Attorney, Agent or Firm:
Tadahiko Ito
Shinsuke Onuki
Tadashige Ito
Shinsuke Onuki
Tadashige Ito