公开(公告)号：WO0237651A3

公开(公告)日：2002-08-01

申请号：PCT/JP0109689

申请日：2001-11-06

Applicant: HITACHI LTD

Inventor： KIM HOUNG JOONG ,  SEINO HIROMITSU ,  NAGANUMA RYOUICHI ,  TOYODA HIROSHI ,  MAKI KOHJI

IPC: H02K1/18 ,  H02K15/02 ,  H02K15/08 ,  H02K41/02 ,  H02K41/03 ,  H02K41/025

CPC classification number: H02K41/031

Abstract: A linear motor and a method of producing the linear motor are provided to reduce a leak magnetic flux flowing between an armature and a moving element to reduce a one-direction magnetic attraction force generated between the armature and the moving element. The linear motor includes the armature having a core formed of a magnetic body and a winding wound around the core, and the moving element supported so as for the moving element to move relatively to the armature via a gap, magnetic pole teeth disposed above and below the moving element, disposed at predetermined pitches along a moving direction of the moving element and disposed opposite to each other via the moving element, and a winding for exciting the magnetic pole teeth such that adjacent and opposite magnetic pole teeth have different magnetic poles, and the moving element is reciprocated relatively to the armature by exciting the winding according to a predetermined control circuit.

Abstract translation: 本发明提供线性电动机和线性电动机的制造方法，以减少在电枢和移动元件之间流动的漏磁通，从而降低在电枢和移动元件之间产生的单向磁吸引力。 线性电动机包括具有由磁性体形成的铁芯和缠绕在铁芯上的绕组的电枢，并且移动元件被支撑以使得移动元件经由间隙相对于衔铁移动，设置在上方和下方的磁极齿 所述移动元件沿所述移动元件的移动方向以预定间距设置并且经由所述移动元件彼此相对地设置;以及绕组，用于激励所述磁极齿使得相邻和相对的磁极齿具有不同的磁极，以及 通过根据预定的控制电路激励绕组，使移动元件相对于电枢往复运动。