Primary part and linear electrical machine with force ripple...

Details Primary part and linear electrical machine with force ripple... Primary part and linear electrical machine with force ripple...

2011-03-29

2011-03-29

Nguyen, Hanh N (Department: 2834)

Electrical generator or motor structure

Dynamoelectric

Linear

Reexamination Certificate

active

07915769

ABSTRACT:
A primary part of a linear electrical machine includes a first member for production of a first magnetic field, a second member for production of a second magnetic field. The first member and the second member are arranged to realize a superimposition of the first magnetic field with the second magnetic field. Arranged on at least one end face of the primary part is a flux-guiding element to reduce a force ripple. The flux-guiding element is constructed in the form of an end tooth module having at least one permanent magnet.

REFERENCES:
patent: 2003/0098620 (2003-05-01), Ohto et al.
patent: 2007/0222304 (2007-09-01), Jajtic et al.
patent: 198 29 052 (1999-12-01), None
patent: 10 2005 004 380 (2006-08-01), None
patent: 10 2006 013 582 (2007-09-01), None
patent: 10 2006 035 671 (2008-02-01), None
patent: WO 2006032255 (2006-03-01), None
patent: WO 2008/015140 (2008-02-01), None

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