US 6,982,511 B2
Pole ring
Ismail Önder, Berlin (Germany); and Isao Fukumoto, Berlin (Germany)
Assigned to Pierburg GmbH, Neuss (Germany)
Filed on Aug. 26, 2003, as Appl. No. 10/647,952.
Claims priority of application No. 102 39 121 (DE), filed on Aug. 27, 2002.
Prior Publication US 2004/0041487 A1, Mar. 04, 2004
Int. Cl. H02K 1/17 (2006.01); H02K 1/18 (2006.01)
U.S. Cl. 310—91 11 Claims
OG exemplary drawing
 
1. A pole ring for a D.C. motor housing, comprising:
several retaining projections provided at an outer circumference, said retaining projections radially securing and axially retaining the pole ring in the D.C. motor housing, the retaining projections comprising a retaining surface pointing oppositely to a mounting direction for mounting the pole ring in the D.C. motor housing, wherein each of the retaining projections has a guiding chamfer.