Patent ID: 7358636
Filing Date: 2008-04-15
Classification: H02K

Abstract:
1. An electric motor comprising: a substantially cylindrical housing; at least two magnets that are arranged along an inner wall of the housing in a circumferential direction of the housing such that the magnets, which are circumferentially adjacent to each other, define at least two gaps therebetween; and a resilient member that is an integrated resilient wire in substantially a U-shape, wherein the resilient member includes two inserted portions, each extending in substantially an axial direction of the housing, one of the two inserted portions is inserted into a first one of the at least two gaps, another one of the two inserted portions is inserted into a second one of the at least two gaps, the resilient member includes a connecting portion extending substantially in a circumferential direction of the housing, and connecting the two inserted portions, and each of the two inserted portions has a substantially convex bowed portion that bows in the circumferential direction of the housing to bias the magnets, which are circumferentially adjacent to each other, in a direction in which the magnets are circumferentially spaced from each other.