Patent ID: 7040481
Filing Date: 2006-05-09
Classification: H02K

Abstract:
1. A linear actuator system, comprising: a rod having a first portion coupled to a first end of the linear actuator and a second portion coupled to a second end of the linear actuator; a plurality of annular magnets with alternating polarity substantially surrounding the rod; a housing generally surrounding the rod and the plurality of annular magnets; a bobbin assembly generally surrounding the plurality of annular magnets, the bobbin assembly movable along a longitudinal axis extending through the plurality of annular magnets, the bobbin assembly comprising a coil system having coils arranged to, when energized, interface with at least one of the plurality of annular magnets to move the bobbin in a liner mode, the first end and the second end of the linear actuator defining a range of movement of the bobbin assembly; and at least one stabilizing rod disposed outside of the housing and having a first section coupled to the first end and a second section coupled to the second end.