The InnovationQ application will be updated on Sunday, May 31st from 10am-noon ET. You may experience brief service interruptions during that time.
Browse Prior Art Database

High Performance Rotary Actuator Motor

IP.com Disclosure Number: IPCOM000049823D
Original Publication Date: 1982-Jul-01
Included in the Prior Art Database: 2005-Feb-09

Publishing Venue


Related People

Hearn, AR [+details]


A rotary actuator is shown of the type employing a cylindrical shell rotor moving in a magnetic field extending across an annular air gap. Higher performance is achieved without torsional resonance penalties by employing a rotor having concentric double shell windings in which the shells move in respective concentric air gaps on opposite sides of permanent magnets providing the magnetic field.