Patent ID: 6255751
Filing Date: 2001-07-03
Classification: F16H,H02K

Abstract:
An integrated rotary servo actuator apparatus, comprising:a) a rotor having a rotor shaft;b) a stator;c) a planetary gear system, including a sun gear, a plurality of planet gears and an outer ring gear, wherein the sun gear is directly connected to said rotor shaft and an output shaft is connected to said planet gears;d) first and second bearings for supporting said planetary gear system, said first and second bearings located on opposing sides of said planetary gear system, and said first bearing has a first diameter and said second bearing has a second diameter; ande) a third bearing for supporting said rotor shaft, wherein said third bearing has a third diameter, said third diameter is less than said first and second diameters, and wherein said third bearing is positioned between an edge of the first bearing and an edge of the second bearing.