Air bearing planar direct drive for linear direct current motor, has pole teeth on prismatic cut stator and rotor in tooth pitch period, which ranges between certain millimeters, where period is sum of tooth width and tooth base width

摘要

The drive has laminations (1), coils, permanent magnets and air jet bodies, which are enclosed in a housing. Pole teeth are provided on a prismatic cut stator and a rotor in a tooth pitch period (Tz). The tooth pitch period is the sum of tooth width and tooth base width. The tooth pitch period averages to be larger than 1.28 millimeters (mm) and smaller than 25 mm, in particular between 1.29 mm and 10 mm. Independent claims are also included for the following: (A) a method for manufacturing a winding body (B) a method for producing a rotor active part that consists of punching unit for a linear and planar direct drive (C) a control function for phase current that is utilized for a linear and planar direct drive.