Patent ID: 6034453
Filing Date: 2000-03-07
Classification: H02K

Abstract:
A motor having a fluid bearing, comprising:a stator formed in a housing;a rotor which faces said stator at a predetermined interval;a rotor shaft having a plurality of bearing grooves thereon, for rotatably supporting said rotor;a shaft groove formed in said housing to insert said rotor shaft thereinto; anda clearance control unit formed in said housing and protruding from said housing into said shaft groove so as to be perpendicular to axial length of said rotor shaft, for controlling a clearance between said shaft groove and said rotor shaft,wherein said clearance control unit includes a clearance control rod inserted into a through hole, said through hole passing through said housing from an external side of said housing to an internal side of said housing so as to be perpendicular to said shaft groove, and a feed gear for feeding said clearance control rod along said through hole.