DYNAMIC PRESSURE PNEUMATIC BEARING OF TURBO COMPRESSOR WITH AIR TANK

摘要

PURPOSE: A dynamic pressure pneumatic bearing of a turbo compressor with an air tank is provided to employ the dynamic pressure bearing to a heavy machine which rotates at a high speed by reinforcing the floating force of the dynamic pressure bearing with the compression air of an air storage tank. CONSTITUTION: A dynamic pressure pneumatic bearing of a turbo compressor includes an air storage tank(40) to be supplied with compression air from a turbo fan(10) fixed to a rotation shaft(1) mounted to an electric motor(30), an electronic control unit(49) capable of controlling the injection of the compression air from the air storage tank with respect to a dynamic pressure bearing(4) via an injection tube(42), a feedback system having a working valve, a rpm sensor(48), and an oil hammer sensor(45) for automatically controlling the supply of the compression air and a pneumatic sensor.