rotor-bearing system supported by slot restrictor air journal bearings

摘要

PURPOSE: A supporting rotor-bearing system of a slot restrictor air journal bearing is provided to increase the maximum rotational speed of a rotor by changing the size of a slot gap circumferentially and to make a round rotating trace of a shaft by placing bearings to be crossed each other. CONSTITUTION: An air supply slot connected circumferentially is formed to supply air through a gap of a bearing. The slot is connected from the inlet of a bearing gap to the inlet of the bearing in the radial direction of the bearing. The slot has a pocket in the slot inlet. Air is supplied to the pocket through an air supply hole. The slot has two gaps of different sizes.