ROTARY-SLEEVE BEARING APPARATUS FOR A ROTARY COMPRESSOR
摘要
<p>Apparatus in a vane type rotary compressor for floatingly supporting a rotary sleeve which is mounted in a center housing for rotation with a plurality of vanes movable in a rotor ? the apparatus comprising an air-bearing room defined between the inner periphery of the center housing and the outer periphery of the rotary sleeve and supplied with the maximum-pressure or discharge-pressure air through an air-supply passage extending from the discharge chamber or-compression working space under the maximum pressure. The air-supply passage is formed with an accumulator for reducing the pulsation and/or temperature of the supplied air. The accumulator is composed of either or both of a relatively large hollow in the thickened wall of the center housing and a plurality of fine bores and alternative grooves forming a S-shaped hole in the suction side wall.</p>
