Patent ID: 6039549
Filing Date: 2000-03-21
Classification: F04C

Abstract:
A volute compressor comprising a housing, a frame mounted inside said housing, a fixed volute coupled to said frame at a top side, and a rotary volute mounted on said frame and defining with said fixed volute a plurality of compression chambers, wherein said frame comprises a plurality of first locating blocks and a plurality of second locating blocks at a top side thereof, said first locating blocks and said second locating blocks being spaced around said fixed volute and said rotary volute; a plurality of spring plates are connected between said first locating blocks and a shoulder of said fixed volute to stop said fixed volute from rotary motion relative to said rotary volute; a plurality of stop plates are fixedly mounted on said second locating blocks, said stop plates each having a free end suspending above the shoulder of said fixed volute to limit upward movement of said fixed volute.