Scroll-type fluid machinery

Scroll-type fluid machinery

  • CN 1,059,488 C
  • Filed: 06/15/1991
  • Issued: 12/13/2000
  • Est. Priority Date: 08/30/1990
  • Status: Active Grant
First Claim
Patent Images

1. scroll-type fluid machinery, a fixed eddy plate and a revolution whirlpool dish of wherein having spiral vortex sheet on each end plate internal surface are meshing with each other, it is characterized in that a drive spool rotatably inserts a boss that stretches out at the middle part of described revolution whirlpool dish end plate outer surface, an eccentric drive pin that stretches out from running shaft cooperates with a chute that runs through drive spool slidably, has one to be close to described drive spool end face to control the back-up ring of its band inclination rotation at the end of described eccentric drive pin.

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