Patent · US Expired

Variable-delivery vane-type rotary compressor

US5030066A · kind A · utility

12Cited by
10References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 21, 1987
Grant dateJul 9, 1991
Priority date
Expiry dateSep 21, 2007

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF04C28/14
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A variable-delivery vane-type rotary compressor includes passage means for defining a by-pass passage establishing communication between an aspirator chamber and a compression chamber, the by-pass passage having end openings exposed to the aspirator chamber and the compression chamber; and control means for mechanically controlling the amount of fluid by-passed from the compression chamber to the aspirator chamber through the passage means in accordance with pressure in the aspirator chamber and a discharge chamber.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.