Patent · US Expired

Sliding-vane rotary compressor

US4830590A · kind A · utility

11Cited by
8References
2Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 31, 1988
Grant dateMay 16, 1989
Priority date
Expiry dateMar 31, 2008

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S418/01
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A sliding-vane rotary compressor of the type having a cylinder, a rotor rotatably disposed therein and carrying thereon a plurality of vanes, a pair of side blocks attached to opposite ends of the cylinder, and a pair of heads attached to the side blocks, respectively, the improvement which comprises a partition wall separating an oil sump from a low pressure chamber which is defined by and between one of the side block and the head attached thereto, and at least two connecting passages interconnecting the oil sump and a high pressure chamber which is defined by and between the other side block and the head attached thereto.

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