Patent · US Expired

Displacement type compressor and method of forming coating film

US6079963A · kind A · utility

3Cited by
2References
5Claims
0Family size

Assignee

Inventors

Key dates

Filing dateSep 4, 1997
Grant dateJun 27, 2000
Priority date
Expiry dateSep 4, 2017

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF05C2201/0493
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A scroll type compressor comprises a stationary scroll and a rotary scroll which is assembled with the stationary scroll so as to define a closed space, the outer surface of the rotary scroll 22 is formed thereon with a tin compound film containing a tin compound and having a thickness of 50 .mu.m. Such a coating film is never peeled off from a member even after long time operation, and is excellent in sealability and conformability, in the displacement type compressor.

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