Patent · US Expired

Compressor cartridge seal method

US5087172A · kind A · utility

15Cited by
14References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 5, 1990
Grant dateFeb 11, 1992
Priority date
Expiry dateOct 5, 2010

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10S277/928
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A high pressure compressor seal having an inner part and an outer part rotatable with respect to each other. The inner seal part includes a polygonal-shaped bore mounted on a polygonal-shaped compressor shaft. The outer seal part has plural O-rings therearound, and is sealed within a compressor housing opening. The outer seal part includes slots formed within an end face thereof for engagement with stationary compressor vanes, thereby preventing rotation of the outer seal part.

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