Patent · US Expired

Brush seal

US5318309A · kind A · utility

55Cited by
30References
9Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMay 13, 1993
Grant dateJun 7, 1994
Priority date
Expiry dateMay 13, 2013

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY02T50/60
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

An improved brush seal for reducing swirl, recirculation and turbulence of an approaching gas stream to reduce irregular bristle wear and operating costs. The brush real may include a baffle of the honeycomb type or circumferentially stacked plates type, positive or negative steps in the flow path approaching a seal stage, and recirculation breakers.

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