Patent · US Expired

Tandem dual element intershaft carbon seal

US7648143B2 · kind B2 · utility

12Cited by
9References
15Claims
0Family size

Assignee

Inventors

Key dates

Filing dateOct 18, 2005
Grant dateJan 19, 2010
Priority date
Expiry dateDec 5, 2025

Classification

  • Technology area (CPC F)Mechanical Engineering; Lighting; Heating
  • CPC primaryF16J15/24
  • WIPO fieldEngines, pumps, turbines
  • WIPO sectorMechanical engineering

Abstract

A sealing system for use with at least one rotating shaft has a tandem seal arrangement contacting a surface of the at least one rotating shaft. The tandem seal arrangement includes at least one pair of segmented ring assemblies. Each of the segmented ring assemblies contacts the surface of the at least one shaft.

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