Patent · US Active

Mechanical face seal

US9086152B2 · kind B2 · utility

0Cited by

12References

23Claims

0Family size

Assignee

Carl Freudenberg KG · DE

Inventors

Martin Kirchhof · Miesbach, DE
Armin Laxander · Ebenhausen, DE
Guenther Lederer · Geretsried, DE
Thomas Keller · Morges, CH

Key dates

Filing date	Apr 18, 2011
Grant date	Jul 21, 2015
Priority date	—
Expiry date	Apr 18, 2031

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16J15/3468
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A mechanical face seal includes a rotating counter ring having a sealing surface and a stationary face seal ring having a sealing surface. The sealing surface of the counter ring is disposed opposite from the sealing surface of the face seal ring. The sealing surfaces of the counter ring and the face seal ring bear against each other.

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