Patent · US Expired

Sealing collar

US7600761B2 · kind B2 · utility

1Cited by

11References

1Claims

0Family size

Assignee

Continental Teves AG & Co. OHG · DE

Inventors

Peter Drott · Frankfurt am Main, DE
Harald König · Bernhardswald, DE
Udo Jungmann · Riedstadt, DE
Andreas Bischoff · Frankfurt am Main, DE
Hans-Michael Koppel · Frankfurt, DE

Key dates

Filing date	Jul 29, 2003
Grant date	Oct 13, 2009
Priority date	—
Expiry date	Jan 4, 2025

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16J15/164
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

The invention relates to a sealing collar for a cylinder-and-piston unit, wherein the sealing collar is essentially received in a groove that is inserted into the cylinder or the piston, respectively, and the sealing collar comprises two sealing lips, the first sealing lip thereof being acted upon dynamically and making catch at the piston or the cylinder, respectively, while the second sealing lip thereof is acted upon statically and rests on a bottom of the groove.It is the core of the invention that the sealing collar includes a circumferential extension that extends in parallel to the sealing lips, is arranged radially between the first sealing lip and the second sealing lip and projects from the sealing lips in an axial direction.

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