Patent · US Active

Sealing ring and seal arrangement comprising such a sealing ring

US11131387B2 · kind B2 · utility

1Cited by

9References

9Claims

0Family size

Assignee

Carl Freudenberg KG · DE

Inventors

Martin Heldmann · Lindenfels, DE
Jens Hofmann · Mannheim, DE
Guenter Hintenlang · Weinheim, DE

Key dates

Filing date	Nov 19, 2018
Grant date	Sep 28, 2021
Priority date	—
Expiry date	Mar 9, 2039

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF16J15/3268
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A sealing ring includes: a supporting element; and a lip seal having at least one first and one second lip seal section having sealing materials differing from one another. The first lip seal section at one end is connected to the supporting element, and at an other end has a free end on which the second lip seal section is arranged. The second lip seal section includes an elastomeric sealing material.

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