Patent · US Active

Seal

US11002363B2 · kind B2 · utility

0Cited by

2References

6Claims

0Family size

Assignee

Carl Freudenberg KG · DE

Inventors

Francois Colineau · Mengen, DE
Jens Hofmann · Mannheim, DE
Thomas Klenk · Dossenheim, DE

Key dates

Filing date	Feb 12, 2019
Grant date	May 11, 2021
Priority date	—
Expiry date	May 17, 2039

Classification

Technology area (CPC H)Electricity
CPC primaryH05K9/0081
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A seal includes: a sealing ring made of a sealing material; and at least one shielding ring made a soft magnetic material for shielding against electromagnetic interfering waves. In an embodiment, the at least one shielding ring is formed by a ferrite ring. In an embodiment, the at least one shielding ring includes at least two shielding rings, the at least two shielding rings being arranged in a functional series connection.

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