Patent · US Active

Ballast seal

US11718373B2 · kind B2 · utility

0Cited by

5References

9Claims

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 13, 2019
Grant date	Aug 8, 2023
Priority date	—
Expiry date	Feb 18, 2040

Classification

Technology area (CPC B)Performing Operations; Transporting
CPC primaryB63B2207/00
WIPO fieldTransport
WIPO sectorMechanical engineering

Abstract

A ballast seal for a sealing ring includes: a substantially annular potential equalization ring made of an electrically-conductive material and which can be brought into contact in a sealing manner with a surface to be sealed of a machine element to be sealed; and at least one shielding ring made of a soft magnetic material so as to shield against electromagnetic interfering waves.

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