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US 11,718,373 B2Granted
Ballast seal
AssigneeCarl Freudenberg KG
InventorsFrancois Colineau, Jens Hofmann, Thomas Klenk
Life of this patent
Estimating the term…
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.
Claims9
A ballast seal for a sealing ring, comprising:
- a substantially annular potential equalization ring comprising 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 comprising a soft magnetic material so as to be configured to shield against electromagnetic interfering waves, the at least one shielding ring being electrically non-conductive.
Dependencies are inferred from the claim text.