US 11,718,373 B2
Ballast seal
Francois Colineau, Schallstadt-Leutersberg (DE); Jens Hofmann, Mannheim (DE); and Thomas Klenk, Dossenheim (DE)
Assigned to CARL FREUDENBERG KG, Weinheim (DE)
Filed by Carl Freudenberg KG, Weinheim (DE)
Filed on Feb. 13, 2019, as Appl. No. 16/274,280.
Claims priority of application No. 10 2018 105 376.2 (DE), filed on Mar. 8, 2018.
Prior Publication US 2019/0276119 A1, Sep. 12, 2019
Int. Cl. B63B 13/00 (2006.01); B63B 3/13 (2006.01); B63B 11/04 (2006.01); F16J 15/06 (2006.01); B63B 43/04 (2006.01)
CPC B63B 13/00 (2013.01) [B63B 3/13 (2013.01); B63B 11/04 (2013.01); F16J 15/064 (2013.01); B63B 2043/042 (2013.01); B63B 2207/00 (2013.01)] 9 Claims
OG exemplary drawing
 
1. 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.