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Electromagnetic interference filter for automotive electrical systems

United States Patent

8,476,989
July 2, 2013
View the Complete Patent at the US Patent & Trademark Office
A filter for an automotive electrical system includes a substrate having first and second conductive members. First and second input terminals are mounted to the substrate. The first input terminal is electrically connected to the first conductive member, and the second input terminal is electrically connected to the second conductive member. A plurality of capacitors are mounted to the substrate. Each of the capacitors is electrically connected to at least one of the first and second conductive members. First and second power connectors are mounted to the substrate. The first power connector is electrically connected to the first conductive member, and the second power connector is electrically connected to the second conductive member. A common mode choke is coupled to the substrate and arranged such that the common mode choke extends around at least a portion of the substrate and the first and second conductive members.
Herron; Nicholas Hayden (Redondo Beach, CA), Carlson; Douglas S. (Hawthorne, CA), Tang; David (Fontana, CA), Korich; Mark D. (Chino Hills, CA)
GM Global Technology Operations LLC (Detroit, MI)
12/ 543,285
20110043303
August 18, 2009
STATEMENT REGARDING FEDERALLY SPONSORED RESEARCH OR DEVELOPMENT This invention was made with Government support under DE-FC26-07NT43123, awarded by the US-Department of Energy. The Government has certain rights in this invention.