The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 21, 2011
Filed:
Jun. 29, 2009
Steven T. Haensgen, Mukwonago, WI (US);
William H. Martin, Franklin, WI (US);
Ricky A. Hurley, Hendersonville, NC (US);
Ronald N. Jansen, New Berlin, WI (US);
Steven T. Haensgen, Mukwonago, WI (US);
William H. Martin, Franklin, WI (US);
Ricky A. Hurley, Hendersonville, NC (US);
Ronald N. Jansen, New Berlin, WI (US);
Rockwell Automation Technologies, Inc., Mayfield Heights, OH (US);
Abstract
A system and method for detecting a fault condition by a relay is provided. The system includes means for detecting phase currents through three electrical phases, means for detecting a ground fault current, a processor configured to perform a current-based function based upon at least one of the phase currents and a filter. The processor is configured to perform current-based functions based on whether the filter is enabled or disabled.