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:
Jul. 02, 2019
Filed:
May. 04, 2017
Schneider Electric Usa, Inc., Andover, MA (US);
Conrad S. Weiden, Chapel Hill, NC (US);
Hien M. Nguyen, Chapel Hill, NC (US);
Michael V. Maloney, Raleigh, NC (US);
Samuel Jacob Calloway, Lake Oswego, OR (US);
Anthony Reac Martinez Arazo, Knightdale, NC (US);
SCHNEIDER ELECTRIC USA, INC., Andover, MA (US);
Abstract
A method and apparatus for determining the current condition of power contacts and providing an indication to a preventive maintenance system and/or a user of required power contact replacement. The method includes auxiliary contacts providing a low power binary signal to a processor in response to movements of a contact carrier supporting the movable auxiliary contacts and movable power contacts. The low power binary signals, in combination with physical features of the contact carrier and a signal indicating the state of the power contact, provide information to the processor for determining the current condition of the power contacts, and if the current condition exceeds a predetermined limit, notifying the preventive maintenance system and/or the user.