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.

Date of Patent:
Feb. 09, 1993

Filed:

Mar. 28, 1991
Applicant:
Inventors:

Bruce C Beihoff, Wauwatosa, WI (US);

Charles J Tennies, Waukesha, WI (US);

Francis S Richards, Jr, Germantown, WI (US);

Walter K O'Neil, Birmingham, MI (US);

Assignee:

Eaton Corporation, Cleveland, OH (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H02H / ; G01R / ;
U.S. Cl.
CPC ...
361 45 ; 361 87 ; 361 93 ; 361111 ; 324522 ; 324536 ;
Abstract

An arc detection method and apparatus is provided for an electric circuit having an electrified conductor (46) connecting a voltage source (26) to a load (30). The arc detector includes a field sensor (62) sensing an electromagnetic field established about the conductor by the occurrence of an electrical arc in the electric circuit, and generating a field responsive signal in response thereto. Arc discrimination circuitry responds to the field sensor and generates an arc indicative signal in response to a random chaotic pattern of the field responsive signal.


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