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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.:

US 11195670 B1

PDFFull Text
Date of Patent:
Dec. 07, 2021

Filed:

Jul. 21, 2020

Power contact fault clearing device

Applicant:

Arc Suppression Technologies, Bloomington, MN (US);

Inventors:

Reinhold Henke, Alexandria, MN (US);

Robert Thorbus, Chanhassen, MN (US);

Assignee:

Arc Suppression Technologies, Bloomington, MN (US);

Attorney:

Schwegman Lundberg & Woessner, P.A.

Primary Examiner:

Danny Nguyen

Int. Cl.
CPC ...
H01H 1/00 (2006.01); H01H 50/04 (2006.01); G01R 31/327 (2006.01); G01R 31/40 (2020.01); H02H 1/00 (2006.01); H02H 3/08 (2006.01); H01H 9/54 (2006.01); H02M 3/156 (2006.01); H03K 3/313 (2006.01); H03K 17/60 (2006.01); H04W 4/60 (2018.01); G06F 3/0484 (2013.01); H04L 29/08 (2006.01); H01H 1/50 (2006.01); H02H 3/06 (2006.01); H02H 3/087 (2006.01); H02H 7/26 (2006.01); H02H 9/02 (2006.01); H02H 9/08 (2006.01); H03K 3/45 (2006.01); H01H 47/00 (2006.01); H01H 71/04 (2006.01);
U.S. Cl.
CPC ...
H01H 1/0015 (2013.01); G01R 31/3277 (2013.01); G01R 31/3278 (2013.01); G01R 31/40 (2013.01); G06F 3/0484 (2013.01); G06F 3/04842 (2013.01); H01H 9/547 (2013.01); H01H 50/045 (2013.01); H02H 1/0007 (2013.01); H02H 3/08 (2013.01); H02M 3/156 (2013.01); H03K 3/313 (2013.01); H03K 17/601 (2013.01); H04L 67/1095 (2013.01); H04L 67/148 (2013.01); H04W 4/60 (2018.02); H01H 9/54 (2013.01); H01H 2001/506 (2013.01); H01H 2047/008 (2013.01); H01H 2071/044 (2013.01); H02H 3/06 (2013.01); H02H 3/087 (2013.01); H02H 7/26 (2013.01); H02H 9/02 (2013.01); H02H 9/08 (2013.01); H03K 3/45 (2013.01);
Abstract

A power contact fault clearing device includes a first pair of terminals adapted to be connected across a first set of switchable contacts, and a second pair of terminals adapted to be connected across a second set of switchable contacts. The second set of switchable contacts coupled to an arc suppressor. A current sensor is adapted to be connected between a power load and the second set of switchable contacts. The current sensor is configured to measure a power load current associated with the power load. A controller circuit is operatively coupled to the current sensor and the first and second pairs of terminals. The controller circuit is configured to detect a fault condition based at least on the power load current, and sequence deactivation of the first set of switchable contacts and the second set of switchable contacts based on the detected fault condition.

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