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:
Dec. 12, 2023

Filed:

Mar. 31, 2021
Applicants:

Wayne/scott Fetzer Company, Westlake, OH (US);

Grid Connect, Inc., Naperville, IL (US);

Inventors:

Philip Anthony Mayleben, Burlington, KY (US);

Cristian Codreanu, Chicago, IL (US);

Assignee:

Wayne/Scott Fetzer Company, Westlake, OH (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
G01R 31/52 (2020.01); G01R 31/34 (2020.01); H02P 29/024 (2016.01); F04B 17/03 (2006.01); F04D 15/00 (2006.01);
U.S. Cl.
CPC ...
G01R 31/52 (2020.01); F04B 17/03 (2013.01); F04D 15/0077 (2013.01); F04D 15/0088 (2013.01); G01R 31/343 (2013.01); H02P 29/027 (2013.01); F04B 2207/701 (2013.01); F04B 2207/702 (2013.01); F05B 2260/80 (2013.01); F05B 2260/83 (2013.01); F05B 2270/3032 (2013.01);
Abstract

A motor leakage current detector and/or a heat compensating circuit, devices using same and related methods are disclosed herein. Included are a uniquely wired current transformer to allow for polarity agnostic leakage current detection, a leakage current detector using same and having a notifier to alert a user. In other forms, an accessory power cord and power strip are disclosed capable of detecting early motor failure conditions. In still other forms, other machinery failure early warning systems are disclosed as are numerous motor operated devices using same including without limitation pumps.


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