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:
Aug. 23, 2022

Filed:

May. 18, 2018
Applicant:

Franklin Electric Co., Inc., Fort Wayne, IN (US);

Inventors:

Douglas C. Lynn, Fort Wayne, IN (US);

Shengnan Li, Fort Wayne, IN (US);

Richard J. Halsey, Fort Wayne, IN (US);

Assignee:

FRANKLIN ELECTRIC CO., INC., Fort Wayne, IN (US);

Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F04B 49/06 (2006.01); H02P 29/68 (2016.01); H02P 27/08 (2006.01); H02M 1/36 (2007.01); H02M 7/5387 (2007.01); F04B 35/04 (2006.01);
U.S. Cl.
CPC ...
H02P 29/68 (2016.02); H02M 1/36 (2013.01); H02M 7/53871 (2013.01); H02P 27/08 (2013.01); F04B 35/04 (2013.01); H02P 2201/03 (2013.01);
Abstract

A motor drive including an inverter and control logic and a method implemented by the control logic to protect an inverter. The method includes determining a temperature value of a temperature associated with the inverter; preventing restarting of the inverter if the temperature value exceeds a first temperature threshold; and preventing restarting of the inverter if the temperature value exceeds a second temperature threshold that is smaller than the first temperature threshold and the inverter was shut down due to a high load condition.


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