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:
Apr. 18, 2017

Filed:

May. 01, 2015
Applicant:

Littelfuse, Inc., Chicago, IL (US);

Inventor:

Kip McArthur Larson, Rapid City, SD (US);

Assignee:

Littelfuse, Inc., Chicago, IL (US);

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02J 9/06 (2006.01);
U.S. Cl.
CPC ...
H02J 9/06 (2013.01); Y10T 307/615 (2015.04);
Abstract

A transfer system may be provided. The transfer system may comprise a first transfer switch comprising first normally closed contacts and first normally open contacts. In addition, the transfer system may comprise a second transfer switch comprising second normally closed contacts and second normally open contacts. Furthermore, the transfer system may comprise third normally closed contacts with a solid state switch in parallel. A source monitor may be configured to monitor the quality of a primary source and a backup source. And a source control may be configured to operate the first transfer switch, the second transfer switch, the third normally closed contacts, and the solid state switch to transfer a load from the primary source to the backup source in response to the monitored quality of the primary source and the backup source.


Find Patent Forward Citations

Loading…