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.:
Date of Patent:
Jan. 11, 2011
Filed:
Aug. 11, 2008
Steven Mark Groff, Tucson, AZ (US);
Trung Le, Tucson, AZ (US);
Steven Mark Groff, Tucson, AZ (US);
Trung Le, Tucson, AZ (US);
International Business Machines Corporation, Armonk, NY (US);
Abstract
A multi-coil automatic transfer switch (ATS) adapted for automatically switching an appropriately rated component to render the ATS operational over a worldwide voltage range is provided. A low voltage contactor includes a low voltage coil magnetically linked with a normally open low voltage main contact. A high voltage contactor is coupled in parallel with the low voltage contactor. The high voltage contactor includes a high voltage coil magnetically linked with a normally open high voltage main contact. A normally closed high voltage auxiliary contact is magnetically linked with the high voltage coil. The normally closed high voltage auxiliary contact has a phase opposite the normally open high voltage main contact. The high voltage contactor opens the normally closed high voltage auxiliary contact to disconnect the low voltage coil.