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:
Jul. 22, 2014
Filed:
Dec. 13, 2011
Trevor H. Cole, Duxbury, VT (US);
Garrett L. Bywaters, Waitsfield, VT (US);
Adam R. Olsen, East Corinth, VT (US);
Daniel Costin, Montpelier, VT (US);
Trevor H. Cole, Duxbury, VT (US);
Garrett L. Bywaters, Waitsfield, VT (US);
Adam R. Olsen, East Corinth, VT (US);
Daniel Costin, Montpelier, VT (US);
Northern Power Systems, Inc., Barre, VT (US);
Abstract
A rotor-stator structure including plural bumper elements that may employ synthetic sliding bearing surfaces, mounted to the stator, and designed to contact a machined surface on the rotor if generator structural deflection occurs during operation. During normal operation, the bearing surface is not in contact with the machine rotor. If extreme loads are imposed on the rotor or stator structures, or other issue like bearing failure, causes the air gap to close, the bumper elements will 'touch down' on a machined surface on the rotor to maintain a minimum air gap.