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:
Dec. 22, 2009
Filed:
Oct. 31, 2005
Applicants:
Steven J. Holden, Manlius, NY (US);
Vishnu M. Sishtla, Manlius, NY (US);
Cornelius Holmes, North Syracuse, NY (US);
Inventors:
Steven J. Holden, Manlius, NY (US);
Vishnu M. Sishtla, Manlius, NY (US);
Cornelius Holmes, North Syracuse, NY (US);
Assignee:
Carrier Corporation, Farmington, CT (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P 6/12 (2006.01);
U.S. Cl.
CPC ...
Abstract
A compressor is powered by a motor which is, in turn, powered by a variable speed drive (VSD). The switching frequency and voltage/frequency relationship of the VSD may be adjusted dynamically to maximize efficiency.