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:
Oct. 04, 2005
Filed:
Oct. 08, 2002
Arthur E. Woodward, Manchester, MO (US);
Prakash B. Shahi, St. Louis, MO (US);
Ralph D. Furmanek, Wildwood, MO (US);
Arthur E. Woodward, Manchester, MO (US);
Prakash B. Shahi, St. Louis, MO (US);
Ralph D. Furmanek, Wildwood, MO (US);
Emerson Electric Co., St Louis, MO (US);
Abstract
A motor control system for use in heating, ventilation and air conditioning applications including a blower and a motor coupled to drive the blower, an inverter coupled to provide energization to the motor, a relay capable of coupling the motor to the output of the inverter or to line power, and a controller providing signals to control the output of the inverter, where, upon startup and transfer of the motor from the line to the inverter, the output of the inverter is controlled by the inverter to provide for an enhanced startup or transfer.