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. 28, 2020
Filed:
Nov. 15, 2012
Carrier Corporation, Farmington, CT (US);
Tathagata De, Charlotte, NC (US);
Carrier Corporation, Palm Beach Gardens, FL (US);
Abstract
There is a method for controlling a centrifugal compressor () having an inlet (), an outlet (), an impeller () mounted for rotation about an impeller axis (), a motor () coupled to the impeller to drive the impeller about the impeller axis (), and a variable inlet guide vane () array () controllable for movement between a relatively closed first condition and a relatively open second condition. A lift value is determined (). An allowable guide vane condition based upon the lift value is determined (). The guide vane array is closed () to the determined allowable guide vane condition. The impeller is accelerated () to an operational speed.