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:
Sep. 04, 2012
Filed:
Oct. 02, 2009
Justin D. Warner, York, PA (US);
Ivan Jadric, York, PA (US);
Michael S. Todd, Jacobus, PA (US);
Zhiqiao Wu, York, PA (US);
Shreesha Adiga Manoor, York, PA (US);
Konstantin Borisov, York, PA (US);
Scott Victor Slothower, Dillsburg, PA (US);
Kanishk Dubey, York, PA (US);
John C. Hansen, Spring Grove, PA (US);
Justin D. Warner, York, PA (US);
Ivan Jadric, York, PA (US);
Michael S. Todd, Jacobus, PA (US);
Zhiqiao Wu, York, PA (US);
Shreesha Adiga Manoor, York, PA (US);
Konstantin Borisov, York, PA (US);
Scott Victor Slothower, Dillsburg, PA (US);
Kanishk Dubey, York, PA (US);
John C. Hansen, Spring Grove, PA (US);
Johnson Controls Technology Company, Holland, MI (US);
Abstract
A hybrid motor for powering a compressor of a chiller system includes a first rotor portion and a first stator portion configured as a permanent magnet motor and a second rotor portion and a second stator portion configured as a reluctance motor. The second rotor portion includes a reluctance-type rotor, and the second stator portion includes electromagnetic windings capable of inducing a rotary magnetic field. The first rotor portion and the second rotor portion are attached to a common drive shaft. The reluctance motor is arranged to generate start-up torque and initiate rotation of the drive shaft until the drive shaft achieves a predetermined rotational speed. The permanent magnet motor is arranged to power the drive shaft between the predetermined rotational speed and a maximum rotational speed.