Granted Patent
Utility
US 5,986,419 · App. 09/048,946
Quadrature axis winding for sensorless rotor angular position control of single phase permanent magnet motor
Inventors:
William R. Archer, Roger Carlos Becerra, Brian L. Beifus, Mark A. Brattoli, David M. Erdman, Thomas Merlin Jahns, Gerald Burt Kliman, Wen Liang Soong, Charles Michael Stephens, Eric R. Benedict, Michael W. Degner
Patented Case
View Patent ↗
Granted: Nov 16, 1999
Filed: Mar 26, 1998
Inventors
William R. Archer
Roger Carlos Becerra
Brian L. Beifus
Mark A. Brattoli
David M. Erdman
Thomas Merlin Jahns
Gerald Burt Kliman
Wen Liang Soong
Charles Michael Stephens
Eric R. Benedict
Michael W. Degner
Assignee (at issue)
General Electric Company
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.