Granted Patent
Utility
US 5,525,887 · App. 08/404,385
Switched reluctance motor providing rotor position detection at low speeds without a separate rotor shaft position sensor
Inventor:
Thomas G. Van Sistine
Patented Case
View Patent ↗
Granted: Jun 11, 1996
Filed: Mar 14, 1995
Inventor
Thomas G. Van Sistine
Assignee (at issue)
A. O. Smith Corporation
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.