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:
Aug. 02, 2011
Filed:
Oct. 23, 2006
Applicants:
Andrew Edward Honegger, Chicago, IL (US);
Andrew Gordon Phillip, Oshkosh, WI (US);
Inventors:
Andrew Edward Honegger, Chicago, IL (US);
Andrew Gordon Phillip, Oshkosh, WI (US);
Assignee:
Microlution, Inc., Chicago, IL (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F03D 9/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method an apparatus for providing speed control in a spindle system are provided. The apparatus includes an air turbine spindle that rotates at a speed, an electromagnetic device coupled to the spindle for creating a torque to maintain a desired speed of the spindle, and a tachometer for generating a measurement of the rotational speed of the spindle. The electromagnetic device applies a torque to the spindle in response to the measurement to change the speed of the spindle to the desired speed.