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:
Dec. 28, 2010
Filed:
Dec. 18, 2006
Applicants:
Peter Joseph Ayre, Crows Nest, AU;
Lee Thomas Glanzmann, Darlinton, AU;
Nicholas Oliver Von Huben, Bexley North, AU;
Inventors:
Peter Joseph Ayre, Crows Nest, AU;
Lee Thomas Glanzmann, Darlinton, AU;
Nicholas Oliver Von Huben, Bexley North, AU;
Assignee:
Thoratec Corporation, Pleasanton, CA (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H03K 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract
A method of tuning a DC brushless motor, wherein measurement of back EMF voltage is used to detect changes in the torque requirements caused by variation in the operating conditions of the DC brushless motor, the method including varying the timing of the driving signals to the motor to compensate for the changes in the torque requirements.