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:
Nov. 01, 2005
Filed:
Mar. 18, 2004
Applicant:
John E. Makaran, London, CA;
Inventor:
John E. Makaran, London, CA;
Assignee:
Siemens VDO Automotive Inc., Chatham, CA;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K011/02 ;
U.S. Cl.
CPC ...
Abstract
A brush type DC motorhaving an armatureand positive and negative power leads is provided. The motor includes an RFI chokeas a transformer in series with at least one of the positive and negative power leads to amplify current such that rotation of the armaturecan be detected based on monitoring a voltage relating to the amplified current. Conditioning circuitryis constructed and arranged to condition the voltage for detecting rotation of the armature.