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. 24, 1998
Filed:
Jan. 10, 1997
Applicant:
Inventors:
David T Willett, Santa Barbara, CA (US);
Edward M Halimi, Montecito, CA (US);
Assignee:
Turbodyne Systems, Inc., Carpinteria, CA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02M / ;
U.S. Cl.
CPC ...
363 98 ; 363132 ; 327404 ;
Abstract
Six sets of parallel-connected MOSFETs are gated to provide a 3-phase output. At least one of the MOSFETs in each of three sets of the six sets has a separately metallized current-sensing pad. The output from this pad represents the phase current. When phase current reaches a maximum permissible level, this signal controls the MOSFET gates to limit current.