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. 22, 2000
Filed:
Feb. 10, 1999
Applicant:
Inventor:
Lambert Haner, Rocky River, OH (US);
Assignee:
Other;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02P / ;
U.S. Cl.
CPC ...
388811 ; 318725 ; 318254 ; 318138 ; 318439 ; 318724 ; 318700 ; 318720 ; 318721 ; 318726 ;
Abstract
A speed control system for a brushless repulsion motor of the type including a series of armature mounted switches for shorting circumferentially spaced armature coils, said system comprising: a digital counter on the armature for creating a repetitive succession of switch activating signals in a selected sequence at a given rate determined by the counting rate of the counter; means for activating the switches with the signals in the sequence and at the rate to control the speed of the armature; and, means for directing a reference pulse signal at a reference frequency to the counter to set the counting rate of the counter.