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:
Mar. 09, 1999
Filed:
Feb. 20, 1997
Applicant:
Inventor:
Karl J Lamb, Port Angeles, WA (US);
Assignee:
Magna Force, Inc., Port Angeles, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
H02K / ; H02D / ;
U.S. Cl.
CPC ...
310103 ; 310 / ; 310 / ; 310 77 ; 310 78 ; 310 92 ;
Abstract
An adjustable coupler has a group of magnet rotors separated by air gaps from a group of conductor rotors. The air gaps are adjusted by axial movement of one of the groups relative to the other to vary the slip of the coupler and achieve a constant load speed at various load torques.