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. 06, 1977
Filed:
May. 19, 1976
Applicant:
Inventors:
Ralph D Thomas, Cleveland, OH (US);
Nagle, William J, Avon Lake, OH (US);
Primary Examiner:
Int. Cl.
CPC ...
H02J / ;
U.S. Cl.
CPC ...
320-6 ; 320 15 ; 320 18 ; 320 40 ;
Abstract
A multi-cell battery protection system is provided wherein each cell has its own individual protective circuit. The protective circuits each comprise a solid state comparator unit and a high current switching device such as a relay. The comparator units each continuously monitor the associated cell and when the cell voltage either exceeds a predetermined 'high' level or falls below a predetermined 'low' level, the relay is actuated whereby a bypass circuit is completed across the cell thereby effectively removing the cell from the series of cells.