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. 25, 2009
Filed:
Sep. 24, 2003
Phillip Mark Hunter, Christchurch, NZ;
Timothy Clarence Johnson, Auckland, NZ;
Darren Tze Chang Lim, Sarawak, MY;
Adnan Anbuky, Christchurch, NZ;
Phillip Mark Hunter, Christchurch, NZ;
Timothy Clarence Johnson, Auckland, NZ;
Darren Tze Chang Lim, Sarawak, MY;
Adnan Anbuky, Christchurch, NZ;
Eaton Power Quality Company, Christchurch, NZ;
Abstract
A battery management system includes a sensing module, a feeding module, a control module, and a common line adapted for connection to a battery when in use. In some embodiments, a battery management apparatus for managing a substring of cells in a string of cells includes a DC bus, a multiplexer/demultiplexer circuit operative to selectively couple nodes of the substring of cells to the DC bus, a DC/DC converter circuit having a first port configured to be coupled across a plurality of cells of the string and a second port coupled to the DC bus, the DC/DC converter operative to transfer energy between the first and second ports, a sensor circuit coupled to the DC bus, and a controller circuit configured to connect to a communications bus and operatively associated with the multiplexer/demultiplexer circuit, the DC/DC converter and the sensor circuit.