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:
Feb. 14, 2006
Filed:
Oct. 21, 2004
Geoffrey Alan Turner, Lane Love, AU;
George Lange Paul, Chatswood West, AU;
Sarkis Keshishian, Ermington, AU;
Peter John Mahon, Narrabundah, AU;
Geoffrey Alan Turner, Lane Love, AU;
George Lange Paul, Chatswood West, AU;
Sarkis Keshishian, Ermington, AU;
Peter John Mahon, Narrabundah, AU;
Energy Storage Systems PTY LTD, Lane Cove, AU;
Abstract
A power supply () for a pulsed load () includes a first energy storage device in the form of a battery () which is in parallel with a second energy storage device in the form of a supercapacitor (). Battery () and supercapacitor () are respectively modelled as: an ideal battery () in series with an internal resistance (); and an ideal capacitor () in series with an equivalent series resistance (ESR) (). Through use of a supercapacitor () having a low ESR with respect to the resistance (), the power supply () facilitates continuity of supply to load (). That is, during peak demand more of the load current will be supplied by supercapacitor () due to the lower ESR. Moreover, during times of lower load current demands the battery recharges the supercapacitor. This reduces the peak current needed to be provided by the battery and thereby improves battery longevity.