US 12,249,861 B2
Supplemental capacitor based battery charging system
Kenneth Harden, Eden Prairie, MN (US); and Farhad Nourbakhsh, Apple Valley, MN (US)
Assigned to BBY Solutions, Inc., Richfield, MN (US)
Filed by BBY Solutions, Inc., Richfield, MN (US)
Filed on Sep. 3, 2021, as Appl. No. 17/466,281.
Application 17/466,281 is a continuation of application No. 16/295,049, filed on Mar. 7, 2019, granted, now 11,114,868.
Prior Publication US 2021/0399559 A1, Dec. 23, 2021
This patent is subject to a terminal disclaimer.
Int. Cl. H02J 7/34 (2006.01); H01G 11/04 (2013.01); H02J 7/00 (2006.01); H02J 7/06 (2006.01)
CPC H02J 7/345 (2013.01) [H01G 11/04 (2013.01); H02J 7/00 (2013.01); H02J 7/06 (2013.01); H02J 7/00302 (2020.01)] 6 Claims
OG exemplary drawing
 
1. A portable charging device comprising:
a) a charging device power input and a charging device power output;
b) a battery having a battery input, a battery output, and a battery charge status output;
c) a supercapacitor having a supercapacitor input, a supercapacitor output, and a supercapacitor charge status output;
d) a processor operating according to instructions causing the processor to implement a charging device management system;
e) the charging device management system having an input logic that directs input power received on the charging device power input to recharge the battery and the supercapacitor, wherein the input logic further:
i) receives the battery charge status output and the supercapacitor charge status output,
ii) determines whether the input power on the charging device power input is at a low level or a high level,
iii) upon determining that the input power is at the high level, diverts all input power to the supercapacitor input until the supercapacitor charge status output indicates that the supercapacitor is fully charged, and
iv) upon determining that the input power is at the low level, diverts all input power to the battery input until the battery charge status output indicates that the battery is fully charged;
f) the charging device management system having an output logic that, upon determining that there is a load on the charging device power output:
i) receives the battery charge status output and the supercapacitor charge status output,
ii) upon determining that the supercapacitor contains charge and the battery contains charge, powers the load on the charging device power output through the supercapacitor output without using any power from the battery, and
iii) upon determining that the supercapacitor does not contain charge and the battery does contain charge, powers the load on the charging device power output through the battery output; and
g) the charging device management system having a standby logic that, upon determining that there is no input power on the charging device power input and that there is no load on the charging device power output:
i) receives the battery charge status output and the supercapacitor charge status output, and
ii) upon determining that the supercapacitor contains charge and that the battery is not fully charged, recharges the battery using the charge contained in the supercapacitor.