Patent · US Expired

Method and apparatus for slowing the discharge process of a battery

US6924624B2 · kind B2 · utility

13Cited by

5References

10Claims

0Family size

Assignee

Robert Bosch GmbH · DE

Inventors

Hans-Joachim Baur · Echterdingen, DE
Stefan Roepke · Graz, AT
Rainer Glauning · Echterdingen, DE
Volker Bosch · Stuttgart, DE

Key dates

Filing date	Jan 7, 2003
Grant date	Aug 2, 2005
Priority date	—
Expiry date	Jan 7, 2023

Classification

Technology area (CPC H)Electricity
CPC primaryH02J2207/10
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A battery unit including a battery (3) is equipped with a monitoring circuit (9) for detecting and evaluating operating variables related to charge state of the battery (3). So that energy is not drawn from the battery (3) by its own monitoring circuit (9) when an external load (2) powered by the battery unit is shut off, the supply of electrical power to the monitoring circuit (9) in the battery unit is disconnected, either immediately or after a certain time delay, when the load (2) is shut off. This slows the discharge of the battery (3) when it is not supplying electrical to the load (2).

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.