Patent · US Expired

Auxiliary power supply for a vehicle with a combustion engine and method for operating same

US6833206B2 · kind B2 · utility

37Cited by

8References

15Claims

0Family size

Assignee

Daimlerchrysler AG · US

Inventors

Erich Erdle · Markdorf, DE
Volker Richters · Sindelfingen, DE
Ottmar Schmid · Markdorf, DE

Key dates

Filing date	Sep 28, 2001
Grant date	Dec 21, 2004
Priority date	—
Expiry date	Feb 20, 2022

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY02T90/40
WIPO fieldElectrical machinery, apparatus, energy
WIPO sectorElectrical engineering

Abstract

A power supply for an auxiliary power unit APU of a combustion vehicle having a combustion engine includes a fuel cell with a hydrogen input, an oxygen input and an exhaust output, an electrolyzer capable of generating hydrogen and oxygen from water, a hydrogen storage for storing hydrogen produced by the electrolyzer, a water supply (for supplying water to the electrolyzer), and a pressure pump for adjusting the pressure between the water supply and the electrolyzer.

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