Patent · US Expired

Device for metering a gaseous medium

US6631736B2 · kind B2 · utility

24Cited by

5References

9Claims

0Family size

Assignee

BALLARD POWER SYSTEMS INC. · US

Inventors

Joachim Seitz · Frensdorf, DE
Jochen Sang · Tauberbischofsheim, DE

Key dates

Filing date	Jul 23, 2001
Grant date	Oct 14, 2003
Priority date	—
Expiry date	Jul 23, 2021

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T137/87885
WIPO fieldMechanical elements
WIPO sectorMechanical engineering

Abstract

A device is used to meter a gaseous medium, in particular air, by means of a plurality of metering valves, into a plurality of components of a fuel cell system used in a motor vehicle. All of the metering valves are arranged on a central middle block. The central middle block has at least one inlet opening for the gaseous medium, which is connected, via at least one passage, to in each case one connection point for each of the metering valves.

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