Method and apparatus for monitoring parameters of an easily...

Details Method and apparatus for monitoring parameters of an easily... Method and apparatus for monitoring parameters of an easily...

2006-09-19

2006-09-19

Nguyen, Phung T. (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

C340S309160, C073S001020

Reexamination Certificate

active

07109855

ABSTRACT:
In a method and apparatus for monitoring a parameter, such as a concentration level, of an easily ignited gas, such as hydrogen, includes a wake-up device that is connected to a current/voltage supply, and can switch the monitoring unit from a state of rest into an active state after an adjustable time interval. The device according to the invention can be used in a fuel cell system or in a vehicle. Furthermore, the invention relates to a method for monitoring the concentration of an easily ignited gas.

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