Method and circuit for managing start-up phase of at least a...

Details Method and circuit for managing start-up phase of at least a... Method and circuit for managing start-up phase of at least a...

2011-03-15

2011-03-15

Deberadinis, Robert L. (Department: 2836)

Electrical transmission or interconnection systems

Switching systems

Plural switches

Reexamination Certificate

active

07906874

ABSTRACT:
A managing method of the start-up phase of at least one micro fuel cell to be connected to a load includes: measuring a micro fuel cell voltage value across the micro fuel cell activated by means of a fuel injection; comparing the micro fuel cell voltage value with a first threshold voltage value; and establishing an operation mode of the micro fuel cell as follows: as long as the micro fuel cell voltage value is lower than the first threshold voltage value, the micro fuel cell operates in a first open circuit state, during which it is not connected to the load; when the micro fuel cell voltage value overcomes the first threshold voltage value, the micro fuel cell passes to a second pre-ignition state, during which it supplies a current value corresponding to the first threshold voltage value, according to a static voltage-current characteristic of the micro fuel cell.

REFERENCES:
patent: 2003/0022031 (2003-01-01), Manery
patent: 2003/0207162 (2003-11-01), Reiser
patent: 1233468 (2002-08-01), None
patent: 1471588 (2004-10-01), None
patent: 1638159 (2006-03-01), None
patent: 01154469 (1989-06-01), None

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