System and method for controlling methanol concentration in...

Details System and method for controlling methanol concentration in... System and method for controlling methanol concentration in...

2005-09-13

2005-09-13

Ryan, Patrick Joseph (Department: 1745)

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

Reexamination Certificate

active

06942939

ABSTRACT:
A system and method for controlling or otherwise effectively parameterizing the delivery of fuel to a fuel cell device comprises a fuel pump (330), a mixing chamber (310), a fuel concentration sensor (350), a control device (360), a pump driver (370) and a pulse generator (380). Various features and parameters of the present invention may be suitably adapted to optimize the fuel transport function for any particular fuel cell design. The present invention provides inter alia improved control of delivery of methanol to a DMFC fuel solution.

REFERENCES:
patent: 3819305 (1974-06-01), Klochemann et al.
patent: 3830403 (1974-08-01), Castan et al.
patent: 3915747 (1975-10-01), Summers et al.
patent: 5766786 (1998-06-01), Fleck et al.
patent: 1258153 (1971-12-01), None
patent: 62010872 (1987-01-01), None
patent: WO 02/49132 (2002-06-01), None

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