Fuel-cells system and method of regulating temperature in fuel-c

Details Fuel-cells system and method of regulating temperature in fuel-c Fuel-cells system and method of regulating temperature in fuel-c

1998-06-05

2000-07-11

Gorgos, Kathryn

Chemistry: electrical current producing apparatus, product, and

With pressure equalizing means for liquid immersion operation

429 26, 429 62, H01M 804

Patent

active

060870281

ABSTRACT:
In a fuel-cells system 20, cooling water circulating through a cooling water flow path 28 is heated by heat exchange carried out in fuel cells 22, subsequently cooled down by a radiator 26, and fed again to the fuel cells 22. A cooling water pump 30 gives a driving force used for circulating the cooling water through the cooling water flow path 28. A control unit 50 of the fuel-cells system 20 measures an inlet cooling water temperature T1 and an outlet cooling water temperature T2 of the fuel cells 22 and calculates a difference .DELTA.T between the observed temperatures T1 and T2. When the difference .DELTA.T is not less than a reference value set equal to 5.degree. C., the control unit 50 determines that a distribution of internal temperature of the fuel cells 22 is in a predetermined non-uniform state. The control unit 50 then increases the driving voltage of the cooling water pump 30 to equalize the internal temperature of the fuel cells 22.

REFERENCES:
patent: 3253957 (1966-05-01), Turner et al.
patent: 3539397 (1970-11-01), Keating, Jr. et al.
patent: 3595699 (1971-07-01), Baude
patent: 4640873 (1987-02-01), Tajima et al.

Affiliated with

Also associated with

Rating

Fuel-cells system and method of regulating temperature in fuel-c does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Fuel-cells system and method of regulating temperature in fuel-c, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Fuel-cells system and method of regulating temperature in fuel-c will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-540228