Fuel cell system
AssigneeNissan Motor Co., Ltd.
InventorTadashi Matoba
Life of this patent
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Abstract
An on-vehicle fuel cell system of the present invention has: a fuel cell stack which is mounted on a vehicle and generates power by using fuel gas and oxidant gas, the fuel cell stack including a water passage which performs cooling and humidification in an inside thereof; a water circulator which circulates water through the water passage; a water tank which reserves the water; a discharge device which discharges extra water from the water tank to an outside of the vehicle; and a discharge control device which controls the discharge of the water by the discharge device. The discharge control device makes a control not to discharge liquid-water to the outside of the vehicle in a case where a road surface condition immediately under the vehicle is estimated to be a predetermined road surface condition.
Claims9
An on-vehicle fuel cell system, comprising:
- a fuel cell stack which is mounted on a vehicle and generates power by using fuel gas and oxidant gas, the fuel cell stack including a water passage which performs cooling and humidification in an inside thereof;
- a water circulator which circulates water through the water passage;
- a water tank which reserves the water;
- a discharge device which discharges extra water from the water tank to an outside of the vehicle;
- and
- a discharge control device which controls the discharge of the water by the discharge device,
- wherein the discharge control device makes a control not to discharge liquid-water to the outside of the vehicle in a case where a road surface condition immediately under the vehicle is estimated to be a predetermined road surface condition.
A fuel cell system controlling method, comprising:
- preparing a fuel cell stack which is mounted on a vehicle and generates power by using fuel gas and oxidant gas, the fuel cell stack including a water passage which performs cooling and humidification in an inside thereof, a water circulator which circulates water through the water passage, a water tank which reserves the water, and a discharge device which discharges extra water from the water tank to an outside of a vehicle,
- estimating a road surface condition immediately under the vehicle;
- and
- controlling the discharge device not to discharge liquid-water to the outside of the vehicle in a case where the road surface condition is estimated to be a predetermined road surface condition.
An on-vehicle fuel cell system, comprising:
- a fuel cell stack which is mounted on a vehicle and generates power by using fuel gas and oxidant gas, the fuel cell stack including a water passage which performs cooling and humidification in an inside thereof;
- a water circulator which circulates water through the water passage;
- a water tank which reserves the water;
- discharge means for discharging extra water from the water tank to an outside of the vehicle;
- and
- discharge control means for controlling the discharge of the water by the discharge means,
- wherein the discharge control means makes a control not to discharge liquid-water to the outside of the vehicle in a case where a road surface condition immediately under the vehicle is estimated to be a predetermined road surface condition.
Dependencies are inferred from the claim text.