Fuel-circulating fuel cell system
First Claim
1. A fuel-circulating fuel cell system comprising:
- a fuel cell that is supplied with fuel and an oxidizing agent, and generates electricity;
a fuel-circulating passage that supplies fuel discharged from the fuel cell to the fuel cell again;
a fuel-forwarding device disposed in the fuel-circulating passage and provided with a fuel pump that is powered from an outside source to circulate the fuel in the fuel-circulating passage at a predetermined circulation rate; and
a fuel cell controller that transmits an output instruction value to the fuel cell and controls the fuel-forwarding device according to the output instruction value, to regulate a circulation rate of the fuel in the fuel-circulating passage.
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Accused Products
Abstract
A fuel cell stack 1 in a fuel-circulating fuel cell system is supplied with fuel and an oxidizing agent to generate electricity. The fuel discharged from the fuel cell stack 1 is supplied to the fuel cell stack 1 again through a fuel-circulating passage 6. In the fuel-circulating passage 6 is provided a fuel pump 3 powered from an outside source to circulate the fuel through the fuel-circulating passage 6 at a predetermined circulation rate. An ECU 4 transmits an output instruction value to the fuel cell stack 1 and regulates a circulation rate of the fuel in the fuel-circulating passage 6 according to the output instruction value.
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Citations
14 Claims
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1. A fuel-circulating fuel cell system comprising:
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a fuel cell that is supplied with fuel and an oxidizing agent, and generates electricity;
a fuel-circulating passage that supplies fuel discharged from the fuel cell to the fuel cell again;
a fuel-forwarding device disposed in the fuel-circulating passage and provided with a fuel pump that is powered from an outside source to circulate the fuel in the fuel-circulating passage at a predetermined circulation rate; and
a fuel cell controller that transmits an output instruction value to the fuel cell and controls the fuel-forwarding device according to the output instruction value, to regulate a circulation rate of the fuel in the fuel-circulating passage. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14)
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Specification