COOLING WATER CIRCULATION/FEED SYSTEM FOR FUEL CELL

COOLING WATER CIRCULATION/FEED SYSTEM FOR FUEL CELL

PROBLEM TO BE SOLVED: To provide a cooling water circulation/feed system for a fuel cell allowing the miniaturization of a cooling water circulation pump, and capable of reducing power consumption. SOLUTION: This cooling water circulation/feed system has: a circulation passage for circulating the co...

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Hauptverfasser: IMAZEKI MITSUHARU, USHIO TAKESHI, SHIMOYAMA YOSHIRO
Format: Patent
Sprache:eng
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BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
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creator IMAZEKI MITSUHARU
USHIO TAKESHI
SHIMOYAMA YOSHIRO
description PROBLEM TO BE SOLVED: To provide a cooling water circulation/feed system for a fuel cell allowing the miniaturization of a cooling water circulation pump, and capable of reducing power consumption. SOLUTION: This cooling water circulation/feed system has: a circulation passage for circulating the cooling water to the fuel cell; the cooling water circulation pump in the circulation passage; a cooler; and a temperature regulator for regulating the water temperature of the cooling water fed to the fuel cell by adjusting the distribution amount of the cooling water to the cooler. In the cooling water circulation/feed system, a bypass passage bypassing the fuel cell is formed in the circulation passage; an ion exchanger for keeping the electric conductivity of the cooling water low is installed in the bypass passage; a valve for controlling a water flow rate to the ion exchanger is installed; and the fuel cell is cooled by feeding the cooling water to the fuel cell while circulating it with the cooling water circulation pump. The distribution amounts of the cooling water to the fuel cell and the ion exchanger are controlled by controlling the opening and closing of the valve according the operation state of the temperature regulator. COPYRIGHT: (C)2004,JPO
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SOLUTION: This cooling water circulation/feed system has: a circulation passage for circulating the cooling water to the fuel cell; the cooling water circulation pump in the circulation passage; a cooler; and a temperature regulator for regulating the water temperature of the cooling water fed to the fuel cell by adjusting the distribution amount of the cooling water to the cooler. In the cooling water circulation/feed system, a bypass passage bypassing the fuel cell is formed in the circulation passage; an ion exchanger for keeping the electric conductivity of the cooling water low is installed in the bypass passage; a valve for controlling a water flow rate to the ion exchanger is installed; and the fuel cell is cooled by feeding the cooling water to the fuel cell while circulating it with the cooling water circulation pump. 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SOLUTION: This cooling water circulation/feed system has: a circulation passage for circulating the cooling water to the fuel cell; the cooling water circulation pump in the circulation passage; a cooler; and a temperature regulator for regulating the water temperature of the cooling water fed to the fuel cell by adjusting the distribution amount of the cooling water to the cooler. In the cooling water circulation/feed system, a bypass passage bypassing the fuel cell is formed in the circulation passage; an ion exchanger for keeping the electric conductivity of the cooling water low is installed in the bypass passage; a valve for controlling a water flow rate to the ion exchanger is installed; and the fuel cell is cooled by feeding the cooling water to the fuel cell while circulating it with the cooling water circulation pump. The distribution amounts of the cooling water to the fuel cell and the ion exchanger are controlled by controlling the opening and closing of the valve according the operation state of the temperature regulator. COPYRIGHT: (C)2004,JPO</abstract><edition>7</edition><oa>free_for_read</oa></addata></record>
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subjects BASIC ELECTRIC ELEMENTS
ELECTRICITY
PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY
title COOLING WATER CIRCULATION/FEED SYSTEM FOR FUEL CELL
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