DEVICE FOR CIRCULATION COOLING WATER TO THE FUEL CELL STACK

PURPOSE: A coolant injection device for fuel cell vehicle is provided to improve driving efficiency and cooling performance by preventing local temperature increase due to bubbles, thereby preventing damage of the fuel cell. CONSTITUTION: A coolant injection device for fuel cell vehicle(100) compris...

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Bibliographische Detailangaben
Hauptverfasser:	KIM, YUN SEOK, KIM, SEONG KYUN, KO, HAENG JIN, KIM, CHI MYUNG, NAM, GI YOUNG, LEE, SEUNG YONG
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	BASIC ELECTRIC ELEMENTS BLASTING COOLING OF INTERNAL-COMBUSTION ENGINES COOLING OF MACHINES OR ENGINES IN GENERAL ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRICITY ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ENGINE PLANTS IN GENERAL HEATING LIGHTING MACHINES OR ENGINES IN GENERAL MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING PERFORMING OPERATIONS PROCESSES OR MEANS, e.g. BATTERIES, FOR THE DIRECT CONVERSIONOF CHEMICAL INTO ELECTRICAL ENERGY STEAM ENGINES TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	PURPOSE: A coolant injection device for fuel cell vehicle is provided to improve driving efficiency and cooling performance by preventing local temperature increase due to bubbles, thereby preventing damage of the fuel cell. CONSTITUTION: A coolant injection device for fuel cell vehicle(100) comprises a coolant tank(10) which stores cooling water, a coolant pump(40) which is installed in a coolant feed line(21) which connects the coolant tank with a stack cooling loop, and an air bubble removal unit(80) which is installed in rear end of the coolant pump and removes bubbles within the fuel cell stack. The bubble removal unit includes an ultrasonic vibrator(81) which excites ultrasonic waves to the stack cooling loop. The coolant pump delivers the cooling water to the stack cooling loop and circulates the cooling water to the coolant tank.