Patent application number | Description | Published |
20120118988 | HEATING SYSTEM FOR FUEL CELL VEHICLE - The present invention provides a heating system for a fuel cell vehicle, in which an additional heating source is used together with an electric heater to lower power consumption and increase fuel efficiency of prior systems. For this purpose the present invention provides a heating system for a fuel cell vehicle, the heating system including: an electric heater for heating air blown by a blower fan and supplied to the interior of the vehicle; and a heater core provided in a coolant line, through which coolant for cooling a fuel cell stack is circulated, and is used for heating the air, blown by the blower fan and supplied to the interior of the vehicle, by heat transfer between the coolant and the air, wherein the heater core is provided at the downstream side of the fuel cell stack in a coolant circulation path such that the air is heated by waste heat of the coolant discharged from the fuel cell stack. | 05-17-2012 |
20120121448 | ELECTRIC PUMP FOR VEHICLE - An electric pump for a vehicle is disclosed. An electric pump for a vehicle, which is disclosed, may include a pump body that is divided into a motor room and a pump room, a shaft that is connected to the motor room and the pump room and a sealing unit is interposed therebetween, and an impeller that is mounted on the shaft in the pump room. More specifically, a leachate exhaust passage for exhausting leachate that is leaked through the sealing unit is formed in the pump body, and the leachate exhaust passage is connected to a reaction gas exhaust portion of a fuel cell stack to aide in the exhaust of the leachate accordingly. | 05-17-2012 |
20120122000 | HEATING CONTROL METHOD FOR FUEL CELL VEHICLE - The present invention provides a heating control method for a fuel cell vehicle, in which an additional heating source is used together with a typical electric heater to reduce power consumption and increase fuel efficiency as compared to the sole use of the electric heater. For this purpose, the present invention provides a heating control method for a fuel cell vehicle which comprises an electric heater for heating air supplied to the interior of the vehicle, and a heater core provided in a coolant line for cooling a fuel cell stack and heating the air supplied to the interior of the vehicle by heat exchange with the coolant discharged from the fuel cell stack. The method comprises: detecting a state of charge (SOC) of a battery when the interior temperature is lower than a predetermined temperature set by a driver and, if the SOC of the battery is above a predetermined lower limit, heating the interior of the vehicle by operating the electric heater by the power of a battery; heating the interior of the vehicle by operating the electric heater by the power generated by the fuel cell stack, if the SOC of the battery is below the lower limit; heating the interior of the vehicle using both the heater core and the electric heater, if the temperature of the coolant is above a predetermined temperature at which the fuel cell stack does not reach a normal operating temperature; and heating the interior of the vehicle using only the heater core while turning off the electric heater, if the temperature of the coolant is increased above a normal operating temperature of the fuel cell stack. | 05-17-2012 |
20120122003 | FUEL CELL COOLING SYSTEM OF FUEL CELL FOR VEHICLE - The present invention relates to a fuel cell cooling system for a vehicle comprising: a cooling water circulating loop formed to cool a fuel cell stack where a plurality of fuel cells are stacked. The cooling water circulating loop includes: a plurality of cooling water introducing ports through which cooling water passing through the stack is introduced; a plurality of cooling water discharging ports corresponding to the plurality of cooling water introducing ports and through which the cooling water which has passed through the stack is discharged; and a plurality of cooling water channels connecting the plurality of cooling introducing ports and the plurality of cooling water discharging ports. Notably, cooling water flows in different directions in the plurality of cooling water channels. | 05-17-2012 |
20120129067 | COOLING WATER SUPPLY SYSTEM AND COOLING WATER SUPPLY METHOD FOR FUEL CELL SYSTEM - The present invention relates to a cooling water supply system and a cooling water supply method for a fuel cell system in which a temperature difference in a fuel cell stack is prevented from increasing due to a rapid increase of a power output required in the stack by detecting a requested/demanded output. According to the present invention, a temperature difference in the stack due to a rapid increase in a power output demanded by the fuel cell stack is prevented from being rapidly increased by detecting a requested output (e.g., an amount an accelerator pedal is pushed, etc.) to calculate a power output required by the stack, calculating a predicted amount of generated heat depending on a required power output, and calculating a flux of supplied cooling water corresponding to the predicted amount of generated heat to control a flow rate of a cooling water supplier. | 05-24-2012 |
20120145280 | APPARATUS FOR INJECTING COOLANT FOR FUEL CELL VEHICLE - An apparatus for injecting a coolant for a fuel cell vehicle is provided. More specifically, a coolant tank stores a coolant and a coolant pump, disposed in a coolant supply line connecting the coolant tank and the stack cooling loop is configured to pressure-transfer the coolant to the stack cooling loop, and circulating the coolant, which has passed through the stack cooling loop, to the coolant tank. A bubble elimination unit, disposed at a rear stage of the coolant pump in the coolant supply line, eliminates the bubbles in the fuel cell stack through vibration. This bubble elimination unit may be configured as an ultrasonic wave excitor for exciting the stack cooling loop with ultrasonic waves. | 06-14-2012 |
20120145550 | APPARATUS FOR REMOVING IONS IN COOLING WATER FOR FUEL CELL VEHICLE - Disclosed is an apparatus for efficiently removing ions contained cooling water used in cooling a fuel cell stack. More specifically, the present invention removes ions by trapping ions contained in cooling water using a permeable membranes capable of making ions selectively pass therethrough and electrodes which are configured to attract ions. The present invention can reduce electric power consumption in pump and can modify the overall performance of the system to cope with various environmental conditions. | 06-14-2012 |
20130108490 | ELECTRIC WATER PUMP WITH A CANNED MOTOR | 05-02-2013 |
20130119818 | CANNED MOTOR FOR REDUCING COGGING TORQUE - Disclosed is a canned motor for restraining a cogging torque from being generated by inserting magnetic metal pins into slot openings of a stator, thereby reducing noise and vibrations during an operation of the canned motor. The canned motor includes: a can inserted into a housing to seal a coil mounted within the housing; and a stator installed on an outer peripheral surface of the can and inserted along an inner peripheral surface of the housing. A plurality of fixing guides protrude from an outer peripheral surface of the can and metal pins are inserted into the fixing guides to be integral with the fixing guide, such that the metal pins are inserted into and attached to slot openings of the stator when inserted into the stator. | 05-16-2013 |
20140127600 | COOLING APPARATUS FOR FUEL CELL - A cooling apparatus for a fuel cell is provided. The cooling apparatus for a fuel cell includes a reservoir that is configured to store a coolant and an ion filter assembly that is integrally installed at the reservoir and configured to remove bubbles in the coolant. | 05-08-2014 |
20150023816 | CANNED-MOTOR PUMP FOR VEHICLE - A canned motor pump is provided that includes a rotor of a motor and a shaft shaped as a bar. The shaft penetrates through and is coupled with the rotor. A bearing is shaped as a circular cylinder, and is coupled to an upper side of the rotor. Further, the shaft penetrates through the bearing. A housing surrounds the rotor and the bearing to expose an upper end of the bearing and to house the rotor and the bearing within the housing. | 01-22-2015 |
20150023817 | CANNED-MOTOR PUMP FOR VEHICLE - A canned motor pump that includes a pipe-shaped can part which accommodates a rotor, a plurality of supports protruding radially outward from sides of the can part, and a plurality of the split cores each of which is inserted inside a corresponding support of the supports. Each distal end of the split cores extends in a direction toward a corresponding insulator part. A plurality of insulator parts are respectively formed on distal ends of the supports. An annular outer ring surrounds the outer circumference of the insulator parts. The inner circumference of the outer ring adjoins to exposed outermost ends of the split cores. Coils then are wound on the supports to provide a can motor pump with fewer parts and better performance. | 01-22-2015 |