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Fuel Cell Vehicle patents



      

This page is updated frequently with new Fuel Cell Vehicle-related patent applications.




Date/App# patent app List of recent Fuel Cell Vehicle-related patents
03/03/16
20160064765 
 Fuel cell stack and fuel cell vehicle patent thumbnailFuel cell stack and fuel cell vehicle
A fuel cell vehicle includes a fuel cell stack and a housing that has first and second end plates and four side plates connecting the sides of the first and second end plates. Projections provided on the first and second end plates have openings communicating with a space formed between an inner wall of the housing and a fuel cell laminate..
Honda Motor Co., Ltd


03/03/16
20160059734 
 Fuel cell vehicle patent thumbnailFuel cell vehicle
A fuel cell vehicle includes a fuel cell, a fuel storage container, a container installation space, a fill lid box, and a fuel gas detector. The fuel cell is to generate power through an electrochemical reaction between a fuel gas and an oxidant gas.
Honda Motor Co., Ltd.


02/11/16
20160043414 
 Methods for testing anode integrity during fuel cell vehicle operation patent thumbnailMethods for testing anode integrity during fuel cell vehicle operation
A system and methods are provided for testing anode integrity during vehicle operation. In one particular example, the system and methods allow for anode leak tests during vehicle operation by temporarily reducing fuel cell power while supplementing the fuel cell power reduction with battery power to meet operating demands.
Ford Global Technologies, Llc


02/11/16
20160039308 
 Fuel cell vehicle patent thumbnailFuel cell vehicle
A fuel cell electric automobile includes a fuel cell stack, a traction motor, a first control device for controlling output of the fuel cell stack, and a second control device for controlling electrical energy supplied to the traction motor. The first control device is provided vertically above the fuel cell stack, and the second control device is provided vertically below the fuel cell stack and on a lateral side of the traction motor..
Honda Motor Co., Ltd.


02/04/16
20160036080 
 System for fuel cell vehicle patent thumbnailSystem for fuel cell vehicle
A system for a fuel cell vehicle is provided. The system includes an electrolytic cell installed to react residual hydrogen or oxygen within a stack when a fuel cell starts up and is shut down instead of an auxiliary resistor mounted on an exterior of a stack, thereby increasing stack durability.
Hyundai Motor Company


02/04/16
20160036077 
 Apparatus and  managing fuel cell vehicle system patent thumbnailApparatus and managing fuel cell vehicle system
Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information.. .
Korea Institute Of Energy Research


02/04/16
20160036072 
 Air supply device using cooling water heater of fuel cell vehicle patent thumbnailAir supply device using cooling water heater of fuel cell vehicle
An air supply device using a cooling water heater of a fuel cell vehicle can effectively reduce cold starting time of the fuel cell vehicle and effectively remove moisture in a stack in cold shut down (csd) of the fuel cell vehicle. In the air supply device, a bypass flow path is formed to be branched from a first air supply line connected between an air blower for supplying air to a fuel cell stack and a humidifier for humidifying the air supplied to the stack.
Hyundai Motor Company


02/04/16
20160032931 
 Cooling unit of air compressor for fuel cell vehicle patent thumbnailCooling unit of air compressor for fuel cell vehicle
An air compressor for a fuel cell vehicle includes a volute housing, an impeller mounted to the volute housing, and a motor driving the impeller and cooling the motor and bearings that support a rotation shaft of the motor using air at an outlet side of the impeller. The air compressor has a cooling unit including: a coolant channel provided in plural along a radial direction in a motor housing that is coupled to the volute housing and through which a coolant flows; and a cooled air channel formed between coolant channels of the motor housing and through which the air flows..
Hyundai Motor Company


01/07/16
20160006049 
 System and  controlling air blower for fuel cell vehicle patent thumbnailSystem and controlling air blower for fuel cell vehicle
A system and method of controlling an air blower for a fuel cell vehicle are provided. The method includes determining an operation amount of an air blower to secure a sufficient air flow rate under present operating conditions and obtaining information regarding clogging of an air channel or information regarding a back pressure using the operation amount of the air blower.
Kia Motors Corporation


01/07/16
20160001675 
 Power supply system and fuel cell vehicle patent thumbnailPower supply system and fuel cell vehicle
A power supply system includes a fuel cell, a power storage device, a first voltage adjusting device, a second voltage adjusting device, and a controller. The controller is to control the first voltage adjusting device and the second voltage adjusting device.
Honda Motor Co., Ltd.


12/31/15
20150380755 

Fuel cell system and fuel cell vehicle


A fuel cell system includes a fuel cell, a voltage adjustment device, a controller, and a moisture content detector. The voltage adjustment device is configured to adjust output voltage from the fuel cell and configured to apply the output voltage to a load.
Honda Motor Co., Ltd.


12/24/15
20150372329 

Fuel cell system and control fuel cell system


Fuel cell system mounting fuel cell vehicle including: fuel cells having platinum-containing catalyst as electrode catalyst; cell voltage meter configured to measure cell voltage of fuel cells; and controller controlling fuel cell system, wherein (a) cell voltage meter obtains first cell voltage in predefined idling state of fuel cells, (b) in response to changing operation state of fuel cell vehicle from driving state to stop state, controller changes operation state of fuel cells to idling state, and cell voltage meter obtains second cell voltage of fuel cells in idling state, (c) controller uses difference between first and second cell voltages to obtain recovery process voltage for recovering catalyst of fuel cells and recovery process time duration wherein cell voltage of fuel cells is kept at recovery process voltage, and (d) controller reduces voltage of fuel cells to recovery process voltage for recovery process time duration, preforming recovery process of catalyst.. .
Toyota Jidosha Kabushiki Kaisha


12/03/15
20150343903 

Safety system of fuel cell vehicle and control the same


Disclosed are a safety system of a fuel cell vehicle and a control method for the safety system. A safety system of a fuel cell vehicle using a fuel cell and a high voltage battery as a power source may include: a power switch disposed on a power wire connecting the power source and a power load to each other; an insulation resistance measuring device measuring an insulation resistance between the power wire and a chassis; and a controller controlling an operation of the power switch based on a measured insulation resistance measured by the insulation resistance measuring device.
Hyundai Motor Company


11/26/15
20150340717 

Method and system for controlling air intake of fuel cell vehicle


A method and a system are provided for controlling an air intake of a fuel cell vehicle. The method includes calculating a value for basic air intake of a fuel cell based on a driver requirement and calculating a value of motor current requirement based on the driver requirement.
Hyundai Motor Company


11/26/15
20150337971 

Fuel cell compound valve for vehicle


A fuel cell compound valve that opens and closes an inflow line and an exhaust line of a fuel cell stack for a hydrogen fuel cell vehicle includes a support frame having a first bore to which the exhaust line is connected and a second bore to which the inflow line is connected. A first rotation valve is configured to receive a driving torque of a motor installed in the support frame, rotate, and open and close the first bore.
Hyundai Motor Company


11/19/15
20150328991 

Control fuel cell vehicle


A control method for a fuel cell vehicle includes a failure determining step of determining whether or not a failure exists in a fuel cell system. A safe driving step stops an operation of the fuel cell system and drives the vehicle using only a high voltage battery system when the failure exists in the fuel cell system.
Hyundai Motor Company


11/05/15
20150318565 

System and controlling fuel cell vehicle


A system and method of controlling a fuel cell vehicle are provided. The method includes adjusting power output from a plurality of fuel cell stacks based on entire output power required by a fuel cell vehicle and a state of charge (soc) of a battery..
Hyundai Motor Company


10/29/15
20150311544 

Device for removing residual hydrogen in fuel cell


Disclosed is a device for removing residual hydrogen in a fuel cell. The device for removing residual hydrogen in a fuel cell sucks residual hydrogen gas in a fuel cell system and easily removes the sucked hydrogen gas so as to prevent a fire, an explosion, and the like which may occur due to residual hydrogen in the fuel cell system during maintenance work of a fuel cell vehicle.
Hyundai Motor Company


09/24/15
20150270562 

Fuel cell vehicle


A stack case of a fuel cell vehicle contains a fuel cell stack, and the stack case is mounted in a front room. Openings are formed at one pair of diagonal positions of an upper panel forming an upper surface of the stack case.
Honda Motor Co., Ltd.


09/03/15
20150246621 

Arrangement structure of inverter in fuel cell vehicle


An arrangement structure of an inverter in a fuel cell vehicle, capable of protecting the inverter from an impact during a vehicle collision with a simple configuration, is provided. The inverter is arranged on a frame in an inclined posture so that an outer side surface faces the power control unit and so that a hydrogen side output connector is directed downward of the power control unit, and the hydrogen side output connector and a hydrogen side wire are connected through below the power control unit..
Toyota Jidosha Kabushiki Kaisha


08/27/15
20150244010 

Method and diagnosing state of fuel cell system


Disclosed is a technique of diagnosing a state of a fuel cell system. The technique includes configuring a processor to calculate a duty ratio and an average output current, based on real-time driving data for a preset driving period, during operation of a fuel cell vehicle; obtain a reference current value from the calculated duty ratio and the calculated average output current; and determine a state of a fuel cell system by choosing a state graph corresponding to the obtained reference current value among a plurality of state graphs which vary depending on each reference current value..
Hyundai Motor Company


08/27/15
20150244006 

Fuel cell vehicle


A fuel cell vehicle is equipped with a fuel cell system including a fuel cell stack, a fuel gas unit, and an oxygen-containing gas unit. In the fuel gas unit, two or more fuel gas system members are assembled together.
Honda Motor Co., Ltd.


08/13/15
20150228953 

Battery cell spacer


Electrified vehicles such as hybrid electric vehicles (hev's), plug-in hybrid electric vehicles (phev's), battery electric vehicles (bev's), or fuel cell vehicles differ from conventional motor vehicles in that they are powered by one or more electric machines (i.e., electric motors and/or generators) instead of or in addition to an internal combustion engine. High voltage current for powering these types of electric machines is typically supplied by a high voltage traction battery system having one or more battery cells that store energy..
Ford Global Technologies, Llc


08/13/15
20150224894 

Method for diagnosing fuel cell stack


A method for diagnosing a fuel cell includes measuring a current and a voltage of a fuel cell stack while a fuel cell vehicle operates and sequentially storing the measured current and voltage. Whether or not the fuel cell vehicle operates at a constant current based on the stored current is determined.
Hyundai Motor Company


07/16/15
20150197165 

Fuel cell vehicle


A protection bar is arranged between a fuel cell casing and a dc-dc converter in the left-right direction of a fuel cell vehicle. Two fastening surfaces, each being a part of the fuel cell casing, and an fdc flange, which is a part of the dc-dc converter, are fastened and fixed to each other, with one being vertically superimposed on the other, in a space above or below the protection bar..
Toyota Jidosha Kabushiki Kaisha


07/02/15
20150188157 

3-way valve for fuel cell vehicle


A 3-way valve for a fuel cell vehicle includes a valve housing having stack, bypass port, and radiator ports. A flow control valve is disposed in the valve housing and selectively opens/closes the stack, bypass, or radiator ports by means of a motor.
Kia Motors Corporation


07/02/15
20150188156 

Thermal management fuel cell vehicle


A thermal management system and method for a fuel cell vehicle is provided. C in particular, a radiator, a 3-way valve, a pump, a heater, and a stack are all connected in that order.
Kia Motors Corporation


07/02/15
20150184759 

Valve for controlling coolant fuel cell stack coolant of fuel cell vehicle


A valve for controlling the temperature of a coolant to flow into a fuel cell stack to provide the optimum level of coolant at the appropriate temperature in order to keep the operation of the fuel cell stack stable is provided. In particular, new type of seal that can achieve maximum sealability with minimized friction force on a plunger shaft by changing the shape and structure of a seal for sealing the plunger shaft.
Kia Motors Corporation


07/02/15
20150183338 

Thermal management system for fuel cell vehicles


A thermal management system is provided which may be miniaturized and may have a reduced weight by integrating thermal management parts in a fuel cell vehicle. In particular, a new type of thermal management system integrated housing in which a housing of a pump housing part, a housing of a 3-way valve fluid part, and a bypass channel among parts of the thermal management system for a fuel cell vehicle are integrated into a single structure to reduce the size of the overall system..
Hyundai Motor Company


07/02/15
20150183337 

Temperature management system of fuel cell vehicle and method thereof


A temperature management system of a fuel cell vehicle includes a radiator, a water pump, an ion filter, a flow control valve, a state detector and a controller. The radiator is configured to emit heat generated from a fuel cell stack via cooling water, and the water pump is configured to circulate the cooling water through the system.
Kia Motors Corporation


07/02/15
20150183336 

Startup limitation fuel cell vehicle


A startup limitation method for a fuel cell vehicle. In particular, a sensor is used to determine whether or not a hydrogen inlet door of the fuel cell vehicle is opened.
Kia Motors Corporation


06/18/15
20150165928 

Technique of diagnosing fuel cell stack


A technique of diagnosing a fuel cell stack is provided. In particular, current and voltage of a fuel cell stack are measured during driving of a fuel cell vehicle and the current and voltage are sequentially stored.
Kia Motors Corporation


04/30/15
20150120111 

Method and controlling cold start of fuel cell vehicle


A method for controlling a cold start of a fuel cell vehicle includes detecting and storing temperatures at an inlet and an exit of fuel cell cooling water a plurality of times after turning-off of the fuel cell vehicle. A start sequence is controlled based on the lowest temperature of the stored temperatures and temperatures at the inlet and exit of the cooling water at a restart of the vehicle.
Hyundai Motor Company


04/23/15
20150112530 

Method and system for controlling a fuel cell vehicle


A method and system for controlling a fuel cell vehicle are provided in which a bidirectional converter monitors a state of a fuel cell vehicle in real time to improve control responsiveness in a transient state of the fuel cell vehicle. The method includes receiving, by a bidirectional converter, a command for a current limiting value in the high voltage battery from the fuel cell controller while the fuel cell vehicle is driven.
Hyundai Motor Company


04/23/15
20150111070 

Starting apparatus and fuel cell vehicle


A starting apparatus of a fuel cell vehicle includes: a fuel cell stack that supplies a driving voltage to a motor; a low voltage battery that supplies a starting voltage to an air blower; and a high voltage dc converter that boosts at least one of the driving voltage and the starting voltage and selectively transmits the boosted voltage to the motor and the air blower. A method of starting the fuel cell vehicle includes transmitting the starting voltage to the high voltage dc converter and boosting the starting voltage when entering a starting mode; driving the air blower with the boosted starting voltage; generating the driving voltage according to starting of the fuel cell stack; blocking the starting voltage to the high voltage dc converter if the driving voltage is equal to or larger than a predetermined voltage value; and supplying the driving voltage to the motor..
Hyundai Motor Company


04/16/15
20150105952 

System and controlling air supply of fuel cell vehicle


A method for controlling an air supply of a fuel cell vehicle is provided. In particular, an air supply of a fuel cell vehicle is controlled by calculating an available power which is currently being used by a vehicle; calculating a motoring request power from a driving motor, based on the calculated available power and power required by the driving motor; calculating stack request power required in the fuel cell based on a required charging request power and the calculated motoring request power, depending on a state of charge (soc) of a high voltage battery; and controlling the air supply to the fuel cell depending on the calculated stack request power..
Hyundai Motor Company


03/26/15
20150086891 

Apparatus and starting fuel cell vehicle in emergency


An apparatus and a method for starting a fuel cell vehicle in an emergency by using the blower of an air conditioning system of the vehicle are disclosed. Thus, upon failure of a high voltage system including a high voltage dc-dc converter or a high voltage battery used as a power source of an air blower during start-up of a fuel cell, air is supplied to the fuel cell so as to be started in the emergency, thereby ensuring starting efficiency of the vehicle and security to the driver in the emergency..
Hyundai Motor Company


03/19/15
20150075885 

Fuel cell vehicle


A fuel cell vehicle including a fuel cell, a traveling motor, a secondary battery, a predetermined device, an air tank, an electric air feeder, and a control unit is provided. The fuel cell is mounted to a vehicle, and at least has a pair of electrodes that pinch an electrolyte membrane, the pair of electrodes including a catalyst.
Denso Corporation


02/19/15
20150047754 

Cr-mo alloy steel composition having excellent hydrogen brittleness resistance and heat treatment of the same


Alloy steel compositions having improved resistance to hydrogen brittleness and methods of heat treating same are provided. The alloy steel compositions find applications in hydrogen storage containers, piping systems for hydrogen fuel cell vehicles, or reinforced boards for sound absorption/insulation on a multiple layers.
Hyundai Motor Company


02/12/15
20150042156 

Vehicle electric power supply control system and vehicle


To restrain deterioration of fuel cells while preventing a battery from being overcharged, a fuel cell vehicle includes a motor for providing torque to wheels, a battery for storing electric power to provide the stored electric power to the motor, and a fc stack for generating electric power to provide the generated electric power to the motor and the battery. A battery charge level determining module determines a battery charge level of the battery, and a fet is configured to connect or disconnect the fc stack to the motor and the battery.
Suzuki Motor Corporation


01/29/15
20150027796 

Fuel cell vehicle


A fuel cell vehicle is provided with a fuel cell stack and a vehicle body frame for mounting the fuel cell stack in a front box. The fuel cell stack and a frame member have portions overlapping with each other in a vehicle width direction in a plan view of the vehicle.
Honda Motor Co., Ltd.


01/15/15
20150017563 

Fuel cell unit and fuel cell vehicle


The invention relates to fuel cell unit arranged in an underfloor space of a fuel cell vehicle. The fuel cell unit includes a fuel cell that has a plurality of cells stacked together; and a cell monitor that is arranged in a side region of the fuel cell, and that monitors a state of each of the cells..
Toyota Jidosha Kabushiki Kaisha


01/08/15
20150010841 

Fuel cell vehicle


A fuel cell vehicle includes a fuel cell stack, a front side panel, and a fuel gas device. The fuel cell stack includes a plurality of fuel cells, one end and another end, a first end plate, and a second end plate.
Honda Motor Co., Ltd.


01/01/15
20150004502 

Air intake device for fuel cell vehicle


Dust and chemical substances in the air are removed by a dust/chemical substance filter (3) provided on the fuel cell stack (11) side within the intake duct (2). Furthermore, air and water are primarily separated by a water filter (4) provided in the intake duct (2) upstream by a prescribed distance in the air flow direction from the dust/chemical substance filter (3).

01/01/15
20150001839 

Rear integration of a suspension system and fuel tanks in fuel cell vehicles


A fuel cell powered vehicle fuel storage system is disclosed having a suspension system, a fuel tank, and a support system, wherein the suspension system, fuel tank, and support system cooperate to carry vehicle structural loads and the reaction loads of the suspension system and to maximize a volume of the fuel tank.. .
Gm Global Technology Operations Llc


12/18/14
20140368028 

System and emergency starting of fuel cell vehicle


A system and method for emergency starting of a fuel cell vehicle is provided. In particular, a high-voltage converter, a balance of power (bop), and a controller are included in the system.
Hyundai Motor Company


12/18/14
20140367182 

Fuel cell vehicle


In this fuel cell vehicle, a radiator, a protruding region of a casing, and a connecting bar of a fuel cell stack are arranged in a front box in the listed order from the front toward the rear in the direction in which the vehicle travels. A first end plate and a second end plate are fixed directly on a frame member via mounting members, and the frame member is fixed to a vehicle body frame.
Honda Motor Co., Ltd.


12/11/14
20140363752 

Systems and methods for controlling cabin heating in fuel cell vehicles


System and methods for controlling and optimizing coolant system parameters in a fuel cell system to obtain a requested cabin temperature in a fuel cell vehicle are presented. A method for managing a temperature in a vehicle cabin may include receiving an indication relating to a desired vehicle cabin temperature and a plurality of measured operating parameters.

12/04/14
20140358341 

Apparatus and controlling cooling of electronic components of fuel cell vehicle


An apparatus and method for controlling cooling of electronic components of a fuel cell vehicle are provided. The apparatus for controlling cooling of electronic components connected in series and parallel with a coolant loop in a fuel cell vehicle using a pump includes a monitor configured to collect measured temperature of the electronic components and a measured temperature of a coolant through a plurality of temperature sensors, and a controller configured to control the rpm of the pump based on the measured temperatures and at least one of electronic component temperature maps, a coolant temperature map and a temperature difference map representing temperature differences between the electronic components and coolant, the controller controlling the rpm of the pump using over-temperature set information and over-temperature reset information of each temperature map..

11/27/14
20140350760 

Fuel cell vehicle


An object of the present invention is to reduce power consumption in a storage apparatus that forms a control purpose power supply while making it possible to detect hydrogen, which has been leaked from a fuel cell system during running, even after stopping the vehicle. To accomplish this object, the power supply for a vehicle controller (23) is maintained by allowing a self-holding relay (35) to stay on even after turning off an ignition switch (11).

11/20/14
20140342260 

Fuel cell vehicle air-conditioning apparatus and control method thereof


A fuel cell vehicle air-conditioning apparatus includes: a cooling system that adjusts a temperature of a fuel cell; a waste heat collection unit that collects at least a part of waste heat from the fuel cell and uses the collected waste heat to heat a cabin interior of the fuel cell vehicle; and a heat creation unit that creates heat for heating the fuel cell vehicle. The fuel cell vehicle air-conditioning apparatus calculates a fuel consumption amount required for the fuel cell to generate a total power generation amount, which is a sum of a heating power generation amount and a travel power generation amount, calculates an optimum temperature, which is a temperature of the fuel cell at which the fuel consumption amount reaches a minimum, and controls the cooling system such that the temperature of the fuel cell reaches the optimum temperature..

11/20/14
20140342253 

Air blower for fuel cell vehicle


Provided is an air blower for a fuel cell vehicle in which a bypass flow amount that ensures a surge margin is used to cool a motor to improve the efficiency of the motor. More specifically, a seal is arranged on a rear of an impeller and an air-through channel through which a part of the compressed air flows into the inside of the motor from an impeller housing case by forming an air-through aperture is formed therein to cool the motor..

11/13/14
20140336855 

Method of controlling operation mode of fuel cell in fuel cell vehicle


Disclosed is a method of controlling an operation mode of a fuel cell in a fuel cell vehicle wherein, (a) when a driver-demanded torque is lower than a first torque, and a current state of charge (soc) in a battery is higher than a first soc, the operation mode of the fuel cell is converted to a stop mode, and (b) when the driver-demanded torque is higher than a second torque, or the current soc in the battery is lower than a second soc, the operation mode is converted to a start mode, wherein the second torque is higher than the first torque and the second soc is lower than the first soc.. .

11/13/14
20140335434 

Fuel cell vehicle


A fuel cell vehicle is provided which includes an exterior heat exchanger for cooling and the exterior heat exchanger for heating are arranged at a front part of the vehicle, and the exterior heat exchanger for heating is heated by the outside air used to cool the air-cooling type fuel cell stack, an intake duct and an exhaust duct are mounted at the front side and the rear side of the air-cooling type fuel cell stack, respectively, the intake duct and the exterior heat exchanger for cooling are arranged at a front side part of the vehicle so as not to overlap with each other when the vehicle is seen from the front, and the exterior heat exchanger for heating is arranged at the rear of the exhaust duct.. .

11/13/14
20140335432 

Systems and methods for estimating fuel cell states


Apparatus, methods, and systems for estimating hydrogen concentration and/or pressure in an anode compartment of a fuel cell stack in a fuel cell vehicle. In some implementations, the estimates are based on a correlation between a transient dip in voltage in response to an anode to cathode bleed event and a concentration of hydrogen in the anode compartment of a fuel cell stack.

10/23/14
20140314592 

Air blower for fuel cell vehicle


Disclosed herein is an air blower for a fuel cell vehicle using bearings. The air blower may include a volute casing, an impeller configured to include a hub and a plurality of wings formed on the outer circumferential surface of the hub and to compress air within the volute casing, a motor casing connected to the volute casing, and a motor configured to include a stator, a rotary shaft lengthily formed to penetrate the stator and configured to have a first side connected to the impeller, a rotator formed on the outer circumferential surface of the rotary shaft, a first bearing provided on the first side of the rotary shaft connected to the impeller, and a second bearing provided on a second side of the rotary shaft..

10/16/14
20140308589 

Fluid compressor and fuel cell vehicle


An air compressor as a fluid compressor includes: a suction port and a delivery port provided at upper and lower portions, respectively, of a pump chamber; a suction passage in communication with the inside of the pump chamber via the suction port; a delivery passage in communication with the inside of the pump chamber via the delivery port; and a driving rotor and a driven rotor provided in the pump chamber. At least a part of the suction passage is located below the suction port..

10/02/14
20140295307 

Fuel cell system


A fuel cell system comprises: noise detection means for detecting the magnitude of noise in a driver's cabin of a fuel cell vehicle in which the fuel cell system is installed; and a control apparatus for controlling the operation of auxiliary machines. The control apparatus performs high-potential avoidance control to increase electric power consumed by the auxiliary machines so that a power-generation voltage of a fuel cell 1 becomes equal to or lower than a predetermined value, based on noise detected by the noise detection means..

10/02/14
20140295305 

Fuel cell vehicle and moving body


A data signal accurately reflecting the actual state of a storage vessel is sent to a station side. A fuel cell system (1) includes a hydrogen supply line (32) that connects a tank main body (311) and a fuel cell stack (2), and a main stop valve provided to the hydrogen supply line (32).

09/25/14
20140288737 

Method and system for controlling power of fuel cell vehicle


A method of controlling power of the fuel cell vehicle includes dividing an expected driving path of the fuel cell vehicle into a plurality of sections and setting the plurality of sections according to a gradient, and comparing whether a predicted battery state of charge variation is within a battery charging/discharging allowance range for each of the plurality of divided sections the method further includes comparing predicted power with a predetermined maximum allowance power for each of the plurality of divided sections, and setting the plurality of divided sections as a battery charging/discharging prohibition section and a battery charging/discharging allowance section in advance according to a result of the comparison of the predicted battery state of charge variation and the predicted power.. .

09/18/14
20140277880 

Moving body


A fuel cell vehicle is provided that can perform communicative filling only in a case in which it is possible to perform communicative filling appropriately. The vehicle includes: a pressure sensor and temperature sensor; a communication system that transmits data signals generated based on the outputs of these sensors; a battery; a lidded box that protects a hydrogen feed port; a lid switch; and a communicative filling ecu that activates the communication system after the lid has been opened.

09/11/14
20140255810 

Fuel cell power control by offset estimation


A system and method for managing power flow in a fuel cell vehicle. The method provides a difference between a power limit signal and an actual power signal to a pi controller to generate a power offset signal.

09/04/14
20140249959 

Vehicle evaluation device and vehicle evaluation method


Various forms of vehicle driving energy are provided for vehicles, such as gasoline vehicle, hybrid vehicle, ethanol vehicle, electric vehicle and fuel cell vehicle. In such circumstances, an index is desired by vehicle purchasers, which has a viewpoint on the benefit to be obtained by using an electricity storing section of a vehicle for other than running the vehicle, and with which the economic efficiencies of those vehicles can be more clearly compared/examined, in the correlation between the prices of the abovementioned vehicles using various vehicle drive energy modes, and the fuel consumption and the drive energy consumption costs thereof.

09/04/14
20140247053 

Method of utilizing power transistor of fuel cell stack diagnostic system


A method and an apparatus using a power transistor in a fuel cell stack diagnostic system provides an apparatus using a power transistor in a fuel cell stack diagnostic system. The apparatus includes a regenerative braking detector that detects regenerative braking of a fuel cell vehicle equipped with a fuel cell stack diagnostic system; a voltage rise determiner that determines whether a voltage rise due to regenerative braking of a fuel cell vehicle is a predetermined value or more; and a power transistor controller that controls an ac signal generator so that the voltage due to the regenerative braking is discharged by the power transistor, when the voltage rise due to regenerative braking determined by the voltage rise determiner is a predetermined value or more..

08/14/14
20140224562 

Fuel cell vehicle


An object of the present invention is to efficiently mount a fuel cell system below a floor of a vehicle rear portion and to protect the fuel cell system when a forward impact force acts on a vehicle rear portion. To achieve this, a fuel cell vehicle in which a fuel cell system includes a gas tank is configured to store a fuel gas and a fuel cell unit formed by integrating a fuel cell stack, an intake duct, and an exhaust duct, the gas tank is disposed in a space below a rear floor connected to a front floor via a vertical wall portion and adjacent to the vertical wall portion, and the fuel cell unit is disposed behind the gas tank.

07/03/14
20140185243 

Heat sink-integrated double-sided cooled power module


A power module for an inverter that is used in an eco-friendly vehicle, such as a hybrid vehicle, an electrical vehicle, or a fuel cell vehicle, i.e., a heat sink-integrated double-sided cooled power module in which cooling efficiency is maximized by adopting a double-sided direct cooling method that uses a heat sink manufactured by an extrusion method. In particular, the heat sink is disposed in upper and lower portions of the power module, and direct bonding materials (dbms) are deposited between the upper and lower heat sinks where a chip is interposed between the dbms.

07/03/14
20140184121 

Motor torque control apparatus and method


A motor torque control apparatus and method are provided for reducing jolting and noise caused by an acceleration or tip-in operation in an electric or fuel cell vehicle and for improving response to acceleration by the acceleration or tip-in operation. The motor torque control apparatus includes a limiter operative to limit a slew rate of a final torque signal applied to a motor of the vehicle based on a maximum slew rate selected from one of two previously-input slew rate variable maps.

07/03/14
20140183940 

Emergency start device of fuel cell vehicle


An emergency start device of a fuel cell vehicle having a motor as a driving source is provided and includes a fuel cell that supplies power to a motor and an air blower that supplies air to the fuel cell. A high voltage battery supplies power to the air blower and a direct current (dc) converter increases an output of the high voltage battery to transfer the output to the air blower.

06/26/14
20140176081 

Boost control boost converter


A boost control method and system for a boost converter by which a stability of parts is secured when a fuel cell vehicle is started up, and the number of parts is reduced by eliminating an additional hardware construction such as a pre-charge relay. The boost control method includes analyzing a battery state before a boost, and determining a normal state and when the battery state is normal, a processor executes a first boost mode via the boost converter to primarily boost up a voltage of a bus terminal.

06/19/14
20140172210 

Apparatus and compensating for motor velocity of fuel cell vehicle


A method and apparatus that compensates for a velocity of a motor of fuel cell vehicle when a resolver is determined to have failed is provided. In particular, a wheel velocity sensor is configured to detect a wheel velocity of a driving wheel, and an abs controller is configured to calculate an average wheel velocity and transmit the calculated average to a fuel cell controller (fcu).

06/19/14
20140170530 

Fuel cell vehicle


A fuel cell vehicle includes a fuel cell, a storage device, a receptacle, a housing, and a vehicle side communication device. The housing has a bottom wall recessed from a surface of a body of the fuel cell vehicle by a predetermined depth.

06/19/14
20140167712 

Method and controlling converter in full cell vehicle


A method and apparatus for controlling a converter of a fuel cell vehicle that uses a power control value generated based on an inverter dc terminal voltage as a reference value, and generates a current reference signal based on the reference value is provided. More specifically, the method and apparatus output a final reference signal that generates a pulse width modulation (pwm) signal by compensating for the current reference signal based on output terminal current of the converter.

06/19/14
20140167658 

Method of controlling air blower of fuel cell vehicle


A system and a method of controlling a blower of a vehicle. The method includes detecting, by a controller, a turning of a key to an off position of the vehicle.

06/12/14
20140157819 

Apparatus for supplying air of fuel cell vehicle


An apparatus that efficiently supplies air to a fuel cell within a vehicle. In particular, a compressor compresses air and supplies a first portion of the compressed air to an evaporator and a second portion to a heat exchanger.

05/01/14
20140120438 

Systems and methods for enhancing fuel cell vehicle startup


Methods and systems for enhancing the performance of fuel cells in fuel cell vehicles. Some embodiments comprise a current control module for controlling the application of a load to the fuel cell and a voltage monitoring module for monitoring one or more voltages within the fuel cell.

05/01/14
20140117104 

Air conditioner for vehicle


An air conditioner for a vehicle includes: a heater core which heats air for air-conditioning by using cooling water of a cooling circuit which cools a fuel cell of a fuel cell vehicle or an engine of a hybrid car as a heat source; a heat exchanger arranged upstream of the heater core in a flow of the air for air-conditioning to heat the air for air-conditioning by using refrigerant which flows through a heat pump cycle as a heat source; and a control part which controls operation of the heat pump cycle in a manner that a target temperature of the air for air-conditioning heated by the heat exchanger is changed in accordance with a temperature of the cooling water.. .

04/24/14
20140113161 

Fuel cell vehicle


A fuel cell vehicle (1) includes: a fuel cell (11); a storage battery (17); a power control unit (10), electrically connected to the fuel cell (11) and the storage battery (17), for controlling electric power in the vehicle (1); a power distribution unit (16), provided on an electrical path between the storage battery (17) and the power control unit, for distributing the electric power from the storage battery; and power-generation auxiliary machines (15) which are electrically connected to the power distribution unit (16) and to which the electric power, distributed by the power distribution unit (16), is supplied for performing operation for electric power generation by the fuel cell (11). The power distribution unit (16) and the power control unit (10) are connected directly without use of a harness..

04/03/14
20140093805 

Solid oxide fuel cell stack with uniform flow distribution structure and metal sealing member


9. A fuel cell vehicle comprising the fuel cell system of claim 8..

03/27/14
20140089064 

Systems and methods for transferring electrical energy between vehicles


Motor vehicles may need to exchange electrical energy. The vehicles may negotiate a quantity to be transferred, a price for the transferred energy, transfer parameters for the exchange, and/or the like.

03/27/14
20140088804 

Systems and methods for transferring electrical energy between vehicles


Motor vehicles may need to exchange electrical energy. At least one vehicle may determine a target charge state.

03/20/14
20140080024 

Electric power supply system


There are provided: a power supply provided with a fuel cell; a fuel cell vehicle; an inverter device capable of supplying electric power that is supplied from the fuel cell to an external load; a radiator; a radiator fan; a dryness detection device that detects a dry condition of the fuel cell; and an ecu that control supply of electric power to the external load. The ecu drives the radiator fan when the dryness detection device detects dryness of the fuel cell while electric power is being supplied from the fuel cell to the external load..

03/20/14
20140080022 

Apparatus and managing fuel cell vehicle system


Provided are an apparatus and a method for managing a fuel cell vehicle system, and more particularly, an apparatus and a method for managing a fuel cell vehicle system capable of optimally maintaining a driving method based on environmental information and product information.. .

02/27/14
20140057189 

Fuel cell startup apparatus and method


Disclosed is a fuel cell startup apparatus and method, particularly, a fuel cell startup method, by which in an emergency situation such as when a high-voltage battery mounted on a fuel cell vehicle is completely discharged, fuel cell startup can be achieved without assistance of a high-voltage power source. To this end, an air supply port, which is connected to an emergency air supplier, is formed on an air supply line configured to supply air to a cathode of a fuel cell stack, and the emergency air supplier supplies the air to the fuel cell stack when complete discharge of a high-voltage battery and is removably engaged to the air supply port..

02/27/14
20140055123 

Motor power simulating fuel cell power module evaluation


Disclosed is a motor power simulating apparatus for fuel cell power module evaluation that accurately reflects real world characteristics of a fuel cell vehicle. More particularly, the power simulating apparatus disclosed herein includes a fuel cell power module, a ripple current generator, and an electronic load device, the ripple current generator connected to the fuel cell power module and the electronic load device to accurately simulate power output from a fuel cell of a fuel cell vehicle under real world conditions..

02/27/14
20140054296 

Rear integration of a suspension system and fuel tanks in fuel cell vehicles


A fuel cell powered vehicle fuel storage system is disclosed having a suspension system, a fuel tank, and a support system, wherein the suspension system, fuel tank, and support system cooperate to carry vehicle structural loads and the reaction loads of the suspension system and to maximize a volume of the fuel tank.. .

02/13/14
20140045090 

Fuel cell vehicle


An object is to supply a sufficient amount of air to a fuel cell stack in a fuel cell vehicle when the fuel cell stack is mounted below a floor, the fuel cell stack configured to draw in air through an intake duct and discharge air to the exterior through an exhaust duct. An air introduction surface (26) faces upward or downward in a vehicle upper and lower direction, an intake passage portion (30) of the intake duct (28) extends along the air introduction surface (26) and vertical walls (31, 32) of left and right end portions of the fuel cell stack (11) while a pair of air introduction ports (33, 34) opens in left and right end portions of the intake passage portion (30), and an exhaust passage portion (39) of the exhaust duct (29) extends along an air discharge surface (27) and vertical walls (40, 41) of front and rear end portions of the fuel cell stack (11) while a pair of air discharge ports (42, 43) opens in front and rear end portions of the exhaust passage portion (39)..

02/06/14
20140038072 

Device and detecting coolant level in thermal management system for fuel cell vehicle


Disclosed are a device and method for detecting the coolant level in a thermal management system for a fuel cell vehicle, which can accurately and rapidly detect the lack of coolant using a detection value of a pressure sensor. That is, the present invention provides a device and method for detecting the coolant level in a thermal management system for a fuel cell vehicle, which can accurately and rapidly monitor the lack of coolant by calculating in real time the lack of coolant based on a change in slope value and a change in amplitude of a detection value of a pressure sensor according to the flow of coolant while the pressure sensor is mounted in a coolant line connected to an inlet of a fuel cell stack and a reservoir is connected to a pressure cap of a radiator..

01/23/14
20140020968 

Fuel cell vehicle


An object of the present invention is to efficiently heat a vehicle cabin of a fuel cell vehicle by utilizing heat of air discharged from a fuel cell stack. In a fuel cell vehicle in which an exhaust duct configured to discharge air from a fuel cell stack is arranged below a floor, the exhaust duct includes: a lower surface wall facing at least a lower surface of the floor with a predetermined gap therebetween; and a pair of side walls extending from right and left side portions of the lower surface wall toward the lower surface of the floor, and the floor is configured to be heated by the air flowing in the exhaust duct..

12/26/13
20130344410 

System and operating fuel cell system


Disclosed is a system and method for operating a fuel cell system, which improves durability of a fuel cell stack by purging oxygen diffusing into an air electrode of the fuel cell stack while the fuel cell vehicle is parking. That is, the present invention provides a system and method for operating a fuel cell system, which prevents an interface between oxygen and hydrogen from forming at an anode by periodically supplying hydrogen to a cathode to purge oxygen when the oxygen concentration is greater than a predetermined level to prevent oxygen in the air from diffusing into the cathode while parking the fuel cell vehicle, thus preventing durability of a membrane electrode assembly of a fuel cell stack from deteriorating..

12/26/13
20130341114 

Fuel cell vehicle


In a fuel cell vehicle, the power generation amount of a fuel cell into which air is introduced from a front side of a vehicle and from which air is discharged to a rear side of the vehicle is increased while the fuel cell is protected when an impact force acts on the vehicle. A fuel cell case (24) is arranged in a cage-shaped sub frame (32) surrounding a front, rear, left, and right side portions of the fuel cell case (24), a drive unit (7) formed by coupling a drive motor (5) and a gear box (6) to each other is joined to a rear side portion of the sub frame (32), and left and right end portions of the sub frame (32) and the drive unit (7) are supported on a vehicle body (15) respectively by mounting devices (33, 34, 35)..

12/05/13
20130323540 

Fuel cell system and vehicle equipped with the same


The invention aims to reduce degradation of the power generation performance of a fuel cell during a prolonged high load operation with high effectiveness. A fuel cell vehicle correlates the dryness of an electrolyte membrane to the cell temperature, while performing power generation control of a fuel cell based on a power demand for a driving motor.



Fuel Cell Vehicle topics: Fuel Cell Vehicle, Fuel Cell Stack, Fuel Cell System, Rotary Valve, Transfer Rate, Ventilation, Interrupts, Communication System, Continuation, Electric Vehicle, Polynomial, Temperature Measurement, Longitudinal Direction, Downstream, Exhaust Gas

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