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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
06/16/16
20160172696 
 Methods for determining anode integrity during fuel cell vehicle operation patent thumbnailMethods for determining anode integrity during fuel cell vehicle operation
A system and methods are provided for testing anode integrity during vehicle operation. In one example described, the system and methods allow for anode leak tests during vehicle operation based on a flow of hydrogen into a fuel cell, the flow of hydrogen into the fuel cell maintaining the vehicle power while the leak test is performed.
Ford Global Technologies, Llc


06/16/16
20160172690 
 Ion filter life perception device for fuel cell vehicle patent thumbnailIon filter life perception device for fuel cell vehicle
An ion filter life perception device for a fuel cell vehicle is provided to detect a replacement life of a fuel cell ion filter cartridge. The device includes a body part that is installed within an ion filter and has an ion resin filled therein.
Hyundai Motor Company


06/16/16
20160171797 
 Control  hydrogen leak determining system of fuel cell vehicle patent thumbnailControl hydrogen leak determining system of fuel cell vehicle
A system control method is provided for measuring a distance between a smart key and a vehicle. When the distance between the smart key and the vehicle is changed based on a predetermined distance whether a hydrogen leak occurs is detected by a hydrogen sensor detection controller.
Kia Motors Corporation


06/16/16
20160167546 
 Hydrogen exhaust  fuel cell vehicle patent thumbnailHydrogen exhaust fuel cell vehicle
An apparatus is provided for safely discharging hydrogen permeated and leaking from a fuel tank of a fuel cell vehicle. The hydrogen exhaust apparatus for a fuel cell vehicle collects and safely processes hydrogen permeating a tank, and quantitatively detects the hydrogen transmissive amount.
Hyundai Motor Company


06/09/16
20160164127 
 Control method and system of fuel cell system patent thumbnailControl method and system of fuel cell system
A control method and system of a fuel cell system is provided. The control method includes detecting, by a controller, a voltage of a fuel cell stack when power generation of a fuel cell is stopped while a fuel cell vehicle is being driven.
Hyundai Motor Company


06/09/16
20160164126 
 Device and  monitoring dryness of fuel cell stack patent thumbnailDevice and monitoring dryness of fuel cell stack
A device and a method for monitoring dryness of a fuel cell stack can accurately determine whether the fuel cell stack is dry or not, to ensure smooth operation and performance of the fuel cell stack during operation of a fuel cell vehicle. The device includes a voltage sensing unit that monitors voltage of the fuel cell stack in real time; a current sensing unit that monitors current of the fuel cell stack in real time; a counting unit that compares the monitored voltage with a standard current-voltage performance curve; and a stack dryness determining unit that determines that the fuel cell stack is dry when a count determined by the counting unit is a standard level or more..
Hyundai Motor Company


06/09/16
20160164117 
 Coolant bypass structure patent thumbnailCoolant bypass structure
A coolant bypass structure includes a main loop forming a channel in which coolant circulates; a bypass loop connected to the main loop and forming a selective bypass channel; and a stack bypass valve provided between the main loop and the bypass loop to open and close the bypass loop according to a predetermined temperature, and provided with an outlet temperature sensor. The coolant bypass structure may improve marketability by decreasing the starting time of the fuel cell vehicle in a frozen state and improve power efficiency..
Kia Motors Corporation


06/09/16
20160159248 
 Exhaust port structure of fuel cell vehicle patent thumbnailExhaust port structure of fuel cell vehicle
An exhaust port structure of a fuel cell vehicle includes a re-circulation fluid passage mounted on an upper portion of an exhaust pipe so as to be arranged parallel to the exhaust pipe, and a mixing pipe mounted on an end of the exhaust pipe and through which external air is suctioned. When a concentration of hydrogen in exhaust gas exceeds a reference value, hydrogen is re-circulated into the exhaust pipe via the re-circulation fluid passage and mixed with external air through the mixing pipe before being exhausted to outside.
Hyundai Motor Company


06/09/16
20160159211 
 Fuel cell vehicle patent thumbnailFuel cell vehicle
A fuel cell vehicle includes a front compartment, a cowl top, a hood, and a blocking member. The front compartment is provided in front of a dashboard.
Honda Motor Co., Ltd.


05/19/16
20160141863 
 Safety apparatus of fuel cell vehicle and  controlling the safety apparatus patent thumbnailSafety apparatus of fuel cell vehicle and controlling the safety apparatus
A safety apparatus uses a fuel cell and a high voltage battery as a power source, and includes: a first voltage sensor that measures a voltage of a positive side of a voltage bus; a second voltage sensor that measures a voltage of a negative side of the voltage bus; and a controller that determines an electrical insulation between the positive side of the voltage bus and the electrical chassis based on the voltage of the positive side of the voltage bus and determines an electrical insulation between the negative side of the voltage bus and the electrical chassis based on the voltage of the negative side of the voltage bus.. .
Hyundai Motor Company


05/19/16
20160141704 

Manifold block assembly for fuel cell vehicles


A manifold block assembly for a fuel cell vehicle mounted on a fuel cell stack and supplying air and hydrogen to the stack, includes a manifold block in which a hydrogen discharge path connected to a hydrogen line formed in the stack, an air discharge path connected to an air line formed in the stack, and a watertight bulkhead are integrally formed with each other. The manifold block assembly further includes a hydrogen inflow pipe configured to be attached to the manifold block and connected to the hydrogen line formed in the stack.
Kia Motors Corporation


05/19/16
20160141681 

Fuel cell system, fuel cell vehicle, and controlling fuel cell system


A fuel cell system installed in a vehicle includes a fuel cell that supplies power to a motor that drives the vehicle, a pump that supplies oxygen to the fuel cell, an accelerator position detector that detects an accelerator depression amount of the vehicle, and a controller that calculates required generated power of the fuel cell and required driving power of the pump, based on the accelerator depression amount. When a preset condition of causing a sharp drop in the calculated required generated power is satisfied, the controller calculates the required driving power in such a mariner that a drop rate of the required driving power becomes higher than a drop rate of the calculated required generated power, sets a lower limit to the calculated required driving power, and drives the pump in accordance with the lower limit when the required driving power is lower than the lower limit..
Toyota Jidosha Kabushiki Kaisha


05/19/16
20160141673 

Fuel cell system, fuel cell vehicle, and control fuel cell system


A fuel cell system mounted in a vehicle includes a fuel cell supplying electric power to a motor driving the vehicle, a pump supplying oxygen to the fuel cell, an accelerator position detection unit detecting an accelerator depression amount of the vehicle, and a control unit calculating electric power required to be generated by the fuel cell and electric power required for driving of the pump based on the accelerator depression amount and controlling the pump based on the electric power required for the driving, in which the control unit calculates the electric power required for the driving such that a rate of increase in the electric power required for the driving exceeds a rate of increase in the electric power required to be generated when the calculated electric power required to be generated increases.. .
Toyota Jidosha Kabushiki Kaisha


05/19/16
20160141666 

System for controlling low-temperature starting of fuel cell vehicle and the same


A system for controlling low-temperature starting of a fuel cell vehicle includes a high-pressure hydrogen flow control valve controlling a flow of hydrogen supplied to a fuel cell stack. A fuel cell controller is configured to change and control an opening rate of the high-pressure hydrogen flow control valve when an internal temperature of the fuel cell stack is a reference value or less.
Hyundai Motor Company


05/19/16
20160141661 

Air processing system of fuel cell vehicle mounted with integrated valve


An air processing system of a fuel cell vehicle mounted with an integrated valve includes: the integrated valve attached to an air inlet and an air outlet formed integrally with a fuel cell stack and adjusting amounts of air introduced into and discharged from the fuel cell stack. The integrated valve is positioned at the shortest distance from the fuel cell stack, such that an amount of remaining oxygen that is to be consumed at the time of stopping start of a fuel cell vehicle is minimized.
Hyundai Motor Company


05/19/16
20160141646 

Fuel cell vehicle coolant having improved storage stability and producing the same


There are provided a stock solution composition for fuel cell vehicle coolant used by dilution with a diluent comprising water and a method for producing the same, and further a fuel cell vehicle coolant composition having improved storage stability and a method for producing the same. The present invention relates to a method for producing a stock solution composition for fuel cell vehicle coolant, wherein the stock solution composition comprises at least one ethylene glycol compound selected from the group consisting of ethylene glycol, diethylene glycol, and triethylene glycol, and is used by dilution with a diluent comprising water, and the method comprises the following steps: (a) a step of selecting as a raw material an ethylene glycol compound having an ethylene glycol monoformate content of 60 ppm or less; or (b) a step of selecting as a raw material an ethylene glycol compound, wherein a 50% by mass aqueous solution of the ethylene glycol compound has a conductivity of 4.5 μs/cm or less after heating..
Toyota Jidosha Kabushiki Kaisha


05/19/16
20160141645 

Fuel cell system, fuel cell vehicle and control fuel cell system


A fuel cell system comprises: a fuel cell; a cooling system circuit including a cooling liquid supply path configured to supply a cooling liquid to the fuel cell, a radiator configured to cool down the cooling liquid, a radiator fan, and a cooling liquid pump provided in the cooling liquid supply path to feed the cooling liquid to the fuel cell; a controller; and a speedometer configured to obtain a speed of the fuel cell vehicle, wherein the controller is capable of performing a first cooling control that sets an upper limit value of driving amount of the radiator fan according to the speed of the fuel cell vehicle and regulates a flow rate of the cooling liquid pump or the driving amount of the radiator fan under the upper limit value of the driving amount of the radiator, so as to cool down the fuel cell.. .
Toyota Jidosha Kabushiki Kaisha


05/19/16
20160138600 

Fuel cell controlling rotational speed of air compressor


A fuel cell system includes an air compressor that supplies oxidant gas to a fuel cell installed in a fuel cell vehicle, a measured rotational speed acquirer that acquires a measured value of rotational speed of the air compressor, and a controller that calculates a rotational speed command value of the air compressor based on required generated power of the fuel cell, calculates a torque command value of the air compressor based on the calculated rotational speed command value and current rotational speed of the air compressor, and controls rotational speed of the air compressor based on the calculated torque command value. The controller estimates the current rotational speed of the air compressor baaed on the measured value of the rotational speed acquired by the measured rotational speed acquirer and a history of the calculated torque command value, and calculates the torque command value by using the estimated rotational speed..
Toyota Jidosha Kabushiki Kaisha


05/19/16
20160137097 

Fuel cell system, fuel cell vehicle, and controlling fuel cell system


A fuel cell system to be installed on a vehicle includes a fuel cell, a secondary battery, an soc detector that detects a temperature and a state of charge of the secondary battery, an accelerator position detector that detects an accelerator depressed amount, and a controller that controls power to be generated by the fuel cell. The controller includes: a required generation power calculator that calculates required generation power based on the accelerator depressed amount and the temperature and the state of charge of the secondary battery; and a maximum required power calculator that calculates maximum required power based on the accelerator depressed amount and the temperature and the state of charge of the secondary battery.
Toyota Jidosha Kabushiki Kaisha


05/19/16
20160137095 

Fuel cell vehicle and control method therefor


With a fuel cell vehicle includes a fuel cell and a secondary battery, a drive motor and a pump motor are connected to each other via an electric power line so that the drive motor and the pump motor are capable of receiving and supplying electric power with each other without involving reception and supply of electric power with the secondary battery. The control device determines an upper-limit guard value of torque of the pump motor based on a dischargeable power of the secondary battery and an output power of the fuel cell, or determines a lower-limit guard value of torque of the pump motor based on a chargeable power of the secondary battery and an output power of the fuel cell..
Toyota Jidosha Kabushiki Kaisha


05/12/16
20160133973 

Fuel cell system and operating fuel cell system


The present invention provides a system for a fuel cell vehicle, capable of preventing an unnecessary error in calculating high potential avoidance power to calculate power for high potential avoidance with high accuracy. A fuel cell system 100 includes: a fuel cell 20 that receives the supply of reactant gas to generate power; a secondary battery 50 for storing part of the power generated by the fuel cell 20; calculation means 60 which, when surplus power for high potential avoidance is added to the output voltage of the fuel cell 20 to avoid a high potential, calculates high potential avoidance voltage to avoid the high potential by feedback control based on a deviation between power generation voltage of the fuel cell 20 and high potential avoidance target voltage; determination means 70 for determining whether the operating state of the fuel cell 20 corresponds to a prohibition condition a to prohibit updating of an integral term of the feedback control or a permission condition; and feedback control condition deciding means 80 for stopping the updating of the integral term when the operating state corresponds to the prohibition condition a or updating the integral term when the operating state corresponds to the permission condition..
Toyota Jidosha Kabushiki Kaisha


05/12/16
20160133965 

Fuel cell system, fuel cell vehicle, and control fuel cell system


A fuel cell system includes: a power supply circuit including a fuel cell and a secondary battery; an oxidant gas supply flow passage; a pump; and a control unit configured to drive the pump and dilute hydrogen retained in an cathode. The control unit is configured to stop supplying an oxidant gas to the cathode by stopping an operation of the pump such that dilution of the hydrogen retained in the cathode is stopped, while the fuel cell vehicle remains stationary after a starter switch of the fuel cell vehicle is switched from an off state to an on state, or while a load required of the power supply circuit remains smaller than a predetermined value after the starter switch of the fuel cell vehicle is switched from the off state to the on state..
Toyota Jidosha Kabushiki Kaisha


05/12/16
20160129807 

Method for controlling fuel cell vehicles and fuel cell vehicles


Provided is a method for controlling a fuel cell vehicle capable of informing a user outside of the vehicle of the possibility that the fuel cell stops power generation and external power-feeding stops, whereby problems due to unexpected stopping of power feeding can be avoided. In a method for controlling a fuel cell vehicle 100 including an external power-feeding device 50, when it is determined that a state of a fuel cell exceeds a limiting point where deterioration of the fuel cell 20 or a failure of a driving device to supply fuel to the fuel cell 20 occurs during external power feeding, warning is issued to outside of the vehicle 10 before the fuel cell 20 stops power generation..
Toyota Jidosha Kabushiki Kaisha


05/05/16
20160123340 

Method of controlling air blower of fuel cell vehicle


A method for controlling an air blower of a fuel cell vehicle includes operating the air blower with a low limit revolutions per minute (rpm), which is calculated based on a vehicle hill-climbing gradient during hill-climbing, without regenerative braking. Accordingly, when reacceleration and additional acceleration are required during hill climbing of the fuel cell vehicle, the fuel cell vehicle ensures high responsibility and launching characteristics..
Hyundai Motor Company


05/05/16
20160121751 

Control starting of fuel cell vehicle


A control method and system for starting a fuel cell vehicle is provided. The method includes setting a first output power that is an output power required for driving the vehicle and beginning to increase the fuel cell temperature after setting the first output power.
Hyundai Motor Company


04/28/16
20160114793 

Fuel cell system, fuel cell vehicle, and evaluating operational failure of on-off valve


The control unit of the fuel cell system monitors the status of power generation of the fuel cell and calculates a total amount of the fuel gas consumption, based on the amount of power generated by the fuel cell, from a point in time when the supply gas pressure reaches a standard gas pressure. Another total amount of the fuel gas consumption is calculated based on a gas pressure change that corresponds to a decrease of the gas pressure from the standard gas pressure.
Toyota Jidosha Kabushiki Kaisha


03/03/16
20160064765 

Fuel 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


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


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


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


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


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


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


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


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


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.



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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