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Having an adsorbent canister

Subclass of:

123 - Internal-combustion engines

123434000 - CHARGE FORMING DEVICE (E.G., POLLUTION CONTROL)

123518000 - Having fuel vapor recovery and storage system

Patent class list (only not empty are listed)

Deeper subclasses:

Class / Patent application numberDescriptionNumber of patent applications / Date published
123520000 Purge valve controlled by engine parameter 133
Entries
DocumentTitleDate
20130042838HYDROCARBON STORAGE CANISTER - A system for a vehicle is provided herein. The system includes a fuel vapor canister comprising a shell, a compression plate within the shell and an end cap. The end cap includes a double sided spring interface and a double sided shell sealing surface having double sided identical grooves, only one of which is sealed to the shell. The system further includes a spring coupled to the compression plate and only one spring interface.02-21-2013
20120160219Device for ventilating and aerating a fuel tank - A device for ventilating and aerating a fuel tank includes a tank shut-off valve and two tank pressure control valves. One of the tank pressure control valves opens in response to an overpressure in the fuel tank and the other one of the tank pressure control valves closes in response to a negative pressure in the fuel tank. A valve unit which is formed from one or multiple of the valves is mountable vertically or horizontally and has a fuel connection which communicates with the fuel tank and a filter connection which communicates with an activated carbon filter. The two connections are generally oriented parallel and point downwards in vertical mounting position of the valve unit and in sideward direction(s) in horizontal mounting position of the valve unit and are arranged at or near the bottom side of the valve unit.06-28-2012
20120160218Fuel system - A fuel system in particular of a motor vehicle, includes a fuel tank and a ventilation device for ventilating the fuel tank. The ventilation device has at least one separation device which has a temporary accumulator for liquid fuel. The separation device is made at least in part of a porous material and/or is filled with the porous material.06-28-2012
20100154755VAPORIZED FUEL PROCESSING DEVICE AND METHOD - In vaporized fuel processing device and method, an adsorption material provides a canister and configured to once hold the vaporized fuel generated in a fuel tank into the adsorption material within the canister, the canister into which an intake air pressure of an engine used for purge air being introduced when the engine is operated and purge air purging fuel corresponding to vaporized fuel from the adsorption material to be supplied to the engine; an electric heater configured to variably control an electric power supplied to the heater in accordance with a purge air quantity to be introduced within the canister.06-24-2010
20090194076Reducing Fuel-Vapor Emissions by Vortex Effect - A system for managing fuel vapors generated in a fuel system of a vehicle, the fuel system including a fuel tank includes a flow separator comprising an inlet to which a gas flow having fuel vapors is admitted, at least two outlets, and an internal cavity, the inlet, the outlets, and the internal cavity configured to separate the gas flow, with at least one outlet flow becoming warmer and at least one outlet flow becoming cooler than the inlet flow; a first path coupling the warmer outlet to an engine of the vehicle; a second path coupling the cooler outlet to the fuel tank; and a third path coupling the fuel tank to the inlet.08-06-2009
20100037869Fuel supply system for vehicle - A fuel supply system for a vehicle may include a fuel tank including a mounting portion protruding downwards from an upper inner surface of the fuel tank, a fuel limit vent valve and a rollover valve that is connected with the fuel limit vent valve within the fuel tank, and a mounting plate connecting the fuel limit vent valve and the rollover valve and configured to be mounted onto the mounting portion of the fuel tank.02-18-2010
20090159055CANISTER STRUCTURE - A branch pipe is coupled to a middle portion of an outside-air connection pipe. A fresh-air inlet of the branch pipe opens into the outside air. A check valve is provided in the branch pipe. The check valve restrains air in the outside-air connection pipe from flowing out into the outside air via the branch pipe and allows the outside air to flow into the outside-air connection pipe via the branch pipe when an inside pressure of the outside-air connection pipe decreases to a specified negative pressure. The fresh-air inlet of the branch pipe is positioned at a specified level higher than a fresh-air inlet of the outside-air connection pipe and disposed in a space formed between wheel house panels and a mud guard.06-25-2009
20130133629CONTROL OF THE TEMPERATURE OF ADSORBENT MATERIALS IN A CANISTER - A method for cooling an adsorbent material filled in a housing of an adsorbent-canister in a vehicle. The vehicle preferably has a cooler and a fuel door. The method may include the steps of detecting an opened or closed state of the fuel door, and when the fuel door is open, starting the cooler in order to cool the adsorbent material.05-30-2013
20080308076Aircraft Fuel Tank Assembly - An aircraft fuel tank assembly includes a tank for holding fuel, a canister and a fuel pump assembly. The fuel pump assembly includes: an electric motor, a pump and an electronics unit. The electronics unit and canister are arranged so that, in use, a dry bay is defined between the electronics unit and the canister.12-18-2008
20090044785Vehicle, In Particular A Motor Vehicle With A Tank Ventilation System - The invention relates to a motor vehicle, with a fuel tank which has tank ventilation, the tank ventilation for adsorption of fuel vapors having an activated charcoal filter through which a flushing air flow can flow, and with a vehicle unit which has a vacuum pump, in particular a brake booster. It is provided that the delivery side of the vacuum pump produces compressed air for driving the flushing air flow and/or that the compressed air forms the flushing air flow.02-19-2009
20120186563CANISTERS - A canister has a canister case, an adsorbent chamber defined in the canister case, and an adsorbent disposed in the adsorbent chamber. The adsorbent can adsorb fuel vapor as the fuel vapor flows through the adsorbent chamber in a first direction. On the other hand, the adsorbent allows desorption of fuel vapor as air flows through the adsorbent in a second direction opposite to the first direction. The adsorbent chamber includes a first adsorbent chamber and a second absorbent chamber communicating with each other. The first adsorbent chamber is disposed on an upstream side of the second adsorbent chamber with respect to the first direction. The adsorbent includes a first adsorbent disposed in the first adsorbent chamber and a second adsorbent disposed in the second adsorbent chamber. A desorption promoting device is disposed in the second adsorbent chamber and can promote desorption of fuel vapor from the second adsorbent.07-26-2012
20100095937SYSTEM AND METHOD FOR VENTING FUEL VAPORS IN AN INTERNAL COMBUSTION ENGINE - An evaporative venting system for use in an internal combustion engine and a method for venting fuel vapors are disclosed. The evaporative venting system includes a containment chamber at least in indirect communication with a fuel tank and a passageway defined within the containment chamber and having an inlet opening and an outlet opening. The inlet opening is at least indirectly in communication with the fuel tank and the outlet opening is at least indirectly in communication with an evaporative chamber such that the passageway provides a vent path between the fuel tank and the evaporative chamber such that the vent path allows for both the venting of fuel vapors from the fuel tank and the intake of air into the fuel tank during all angles of positioning of the fuel tank.04-22-2010
20100095938FUEL VAPOR PROCESSING APPARATUS - The present invention includes a fuel vapor processing apparatus including a communication passage connecting between a first space and a second space each containing an adsorption material capable of adsorbing fuel vapor. The communication passage includes a dissipation delaying space capable of delaying dissipation or transmission of the fuel vapor between the first and second spaces. The communication passage further includes throttles positioned to oppose to each other across the dissipation delaying space.04-22-2010
20120222656FUEL VAPOR PROCESSING DEVICES - One aspect according to the present teachings includes a fuel vapor processing device including a housing having a first port for introduction of fuel vapor, a second port for introduction of negative pressure, and a third port communicating with an atmosphere. An adsorption material is disposed within the housing. In a desorption mode, fuel vapor desorbed by the adsorption material is desorbed from the adsorption material as air flows into the housing via the third port and flows out of the second port. A plurality of heaters are disposed within the housing and are arranged along a path of flow of air from the third port to the second port in the adsorption mode. A controller controls the heaters such that the heaters start to heat the adsorption material in order of the air flow direction from the third port to the second port. The controller preferably also terminates heating of the adsorption material in the same manner.09-06-2012
20100126476HERMETICALLY SEALED FUEL TANK APPARATUS - A hermetically sealed fuel tank apparatus includes a pressure-resistant fuel tank for storing a fuel therein, the pressure-resistant fuel tank being capable of holding an internal pressure equal to or higher than the atmospheric pressure, a fuel vapor inlet pipe for introducing a fuel vapor produced in the pressure-resistant fuel tank, a canister contained in the pressure-resistant fuel tank and connected to the fuel vapor inlet pipe for adsorbing the fuel vapor, a drain passage through which the canister communicates with external air, and a shutoff valve connected to the drain passage and normally closed to hermetically seal the pressure-resistant fuel tank.05-27-2010
20090241913INTAKE DEVICE FOR MULTICYLINDER ENGINE - A compact intake device for a multicylinder engine includes fuel injection valves, vacuum conduits, and purge conduits compactly disposed on throttle bodies. First and second connecting tubes are disposed on a plurality of throttle bodies of a multicylinder engine and are open into intake passages in the throttle bodies substantially perpendicularly to the axes of the intake passages. The first and second connecting tubes are disposed in sandwiching relation to fuel injection valves. Purge conduits are connected to the first connecting tubes, and vacuum conduits are connected to the second connecting tubes.10-01-2009
20090013973FUEL VAPOR STORAGE CANISTER, FUEL VAPOR ADSORBENT FOR CANISTER, AND METHOD OF PRODUCING FUEL VAPOR ADSORBENT - A fuel vapor storage canister for adsorbing fuel vapor evaporated from a fuel tank of an automotive vehicle. The fuel vapor storage canister includes a casing provided with charge and purge ports at its first end and an atmospheric port at its second end. At least first and second fuel vapor adsorbent layers are respectively located near the first and second ends of the casing. In this arrangement, the first fuel vapor adsorbent layer is larger in cross-sectional area perpendicular to flow direction of fuel vapor than the second fuel vapor adsorbent layer. The first and second fuel vapor adsorbent layers respectively include first and second granular fuel vapor adsorbents. The first granular fuel vapor adsorbent has a microporous structure, while the second granular fuel vapor adsorbent has a macroporous structure.01-15-2009
20120234301EVAPORATED FUEL TREATING DEVICE - An evaporated fuel treating device includes a chamber, closest to an atmospheric port, divided into first, second, and third compartments by a partition member having a peripheral wall and a separating wall. The first compartment has an adsorbent layer and one end in communication with the third compartment and another end in communication with a tank port. The second compartment communicates with the first compartment through a first communication portion formed at one end of the peripheral wall. One end of the second compartment communicates with the third compartment through a second communication portion provided in the separating wall, while the other end thereof is closed. The airflow resistance of a second filter covering one end of the peripheral wall and one end of the separating wall is higher than the airflow resistance of a first filter covering one end of the adsorbent layer.09-20-2012
20130206115METHODS AND SYSTEMS FOR FUEL VAPOR CONTROL - Various methods and systems are provided for reducing pressure in a fuel tank of a fuel system of an engine. In one example, cooling fluid is routed from an air conditioner of a cooling system to a vapor cooler disposed in a vapor space of the fuel tank such that fuel vapor in the fuel tank may be condensed and routed to a fuel pump for delivery to the engine, thereby reducing a fuel tank pressure.08-15-2013
20110297127DEVICE FOR TREATING EVAPORATED FUEL - In a vehicle that runs by drive power of a motor in addition to that of an engine, a device for treating evaporated fuel is provided that may heat a canister and improve desorption efficiency even in a state in which there is little exhaust heat from the engine. A vehicle is provided with a first battery and a second battery. A canister is disposed in front of the first battery and below the second battery. Because the canister is disposed near to the batteries, heat is transferred from the batteries to the canister and an adsorbing agent in the canister is heated.12-08-2011
20110315125VACUUM PORT HAVING A FLOW DISRUPTOR - An intake system is provided. The intake system including an intake manifold coupled to an engine and a vacuum port located in said intake manifold and in an air flow path downstream of a throttle body and upstream of said plurality of intake runners, the vacuum port including a molded flow disruptor including a cross-beam traversing an outlet of the vacuum port. The intake system may further include a vacuum passage coupling the vacuum port to a vehicle subsystem.12-29-2011
20100101542EVAPORATIVE EMISSIONS FILTER - An evaporative emissions filter for an engine air induction system. The evaporative emissions filter includes a hydrocarbon vapor-adsorbent member disposed within the air induction system outside the direct air flow path. A mechanism is provided for mounting the evaporative emissions filter within the air induction system. Hydrocarbon vapors present in the air induction system after engine shut-down are substantially retained in the adsorbent member until air flows through the air induction system after the engine starts.04-29-2010
20090101118FUEL SUPPLY SYSTEM WITH A GAS ADSORPTION DEVICE - Disclosed is a process of supplying a gaseous fuel from a fuel storage vessel to a secondary device.04-23-2009
20090151706FUEL VAPOR PROCESSING APPARATUS - A fuel vapor processing apparatus includes a container and an adsorption member positioned within the container. The adsorption member can adsorb a fuel vapor as a gas containing the fuel vapor flows through the adsorption member. A first electrode and a second electrode are attached to the adsorption member, so that the adsorption member can produce heat as a voltage is applied between the first and second electrodes across the adsorption member. The first and seconds electrodes are spaced from each other in a direction substantially parallel to the direction of flow of the gas through the adsorption member.06-18-2009
20090288644FUEL TANK FOR A MOTOR VEHICLE - The invention concerns a fuel tank for a motor vehicle, comprising at least one venting device which is connected to a fuel vapor filter, wherein the venting device includes at least one collecting container for receiving liquid fuel. The fuel tank is distinguished in that disposed within the collecting container is a delivery pump for emptying it into the delivery volume of the fuel tank.11-26-2009
20100083938Marine Carbon Canister - A fuel tank vent system includes a carbon canister and an engine fuel system coupled to the carbon canister. Fuel vapor discharged from a fuel tank included in the engine fuel system flows during certain conditions into the carbon canister to encounter charcoal stored in the carbon canister. Hydrocarbon material associated with the discharged fuel vapor is captured by the charcoal and a stream of cleaned vapor is discharged from the carbon canister to the atmosphere.04-08-2010
20110197861CANISTER DEVICES FOR GAS VEHICLE - A canister for a fuel vapor processor connected to a fuel tank and an engine includes a housing defining an adsorption chamber therein and an absorber being capable of adsorbing fuel vapor and filled in the adsorption chamber. The housing has an air communicating pipe communicating the adsorption chamber with the atmosphere, an introducing pipe communicating the adsorption chamber with the fuel tank and an exhaust pipe communicating the adsorption chamber with the engine. It is configured that airflow resistance in the canister along a first route between the air communicating pipe and the exhaust pipe is smaller than airflow resistance along a second route between the introducing pipe and the exhaust pipe.08-18-2011
20080251054UTILITY ENGINE - A utility engine has a cylinder body extending obliquely upward from a crankcase and a cylinder head attached to an end of the cylinder body. The utility engine has a carburetor attached to a side of the cylinder head and an air cleaner attached to a side of the carburetor opposite the cylinder head. The canister is located below the carburetor and adjacent to the air cleaner.10-16-2008
20080308075AUTOMOTIVE FUEL SYSTEM FOR SUBSTANTIALLY REDUCING HYDROCARBON EMISSIONS INTO THE ATMOSPHERE, AND METHOD - An evaporative emissions system is used in an automotive evaporative emission system including a fuel tank coupled to an automotive engine to control emission of fuel vapors to the atmosphere. The system includes an evaporative emissions canister comprising a first molded housing having a circumferential side member, a top member and a bottom member; a hydrocarbon-adsorbing material disposed therein so as to provide a vapor adsorbent chamber for adsorbing hydrocarbon fuel vapor flowing therethrough; and an auxiliary housing containing a carbon-coated reticulated material, the reticulated housing located in the fresh air line of the evaporative emissions canister for preventing fuel vapor molecules from passing through the carbon-coated reticulated material while allowing the air molecules to pass therethrough. A method is provided for preventing or reducing hydrocarbon emissions to the atmosphere.12-18-2008
20080308073EVAPORATIVE EMISSIONS CANISTER HAVING AN INTEGRAL MEMBRANE - An evaporative emissions canister for use in an automotive evaporative emission system to control emission of fuel vapors to the atmosphere. The canister includes an integrally molded housing having a circumferential side member, a top member and a bottom member; a hydrocarbon-adsorbing material disposed therein so as to provide a vapor adsorbent chamber for adsorbing hydrocarbon fuel vapor flowing therethrough; and an internal membrane located above the vapor adsorbent chamber in the fresh air side of the adsorbent chamber for preventing the fuel vapor molecules from passing through the internal membrane while allowing the air molecules to pass therethrough. The internal membrane is characterized as a cellular fibular material having physical properties sufficient to effectively cause any fuel vapor component molecules and associated pollutants to be sufficiently filtered or separated on the membrane while allowing fresh air molecules to pass freely therethrough.12-18-2008
20100275887EVAPORATIVE EMISSION CONTROL CANISTER FOR AUTOMOTIVE VEHICLE - An evaporative emission control canister for an automotive vehicle includes a canister body and a bracket for attaching the body to a structural member of a vehicle. A number of fastener sets attach the bracket to the canister body, with each of the fastener sets including a closed-end hollow core boss having a generally cylindrical wall of uniform thickness and a number of buttresses applied to an outer surface of the generally cylindrical wall. The buttresses have the same uniform thickness as the generally cylindrical wall and are molded along with the cylindrical wall as one piece with an inner portion of the canister body.11-04-2010
20080271716CANISTER ARRANGEMENT IN POWER GENERATING APPARATUS - A power generating apparatus has a frame, an engine disposed inwardly of the frame and configured to drive a generator, a fuel tank for storing fuel to be supplied to the engine, and a canister containing an adsorbent for adsorbing fuel vapor from the fuel tank. The canister includes a communicating tube, which places the canister in communication with the atmosphere. The canister is also in communication with an intake system. The canister is movably positioned in a space S between the frame and the intake system so as to prevent an increase in the size of the power generating apparatus when the canister is added to the power generating apparatus.11-06-2008
20090031997APPARATUS FOR CONTROLLING INTERNAL PRESSURE OF FUEL TANK - An adsorption/desorption device is communicated with an upper space of a fuel tank via a vapor passage. The adsorption/desorption device is configured to selectively adsorb or desorb air components contained in vapor. The adsorption/desorption device and the vapor passage are not communicated to the external atmosphere. The fuel tank is provided with a pressure detecting device for detecting the internal pressure of the fuel tank. A pressure regulating device is provided to the vapor passage for controlling and maintaining the pressure applied to the adsorption/desorption device. When the internal pressure of the fuel tank is higher than the atmospheric pressure, the internal pressure of the fuel tank is pressure-fed to the side of the adsorption/desorption device via the pressure regulating device until the internal pressure of the fuel tank becomes in equilibrium with the atmospheric pressure. When the internal pressure of the fuel tank is lower than the atmospheric pressure, vapor is pressure-fed to the side of the fuel tank via the pressure regulating device until the internal pressure of the fuel tank becomes in equilibrium with the atmospheric pressure.02-05-2009
20090139495CARBON CANISTER WITH PURGE BUFFER SYSTEM - A carbon canister includes a housing and a carbon bed located in the housing. A discharge tube is coupled to the housing and arranged to conduct fuel vapor from the canister to a vapor-delivery system coupled to an engine to clean the carbon bed in the housing.06-04-2009
20090320806FUEL VAPOR STORAGE AND RECOVERY APPARATUS - A fuel vapor storage and recovery apparatus includes a fuel vapor storage canister, said fuel vapor storage canister comprising at least first and second vapor storage compartments filled with an absorbent material, for instance filled with activated carbon, at least a vapor inlet port, an atmospheric vent port and a purge port. Said fuel vapor storage canister defines an air flow path between said vapor inlet port and said atmospheric vent port during shut-off of the internal combustion engine of the vehicle. During purging cycles there is defined an air flow path between said atmospheric vent port and said purge port wherein said first and second vapor storage compartments are arranged in concentric relationship and wherein said first and second vapor storage compartments in flow direction are separated from each other by an air gap diffusion barrier.12-31-2009
20090025694FUEL VAPOR CONTROL DEVICES - A fuel vapor control device include a fuel tank for storing fuel, a canister for adsorbing fuel vapor produced in the fuel tank, and an evaporation path communicating between the fuel tank and the canister. The tank has a resiliently deformable wall portion that can resiliently deform in response to an amount of the fuel vapor in the fuel tank, so that volume of the fuel tank can be varied. A pressure regulating valve can perform a relief function for opening the evaporation path during the expansion of volume of the fuel tank to a set volume. The pressure regulating valve closes the evaporation path if pressure inside the fuel tank is lower than the set value. On the other hand, the pressure regulating valve opens the evaporation path if the pressure inside the fuel tank is equal to or higher than the set value.01-29-2009
20080264391CANISTER ARRANGEMENT IN POWER GENERATING APPARATUS - A power generating apparatus includes an engine for driving a generator, a muffler cover for covering a muffler for exhaust supplied from the engine from an external side of the muffler, a fuel tank for storing fuel to be supplied to the engine, and a canister containing an adsorbent for adsorbing thereonto fuel that evaporates from the fuel tank. The canister includes a communicating tube, which places the canister in communication with the atmosphere. The canister is also in communication with an intake system of the engine. The communicating tube of the canister has its opening at a position near to the muffler as well as to an inner surface, on the side of the muffler, of the muffler cover, to improve the purge characteristics of the adsorbent so that the usable live of the adsorbent is increased.10-30-2008
20090084362CATALYST MATERIAL FOR EVAPORATIVE EMISSION CONTROL SYSTEM - Compositions for use in evaporative emission control systems are disclosed and described. The compositions include a fuel adsorbent material mixed with a catalyst. The catalyst is polymeric and has a specific heat that is higher than the specific heat of the fuel adsorbent material.04-02-2009
20110139129FUEL VAPOR STORAGE AND RECOVERY APPARATUS - A fuel vapor storage and recovery apparatus includes a fuel vapor storage canister, said fuel vapor storage canister comprising at least first and second vapor storage compartments filled with an absorbent material, for instance filled with activated carbon, at least a vapor inlet port, an atmospheric vent port and a purge port. Said fuel vapor storage canister defines an air flow path between said vapor inlet port and said atmospheric vent port during shut-off of the internal combustion engine of the vehicle. During purging cycles there is defined an air flow path between said atmospheric vent port and said purge port wherein said first and second vapor storage compartments are arranged in concentric relationship and wherein said first and second vapor storage compartments in flow direction are separated from each other by an air gap diffusion barrier.06-16-2011
20090260602CANISTER FOR VEHICLE - A canister for a vehicle may include a cover member covering a hole formed at a floor panel corresponding to a fuel pump module mounted on a fuel tank, and a main body integrally formed at a lower surface of the cover member, and connected to the fuel pump module through a hose so as to collect evaporation gas generated in the fuel tank and supply the evaporation gas to an intake line.10-22-2009
20120103309Integrally Molded Vapor Canister - An integrally molded carbon canister is provided. The integrally molded carbon canister includes a housing including four external side walls and an upper portion at least partially enclosing an internal cavity connected to a vapor inlet and outlet port, the upper portion including a depressed flow disruptor positioned rearward of an injection gate, and a first and second projected flow channel positioned adjacent to the injection gate and laterally spanning the housing.05-03-2012
20100252006FUEL STORAGE AND VAPOR RECOVERY SYSTEM - A fuel vapor storage and recovery system for a vehicle includes a fuel tank containing a volume of fuel and first and second vapor storage devices fluidly connectable via a controllable valve device. The second vapor storage device includes an electrically heatable substrate thermally coupled to fuel vapor adsorbent material. A vent valve connects to atmospheric air via a second end of the second vapor storage device.10-07-2010
20100242924Fuel System for Traveling Vehicle - Disclosed is a fuel system for a traveling vehicle having an engine mounted on a vehicle body and a ROPS extending upward from the vehicle body. The fuel system includes a fuel tank accommodating an amount of fuel, a canister, an evaporating hose including a first evaporating hose portion and a second evaporating hose portion for sending fuel vapor generated inside the fuel tank to the canister. The first evaporating hose portion is connected to the fuel tank and extending upward from the fuel tank along a vertical post of the ROPS. The second evaporating hose portion extends downward along a vertical post of the ROPS and is connected to the canister.09-30-2010
20100242925ATMOSPHERE-OPENING STRUCTURE FOR CANISTER OF VEHICLE - An atmosphere-opening structure is provided for a canister of a vehicle which can prevent invasion of dust and water drops from an atmosphere-opening passage by a simple configuration which is easy to produce. A fuel tray is provided around a fuel filler such that fuel leaking from the fuel filler to the outside upon refueling is received by the fuel tray. The fuel tray is covered with a fuel lid which can open and close the fuel filler from above. A drain hole for discharging fuel to the outside is provided in the fuel tray. An opening hose for communicating the canister and the atmosphere with each other is provided. An opening end of the opening hose is communicated with a position higher than the drain hole in the fuel tray.09-30-2010
20120240905EVAPORATED FUEL TREATMENT DEVICE FOR MOTORCYCLE - A charge pipe passage includes a first tank-side pipe passage part which is connected to an upper surface of a fuel tank, and a second tank-side pipe passage part which is connected with the first tank-side pipe passage part and extends toward the other side of the fuel tank from one side of the fuel tank in the vehicle widthwise direction on an end portion thereof on a fuel tank side, and the first and second tank-side pipe passage parts, are fixed to the upper surface of the fuel tank.09-27-2012
20110100337HIGH EFFICIENCY VAPOR SYSTEM FOR INTERNAL COMBUSTION ENGINES - A high efficiency vapor system for an internal combustion engine of a lawn mower includes a vapor tank assembly which maintains a specific amount of fuel therein. An air inlet line is coupled to bottom of the vapor tank assembly and wrapped around a muffler for heating up the air inside. A vapor outlet line is coupled between top of the vapor tank assembly and the internal combustion engine. A mechanism within bottom of the vapor tank assembly is for vaporizing the fuel with heated air that enters from the air inlet line. The vapor outlet line will transport vaporized fuel into the internal combustion engine of the lawn mower, to enhance engine performance with less fuel consumption and significantly lower exhaust emissions.05-05-2011
20080271717CANISTER MOUNTING STRUCTURE IN POWER GENERATING APPARATUS - A power generating apparatus has a simplified structure for introducing fuel vapor from a fuel tank and blow-by gas produced in an engine into the engine's intake system so as to facilitate the manufacturing of the power generating apparatus. The power generating apparatus includes an engine for driving a generator, a canister containing an adsorbent for adsorbing thereonto fuel that evaporates from a fuel tank, an evaporative fuel inlet pipe for introducing fuel vapor purged from the adsorbent into an engine intake system, and a blow-by gas inlet pipe for introducing blow-by gas produced in the engine into the intake system. A first end of the evaporative fuel inlet pipe is connected to the canister, and a second end of the evaporative fuel inlet pipe is connected to an intermediate portion of the blow-by gas inlet pipe.11-06-2008
20080251055EVAPORATIVE EMISSIONS CONTROL SYSTEM - An evaporative emissions control system for an engine including a fuel tank having a fuel tank vapor space, a carburetor coupled to the fuel tank, and a fuel tank cap having fuel vapor adsorption media that adsorbs vapor from the fuel tank vapor space. The fuel tank cap is in fluid communication with the carburetor via the vapor space and is configured to permit fuel vapor stored in the fuel adsorption media to be purged into the carburetor via the vapor space.10-16-2008
20100294251FUEL VAPOR PROCESSORS - A fuel vapor processor has a fuel tank, a canister, a recovery pipe, a fuel pump, a negative pressure generator, a pressure regulator, a fuel intake pipe and a fuel intake regulator. The vapor pipe leads the fuel vapor generated in the fuel tank into the canister for trapping the fuel vapor. The recovery pipe connects the fuel tank and the canister for recovering the fuel vapor trapped in the canister into the fuel tank. The fuel intake pipe directly connects the fuel pump provided in the fuel tank with the negative pressure generator for leading fuel to the negative pressure generator. The negative pressure generator generates negative pressure depending on an amount of fuel supplied to the negative pressure generator from the fuel pump. The fuel vapor trapped in the canister is recovered to the fuel tank through the recovery pipe due to the negative pressure. The pressure regulator is connected with the fuel pump for returning excess fuel discharged from the fuel pump into the fuel tank. The fuel intake regulator disposed on the fuel intake pipe controls the amount of the fuel supplied to the negative pressure generator from the fuel pump.11-25-2010
20120240904EVAPORATED FUEL TREATMENT DEVICE FOR VEHICLE - An evaporated fuel treatment device for a vehicle is provided to suppress the flowout of evaporated fuel into atmospheric air. In the evaporated fuel treatment device, a communication chamber is formed in a fuel supply cap, allowing communication between a charge passage and the inside of a fuel tank in a closed state. In the communication chamber, a positive pressure adjusting valve is openable to supply evaporated fuel in the fuel tank to an evaporated fuel storage unit through the communication chamber and the charge passage, and a negative pressure adjusting valve is openable to supply atmospheric air to the fuel tank from the evaporated fuel storage unit through the communication chamber and the charge passage. An interlocking member is provided between the key cover and the negative pressure adjusting valve, and opens the negative pressure adjusting valve in an interlocking manner with an operation of opening the key cover.09-27-2012
20090101119CARBON CANISTER CAP WITH INTEGRATED DEVICE - A carbon canister filter box having an integrated cap. The integrated cap incorporates one or more components, such as vent solenoids, pressure sensors, an internal honeycomb feature for assisting in trapping hydrocarbons from the fuel vapor, and purge ports. The integrated cap sealingly attaches to a carbon canister vapor recovery system and can be manufactured to be implemented on existing canister units. The cap connects to the automotive emission storage canister in relation to the fuel tank of the vehicle, used to recapture fuel vapor before it is released into the atmosphere. A sealing means is positioned between the cap and the canister, preventing the leakage of fuel vapor into the outside atmosphere.04-23-2009
20080302340System for Controlling the Emissions of Fuel Vapours from a Vehicle - Described herein is a control system for controlling the emissions of fuel vapours from a vehicle comprising a first adsorption system and a second adsorption system. The first adsorption system is formed by a canister preferably filled with activated carbons having a grain size greater than 4 mm. The second adsorption system is made up of a tubular housing, which has a ratio between the equivalent diameter D and the axial height H of between 1:2.5 and 1:4.5 and is filled with activated carbons having a grain size greater than 4 mm.12-11-2008
20110048386FUEL VAPOR SEPARATOR WITH EVAPORATIVE EMISSIONS CHAMBER AND MARINE FUEL SYSTEM AND ENGINE THEREWITH - A unitized fuel vapor separator and evaporative emission device; marine fuel system, and marine engine therewith are provided. The device includes a fuel vapor separator and evaporative emissions chamber having a common wall separating the fuel vapor separator from the evaporative emissions chamber. The fuel vapor separator is configured for fluid communication with an upstream fuel tank and with a fuel pump and has a fuel vapor outlet to channel fuel vapor outwardly therefrom. The evaporative emissions chamber is configured for fluid communication with the fuel tank to receive fuel vapor therefrom and has an adsorption material for adsorbing fuel vapor and dissipating air from the fuel vapor through an air outlet to channel the air outwardly therefrom.03-03-2011
20080230038VAPOR ASSISTED COLD START ARCHITECTURE UTILIZING TANK GRADE VENT VALVES - A vapor fuel recovery system for fuel tanks is provided. The vapor recovery system comprises: a canister that captures vapor fuel expelled from the fuel tank; a vent valve that controls ventilation of vapor fuel from the fuel tank to the canister; and a vent bypass disposed between the canister and the vent valve that controls the flow of vapor fuel from the fuel tank to the on-board recovery canister when a fuel level in the fuel tank is full. The bypass includes a bypass valve and at least one orifice.09-25-2008
20090126701GAS ENGINE AND GAS-ENGINE-MOUNTED WORKING MACHINE - A gas engine is driven by fuel gas supplied from a cassette gas canister, and includes a vaporizer device provided between a cylinder block and a muffler. The vaporizer device vaporizes liquid fuel gas, led out from the cassette gas canister, using heat of exhaust gas discharged from the cylinder block.05-21-2009
20080308074EVAPORATIVE EMISSIONS CANISTER WITH EXTERNAL MEMBRANE - An evaporative emissions system is used in an automotive evaporative emission system including a fuel tank coupled to an automotive engine to control emission of fuel vapors to the atmosphere. The system includes (1) an evaporative emissions canister comprising a unitary molded housing having a circumferential side member, a top member and a bottom member; a hydrocarbon-adsorbing material disposed therein so as to provide a vapor adsorbent chamber for adsorbing hydrocarbon fuel vapor flowing therethrough; and (2) a second housing containing a membrane, the second housing located adjacent the fresh air line of the evaporative emissions canister for preventing fuel vapor molecules and pollutants associated therewith, from passing through the membrane while allowing the air molecules to pass therethrough. A method is provided for preventing or substantially reducing hydrocarbon emissions to the atmosphere.12-18-2008
20100282220INTEGRATED CANISTER STRAINER - A carbon canister adapted for use in an automotive vehicle is disclosed. The system has a carbon canister housing defining a cavity adapted for holding carbon pellets with the housing including: a port and a strainer disposed between the port and the cavity with a portion of a surface of the strainer being convex with respect to the cavity wherein the strainer has a plurality of orifices. The integral strainer obviates the need for a foam filter to prevent the carbon pellets from escaping from the carbon canister housing through the port. In some applications, the carbon canister system has three ports: one to the engine, one to atmosphere, and one to a vent of the fuel tank, each having a strainer disposed in the port.11-11-2010
20100180870FUEL VAPOR PROCESSING APPARATUS - One aspect according to the present invention includes a fuel vapor processing apparatus including an insert. The insert can determine an effective flow passage area of the adsorption material chamber without producing a non-filled region of an adsorption material, through which fuel vapor containing gas flows.07-22-2010
20110315126CARBON CANISTER - In a carbon canister including a casing with first and second casing parts connected through a passage, a first type of granulated adsorbing material 12-29-2011
20110155107Carbon Canister - A four-pass carbon canister includes a cover sealingly coupled to an injection-molded housing having a first chamber, a second chamber fluidly coupled to the first chamber, a baffle fluidly coupled to the second chamber, and a third chamber fluidly coupled to the baffle. The three chambers are filled with carbon pellets to absorb carbon pellets provided to the carbon canister from the fuel tank. The carbon canister is periodically purged by drawing fresh air into the carbon canister, with the fresh air desorbing the hydrocarbons and then provided to and consumed in an internal combustion engine.06-30-2011
20120234300TANK SYSTEM FOR A MOTOR VEHICLE - A tank system (09-20-2012
20120312281EVAPORATED FUEL TREATMENT APPARATUS - An evaporated fuel treatment apparatus is mounted in a vehicle having an engine, a fuel tank storing fuel for the engine, and a battery, the evaporated fuel treatment apparatus adsorbing evaporated fuel in the fuel tank on an adsorbent in a canister container, desorbing the evaporated fuel adsorbed on the adsorbent therefrom during engine running, and directing the evaporated fuel to an intake passage of the engine. The adsorbent in the canister is heated by heat generated by the battery.12-13-2012
20100012098EVAPORATED FUEL TREATING APPARATUS AND METHOD OF TREATING EVAPORATED FUEL - An evaporated fuel treating apparatus and method of treating evaporated fuel, that can re-gasify adsorbed fuel within a canister and supply it to an engine, are obtained. A compressor, a first control valve, a storage container and a second control valve are provided at a supply delivery piping that communicates a canister with an engine air intake tube, in that order from the canister side. By driving the compressors, vapor within the canister is fed to the storage container, canister internal pressure is lowered, and gasification of a fuel component adsorbed by an adsorbent is promoted. Further, evaporated fuel stored in the storage container is forcibly fed to an engine by internal pressure of the storage container.01-21-2010
20120255525EVAPORATED FUEL HANDLING APPARATUS - A fuel cap includes a communication chamber configured to make a charge path and the inside of the fuel tank communicate with each other while in a closed state. The communication chamber includes: a positive pressure control valve configured to open, and send evaporated fuel, which occurs inside the fuel tank, to an evaporated fuel reservoir via the communication chamber and the charge path when the internal pressure of the fuel tank becomes equal to or greater than a predetermined pressure; and a negative pressure control valve configured to open, and send air from the evaporated fuel reservoir to the fuel tank via the communication chamber and the charge path when the internal pressure of the fuel tank becomes equal to or less than the predetermined pressure. In addition, a key cylinder sets the negative pressure control valve open upon inserting a key into the key cylinder.10-11-2012
20120260892FUEL SYSTEM - A fuel system (10-18-2012
20130008414EVAPORATIVE EMISSION CONTROL DEVICE FOR AN INTERNAL COMBUSTION ENGINE - A leakage judgment with respect to a fuel tank is carried out. If the fuel tank is not leaking, a leakage judgment with respect to a canister is carried out. If there is a possibility of leakage in the fuel tank, a leakage judgment with respect to the fuel tank and the canister is carried out. If it is judged that there is leakage in the fuel tank and the canister, the leakage judgment with respect to the canister is carried out.01-10-2013
20090194077MULTIPURPOSE ENGINE - In this multipurpose engine, a fuel gas evaporated within a fuel tank of the engine is drawn out of the fuel tank and is adsorbed by an adsorbing material, the fuel gas is separated from the adsorbing material, and then the fuel gas separated from the adsorbing material is suctioned into an intake system of the engine by using negative pressure inside the intake system. The adsorbing material is accommodated in a canister, and two connection ports used for connection with the canister are respectively provided at a heat-insulating intake pipe between a carburetor and the engine and at a clear section of an air cleaner.08-06-2009
20120247433EVAPORATION SYSTEM FOR MOTORCYCLE, AND MOTORCYCLE INCORPORATING THE SAME - In a motorcycle including an engine equipped with an inlet system, a crankcase and a cylinder block; and a fuel tank which supplies fuel to the engine, an evaporation system is formed in a compact manner using the layout space above the crankcase. The evaporation system includes a canister which temporarily traps evaporated fuel evaporated inside the fuel tank; a purge device which introduces the evaporated fuel trapped in the canister into the inlet system; and a fresh air filter which filters air introduced to the canister during a purging operation for making the inlet system suction the evaporated fuel. In such evaporation system, the canister is disposed in the rear of the cylinder block and above the crankcase, and the air filter is disposed between the cylinder block and the canister.10-04-2012
20080202480CANISTER ARRANGEMENT IN POWER GENERATING APPARATUS - A power generating apparatus includes an engine for driving a generator; a fuel tank for storing fuel to be supplied to the engine therein, and a canister containing an adsorbent for adsorbing thereonto fuel that evaporates from the fuel tank to inhibit release of the fuel vapor into the atmosphere. The canister includes a communicating tube, which places the canister in communication with the atmosphere. The canister is in communication with an intake system of the engine. The canister is positioned proximate an exhaust system of the engine to improve the purge characteristics of the adsorbent so that a usable life of the adsorbent is increased.08-28-2008
20080202479Multipurpose engine equipped with a canister - The present invention relates to a multipurpose engine including a canister that adsorbs evaporated fuel generated in a fuel tank as well as desorbs a desorbs the fuel so that the fuel can be led to an air suction system of the engine. A multipurpose engine, comprising: a charge line leading an evaporated fuel generated in a fuel tank to a canister whereby the evaporated fuel is adsorbed; and a purge duct line that leads the evaporated fuel desorbed in the canister to an air suction system of the engine; wherein, the fuel tank is structurally sealed, has no vent to the atmosphere, is provide with a fuel supply opening compatible with a cap assembly of a sealed structure and is provided with a rollover valve on a surface of the fuel tank; wherein, the fuel supply opening and the cap assembly form no vent except when the engine is refueled; and further wherein, the charge line leading the evaporated fuel is gas-tightly connected to a discharge port of the rollover valve08-28-2008
20110247592CANISTER WITH HEATER - Disclosed herein is a canister mounted in a vehicle to reduce the discharge of fuel gas. The canister of the present invention includes at least one pocket installed in a canister housing. The pocket divides the inner space of the canister housing into first and second spaces. A heater is inserted into the pocket from the outside of the canister housing. The heater generates heat during running of an engine to heat active carbon filled in the canister. When the active carbon is heated, fuel gas adsorbed onto the active carbon in a liquid phase is easily evaporated and supplied to the engine. The heater can significantly improve desorption efficiency of the fuel gas by the active carbon.10-13-2011
20130186375TRAP CANISTER CAPTURING FUEL VAPOR - A trap canister is configured to capture fuel vapor contained in breakthrough gas discharged from an adsorbent canister. The trap canister has a housing defining an adsorption chamber therein, a breathable partition member disposed in the housing and dividing the adsorption chamber into a first chamber and a second chamber, an adsorbent filled in the first chamber and the second chamber, and a latent heal storage material tilled in the first chamber in a mixed manner with the adsorbent. The first chamber is configured to receive breakthrough gas, while the second chamber is configured to communicate with the atmosphere. The first chamber has a cross-sectional area larger than that of the second chamber.07-25-2013

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