Entries |
Document | Title | Date |
20080202479 | Multipurpose 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 valve | 08-28-2008 |
20080202480 | CANISTER 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 |
20080230038 | VAPOR 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 |
20080251054 | UTILITY 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 |
20080251055 | EVAPORATIVE 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 |
20080264391 | CANISTER 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 |
20080271716 | CANISTER 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 |
20080271717 | CANISTER 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 |
20080302340 | System 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 |
20080308073 | EVAPORATIVE 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 |
20080308074 | EVAPORATIVE 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 |
20080308075 | AUTOMOTIVE 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 |
20080308076 | Aircraft 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 |
20090013973 | FUEL 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 |
20090025694 | FUEL 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 |
20090031997 | APPARATUS 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 |
20090044785 | Vehicle, 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 |
20090084362 | CATALYST 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 |
20090101118 | FUEL 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 |
20090101119 | CARBON 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 |
20090126701 | GAS 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 |
20090139495 | CARBON 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 |
20090151706 | FUEL 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 |
20090159055 | CANISTER 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 |
20090194076 | Reducing 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 |
20090194077 | MULTIPURPOSE 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 |
20090241913 | INTAKE 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 |
20090260602 | CANISTER 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 |
20090288644 | FUEL 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 |
20090320806 | FUEL 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 |
20100012098 | EVAPORATED 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 |
20100037869 | Fuel 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 |
20100083938 | Marine 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 |
20100095937 | SYSTEM 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 |
20100095938 | FUEL 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 |
20100101542 | EVAPORATIVE 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 |
20100126476 | HERMETICALLY 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 |
20100154755 | VAPORIZED 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 |
20100180870 | FUEL 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 |
20100242924 | Fuel 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 |
20100242925 | ATMOSPHERE-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 |
20100252006 | FUEL 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 |
20100275887 | EVAPORATIVE 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 |
20100282220 | INTEGRATED 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 |
20100294251 | FUEL 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 |
20110048386 | FUEL 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 |
20110100337 | HIGH 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 |
20110139129 | FUEL 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 |
20110155107 | Carbon 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 |
20110197861 | CANISTER 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 |
20110247592 | CANISTER 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 |
20110297127 | DEVICE 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 |
20110315125 | VACUUM 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 |
20110315126 | CARBON 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 |
20120103309 | Integrally 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 |
20120160218 | Fuel 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 |
20120160219 | Device 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 |
20120186563 | CANISTERS - 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 |
20120222656 | FUEL 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 |
20120234300 | TANK SYSTEM FOR A MOTOR VEHICLE - A tank system ( | 09-20-2012 |
20120234301 | EVAPORATED 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 |
20120240904 | EVAPORATED 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 |
20120240905 | EVAPORATED 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 |
20120247433 | EVAPORATION 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 |
20120255525 | EVAPORATED 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 |
20120260892 | FUEL SYSTEM - A fuel system ( | 10-18-2012 |
20120312281 | EVAPORATED 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 |
20130000609 | FUEL VAPOR PROCESSING APPARATUS - A fuel vapor processing apparatus includes a case defining therein a flow passage including an adsorption chamber, an adsorption material disposed in the adsorption chamber; and a density gradient filter disposed in the flow passage at a position on an upstream side of the adsorption material with respect to a direction of flow of purge air for desorbing fuel vapor from the adsorption material. The density gradient filter includes a first portion having a first density, a second portion having a second density, and a third portion having a third density. The third portion is positioned on a downstream side of the first portion with respect to the direction of flow of the purge air and the second portion is positioned between the first portion and the third portion. Each of the first density and the third density is higher than the second density. | 01-03-2013 |
20130000610 | FUEL VAPOR PROCESSING APPARATUS - A fuel vapor processing apparatus may include a case defining therein a first adsorption chamber, a second adsorption chamber and a non-adsorption chamber communicating between the first adsorption chamber and the second adsorption chamber. The cross sectional flow area of the first adsorption chamber may be smaller than the cross sectional flow area of the second adsorption chamber. | 01-03-2013 |
20130008414 | EVAPORATIVE 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 |
20130042838 | HYDROCARBON 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 |
20130133629 | CONTROL 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 |
20130186375 | TRAP 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 |
20130206115 | METHODS 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 |
20130233286 | FUEL TANK - The present invention enables a canister in a fuel tank with the canister to be separately subjected to a product inspection and enables the canister to be replaced. | 09-12-2013 |
20130247880 | VAPOR RECOVERY SYSTEM PURGE VALVE AND METHOD - A canister purge valve, fuel vapor recovery system, and method are provided. The canister purge valve may include an inlet port configured to be coupled with an inlet line to receive a fluid from a vapor-recovery canister. The canister purge valve may also include an outlet having two or more exit ports configured to be coupled with a common exit line to pass the fluid to an engine. In this way, improved mixing may be achieved without substantially increasing flow resistance and/or noise. | 09-26-2013 |
20130247881 | CANISTER ARRANGEMENT STRUCTURE FOR SADDLE-RIDE TYPE VEHICLE - A canister arrangement structure for a saddle-ride type vehicle in which a canister for adsorbing evaporated fuel in a fuel tank is disposed below a step floor on which an occupant's foot is placed, the step floors are configured as a left and right pair and are supported from below by left and right step frames that extend back and forth at a position on the side of the main frame of the vehicle. The canister is supported by the one step frame. | 09-26-2013 |
20130284154 | EVAPORATED FUEL TREATING APPARATUS - An evaporated fuel treating apparatus, comprising a passage allowing circulation of fluid inside, a tank port and a purge port at one end of the passage, and an atmospheric port at the other end of the passage, and provided with a plurality of adsorption chambers each filled with granular activated carbon or crushed activated carbon in the passage, and a support member set between a first adsorption chamber located closest to the atmospheric port in the plurality of adsorption chambers and a second adsorption chamber located on the tank port side of the first adsorption chamber in the plurality of adsorption chambers, to space the first and second adsorption chambers apart from each other, and at least a part of the support member can adsorb evaporated fuel components. With this configuration, evaporated fuel components escaping to the outside through the atmospheric port are reduced. | 10-31-2013 |
20130291839 | Bleed Element With Overmolded Seal for Evaporative Emissions Canister - A deflector mounts a carbon scrubber element at an atmospheric port of an evaporative emissions canister. A substantially cylindrical shell has an open end and a closed end. A spacer plate extends outwardly from the shell. An elastomeric ring is overmolded within the shell at a longitudinal position between the ends. The elastomeric ring has an inner diameter configured to sealingly receive the carbon element. A plurality of vapor apertures are formed in the shell between the spacer plate and the elastomeric ring. A plurality of elastomeric ribs are overmolded by the interior surface within the shell the vapor apertures and the closed end, and are configured to be spaced around the carbon element to suspend the carbon element spaced away from the shell without blocking a gaseous flow from the vapor vents to the carbon element. | 11-07-2013 |
20130298878 | CANISTER EQUIPPED WITH HEATER - The invention provides a canister for reducing emissions of fuel gas. Fuel gas absorbed onto active carbon inside a canister can be easily desorbed from the active carbon and then flow into canister in the engine. The canister, which is combined with fuel tank and throttle pipe for absorption and desorption of fuel gas generated in fuel tank, has following components: a fuel tank port and an air inlet formed at the upper end of one side; a junction pipe arranged in upper parts of this side; a canister body with a plurality of convex is formed; a junction configured to fit the junction pipe on the canister body formed at upper end of the canister body and a plurality of hooks connected with a plurality of convexes on the canister body are provided; air inlet set on an upper side, a heater with a heater module is set inside. | 11-14-2013 |
20130312712 | EVAPORATED FUEL TREATMENT APPARATUS - In an evaporated fuel treatment apparatus mounted laterally, in order to effectively utilize adsorbent of an upper portion in an adsorption chamber of the evaporated fuel treatment apparatus, the evaporated fuel treatment apparatus comprises: one or more adsorption chambers filled with the adsorbent that adsorbs and desorbs evaporated fuel generated in a fuel tank; a tank port; a purge port; and an atmosphere port, and in the evaporated fuel treatment apparatus, a first filter is provided in a boundary portion between the adsorption chamber located closest to the tank port and the tank port, and an amount of gas, having flowed in the adsorption chamber from the tank port, passing through an upper portion of the first filter is made larger than that of the gas passing through a lower portion thereof. | 11-28-2013 |
20130319378 | VENTING SYSTEM, IN PARTICULAR FOR A FUEL TANK - In a venting system, in particular for a fuel tank of a motor vehicle, which has a sorption filter for temporarily storing fuel evaporating from the fuel tank and a fluid-conveying conveying device situated between the sorption filter and an air supply or an intake manifold of an internal combustion engine, according to the present system, the conveying device is a bidirectional conveying device which is switchable in a first conveying direction in the direction of the internal combustion engine for regenerating the sorption filter and in a second conveying direction in the direction of the sorption filter for carrying out a fuel tank leak diagnosis. | 12-05-2013 |
20130327303 | EVAPORATED FUEL TREATMENT DEVICE - An evaporated fuel treatment device including a cylindrical casing body, a granular adsorbent filled in the casing body, an air permeable member stacked on the granular adsorbent, a retainer member stacked on the air permeable member, and a tJooth-shaped positioning retention mechanism disposed between an inner circumferential surface of the casing body and an outer circumferential surface of the retainer member. The tooth-shaped positioning retention mechanism allows the retainer member to hold the air permeable member in a compressively deformed state, enables positioning and retention of the retainer member in an optional position relative to the casing body in a pushing direction of the retainer member, and inhibits displacement of the retainer member in a removal direction of the retainer member. | 12-12-2013 |
20130340724 | CANISTER - A canister includes: a first adsorbent chamber; a second absorbent chamber connected to the first adsorbent chamber via a connection passage to constitute a U turn shaped flow passage; a casing having a charge port and a purge port at a terminal section of the first adsorbent chamber and having a drain port at a terminal section of the second adsorbent chamber; an adsorbent filled within the first and second adsorbent chambers; and an adsorption quantity sensor attached onto the casing to position a detection section of the sensor within the adsorbent, wherein a measurement point of the adsorption quantity sensor is arranged at a position nearer to a second terminal section of the second adsorbent chamber than an intermediate point of a flow passage length between a first terminal section at a drain port side of the second adsorbent chamber and the second terminal section at the connection passage side. | 12-26-2013 |
20140007849 | FUEL TANK SYSTEM - A fuel tank system capable of purging a canister without relying on the action of negative pressure from the engine, thereby giving excellent energy efficiency. Gases in the fuel tank move to a canister when filling up, and any fuel vapor is adsorbed in the canister. Air components are separated from the gases in the fuel tank using a gas separator and discharged and a negative pressure can be induced inside the fuel tank. This negative pressure acts on the canister and purges the canister. | 01-09-2014 |
20140041640 | VACUUM 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, 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. | 02-13-2014 |
20140060497 | EVAPORATION FUEL PROCESSING DEVICE - An evaporation fuel processing device is provide including: a passage; a tank port and a purge port on one end side of the passage; an atmospheric air port on the other end side of the passage; and adsorbent layers filled with adsorbent for evaporation fuel components, provided in the passage; a region provided on an atmospheric air port side of the passage, being constituted of three or more adsorbent layers and separating parts for separating the adjacent adsorbent layers, in which a volume of the adsorbent layer is smaller in the adsorbent layer closer to the atmospheric air port, a volume of the separating part is larger closer to the atmospheric air port, and the volume of the separating part located farthest on a tank port side is larger than that of the adsorbent layer located farthest on the atmospheric air port side. | 03-06-2014 |
20140102419 | VAPOR FUEL PROCESSING APPARATUS - A canister absorbs evaporated fuel produced in a fuel tank and supplies the absorbed evaporated fuel to an engine. A sealing valve is equipped between the fuel tank and the canister. A detection unit detects a state of a lid of the fuel tank. An intention estimation unit estimates existence of a refueling intention according to an activity of a user. A release time period estimation unit estimates a release time period, which is needed to release a pressure in the fuel tank, according to a state of a vehicle. A manipulation control unit opens the sealing valve when the lid is opened. The manipulation control unit opens the sealing valve, even in a case where the lid is closed, on estimation that the refueling intention exists, and on determination that the estimated release time period is greater than a predetermined time period. | 04-17-2014 |
20140109878 | HYDROCARBON TRAP AND METHOD FOR MANUFACTURE - A hydrocarbon (HC) trap positioned in an intake conduit of an engine is provided. The HC trap includes a stack of consecutively layered polymeric sheets with at least a portion of the sheets impregnated with a HC vapor adsorption/desorption material, the stack of sheets extending from a first exterior surface to a second exterior surface. | 04-24-2014 |
20140109879 | FILTER ARRANGEMENT FOR A TANK VENTILATION SYSTEM OF A FUEL TANK - A tank ventilation system of a fuel tank ( | 04-24-2014 |
20140190456 | METHOD FOR HANDLING FUEL VAPORS ONBOARD A HYBRID VEHICLE - A method for handling fuel vapors onboard a hybrid vehicle including an internal combustion engine or ICE and a fuel system for the ICE, the method including at least partly condensing fuel vapors generated in the fuel system using an absorption refrigeration device. The absorption refrigeration device includes a regenerator that uses as a heat source, heat of combustion of part of the fuel vapors that are burnt in an adequate device. | 07-10-2014 |
20140245997 | PRECISION PURGE VALVE SYSTEM WITH PRESSURE ASSISTANCE - A pressure-assisted precision purge valve system is provided in an evaporative emission control system that provides flow of fuel vapor-air mixture from a fuel tank to an intake manifold. The pressure-assisted precision purge valve system comprises an absorbent canister through which the fuel vapor-air mixture flows, a purge valve configured to regulate flow of the fuel vapor-air mixture to the intake manifold and a fuel vapor pump configured to provide a forced flow to the purge valve dependent on a system differential pressure. The output of the purge valve can be connected to an upstream injection point and/or a downstream injection point of a forced induction device. | 09-04-2014 |
20140318506 | AIR INTAKE SYSTEM HYDROCARBON TRAP PURGING - Methods and systems for passively purging a hydrocarbon trap in an engine intake in a vehicle are disclosed. In one example approach, a method comprises, in response to an ambient temperature decrease during an engine off condition while a fuel tank is sealed from atmosphere, delivering fuel stored in a hydrocarbon trap in an intake of the engine to a fuel vapor canister coupled to the fuel tank in an emission control system. | 10-30-2014 |
20140331976 | CANISTER MODULE - A tank passage communicates a canister housing with a fuel tank. A purge passage communicates the canister housing with an intake air system. An atmospheric air passage communicates the canister housing with an atmosphere. A valve housing accommodating a valve element is located in a recessed portion defined with a first inner wall and a second inner wall. A seal member is located on a radially outside of the valve housing to seal the recessed portion. The first inner wall has a first opening to communicate the canister housing with the recessed portion. The second inner wall has a second opening to communicate the recessed portion with the atmospheric air passage. The first opening or the second opening is defined around a valve seat. The valve element is seated on and lifted from the valve seat to control communication between the canister housing and the atmospheric air passage. | 11-13-2014 |
20140345573 | TURBO BYPASS SWITCH VALVE MOUNTING ON AIR BOX - A system which includes a turbo bypass switching valve (BSV) positioned at a beneficial location as a direct mount on an air box to achieve compliance to OBD hose-off requirement via electronic actuation of the BSV and monitoring of the fuel tank pressure sensor for pressure change. When the turbocharger unit is generating pressurized air, the turbo BSV is open, and vapor is passing through the purge valve, some level of vacuum in the fuel tank is sensed. By closing the BSV, flow through the venturi is reduced, producing both less vacuum and a change in fuel tank pressure. The pressure change does not occur if any of the hoses become disconnected. This results in a simple OBD “venture hose off” check without additional components. | 11-27-2014 |
20140345574 | TANK VENTING SYSTEM AND METHOD FOR DIAGNOSING SAME - A tank venting system of an internal combustion engine having an intake manifold, a fuel tank, and an activated carbon filter includes: a tank vent valve; at least one check valve; and a pressure sensor situated between the tank vent valve and the check valve. For diagnosing this tank venting system, a negative pressure which is lower than the ambient pressure outside the engine system is stored between the tank vent valve and the check valve. The stored pressure is changed by controlling the tank vent valve, and the change in the pressure is measured via the pressure sensor. The functioning of the tank venting line, of the check valve, and of the tank vent valve is deduced from the correlation of the opening state of the tank vent valve with the change in pressure. | 11-27-2014 |
20150007799 | EVAPORATED FUEL TREATMENT APPARATUS - An evaporated fuel treatment apparatus includes a passage circulating fluid being formed therein, a tank port and a purge port being formed at one end side of the passage, and an atmosphere port being formed at another end side of the passage. At least four adsorbent layers in which adsorbent adsorbing fuel components is filled are provided in the passage. The evaporated fuel treatment apparatus has a main adsorbent layer and a region provided on an atmosphere port side of the main adsorbent layer. At least three adsorbent layers that are different from the main adsorbent layer, and separating portions that separate the adsorbent layers which are adjacent to each other are provided in the region. The volume of at least one separating portion in the region is made larger than a total of the volumes of adsorbent layers that sandwich the separating portion therebetween. | 01-08-2015 |
20150059710 | CONTROL DEVICE OF INTERNAL COMBUSTION ENGINE - The control device of an internal combustion engine of the present invention is a control device of an internal combustion engine in which a bypass channel ( | 03-05-2015 |
20150075500 | Hydrocarbon Trap Assembly with Thermoformed Hydrocarbon-Adsorbing Sleeve - A hydrocarbon trap assembly for use in an intake system of a motor vehicle engine includes a first duct having an interior recess adjacent an end thereof, the recess having a blind end; a second duct overlapping the first duct's end and closing off a second end of the recess; and a thermoformed hydrocarbon-adsorbing sleeve inside the recess and having a first edge adjacent the blind end and a second edge adjacent the second end of the recess. One or both ends of the sleeve may engage a hook formed on the respective first and/or second ducts. The second end of the sleeve may have a flange that fits into a gap between the ducts. | 03-19-2015 |
20150090231 | PROCESS FOR IMPROVING EFFICIENCIES OF GAS SYSTEMS BY GASOLINE VAPOR EXTRACTION - Disclosed in certain embodiments are methods of improving efficiencies of adsorbed gas fuel systems and to recover vapors from gasoline containers. | 04-02-2015 |
20150107561 | HEAT STORAGE MEMBER FOR CANISTER - A heat storage member housed in a canister together with an adsorbent capable of adsorbing fuel vapor has a sealed container and a phase-change material housed in the sealed container. The phase-change material becomes semisolid gel state at the melting point of the phase-change material. The phase-change material is disposed along an entire inner surface of the sealed container such that a space capable of compensating for volume alteration of the phase-change material caused by phase-change is formed at a center of an inner space of the sealed container. | 04-23-2015 |
20150144111 | FUEL VAPOR PROCESSING APPARATUS - A fuel vapor processing apparatus may include a canister capable of adsorbing fuel vapor produced in a fuel tank, a closing valve provided in a vapor passage connecting the canister and the fuel tank, a purge passage connecting the canister and an intake passage of an engine, and a control device. The closing valve may include a movable valve member movable along a linear path and an actuator coupled to the movable valve member. The control device may be coupled to the actuator and may be configured to control the actuator such that the position of the movable valve member along the linear path changes according to a deviation of an actual tank internal pressure of the fuel tank from a target tank internal pressure. | 05-28-2015 |
20150308389 | SYSTEMS AND METHODS FOR REFUELING CANISTER SYSTEM - Methods and systems are described for depressurizing a fuel tank prior to refueling. In one example, before refueling the fuel tank having a pressure above a first predetermined pressure, the pressure may be released through a first valve to the first predetermined pressure and the first valve may be closed. Further, a second valve may be opened to further reduce the pressure to a second predetermined pressure, and if flow through the second valve is less than desired, then the first valve may be opened until the second predetermined pressure is reached. | 10-29-2015 |
20150322902 | VAPORIZED FUEL TREATING DEVICE - A vaporized fuel treating device having a canister that is configured to adsorb vaporized fuel in a fuel tank and to feed the adsorbed vaporized fuel to an engine may include a pressure sensor that is configured to periodically detect an inner pressure of the fuel tank, and a pressure sensor failure determination device that is configured to determine that the pressure sensor has failed when a change of the inner pressure detected by the pressure sensor in a unit of time is not less than a predetermined pressure value that is greater than a maximum value of possible pressure changes within the fuel tank. | 11-12-2015 |
20150330337 | FUEL VAPOR PROCESSING APPARATUS - A fuel vapor processing apparatus may include a vapor passage connecting a canister and a fuel tank of an engine system. An opening and closing valve may be disposed in the vapor passage. A valve opening device may be coupled to the opening and closing valve and may forcibly open the valve when the internal pressure of the fuel tank detected by a pressure has reached to a set pressure value. | 11-19-2015 |
20150337777 | METHOD FOR SUCTIONING LIQUID FUEL FROM A LIQUID TRAP IN A FUEL TANK; AND FUEL SYSTEM FOR A MOTOR VEHICLE - A method for suctioning liquid fuel from a liquid trap in a fuel tank of a motor vehicle, includes generating a negative pressure in a gas compartment or headspace of the fuel tank, applying the negative pressure to the liquid trap through a suction line, wherein the liquid trap has a collection container collecting liquid fuel during venting of the fuel tank, and at least partially suctioning the liquid fuel located in the collection container through the suction line into the gas compartment or headspace. | 11-26-2015 |
20150345436 | SYSTEM AND METHODS FOR MANAGING FUEL TANK TEMPERATURE - A system for an engine, comprising: a fuel tank; a thermal regulator comprising a phase-change material, the thermal regulator coupled to the fuel tank; and an engine coolant passage positioned to transfer thermal energy between engine coolant and the phase-change material. In this way, the temperature of the fuel tank may be managed passively by the phase-change material, and actively by engine coolant, thereby allowing heat energy to be shunted away from the fuel tank, cooling the fuel within the fuel tank, and reducing fuel vapor concentration, thus enabling a fuel vapor canister with a reduced size. | 12-03-2015 |
20150354478 | SYSTEM AND METHODS FOR PURGING A FUEL VAPOR CANISTER - A method for purging a fuel vapor canister, comprising: responsive to a canister load decreasing below a first threshold, reversing a direction of air flow through the fuel vapor canister while maintaining purge air intake at a vent line inlet. By reversing the direction of air flow through the fuel vapor canister, canister regions that would normally retain fuel vapor during a purge event may realize increased desorption when the air flow direction is reversed. In this way, the efficiency of a purge event may be increased and bleed emissions may be reduced. | 12-10-2015 |
20150354511 | INTERNAL COMBUSTION ENGINE WITH SUPERCHARGER - The compressor of a forced induction device is provided in the intake passage of an internal combustion engine. An introduction passage for introducing purge gas into the intake passage is connected to the intake passage. A bent portion is provided at a position of the intake passage that is upstream of the compressor. The curvature of the bent portion in the direction in which the intake passage extends is greater than the curvatures of the portions of the intake passage that are located upstream and downstream of the bent portion. The introduction passage is connected to a part of the bent portion that is on the inner side of the bending direction. | 12-10-2015 |
20150369150 | SYSTEM AND METHODS FOR MANAGING REFUELING VAPORS - A method for a fuel system, comprising: during a first condition, directing gasses stripped of fuel vapor from a fuel vapor canister to an engine intake while maintaining a fuel tank isolation valve open. By directing the gasses stripped of fuel vapor the engine intake, a restricted vent line may be bypassed during a refueling event. In this way, premature shutoff events may be mitigated, allowing for a continuous refueling event. | 12-24-2015 |
20160040632 | HYDROCARBON TRAP AND METHOD FOR MANUFACTURE - A hydrocarbon (HC) trap positioned in an intake conduit of an engine is provided. The HC trap includes a stack of consecutively layered polymeric sheets with at least a portion of the sheets impregnated with a HC vapor adsorption/desorption material, the stack of sheets extending from a first exterior surface to a second exterior surface. | 02-11-2016 |
20160076469 | METHODS AND SYSTEMS FOR A THROTTLE TURBINE GENERATOR - Methods and systems are provided for adjusting operation of a throttle turbine generator to enable improved canister purging. A pressure differential across an intake throttle may be harnessed to rotate a turbine coupled in a throttle bypass, the turbine in turn driving a generator to charge a battery. During low intake manifold vacuum conditions, the generator may be operated as a motor to rotate the turbine, and use a compressor effect of the turbine to purge fuel vapors from a fuel system canister. | 03-17-2016 |
20160076490 | VAPORIZED FUEL PROCESSING APPARATUS - A vaporized fuel processing apparatus has a casing defining an adsorption chamber therein and having a tank port, a purge port, and an atmospheric port. The tank port is connected to a fuel tank. The purge port is connected to an internal combustion engine. The atmospheric port is open to the atmosphere. A heater is disposed between the adsorption chamber and the atmospheric port and has a fin heat exchanger and a heating element. The heating element is configured to generate heat by electricity supply. The fin heat exchanger is joined to the heating element. The surface area of the fin heat exchanger between the heating element and the adsorption chamber is larger than the surface area of the fin heat exchanger between the heating element and the atmospheric port. | 03-17-2016 |
20160076492 | FUEL SEPARATION VIA FUEL VAPOR MANAGEMENT SYSTEMS - Systems and methods for separating higher octane fuel from a fuel mixture are presented. In one example, fuel vapors may be limited or constrained from migrating to fuel tanks storing lower octane fuels. The systems may vent fuel vapors from a plurality of fuel tanks to a single fuel vapor storage canister. Alternatively, the systems may vent fuel vapors from the plurality of fuel tanks to a plurality of fuel vapor storage canisters. | 03-17-2016 |
20160108865 | FUEL VAPOR PROCESSING APPARATUS - A fuel vapor processing apparatus may include a canister, a purge passage connecting the canister and an engine, a vapor passage connecting the canister and a fuel tank, a closing valve disposed in the vapor passage, a pressure detection device for detecting a pressure within the fuel tank, and a controller coupled to the closing valve and the pressure detection device. The controller may output a control signal to the closing valve for opening the closing valve or for closing the closing valve. The controller may include an abnormality determination device that may determine whether or not the pressure detection device is operating properly based a detection value of the pressure detection device detected at a time when the engine is inactive and after the controller outputs the control signal to the closing valve for opening the closing valve or for closing the closing valve. | 04-21-2016 |
20160123280 | VAPORIZED FUEL PROCESSING APPARATUS - A vaporized fuel processing apparatus for an engine, which includes an intake passage equipped with a supercharging device and a throttle valve, has an adsorbent canister and a purge passage. The adsorbent canister is adapted to communicate with a fuel tank. The purge passage communicates the adsorbent canister with the intake passage of the engine. The purge passage has in series a purge valve for controlling communication through the purge passage and a purge pump for generating gas flow from the adsorbent canister toward the intake passage. The purge passage includes a sub-passage for communicating the adsorbent canister with the intake passage without passing through the purge pump. The purge passage divides into a first passage connected to the intake passage downstream of the throttle valve and a second passage connected to the intake passage upstream of the supercharging device. | 05-05-2016 |
20160131090 | VAPORIZED FUEL PROCESSING APPARATUS - A vaporized fuel processing apparatus for an engine, which includes an air supply passage equipped with a throttle valve, has an adsorbent canister and a purge passage communicating the adsorbent canister with the air supply passage of the engine. The adsorbent canister is adapted to communicate with a fuel tank. The purge passage includes a first purge passage and a second purge passage such that the first purge passage is formed in parallel with the second purge passage. The first purge passage has a first purge valve. The second purge passage has in series a second purge valve and a purge pump. The first purge passage and the second purge passage are configured such that pressure loss in the second purge passage is less than pressure loss in the first purge passage. | 05-12-2016 |
20160146160 | INSERTABLE FILTER FOR CANISTER AND CANISTER HAVING THE FILTER - Disclosed are a canister and an insertable filter for a canister which collects fuel evaporation gas and emits the collected fuel evaporation gas to an intake pipe when an engine is purged. The insertable filter includes a pipe configured to be able to penetrate through a case of the canister, and meshes configured to filter foreign materials. The meshes are installed at a portion where an inside and an outside of the pipe are in fluidic communication with each other. | 05-26-2016 |
20160153472 | EVACUATOR SYSTEM HAVING MULTI-PORT EVACUATOR | 06-02-2016 |
20160160809 | VANE PUMP AND LEAKAGE DETECTING DEVICE USING THE SAME - The vane pump has a pump chamber, in which a first inner plate and a second inner plate are movably accommodated at each of axial ends of a rotor. In a case that an electric motor is arranged at a lower side of the vane pump, the first inner plate is moved in a direction to the second inner plate by a force of gravity, so that the first inner plate is brought into contact with a first axial end of the rotor. As a result, an upper side axial open end of each pumping room, which is respectively defined by multiple vanes, is closed by the first inner plate. An amount of air leaking from one of the pumping rooms to the other pumping rooms can be reduced. | 06-09-2016 |
20160177883 | FUEL EVAPORATIVE GAS EMISSION CONTROL APPARATUS | 06-23-2016 |
20160177884 | FUEL TANK SYSTEM | 06-23-2016 |
20160186694 | VAPORIZED FUEL TREATING DEVICE AND BLOW-BY GAS RETURNING DEVICE - A combination of a vaporized fuel treating device and a blow-by gas returning device for an engine having a forced induction device may include an ejector. The ejector is disposed in a bypass passage that is in communication with an intake conduit at portions positioned upstream and downstream of the forced induction device. The ejector is configured to receive a boost gas generated by the forced induction device and to generate negative pressures therein, so as to supply the generated negative pressures to a purge conduit of the vaporized fuel treating device and a blow-by gas returning conduit of the blow-by gas returning device. | 06-30-2016 |
20160186696 | Air Guiding Arrangement Comprising Tank Ventilation System - An air guiding arrangement for an internal combustion engine is provided with an intake manifold that supplies intake air to the internal combustion engine, wherein the intake manifold has a flow compressor apparatus with a compressor. A tank ventilation system for a fuel tank of the internal combustion engine is provided, wherein the tank ventilation system has an adsorption filter and a first ventilation line which is branching off the adsorption filter. A throttle device is provided upstream of the compressor in the intake manifold. The ventilation line is connected to the intake manifold and opens into the intake manifold at a location between the throttle device and the compressor. | 06-30-2016 |
20160186697 | FLOW CONTROL VALVE AND FUEL VAPOR PROCESSING APPARATUS INCORPORATING THE FLOW CONTROL VALVE - A flow control valve including a passage, and first and second valve devices disposed in the passage and comprising first and second valve members, valve seats, and seal members, respectively. Each valve member is movable for opening and closing the passage. Each seal member may seal between the corresponding valve member and seat. The first valve member moves in a first direction toward a closing position of the first valve device. The second valve member moves in a second direction, opposite the first closing direction, toward a closing position of the second valve device. The first or the second seal member may include a base portion attached to one of the corresponding valve member and the corresponding valve seat, a lip extending from the base portion, and a turning-up inhibiting device configured to inhibit the lip from turning up when the corresponding valve member is in the closing position. | 06-30-2016 |
20160186698 | FUEL VAPOR RECOVERY APPARATUS - A fuel vapor recovery apparatus includes an adsorbent canister capable of capturing fuel vapor produced in a fuel tank, a purge passage connecting the adsorbent canister to an intake passage of an engine, and a purge pump for delivering fuel vapor from the adsorbent canister to the intake passage via the purge passage. The purge pump has a pump part and a motor part configured to drive the pump part. The fuel vapor recovery apparatus further includes a prevention mechanism for preventing liquid fuel liquefied from the fuel vapor in the purge passage from entering the motor part through the pump part. | 06-30-2016 |
20160186700 | FUEL VAPOR PROCESSING APPARATUS - A fuel vapor processing apparatus may include a canister and a valve device. The canister may include a canister case and may adsorb fuel vapor and allow desorption of fuel vapor. The valve device may include a valve housing defining a fuel vapor passage therein. A valve may be disposed within the valve housing and may control a flow of fuel vapor through the fuel vapor passage. The valve housing may be directly connected to the canister case, so that the fuel vapor passage communicates within the canister case. | 06-30-2016 |
20160377032 | VAPORIZED FUEL TREATMENT DEVICE - A vaporized fuel treatment device has formed therein a passage ( | 12-29-2016 |
20170234270 | VAPORIZED FUEL PROCESSING DEVICE | 08-17-2017 |
20180023519 | DEVICE HAVING AN ACTIVATED CARBON CANISTER AND MOTOR VEHICLE HAVING SUCH A DEVICE | 01-25-2018 |
20190145326 | ELECTRONIC EVAPORTIVE EMISSIONS MANAGEMENT SYSTEM | 05-16-2019 |
20190145331 | SYSTEM AND METHOD FOR MITIGATING WET-FOULING OF SPARK PLUGS | 05-16-2019 |