Abstract: 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.

Abstract: With reference to FIG. 1, the present invention provides, an internal combustion engine comprising a variable volume combustion chamber (10); an air intake passage (103,104) via which air is delivered to the combustion chamber (10); a fuel injector (107) delivering fuel into the air intake passage (103,107); and a fuel storage tank (107) for storing fuel to be injected. The fuel injector (107) is at least in part immersed in fuel, the fuel injector (107) being located at least in part in a fuel chamber (108b) which is connected to or which forms part of the fuel storage tank (108). An escape path is provided for escape of fuel vapour from the fuel injector (107) and/or from the proximity of the fuel injector to the fuel storage tank (108).

Abstract: Evaporative emissions management for a vehicle having a fuel tank and a low-vacuum internal combustion engine, including hybrid electric vehicles, include first and second canisters with the second canister disposed between the first canister and atmosphere. A refueling valve routes fuel vapors from the fuel storage tank through the first canister, and to the second canister when the first canister becomes saturated, during refueling. Other than during refueling, the refueling valve is closed to route fuel vapors around the first canister and directly into the second canister. First and second purge valves are controlled during canister regeneration or purging so air from atmosphere is routed primarily through the second canister to the engine to purge the second canister before the purge valves are operated to route air from atmosphere through both the second and first canisters to purge the first canister.

Abstract: A fuel system comprising a fuel tank having an opening. A cap is removably coupled to the fuel tank and operable for sealingly closing the opening to prevent ingress and egress of air through the opening. An overfill chamber is in communication with the fuel tank, and a hydrocarbon collection chamber is in communication with the overfill chamber. A valve is disposed between the hydrocarbon collection chamber and the overfill chamber. The valve includes a reference axis and is configured to permit fluid communication between the overfill chamber and the hydrocarbon collection chamber only when an angle between a vertical axis and the reference axis is less than about thirty-five degrees.

Abstract: 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.

Abstract: The present invention is directed to an evaporative emissions control apparatus for minimizing fuel vapor emissions from a fuel storage system in a vehicle with an internal combustion engine. More specifically, the present invention is directed to an evaporative emissions control apparatus comprising a canister filled with a hydrocarbon adsorbent. The present invention is also directed an evaporative emissions control apparatus comprising a support substrate, which is coated with a hydrocarbon adsorbent slurry.

Abstract: 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.

Abstract: 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.

Abstract: A sealable fuel vapor storage and recovery system includes a sealable fuel tank and a vapor storage device. The vapor storage device includes a first end, a chamber and a second end defining a linear flow path. A vent valve is selectively controllable to one of an open position and a closed position and imposes substantially no flow restriction.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: 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.

Abstract: A hybrid vehicle (100) configured to allow charging from a source external to the vehicle includes a connector (50) electrically connecting a battery (B1) with an external commercial power supply (55), an absorption unit absorbing fuel vapor, and an activation unit activating the absorption unit to facilitate disengagement of the fuel vapor during connection of the power storage device with the external power supply by the connector (50). The absorption unit includes a canister to which fuel vapor adheres. The activation unit includes a heater receiving electric power from at least one of the battery and external power supply to heat the canister. The hybrid vehicle further includes a purge mechanism conducting a purge relative to the canister. Thus, there can be provided a hybrid vehicle that can process fuel evaporating gas without reducing the EV allowed travel distance.

Abstract: A system for an engine of a vehicle traveling on the road, the system comprising a cylinder of the engine; an emission control device coupled in an exhaust downstream of the cylinder; a first injector configured to directly inject into the cylinder and coupled in a cylinder of the engine; a second injector configured to inject into a port of the cylinder and coupled to a port of the cylinder; and a controller for, in response to a driver pedal tip-in condition, increasing an amount of injection from the first injector.

Abstract: 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.

Abstract: A tank ventilating valve is disposed in a regeneration pipe which connects a storage container collecting fuel gas of a fuel tank to an intake pipe of the internal combustion engine. The tank ventilation system is air tightly sealed towards the atmosphere prevailing outside the motor vehicle while the tank ventilating valve is opened to create a negative pressure in the tank ventilation system. The method has the following steps: determining the fuel gas charge of the storage container; determining the volume flow rate through the tank ventilating valve; calculating an intermediate value from the product of the load and the volume flow rate; determining a tank pressure difference between the pressure prevailing in the fuel tank and the atmospheric pressure; and determining the additive corrective value by adjusting the intermediate value to the amount of the tank pressure difference.

Abstract: 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.

Abstract: 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.

Abstract: A fuel tank cap including a vapor storage receptacle and a discriminator that discriminates between liquid fuel and fuel vapor for protecting the vapor storage receptacle from liquid and adsorbent granulated carbonaceous material. A fuel storage system including a fuel tank cap having a vapor storage receptacle is also disclosed.

Abstract: An oil fill cap for an internal combustion engine replaces a standard cap and provides separation of air and oil in a separation zone within the cap body. The cap body defines a plurality of passages therethrough, including an upstream passage, and first and second downstream passages meeting at a separation junction. The cap body defines a separation zone at the separation junction and receiving the air/oil mixture from the engine through the upstream passage, and sending separated air to the first downstream passage, and sending separated oil to the second downstream passage.

Abstract: A canister layout structure in a motorcycle includes a swing arm vertically swingably supported to a rear portion of a body frame and supporting a wheel, a canister located below the swing arm for trapping an evaporative fuel evaporated in a fuel tank, and a center stand pivotably supported to a lower portion of the body frame for making the body frame stand on a road surface when parking. The center stand is retractable to keep a horizontal position substantially parallel to a road surface during running. The canister is located above the center stand in its retracted condition.

Abstract: Inside of a first absorption chamber of a canister, a heat storage material container in which a heat storage material constituted of a material that is larger in thermal conductivity and higher in heat capacity than an absorber is accommodated is provided. Since the heat storage material is isolated from the absorber, a larger contact area of the absorber with vaporized fuel gas and air can be secured, and thereby the absorption capacity and desorption capacity of the absorber can be highly exerted. Accordingly, the heat storage material can inhibit the absorber from varying in temperature, the absorber can be prevented from deteriorating in absorption capacity, and the heat storage material can be prevented from deteriorating.

Abstract: 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.

Abstract: 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.

Abstract: A canister that adsorbs evaporated fuel in a fuel tank is protected from an impact force and is mounted sufficiently at a height above the ground to eliminate the need for a protection member. A pair of left and right side members extend in a longitudinal direction of the vehicle on a lower side of a rear floor of the vehicle. The canister is disposed between the fuel tank and the spare tire housing. A pair of front and rear cross members extending in the widthwise direction of the vehicle connect to the side members between the fuel tank and the spare tire housing. The canister is disposed directly below the rear floor between the pair of front and rear cross members, and the canister is mounted to the front and rear cross members.

Abstract: 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.

Abstract: A particulate matter-removing filter being resistant to clogging and ash blocking, requiring no special means such as back-washing and heating combustion, and being formed of inexpensive materials; and exhaust emission controlling method and device using this. (1) A particulate-matter-containing exhaust emission controlling filter which uses as a basic unit a pair of porous corrugated sheet and a porous flat sheet that support an exhaust emission controlling catalyst, has a molding formed by laminating the porous corrugated sheets so that their ridge lines alternately cross perpendicularly, has one of side surfaces, perpendicularly crossing the corrugated sheet ridge lines, of the molding or mutually-adjoining two surfaces that are the perpendicularly-crossing side surfaces sealed, and has exhaust gas in-flow passage and out-flow passage respectively formed between porous corrugated sheets via a porous flat sheet.

Abstract: 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.

Abstract: A fuel vapor treatment system is mounted on a hybrid vehicle having an internal combustion engine and an electric motor. Even when an internal combustion engine is stopped, a discharge of fuel vapor from a first canister to atmosphere can be detected. When the discharge of the fuel vapor from the first canister is detected, the internal combustion engine is started to perform a purge process. When it is detected that the purge process in the first canister is finished, the internal combustion engine is stopped to terminate the purge process.

Abstract: Multilayer mats, pollution control devices containing the multilayer mats, and methods of making the multilayer mats are described. The multilayer mats include an intumescent layer sandwiched between two non-intumescent layers. The non-intumescent layers contain inorganic fibers and have a larger area than the intumescent layer.

Abstract: 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.

Abstract: A hydrocarbon adsorption assembly for an air induction system is disclosed. The hydrocarbon adsorption assembly includes a fluid conduit having an outer surface and a spaced apart inner surface to form a fluid path therein, the conduit including a recessed area formed in the inner surface thereof. A hydrocarbon trap is disposed in the recessed area of the fluid conduit to adsorb hydrocarbons passing through the conduit. The recessed area and the hydrocarbon trap cooperate to cause a portion of an air flowing through the flow path of the conduit to flow through the hydrocarbon trap to facilitate a purging thereof.

Abstract: 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.

Abstract: A fuel vapor adjusting device includes an expansion chamber at a top portion of a fuel tank; an oil spill trip valve being connected to the expansion chamber, which can turn off when there's spilling oil or the fuel tank is fell down; and at least two canisters. Each canister includes a fuel vapor entrance port, a fuel vapor outlet port, and a fuel vapor recycling vent. The fuel vapor entrance port and the fuel vapor outlet port form a fuel vapor filtering passage, and the fuel vapor entrance port and the fuel vapor recycling vent form a fuel vapor recycling passage. The oil spill trip valve, the at least two fuel vapor filtering passages connect in series, and the oil spill trip valve, the at least two fuel vapor recycling passages connect in parallel.

Abstract: A canister includes a casing made of a material including a polyamide resin. The casing includes a charge port to let in fuel vapor, a purge port to let out desorbed fuel and an atmospheric air port to let in air. Granular adsorbing agent and granular heat storing agent are held in the casing. The adsorbing agent includes a granular activated carbon. The granular heat storing agent is mixed with the granular activated carbon in the casing, and the granular heat storing agent including the material of the casing.

Abstract: An emission control module (14) includes a housing (52) that includes an atmospheric air opening (102) and a vapor emission inlet (104) for communication with a vapor region (32) of a fuel reservoir (16). A hydrocarbon filter (56) is disposed between the atmospheric air opening (102) and the vapor emission inlet (104) to passively filter vapor emissions within the vapor region (32). The housing (52) is configured for purging of the hydrocarbon filter (56) due to a low-pressure draw from the vapor emission inlet (104).

Abstract: 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.

Abstract: The invention relates to an adsorption filter for fuel vapors, particularly from the fuel tank of a combustion engine of a motor vehicle, which can be regenerated by desorptive reverse flow back flushing and which interacts with heat accumulating substances via the adsorbable or desorbable filter material. The aim of the invention is to increase the heat accumulability inside the filter material. To this end, the heat accumulating substances consist of phase-change materials (PCM) that are distributed in small units within the reactive filter material.

Abstract: 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.

Abstract: An air control module comprises a canister purge valve, a vapor blocking valve, a canister vent valve and a housing, wherein at least a portion of the canister purge valve, the vapor blocking valve, and the canister vent valve are disposed within the housing. The housing may optionally include three ports fluidly coupled to the canister purge valve, the vapor blocking valve, and the canister vent valve respectively. The canister purge valve may be fluidly coupled to an atmospheric vent and an evaporation canister (which may be mechanically coupled to the housing of the air control module) for controlling the passage of fuel vapor from the evaporator canister to an engine. The vapor blocking valve may be fluidly coupled to a fuel tank and the evaporation canister, while the canister vent valve may be fluidly coupled to an engine and the evaporation canister. The housing may optionally include an air filter fluidly coupled to the canister vent valve.

Abstract: A gas vapor control system that controls gas vapor that is generated in a fuel tank may include a canister in which the gas vapor is captured, a throttle valve that is mounted in an intake passage through which air passes, a gas vapor passage connecting the fuel tank to a portion of the intake passage formed before the throttle valve, wherein the canister is positioned at the gas vapor passage, a purge control valve that is mounted on the gas vapor passage, and a control portion that stops an engine in an idle stop condition, and that closes the throttle valve and opens the purge control valve to flow the gas vapor into the intake passage when a canister load value (CL) is higher than a predetermined value.

Abstract: A fuel tank has phase change material located within its interior and in a heat transferring relationship with the contents of the tank. Thermal energy is transferred from the contents of the tank to the phase change material (PCM) when tank temperatures increase to the phase transition temperature (PTT) of the PCM. The PCM then transforms from solid to liquid to absorb substantial thermal energy and thereby helps to reduce vapor emissions. PCM also can be applied to the exterior of the tank. The fuel tank is particularly useful in automotive applications and also can be used in boats, motorcycles, and smaller powered equipment.

Abstract: An oil-collecting can (500) for a filter cartridge (300) comprises a plurality of capillary ribs (530) that are sized and shaped to contact filter media in the outlet chamber. The oil-collecting can (500) can be used in conjunction with a filter cartridge (300), which is installed in a filter assembly to encourage the downward flow of oil droplets. Such a filter assembly could be used, for example, in a crankcase ventilation system, to remove particulates and other contaminants from piston-bypass fumes.

Abstract: Disclosed is a process of supplying a gaseous fuel from a fuel storage vessel to a secondary device.

Abstract: 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.

Abstract: 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.

Abstract: A vapor canister having an integrated evaporative emission canister purge actuation monitoring system. The vapor canister has a plurality of sidewalls defining a housing with a valve body formed integrally on the housing and a cover mounted to the valve body so as to define a vent chamber between the cover and the valve body. The integrated valve body has a main flow passage and a canister port. An air filter assembly is disposed adjacent to the valve body on the housing and provides fluid communication between the main flow passage and the ambient air. A first one-way umbrella valve mounted to the valve body that is responsive to predetermined positive pressure in the main flow passage to control flow of fluid from a vapor canister to ambient air as well as a second one-way umbrella valve that is responsive to a predetermined negative pressure in the main flow passage to control the flow of ambient air through an air filter assembly.

Abstract: 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.