Having An Adsorbent Canister Patents (Class 123/519)
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Patent number: 10137771Abstract: A canister includes a canister case. The canister case includes a tank port, a purge port, and an atmospheric port. An adsorbent (14) is disposed in the canister case. The canister case also includes a case body having a peripheral wall portion and an end wall portion, and a cover having an end wall portion closing the open end of the case body. The tank port and the purge port are formed to be arranged side-by-side on the end wall portion of the case body. The atmospheric port, a holding tube portion configured to receive an OBD module for communicating with the atmospheric port, and a mount piece configured to mount to a vehicle are formed on the end wall portion of the cover.Type: GrantFiled: June 16, 2016Date of Patent: November 27, 2018Assignee: AISAN KOGYO KABUSHIKI KAISHAInventor: Takumi Tsuchiya
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Patent number: 10106030Abstract: In a vehicle in which a muffler are arranged below a rear floor panel configuring a floor of a rear portion of a vehicle interior and on a further rear side than rear wheels in a vehicle forward/backward direction, and a battery for auxiliary machines is arranged on the further rear side than the rear wheels in the vehicle forward/backward direction and is housed in a battery housing recessed portion, a canister is arranged between the muffler and the battery for auxiliary machines in a vehicle width direction.Type: GrantFiled: October 22, 2015Date of Patent: October 23, 2018Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Kenichi Kunii, Takayuki Sano
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Patent number: 10094344Abstract: A fuel supply device has a module installed in a fuel tank. The module has a cap and a support pillar arranged between the cap and a bottom of the fuel tank. The support pillar supports a suction filter and a level sensor to use the bottom of the fuel tank as a base point for defining proper positions. The cap supports a valve relevant to ventilation of the fuel tank. The valve is supported by a base portion. The valve is positioned in the support pillar. The valve and the support pillar are arranged to overlap each other along the height direction. Various components are arranged in the small cap.Type: GrantFiled: February 9, 2016Date of Patent: October 9, 2018Assignee: Kyosan Denki Co., Ltd.Inventors: Akihiro Ishitoya, Akihiro Kimura
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Patent number: 10086692Abstract: A tank filler neck including a filling line having an insertion end further away from the tank, designed to temporarily insert a breather pipe into the end region of the filling line further away from the tank, a passage line end closer to the tank, designed for passing through liquid in the direction away from the insertion end, a ventilation volume designed for through-flowing gas while passing liquid through the end of the passage line, a ventilation line which ends at a distance from the filling line and which can be blocked or released by a ventilation valve for through-flowing gas, a detecting device designed to detect a passage-ready state and/or a passage state of the filling line, and an operating device designed to adjust, as a function of the detection result of the detecting device, the ventilation valve between the blocking position and the release position.Type: GrantFiled: February 23, 2016Date of Patent: October 2, 2018Assignee: Röchling Automotive SE & Co. KGInventors: Luca Marini, Matteo D'Amato
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Patent number: 10086690Abstract: A draining arrangement comprising a pipe segment (12) having an aperture (14) defined by circumferential wall portion (16) and a draining tube (20) having an insertion end (22) configured to be introduced into said aperture and to engage said circumferential wall portion such that the circumferential wall portion is slightly bent inwardly, thereby sealingly engaging the insertion end, the insertion end includes a bore (24) providing fluid communication between the pipe segment and the draining tube, and a cutaway (25) configured to allow fluid from the pipe segment to enter the bore.Type: GrantFiled: September 17, 2015Date of Patent: October 2, 2018Assignee: RAVAL A.C.S. LTD.Inventor: Omer Vulkan
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Patent number: 10072618Abstract: An activated carbon filter apparatus has a housing with an interior space with an activated carbon filter arranged therein. The activated carbon filter is divided into a first region and a second region. An activated carbon filling is in each region. The two regions are divided into different sections by dividing walls. The sections being filled with activated carbon, and the sections of one region and the two sections at the transition between the first region and the second region are connected fluidically to one another by crossflow regions. A void volume is provided in the first region and/or in the second region below an activated carbon filling of one section to receive desorbed hydrocarbons.Type: GrantFiled: April 6, 2016Date of Patent: September 11, 2018Assignee: DR.ING. H.V.F. PORSCHE AKTIENGESELLSCHAFTInventor: Andreas Menke
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Patent number: 10060398Abstract: A fuel supply device has a module installed in a fuel tank. The module has a cap and a support pillar arranged between the cap and a bottom of the fuel tank. The support pillar supports a suction filter and a level sensor to use the bottom of the fuel tank as a base point for defining proper positions. The cap supports a valve relevant to ventilation of the fuel tank. The valve is supported by a base portion. The valve is positioned in the support pillar. The valve and the support pillar are arranged to overlap each other along the height direction. Various components are arranged in the small cap.Type: GrantFiled: February 9, 2016Date of Patent: August 28, 2018Assignee: Kyosan Denki Co., Ltd.Inventors: Akihiro Ishitoya, Akihiro Kimura
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Patent number: 10035417Abstract: A fuel vapor gas purge system includes a passage forming member forming an intake passage of an internal combustion engine, a valve device being attached to the passage forming member and including a valve element switchable between an allowed state in which the vaporized fuel is allowed to flow into the intake passage and a blocked state in which the flow of the vaporized fuel into the intake passage is blocked, an electric circuit energized to generate a driving force to drive the valve element into the allowed state or the blocked state, a switch portion including an electric contact portion that causes the electric circuit to be in a conductive state when the valve device is attached to the passage forming member, and causes the electric circuit to be in a nonconductive state when the valve device is detached from the passage forming member.Type: GrantFiled: November 2, 2016Date of Patent: July 31, 2018Assignee: Hamanakodenso Co., Ltd.Inventor: Hideya Tochihara
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Patent number: 10022664Abstract: Disclosed is a canister for a vehicle having an auxiliary canister, which includes: a main canister that has an inlet and an outlet formed therein, an evaporation gas being introduced into the main canister through the inlet from a fuel tank and the evaporation gas introduced through the inlet being discharged through the outlet to the intake side of an engine when the engine is driven, and has a trapping member therein; and an auxiliary canister that is installed to communicate with the main canister to allow external air to be introduced into the main canister or to allow the evaporation gas to flow when the engine is turned off, and has a second trapping member therein, wherein the auxiliary canister includes the second trapping member therein, which has a plurality of pores in the form of a honeycomb.Type: GrantFiled: July 5, 2016Date of Patent: July 17, 2018Assignee: LEEHAN CORPORATIONInventors: Min Young Park, Cheong Yong Cho
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Patent number: 10016715Abstract: Provided are encased parallel channel adsorbent contactor apparatus and systems and swing adsorption processes related thereto. Encased parallel channel adsorbent contactors are useful in swing adsorption processes. A plurality of the encased adsorbent contactors are loaded and sealed together in a swing adsorption vessel such that substantially an entire feed stream must pass through the channels of the contactors and not through stray gaseous stream paths between contactors.Type: GrantFiled: April 28, 2016Date of Patent: July 10, 2018Assignee: ExxonMobil Upstream Research CompanyInventors: Robert F. Tammera, Richard J. Basile, Jeffrey W. Frederick
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Patent number: 10018161Abstract: A vehicle fuel system includes a vapor recovery canister containing a primary carbon bed and a secondary carbon bed. Each carbon bed is configured to capture hydrocarbon material associated with fuel vapor discharged from a vehicle fuel tank.Type: GrantFiled: October 13, 2016Date of Patent: July 10, 2018Assignee: Stant USA Corp.Inventors: John B. Anderson, Matthew F. Bischoff, John C. Long, II, Michael S. Brock
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Patent number: 9995259Abstract: An evaporated fuel processing device includes a liquid level surface detection valve that detects a full-tank liquid level surface when refueling, and closes a canister communication hole; a fuel shutoff valve to close an evaporation hole when a liquid level surface becomes higher than the full-tank liquid level surface; and an outlet port communicating with a canister. A first communication path and a second communication path are formed in a folded back shape folded back at a first valve seat upper part in plan view. The first communication path enables communication between the first valve seat upper part and a second valve seat upper part, and the second communication path enables communication between the first valve seat upper part and the outlet port. This constitution reduces fuel liquid leakage from the outlet port.Type: GrantFiled: September 26, 2014Date of Patent: June 12, 2018Assignee: YACHIYO INDUSTRY CO., LTD.Inventors: Toru Matsuzaki, Kazunari Nakaya, Masato Shinozaki, Masaru Sawano
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Patent number: 9982636Abstract: A fuel vapor processing apparatus may include a first adsorption chamber, a second adsorption chamber and a third adsorption chamber that are connected in series with respect to a flow of gas. A ratio of a length to a diameter of the second adsorption chamber may be larger than that of the first adsorption chamber. A cross sectional area of each of the second and third adsorption chambers may be smaller than a cross sectional area of the first adsorption chamber.Type: GrantFiled: May 31, 2016Date of Patent: May 29, 2018Assignee: AISAN KOGYO KABUSHIKI KAISHAInventor: Ryuji Kosugi
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Patent number: 9976282Abstract: Leveled fuel levels in a fuel tank disposed at an undercarriage of a construction machine may ensure that the total fuel volume of the fuel tank may be accessible. The fuel tank may include a first fuel compartment and a second fuel compartment fluidly connected to the first fuel compartment and disposed at higher altitudes than the first fuel compartment. Furthermore, the fuel tank may include at least one step integrally formed with the first fuel compartment or second fuel compartment for facilitating entrance to an operator station of the construction machine.Type: GrantFiled: June 26, 2013Date of Patent: May 22, 2018Assignee: Caterpillar Inc.Inventors: Sven Voss, Thomas Mann, Josef Woess, Martin Pfab
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Patent number: 9970392Abstract: The present invention relates to a gas adsorption filter for an automobile, and provides an adsorption filter formed by coupling an adsorption block including an adsorbent, which collects and separates evaporation gas introduced into a canister, and a processing body in which a vent channel is ensured.Type: GrantFiled: November 5, 2014Date of Patent: May 15, 2018Assignees: KOREA FUEL-TECH CORPORATION, WONDAE CO., LTD.Inventors: Hyun Ki Kim, Min Soo Lee
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Patent number: 9970393Abstract: Methods and systems are provided for purging a fuel vapor canister during conditions when purge vacuum is limited, such as during boosted conditions. An exhaust-driven purge pump is used to flow positive pressure air through a canister, and purge the canister to a compressor inlet. The air is heated during the pressurization, improving hydrocarbon desorption from the canister.Type: GrantFiled: April 1, 2015Date of Patent: May 15, 2018Assignee: Ford Global Technologies, LLCInventors: Aed M. Dudar, Matthew Werner
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Patent number: 9956867Abstract: Methods and systems are provided for a latchable refueling valve designed to reduce noise associated with opening and closing the valve. In one example, a system may include a valve armature with first and second latch indices formed on an outer diameter of the armature. The latch indices may be rounded and configured to engage with a latch guide to enable rotation between the armature and the latch guide.Type: GrantFiled: August 19, 2015Date of Patent: May 1, 2018Assignee: Ford Global Technologies, LLCInventors: Robert Ognjanovski, Jr., Dennis Seung-Man Yang, Kevin Lucka, Russell Randall Pearce
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Patent number: 9945330Abstract: A method for diagnosing a fuel tank vent valve of a motor vehicle. In the method it is inferred, from a curve of a pressure p over time in a sub-chamber of the motor vehicle after a start-up of an internal combustion engine of the motor vehicle, as to whether the fuel tank vent valve is jammed open. The sub-chamber contains a fuel tank of the motor vehicle and is delimited by the fuel tank vent valve.Type: GrantFiled: May 13, 2015Date of Patent: April 17, 2018Assignee: ROBERT BOSCH GMBHInventors: Andreas Meinken, Simon Bruestle, Thomas Wieczorek, Johannes Kastner, Bernhard Deibele
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Patent number: 9945335Abstract: Embodiments of the invention provide an apparatus for damping or attenuating acoustic vibrations in an air induction system of a motor vehicle, the apparatus defining a passageway through which induction air may be drawn to an engine of the vehicle, the apparatus comprising: damping means, the damping means being provided around the passageway for damping or attenuating acoustic vibrations in the induction air; and hydrocarbon trapping means, the hydrocarbon trapping means comprising a sheet of trapping material provided around at least a portion of the passageway, the trapping means being arranged to provide a flow-past hydrocarbon trap for trapping hydrocarbon vapors entering the passageway from the engine.Type: GrantFiled: May 10, 2012Date of Patent: April 17, 2018Assignee: JAGUAR LAND ROVER LIMITEDInventor: Graham Jackson
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Patent number: 9945333Abstract: Fuel vapor emissions from a fuel tank directed to a canister containing adsorbent are minimized by an intermediate condenser and conduit configuration. Condensing and cooling fuel vapor emissions allows a reduction in canister capacity, where the canister can still meet and accommodate refueling and/or diurnal emissions control requirements. Pressurized and unpressurized fuel tanks for various vehicles, including vehicles with an internal combustion engine and hybrid electric vehicles, can be configured with the present fuel vapor recovery systems.Type: GrantFiled: August 23, 2016Date of Patent: April 17, 2018Inventor: Joel Kopinsky
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Patent number: 9937784Abstract: An auxiliary fuel tank for a flexible fuel vehicle is provided. The auxiliary fuel tank is mounted to an auxiliary tank body for storing gasoline fuel and is installed in an engine compartment of a flexible fuel vehicle. The auxiliary fuel tank includes a canister that is coupled to the auxiliary tank body and has activated carbon therein. The canister is configured to collect fuel evaporation gas generated in the auxiliary tank body to supply fuel components to an engine.Type: GrantFiled: July 19, 2016Date of Patent: April 10, 2018Assignee: Hyundai Motor CompanyInventors: Jong Ki Kim, Chang Han Kim, Jae Min Lee
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Patent number: 9890746Abstract: A fuel vapor canister is presented, comprising two or more pneumatically coupled concentric adsorbent beds, a vent port configured to deliver fresh air to an outermost concentric adsorbent bed, and a purge port configured to couple an engine intake to an innermost concentric adsorbent bed. The concentric adsorbent beds facilitate improved purging of the canister, thus decreasing bleed emissions. The concentric adsorbent beds may have a bi-conical structure yielding a conical flow path which allows fresh air to flow through the adsorbent beds equally, reducing the size of a canister heel.Type: GrantFiled: November 24, 2014Date of Patent: February 13, 2018Assignee: Ford Global Technologies, LLCInventor: Aed M. Dudar
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Patent number: 9869282Abstract: A canister is disposed in an underfloor regions ? which is surrounded by a muffler arranged under a floor panel at a rear end of a vehicle body, a rear differential gear unit arranged under the floor panel at a location adjacent to the muffler in a longitudinal direction of the vehicle body, and a rear suspension member arranged so as to cover the space between the muffler and the rear differential gear unit from the underside of the vehicle body.Type: GrantFiled: March 9, 2016Date of Patent: January 16, 2018Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Masahiro Yamamoto, Katsuyuki Hamada, Kenichi Kunii, Takayuki Sano
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Patent number: 9827849Abstract: A fuel tank may include a housing having an inner space formed therein and including a nozzle part formed at a side thereof to introduce fuel thereinto, an adsorber provided within the housing and configured to store fuel introduced through the nozzle part by adsorption, a diffuser located between the nozzle part and the adsorber within the housing and configured to diffuse the fuel introduced through the nozzle part and then to supply the fuel to the adsorber, and a filter unit located between the diffuser and the adsorber and configured to filter out foreign substances from the fuel diffused by the diffuser.Type: GrantFiled: November 17, 2015Date of Patent: November 28, 2017Assignee: Hyundai Motor CompanyInventors: Pil Seon Choi, Bu Yeol Ryu
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Patent number: 9821651Abstract: A fuel tank lid includes a lid part and a terminal. The lid part includes an inserted part inserted into an opening of a fuel tank, and a storage part storing a drive circuit. The terminal has a central portion covered by the inserted part and the storage part, a first end connected to a pump, and a second end connected to the drive circuit. The storage part includes a side wall that has a first opening and a second opening, an upper closure part that closes the first opening, and a lower closure part that closes the second opening. The fuel tank lid further includes a discharge structure positioned vertically lower than the upper closure part and discharging a fuel vapor that has travelled along an interface between the terminal and the lid part and entered a hollow space of the storage part, to an external atmosphere.Type: GrantFiled: March 26, 2015Date of Patent: November 21, 2017Assignee: DENSO CORPORATIONInventors: Tatsuya Kakehi, Noboru Nagase, Kiyoshi Nagata, Akihiro Konno
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Patent number: 9783046Abstract: A valve device for fuel tank has a case having an air flow valve orifice connected to outside of the tank at an upper part and a fuel inflow part beneath this air flow valve orifice, and being divided into an upper chamber and a lower chamber by a partition formed between the air flow valve orifice and the inflow part; an upper float body being inside the upper chamber and ascending by fuel flowing into the case to be seated in the air flow valve orifice; and a lower float body being supported inside the lower chamber of the case with an upwardly projecting guide shaft being inserted to be movable vertically inside an insertion part formed on the partition, and ascending by fuel flowing into the case to close a main connect-through part between the lower chamber and the upper chamber formed on the partition. A receiving hole for receiving the guide shaft of the lower float body is provided on the upper float body.Type: GrantFiled: December 9, 2010Date of Patent: October 10, 2017Assignee: NIFCO INC.Inventor: Xiaohui Sui
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Patent number: 9777679Abstract: A bypass flow channel that bypasses part of an adsorbent is provided between an engine-side port and an atmosphere-side port in a gas flow channel of a canister body. Furthermore, a flow rate increasing member that increases the ratio of flow rate in the bypass flow channel when the flow velocity of a gas at the time of purge has exceeded a predetermined value is provided.Type: GrantFiled: July 21, 2015Date of Patent: October 3, 2017Assignee: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Shinji Shimokawa
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Patent number: 9771884Abstract: A system according to the present disclosure includes a pump operating parameter module and a purge flow control module. The pump operating parameter module determines a value of an operating parameter of a purge pump that delivers purge fluid from a canister in an evaporative emissions system to an intake system of an engine. The operating parameter of the purge pump includes at least one of a speed of the purge pump, an amount of current supplied to the purge pump, and an amount of power supplied to the purge pump. The purge flow control module controls at least one of a purge valve and the purge pump to adjust an amount of purge fluid delivered to a cylinder of an engine based on the determined value of the operating parameter of the purge pump.Type: GrantFiled: February 5, 2015Date of Patent: September 26, 2017Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Darrell W. Burleigh, Christopher P. Musienko, Kenneth C. Swartz
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Patent number: 9732706Abstract: Methods and systems are provided for regulating the flow of fuel vapors exiting a fuel tank. In one example, a method for an engine may include adjusting an amount of fuel vapors flowing through a fuel vapor recirculation line, where the recirculation line may be coupled on a first end to a fuel tank and on an opposite second end to a fuel fill inlet. The valve may be adjusted to a more open position to increase fuel vapor flow through the recirculation line in response to increases in hydrocarbon emissions from a fuel vapor canister, and to a more closed position to reduce fuel vapor flow through the recirculation line in response to increases in hydrocarbon emissions from the fuel fill inlet.Type: GrantFiled: August 12, 2015Date of Patent: August 15, 2017Assignee: Ford Global Technologies, LLCInventors: Aed M. Dudar, Dennis Seung-Man Yang, Russell Randall Pearce
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Patent number: 9695765Abstract: A vapor return system of a fuel vapor collecting tank includes a vapor outlet line with a first stop valve, which is arranged in the vapor outlet line of the fuel vapor collecting tank. A first vapor return branch is arranged between the vapor outlet line of the fuel vapor collecting tank and a charge air duct of a compressor in a turbocharger. A second vapor return branch is arranged between the vapor outlet line of the fuel vapor collecting tank and a fresh air suction duct of the compressor of the turbocharger. The first vapor return branch is connected by a first check valve to the charge air duct. The second vapor return branch is connected by a second check valve to a suction inlet of a venturi nozzle situated in a bypass line between the charge air duct and fresh air suction duct via a second stop valve.Type: GrantFiled: August 26, 2015Date of Patent: July 4, 2017Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLCInventors: Arno Pflug, Joeran Zeiss
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Patent number: 9683523Abstract: A vapor purge system having a tank isolation valve and a canister vent valve, where each valve includes a latching mechanism for maintaining the valves in an open position, and a diagnostic test is performed on the purge system to prove that each of the valves are functioning correctly. Using latching valves in these applications reduces electricity draw from the battery and reduces electrical interference with integrated pressure sensors. The fuel tank is sealed by the tank isolation valve between the fuel tank and a vapor storage canister, and the canister vent valve provides sealing between the canister and the atmosphere, and controls venting of the canister. The diagnostic test is performed using the tank isolation valve and the canister vent valve under different operating conditions.Type: GrantFiled: September 11, 2014Date of Patent: June 20, 2017Assignee: Continental Automotive Systems, Inc.Inventors: David William Balsdon, Brian Gordon Woods
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Patent number: 9683526Abstract: A canister includes: a casing provided with a cylindrical case member having one end closed as a bottom portion and another end opened as an opened portion, and a cylindrical bottom case member closing the opened portion of the cylindrical case member, the casing being formed with a fuel vapor introducing port, a purge port and an air communication port; an adsorbent material disposed within the cylindrical case member; a pad member disposed between the adsorbent material and the cylindrical bottom case member; a grid member disposed between the adsorbent material and the cylindrical bottom case member, the pad member and the grid member being laminated as a lamination layer; and an air ventilation path formed to the grid member so as to extend in axial and radial directions of the casing in a meandering manner.Type: GrantFiled: January 23, 2015Date of Patent: June 20, 2017Assignee: ROKI CO., LTD.Inventors: Kazuya Matsuura, Takahiro Tashiro
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Patent number: 9677678Abstract: A venting valve for a container for liquid has a valve housing having a pressure compensation passage connecting the container interior with the container exterior. A valve member is arranged in the valve housing and controls the pressure compensation passage. An air-permeable filter body is secured within the valve housing and covers the pressure compensation passage, wherein a face of the filter body faces the container interior. A filter element covers the face of the filter body that is facing the container interior. The filter element is a securing element for the filter body. The filter element closes off an opening of the valve housing that opens into the container interior.Type: GrantFiled: August 22, 2014Date of Patent: June 13, 2017Assignee: Andreas Stihl AG & Co. KGInventor: Steffen Joos
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Patent number: 9657691Abstract: A canister has a housing whose one end is provided with a charge port and a purge port and whose other end is provided with a drain port and a heater. The housing is divided into a no-heat-application section on a charge port and purge port side and a heat-application section on a drain port side. The heat-application section is further divided into at least two spaces of a first space located on the drain port side and a second space located on a no-heat-application section side. The first space is filled with an activated carbon whose BWC is equal to or greater than 6 g/dL and less than 10 g/dL, and the second space is filled with an activated carbon whose BWC is 13 g/dL or greater. The heater heats whole of the heat-application section including the first space and the second space.Type: GrantFiled: November 25, 2015Date of Patent: May 23, 2017Assignee: MAHLE FILTER SYSTEMS JAPAN CORPORATIONInventors: Shuichi Eguchi, Junpei Omichi, Satoshi Seki
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Patent number: 9638647Abstract: The invention relates to a method of determining the retention capacity of fuel vapor filters for motor vehicles, wherein a temperature profile of the fuel is recorded on a motor vehicle in a SHED chamber during a temperature cycle. A fuel vapor volumetric flow for a temperature change is calculated from the temperature profile. In a measurement arrangement (1) fuel is evaporated by means of an evaporator (2) and is output by means of a charging pump (9) to a fuel vapor filter (4) disposed in an oven (5). The bleed emissions of the fuel vapor filter (4) are measured at least during the charging.Type: GrantFiled: May 23, 2013Date of Patent: May 2, 2017Assignee: Kautex Textron GmbH & Co. KGInventors: Daniel Harms, Volker Treudt
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Patent number: 9631584Abstract: 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.Type: GrantFiled: October 14, 2014Date of Patent: April 25, 2017Assignee: AISAN KOGYO KABUSHIKI KAISHAInventor: Katsuhiko Makino
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Patent number: 9624853Abstract: A method for purging a fuel vapor canister, comprising: responsive to an indication of vapor slugs, 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, the vapor slugs may be adsorbed within the fuel vapor canister and may not affect engine operation. In this way, purge operation may be maintained and emissions may be reduced.Type: GrantFiled: March 12, 2015Date of Patent: April 18, 2017Assignee: Ford Global Technologies, LLCInventors: Aed M. Dudar, Mark W. Peters, Richard Shimon
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Patent number: 9624877Abstract: A tubular hydrocarbon adsorption trap includes a fuel vapor permeable porous media sheet which is circularly wrapped around to form a circumferentially closed elongated tubular body having at least one interior chamber in which the hydrocarbon vapor adsorbent media is arranged. Opposing longitudinal edges of the wrapped media sheet are secured by ultrasonic welding or other means to securely close the circumference of the tubular body. The tubular body is closed on the top and bottom longitudinal edges to retain hydrocarbon vapor adsorbent media within. A method of manufacturing the tubular hydrocarbon adsorption trap is also disclosed.Type: GrantFiled: November 14, 2014Date of Patent: April 18, 2017Assignee: MANN+HUMMEL GMBHInventor: Rick Weckerle
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Patent number: 9606017Abstract: A method for determining an error in a pressure, which is measured by means of a pressure sensor in a pressure accumulator for accumulating fuel that can be let out of the pressure accumulator via an injection valve and injected into a cylinder, wherein the method comprises: determining at least two 3-tuples of a first pressure, a period of time, and a second pressure, wherein each first pressure is measured by the pressure sensor; wherein after measuring each first pressure, the valve is opened for a period of time; and wherein after the opening of the valve for the period of time, the second pressure is measured by the pressure sensor; and determining the error of the measured pressure from the at least two 3-tuples.Type: GrantFiled: February 26, 2013Date of Patent: March 28, 2017Assignee: CONTINENTAL AUTOMOTIVE GMBHInventors: Christoph Adler, Hans Riepl
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Patent number: 9605610Abstract: 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.Type: GrantFiled: June 10, 2014Date of Patent: March 28, 2017Assignee: Ford Global Technologies, LLCInventor: Aed M. Dudar
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Patent number: 9587594Abstract: An evaporated fuel processing apparatus includes a casing provided with a tank port, and the casing is provided with at least one adsorbent layer filled with adsorbent which adsorbs/desorbs evaporated fuel generated in a fuel tank or the like, a vapor-liquid separator separating the evaporated fuel introduced from the tank port into a vapor phase component and a liquid phase component thereof, respectively, and a filter separating the vapor-liquid separator from the adsorbent layer, and, a liquid storing member which is a component separate from the casing, and is opened at at least a tank port side for storing the separated liquid phase component is attached in the casing, and, the filter is fixed to an inner circumferential surface of the casing and the liquid storing member is sandwiched between the casing and the filter.Type: GrantFiled: December 18, 2014Date of Patent: March 7, 2017Assignee: Aisan Kogyo Kabushiki KaishaInventors: Yoshihiro Yasuda, Takashi Kato
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Patent number: 9587595Abstract: An active purge pump system module is provided for an evaporative emission control (EVAP) system for a vehicle. The EVAP system includes a fuel tank, a vapor collection canister in communication with the fuel tank, an air intake, and a purge valve connected between the canister and the air intake. The active purge pump system module includes a pump in fluid communication with the canister to move air independently of operation of the engine. A bypass valve assembly communicates with an upstream side and a downstream side of the pump to bypass the pump. In a closed position of the bypass valve assembly, the pump, when activated, moves purge vapor from the canister, through the purge valve, and to the engine to be consumed during combustion, and when the bypass valve assembly is opened and the pump is deactivated, vehicle refueling is permitted.Type: GrantFiled: October 14, 2014Date of Patent: March 7, 2017Assignee: Continental Automotive Systems, Inc.Inventors: Brian G. Woods, Thierry Collet, Manfred Weigl
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Patent number: 9555700Abstract: A tank ventilation system for a motor vehicle has a fuel tank, a fuel vapor store which is connected to a fuel tank, and a ventilating device which is connected to the fuel vapor store, in order to ventilate the latter. The ventilating device has an aeration line which opens in an interior space of the motor vehicle, which interior space is delimited on all sides by vehicle body parts from the surroundings of the motor vehicle.Type: GrantFiled: September 20, 2013Date of Patent: January 31, 2017Assignee: AUDI AGInventor: Gerd Kalauch
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Patent number: 9551304Abstract: 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.Type: GrantFiled: September 19, 2012Date of Patent: January 24, 2017Assignee: ROBERT BOSCH GMBHInventor: Matthias Haefele
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Patent number: 9547315Abstract: An internal pressure sensor detects an internal pressure of the fuel tank, which stores fuel. A solenoid valve is configured to close to seal the fuel tank and is configured to open to open the fuel tank. An internal pressure acquisition unit is configured to acquire an internal pressure of the fuel tank from the internal pressure sensor. A drive control unit is configured to control the solenoid valve to open when the internal pressure of the fuel tank is greater than or equal to a first predetermined value, which is a negative value, and is less than a second predetermined value, which is 0 or a positive value.Type: GrantFiled: July 19, 2013Date of Patent: January 17, 2017Assignee: DENSO CORPORATIONInventors: Yuichiro Miura, Shinji Sugihara
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Patent number: 9541043Abstract: A subassembly for adsorbing hydrocarbons with an air intake system of a motor vehicle is provided. The subassembly includes a plurality of stacked layers constructed of a hydrocarbon adsorbing material. The plurality of stacked layers includes at least one lowermost layer and an uppermost layer. The at least one lowermost layer includes a solid shape within an outer boundary. The at least one lowermost layer is adapted for attachment to a component of the air intake system. The uppermost layer includes an opening such that the uppermost layer provides access from an upper side of the subassembly to the at least one lowermost layer through the opening for attaching the subassembly to the component.Type: GrantFiled: March 31, 2015Date of Patent: January 10, 2017Assignee: MANN+HUMMEL GMBHInventors: Erich Fedak, Timothy Molascon, Jason Worrall
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Patent number: 9527381Abstract: A fuel filler lid device is capable of protrusion and movement and has a door hook which locks a fuel filler lid in a closed state by being urged in an extending direction by a spring and unlocks the fuel filler lid by being contracted/operated by a door motor. A wall portion that regulates extension of the door hook at a first position in a state locked by the door hook at a closed position is provided on the fuel filler lid. If a sensor detects that the door hook is at the first position for a predetermined time, it is determined that the fuel filler lid is in the closed state, while the sensor detects that the door hook is at a second position protruding more than the first position for a predetermined time, it is determined that the fuel filler lid is in an open state.Type: GrantFiled: December 18, 2014Date of Patent: December 27, 2016Assignee: MITSUBISHI JIDOSHA KOGYO KABUSHIKI KAISHAInventors: Atsushi Wakamatsu, Yutaka Fujiwara
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Patent number: 9518538Abstract: Systems and methods for operating an engine with a fuel vapor recovery system are disclosed. In one example approach, a method for an engine with a fuel vapor recovery system comprises increasing an amount of flow restriction between storage material in a fuel vapor canister while maintaining a vent valve open during a fuel vapor purging event.Type: GrantFiled: October 5, 2012Date of Patent: December 13, 2016Assignee: Ford Global Technologies, LLCInventor: Russell Randall Pearce
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Patent number: 9517445Abstract: Activated carbon materials and methods of producing and using activated carbon materials are provided. In particular, biomass-derived activated carbon materials and processes of producing the activated carbon materials with prespecified surface areas and pore size distributions are provided. Activated carbon materials with preselected high specific surface areas, porosities, sub-nm (<1 nm) pore volumes, and supra-nm (1-5 nm) pore volumes may be achieved by controlling the degree of carbon consumption and metallic potassium intercalation into the carbon lattice during the activation process.Type: GrantFiled: March 8, 2013Date of Patent: December 13, 2016Inventors: Jimmy Romanos, Jacob Burress, Peter Pfeifer, Tyler Rash, Parag Shah, Galen Suppes
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Patent number: 9494481Abstract: An evaporated fuel processing apparatus includes a valve between a canister and a fuel tank, and maintains the fuel tank in hermetic state by closing the valve while a vehicle is stationary, and adsorbs evaporated fuel by the canister by opening the valve during fuel filling, wherein the evaporated fuel occurs in the fuel tank. A diagnostic apparatus includes: a pump connected to a canister-side region with respect to the valve, and configured to pressurize a system of the canister and the fuel tank; and a pressure sensor for sensing an internal pressure of the system. The diagnostic apparatus starts pressurization by the pump with the valve closed; brings the system into a pressurized state by opening the valve with a delay after the start of pressurization; and performs a leakage diagnosis based on a change in the internal pressure of the system from the pressurized state.Type: GrantFiled: March 5, 2013Date of Patent: November 15, 2016Assignee: NISSAN MOTOR CO., LTD.Inventor: Shinsuke Takakura