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| Number | Title | Issue Date |
| 7727310 | System and method for removing volatile vapors from containers A system is configured to remove volatile organic compounds from a container. The system includes a vapor capture medium that is provided in a containment, and a particulatizer. The particulatizer is positioned to (i) receive volatile organic compounds that are remo... | 06/01/2010 |
| 7618479 | Adsorber for adsorbing hydrocarbon vapors from return flows through an intake tract of an internal combustion engine An adsorption element for adsorbing gases and vapors from the gas atmosphere in a gas stream in an intake tract of an internal combustion engine, in which the gas atmosphere is present in a flow cross section of the intake tract. The adsorption element has free-flow... | 11/17/2009 |
| 7597745 | Filter materials for adsorbing hydrocarbons A porous filter medium forms a filter or liner for extracting hydrocarbons from vapors emitted from a motorized vehicle, device or appliance fuel tank. The filter medium is a polymer network of a foam, nonwoven or collection of particles and has fine pore size and a... | 10/06/2009 |
| 7350511 | Fuel vapor control system A system for reducing escape to the atmosphere of hydrocarbon fuel vapors from a fuel tank for a combustion engine powered device including at least one functional member that directly communicates with the fuel tank and is constructed to receive and retain hydrocar... | 04/01/2008 |
| 7326275 | Method and apparatus for inferring hydrocarbon level in a scrubber A flow-through carbon adsorption device is provided with leads for imposing an electric current and with a temperature sensor at the desorption flow exit. The temperature sensor and electric current source are controlled by a controller. In adsorption mode, no curre... | 02/05/2008 |
| 7311088 | Passive evaporative emission control module 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 filte... | 12/25/2007 |
| 7294178 | Low loss hydrocarbon (HC) adsorber device for air induction system A hydrocarbon trapping device including an adsorbing element of a material configured to adsorb hydrocarbons from the air and a support connected to the adsorbing element is provided. The adsorbing element includes first and second opposing ends, and the support inc... | 11/13/2007 |
| 7278406 | Spiral-wound hydrocarbon adsorber for an air intake of an internal combustion engine A low-resistance hydrocarbon adsorber comprising a spiral-wound laminated structure for mounting into an entrance port of an engine air intake system to prevent hydrocarbon evaporations from reaching atmosphere. Preferably, the adsorber is formed as a cartridge and ... | 10/09/2007 |
| 7267112 | Evaporative emissions control system including a charcoal canister for small internal combustion engines An evaporative emissions control system for small internal combustion engines, including a charcoal canister which is in fluid communication with the air space above the liquid fuel within the carburetor of the engine and the air space above the liquid fuel within t... | 09/11/2007 |
| 7228850 | Fuel vapor recovery canister A vehicle fuel system includes a fuel vapor recovery canister containing a carbon bed configured to capture hydrocarbon material associated with fuel vapor discharged from the fuel tank into the canister. A purge vacuum is applied to the canister to draw fuel vapor ... | 06/12/2007 |
| 7222612 | Low-resistance hydrocarbon adsorber cartridge for an air intake of an internal combustion engine A low-resistance hydrocarbon-adsorptive cartridge for an air intake of an internal combustion engine comprising a structure for being mounted into a portion of an engine air intake system. The structure is adapted to orient and retain one or more thin sheets of acti... | 05/29/2007 |
| 7213581 | Throttle body with hydrocarbon adsorber A hydrocarbon adsorber system in accordance with the invention comprising a carbon adsorber element installed in a throttle body of an internal combustion engine. The element may be installed on a wall or in a groove in the wall of the throttle throat at a location ... | 05/08/2007 |
| 7182802 | 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. A mechanism is provided for mounting the evaporative emissions filter within ... | 02/27/2007 |
| 7179382 | Coated activated carbon for automotive emission control A method for avoidance of attrited carbon dust is disclosed to lead to improved canister performance in emission control. Product attrition by dusting of granular and shaped activated carbons is disclosed to be reduced significantly, or essentially eliminated, by th... | 02/20/2007 |
| 7163574 | 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. Hydrocarbon vapors present in the air induction system after engine shut-down... | 01/16/2007 |
| 7134941 | Methods for residue removal and corrosion prevention in a post-metal etch process A method of plasma assisted CO2 cleaning for dry removal of residual photoresist and sidewall polymer with an etch gas mixture comprising fluorine containing gas, oxygen and hydrogen in N2 or H2O. The process removes polymer residues... | 11/14/2006 |
| 7101260 | Methods for resist stripping and other processes for cleaning surfaces substantially free of contaminants A method for manufacturing an article where the article has polymeric residue that is to be removed during the manufacture of the article. The article is introduced into a controlled environment of a processing tool that has at least first and second processing cham... | 09/05/2006 |
| 7094730 | Gas treatment device, methods for making and using the same, and a vehicle exhaust system Gas treatment devices and vehicle exhaust systems are disclosed herein. In one embodiment, the vehicle exhaust system, comprises: an engine, a gas treatment device disposed downstream from the engine, the gas treatment device comprising a housing, a substrate dispos... | 08/22/2006 |
| 7022158 | Adsorption element and methods An adsorbent article having a base body or matrix onto which is applied an adsorptive coating. The body or matrix can be a honeycomb matrix or structure having a plurality of cells defining a plurality of passages extending through the body. The adsorptive coating c... | 04/04/2006 |
| 7021296 | Method and system of evaporative emission control using activated carbon fibers An evaporative emission control system for a vehicle comprises a scrubber containing an activated carbon fiber material selected to adsorb butane and/or pentane isomer vapors in low concentrations in air passing through the scrubber and to desorb the adsorbed butane... | 04/04/2006 |
| 6997977 | Adsorptive duct for contaminant removal, and methods A duct for passage of air therethough; one particular use for the duct is as a passage for intake air for a vehicle engine. The duct has an interior, adsorptive region that is adapted to remove contaminants from the air stream passing therethrough. The adsorptive re... | 02/14/2006 |
| RE38844 | Method for reducing emissions from evaporative emissions control systems Disclosed is a method for sharply reducing diurnal breathing loss emissions from automotive evaporative emissions control systems by providing multiple layers, or stages, of adsorbents. On the fuel source-side of an emissions control system canister, high working ca... | 10/25/2005 |
| 6913001 | Hydrocarbon adsorbing device for adsorbing backflow of hydrocarbons from a vehicle engine The present invention involves an air induction system having a hydrocarbon adsorbing feature for adsorbing backflow of hydrocarbons from a vehicle engine. The air induction system includes an air filter for filtering ambient air, a clean air duct in fluid communica... | 07/05/2005 |
| 6878185 | Method for separating fuel vapour-air mixtures and device for carrying out said method The subject of the present invention is a method and a device for the separation of fuel-vapor/air mixtures into their components, in particular for purification of vapor mixtures, such as occur in fuel tanks of motor vehicles. A preseparator is arranged between the... | 04/12/2005 |
| 6866699 | Process for the adsorption of organic vapours from gas mixtures containing them The invention is directed to a process for the adsorption of organic vapours from gas mixtures containing them onto activated carbon, where the process comprises passing the gas mixture consecutively through at least a first and a second adsorption system, the first... | 03/15/2005 |
| 6692551 | Air cleaner assembly and process An air cleaner assembly for an internal combustion engine and process for eliminating fuel emissions from passing into the atmosphere. The air cleaner assembly includes a housing including a filter element situated therein, an outlet for allowing filtered... | 02/17/2004 |
| 6669916 | Method and apparatus for purifying carbon dioxide feed streams Disclosed are a carbon dioxide purification process and apparatus including (i) an adsorbing step for removing a predetermined amount of hydrocarbons from a carbon dioxide feed gas to reduce the caloric value of the feed stream, and (ii) a catalytic oxida... | 12/30/2003 |
| 6645271 | Adsorption element and methods An adsorbent article having a base body or matrix onto which is applied an adsorptive coating. The body or matrix can be a honeycomb matrix or structure having a plurality of cells defining a plurality of passages extending through the body. The adsorptiv... | 11/11/2003 |
| 6540815 | Method for reducing emissions from evaporative emissions control systems Disclosed is a method for sharply reducing diurnal breathing loss emissions from automotive evaporative emissions control systems by providing multiple layers, or stages, of adsorbents. On the fuel source-side of an emissions control system canister, high... | 04/01/2003 |
| 6478849 | Vapor recovery system for fuel storage tank A vapor recovery system for a fuel storage tank. The system includes a pair of VOC adsorbent canisters that alternately recover VOC vapors from the fuel tank ullage or are regenerated. Regeneration of the VOC adsorbent canisters is provided by exhausting ... | 11/12/2002 |
| 6413484 | Catalytic oxidation of vapor emissions discharged during vehicle refueling A combustion system includes a catalytic oxidizer for oxidizing a mixture of air and fuel vapor. The amount of air provided for mixing with the fuel vapors is determined in accordance with the temperature of the oxidation reaction as measured by a tempera... | 07/02/2002 |
| 6066192 | Method of treating or recovering gaseous hydrocarbon contained in waste gas A method of treating a gaseous hydrocarbon contained in waste gas by using adsorbent layers of single-tower or multi-tower configuration is characterized in that (1) double-cylinder type or multi-cylinder type adsorption apparatus, in which each adsorbent... | 05/23/2000 |
| 5951741 | Hydrocarbon vapor recovery processes and apparatus An improved process and apparatus are provided for recovering hydrocarbons from an intermittent or continuous inlet air-hydrocarbon vapor mixture. The air-hydrocarbon vapor mixture is caused to flow through a bed of solid adsorbent whereby hydrocarbons ar... | 09/14/1999 |
| 5914457 | Activated charcoal canister An antidiffusion layer is provided between a first fuel adsorption layer communicated with a fuel tank and a second fuel adsorption layer communicated with air. Since adsorbing ability of the antidiffusion layer is lower than that of the first and second ... | 06/22/1999 |
| 5861050 | Thermally-managed fuel vapor recovery canister Described are preferred vapor recovery canisters which are useful in on-board vehicle fuel vapor recovery systems. The preferred canisters incorporate thermal management of solid adsorbent with phase change materials to improve both adsorptive and desorpt... | 01/19/1999 |
| 5837036 | Process and filter for removing organic substances and ozone from gases A process in which a gas containing ozone and an organic substance is brought into contact with an ozone-binding polymer to remove the ozone and activated carbon to remove the organic substance. The process preferably makes use of a filter containing an o... | 11/17/1998 |
| 5755854 | Tank ullage pressure control The invention relates to an apparatus and method for controlling the pressure in a fuel tank ullage. The apparatus includes a vapor pump which withdraws vapors from the tank ullage responsive to a signal generated by a pressure sensor in communication wit... | 05/26/1998 |
| 5658369 | Recovery of substances from exhaust streams A method for the collection and subsequent regeneration of substances exhausted through a vacuum pump. In a first phase, an exhaust stream from the pump to an adsorption bed in which one or more components of the stream are adsorbed. In a second phase, ad... | 08/19/1997 |
| 5653788 | Canister for an evaporated fuel processing device of an automobile A canister in which a supplying conduit is disposed at a position to penetrate through layers of an absorbent, includes a casing made of resin which includes a peripheral wall and a bottom integrally formed on the lower surface of the peripheral wall, and... | 08/05/1997 |
| 5599384 | Fuel vapor treatment device A fuel vapor treatment device adapted to prevent evaporative emission from an automotive vehicle has a casing formed of a plastic and defines therein a space filled with a fuel vapor absorbent. An end wall is sealingly connected to a first end of the casi... | 02/04/1997 |
