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| Number | Title | Issue Date |
| 8132560 | Bidirectional adsorbent-canister purging A method for combusting a vapor of a fuel accumulated in an adsorbent canister in a vehicle, the vehicle having an engine and a fuel tank coupled to the adsorbent canister. The method comprises, during a first operating condition including a higher availability of c... | 03/13/2012 |
| 8056540 | Method and system for fuel vapor control A method and system for fuel vapor control in a hybrid vehicle (HEV). The HEV fuel vapor recovery system includes a fuel tank isolation valve, which is normally closed to isolate storage of refueling from storage of diurnal vapors. The method for fuel vapor control ... | 11/15/2011 |
| 8042525 | Evaporated fuel treating apparatus An evaporated fuel treating apparatus that realizes enhanced exertion of the treating capability of a canister for evaporated fuel and thus efficient treatment of evaporated fuel. Vapor piping for feeding an evaporated fuel from fuel tank to canister is provided wit... | 10/25/2011 |
| 7882824 | Method for recovering vapor during an onboard refueling operation A method for recovering vapor during an onboard refueling operation comprising the steps of: providing a flow path between a fuel tank and a purge canister; providing a valve in the flow path; prov... | 02/08/2011 |
| 7261092 | Fuel-vapor processing system A system for processing fuel vapor includes a fuel tank having a pressure gauge, a gas separation membrane module having a gas separation membrane for separating fuel vapor into condensed fuel vapor and fuel lean vapor, a fuel-vapor dissolution device for introducin... | 08/28/2007 |
| 7161258 | Control apparatus for internal combustion engine In a control apparatus for an internal combustion engine, an amount of electricity to be generated by an alternator (a target charging voltage) is set based on a vapor concentration of vaporized fuel when a purge execution condition is met for purging the vaporized ... | 01/09/2007 |
| 7131430 | Emissions control system for small internal combustion engines An evaporative emissions control system for small internal combustion engines includes a control valve associated with a fuel line and with a vent line which each connect the fuel tank to the carburetor. When the engine is not running, the control valve automaticall... | 11/07/2006 |
| 7069916 | Evaporative fuel treatment apparatus for internal combustion engine A fuel tank is provided with an atmospheric air introduction hole so that the fuel tank communicates with the outside. As a result, the interior of the fuel tank is maintained at a pressure level between substantially atmospheric air pressure and positive pressure. ... | 07/04/2006 |
| 6910467 | Evaporated fuel processing apparatuses for engines with supercharger In an engine with a supercharger, there is provided an evaporated fuel processing apparatus for collecting vapor generated in a fuel tank into a canister and purging the collected vapor into an intake passage. The supercharger includes a compressor. The evaporated f... | 06/28/2005 |
| 6386186 | Fuel vapor handling system A fuel vapor handling system for a dual fluid fuel injection system, including: a fuel supply apparatus and a gas supply apparatus for respectively supplying liquid fuel and gas-vapor mixture to at least one delivery injector of the dual fluid fuel inject... | 05/14/2002 |
| 5614665 | Method and system for monitoring an evaporative purge system A method and system for monitoring an evaporative purge system for malfunctions and leaks. First, a plurality of predetermined entry conditions are checked for satisfaction. If the plurality of predetermined entry conditions have been met, a flow of vapor... | 03/25/1997 |
| 5275145 | Vapor recovery system for motor vehicles A system for automotive vehicles carrying a fuel tank for volatile fuels which is directed to avoiding the escape to atmosphere of fuel vapors which rise from the liquid fuel. The system includes a collector dome on the fuel tank and a storage canister fo... | 01/04/1994 |
| 5243944 | Tank-venting apparatus as well as a method and an arrangement for checking the operability thereof The invention is directed to a method of checking the operability of a tank-venting apparatus for a motor vehicle having a fuel tank and an internal combustion engine including an air intake pipe. The method includes the steps of: measuring the temperatur... | 09/14/1993 |
| 5080078 | Fuel vapor recovery control system A control system for an engine having both a fuel vapor recovery system and air/fuel ratio feedback control. The engine is equipped with a venturi in its intake passage. A vapor reservoir is coupled between the fuel vapor recovery system and a nozzle orif... | 01/14/1992 |
| 5050568 | Regulated flow canister purge system The evaporative emission control system for an internal combustion engine purges the vapor collection canister to the intake manifold through a purge regulator controlled by the engine ECU. The purge regulator comprises a diaphragm valve and an electronic... | 09/24/1991 |
| 4953514 | Device for the metered supplying of fuel vapor into the intake pipe of a combustion engine A device for the temporary storing and metered supplying of volatile fuel components present in the free space 22 of a fuel tank system 15 into the intake pipe 1 of a combustion engine 2. The device includes a deaeration pipe 25 which connects the free sp... | 09/04/1990 |
| 4932386 | Fuel-vapor purge and air-fuel ratio control for automotive engine A fuel-vapor purge and air-fuel ratio control system controls the amount of fuel vapor to be purged under an engine vacuum into a carburetor of an automotive engine from a charcoal canister and also controls the air-fuel ratio of an air-fuel mixture to be... | 06/12/1990 |
| 4836172 | Canister device for use in gasoline tank A canister device is used to collect fuel vapors generated in a vapor space within a gasoline tank and those generated in a filler neck thereof while the tank is being filled in a vapor absorbing material accommodated therein. The accumulated fuel vapors ... | 06/06/1989 |
| 4411241 | Method of controlling EGR for internal combustion engines An internal combustion engine has a primary intake passage including a primary throttle valve for supplying engine cylingers with an air-fuel mixture under a full range of loads, a secondary intake passage including a secondary throttle valve for supplyin... | 10/25/1983 |
| 4168686 | Apparatus for preventing the discharge of evaporated fuel gas An apparatus for preventing the discharge of evaporated fuel gas including a charcoal canister for absorbing and temporarily storing fuel gas, a purge port placed in the intake passage of the carburetor of the engine, a passage for evaporated fuel connect... | 09/25/1979 |
| 4133328 | Proportional fuel vapor purge flow control apparatus In a fuel vapor recovery system for an internal combustion engine, a proportional fuel vapor purge flow control apparatus is used to regulate the flow of a fuel vapor-air mixture to the induction system of the engine, the flow control apparatus including ... | 01/09/1979 |
| 4112898 | Internal combustion engine with charcoal canister Disclosed is an internal combustion engine provided with a charcoal canister for absorbing evaporative fuel issued from the fuel tank and/or the float chamber of the engine. A pipe is provided between the canister and the intake manifold which is always l... | 09/12/1978 |
| 4070828 | Device and method for recycling hydrocarbon vapors of I.C.E. vehicles The invention is directed to a novel method and means for recycling to the carburetor the hydrocarbon vapors emitted by a motor vehicle of the type comprising between the fuel tank and the pipe connecting the air filter to the carburetor a container or ca... | 01/31/1978 |
| 4059081 | EVAP system-provided throttle valve control unit An EVAP system-provided throttle valve control unit comprising a pressure-operative throttle positioner for opening and closing a throttle valve, said positioner being always connected to an intake pipe or an intake manifold, a pressure control valve devi... | 11/22/1977 |
