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| Number | Title | Issue Date |
| 8166955 | Fuel vapor separator with evaporative emissions chamber and marine fuel system and engine therewith A unitized fuel vapor separator and evaporative emission device; marine fuel system, and marine engine therewith are provided. The device includes a fuel vapor separator and evaporative emissions chamber having a common wall separating the fuel vapor separator from ... | 05/01/2012 |
| 8161948 | Method for testing the function of a pressure switch of a tank ventilation system, control device, and internal combustion engine The switched state of a pressure switch in a tank ventilation system of a motor vehicle is used for testing the function of the tank ventilation system, the pressure switch being in a low-pressure position if the pressure in the tank ventilation system is lower than... | 04/24/2012 |
| 8146570 | Fuel system for vehicle with engine A fuel system for a vehicle with an engine includes: a fuel tank for storing fuel: first and second ports disposed on a wall of the fuel tank, between which wall and a fuel fluid level a clearance is created when the fuel is contained in an allowable maximal amount ... | 04/03/2012 |
| 8118011 | Marine vessel propulsion device A marine vessel propulsion device includes an engine, a fuel injection device, an intake system, a vapor separator tank arranged to separate fuel vapor from liquid fuel to be supplied to the engine, a pump unit arranged to transport the fuel from the vapor separator... | 02/21/2012 |
| 8042522 | Fuel rail vent system A fuel rail vent system for evacuating air from a fuel rail includes a first fuel reservoir and a first fuel line extending between the first fuel reservoir and the fuel rail. A fuel pump is configured in fluid communication with the first fuel reservoir to pump liq... | 10/25/2011 |
| 8042523 | Fuel supply system for vehicle A fuel supply system for a vehicle may include a fuel tank including a mounting portion protruding downwards from an upper inner surface of the fuel tank, a fuel limit vent valve and a rollover valve that is connected with the fuel limit vent valve within the fuel t... | 10/25/2011 |
| 7946277 | Fuel vapor storage and recovery system A fuel vapor storage and recovery system of an internal combustion engine includes a fuel tank and a filter device arranged in a tank venting line. A heat exchanger is disposed in the tank venting line. The heat exchanger cools the fuel vapors flowing from the fuel ... | 05/24/2011 |
| 7913671 | Device for the venting circuit of a liquid tank and valve incorporating said device A device for a venting circuit of a liquid tank provided with a canister and a filling tube including a filling head, this device comprising: a) a control chamber that communicates with: the canister via a main orifi... | 03/29/2011 |
| 7909023 | Fuel supply systems A fuel supply system that includes a fuel pump, a jet pump, a first device and a second device. The fuel pump has a first port, a second port and a third port. Each of the first and second ports is configured to discharge a pressurized fuel. The third port is config... | 03/22/2011 |
| 7900606 | Systems and methods for purging air of a fuel injection system A system for a vehicle includes an initialization module and a purge control module. The initialization module generates an initialization signal based on a crankshaft speed signal and/or a fuel rail pressure signal. The initialization module also generates the init... | 03/08/2011 |
| 7891344 | Fuel tank A fuel tank has a tank body and a fuel inlet projecting upwardly from the tank body. The fuel tank includes a cylindrical member extending into the tank body, a canister, and a discharging passage in communication with the canister housing an adsorbent for absorbing... | 02/22/2011 |
| 7856965 | Natural vacuum leak detection device using diaphragm-seal mechanism A system and method are provided for detecting a leak in an automotive fuel system. The functions of vacuum sensing, vacuum relief (high vacuum relief level) and pressure relief (high pressure relief level) are all performed by a single self-actuated diaphragm-seal ... | 12/28/2010 |
| 7849837 | Vaporized fuel processing device in work machine In an working machine in which: an engine and a fuel tank for the engine are mounted on a machine body; an air cleaner mounted outside the machine body has a cleaner case including a cylindrical case body and a lid body being mounted on one end of the case body, and... | 12/14/2010 |
| 7810474 | Venting device for fuel tank The fuel tank venting device is furnished with a full fuel control valve and a rollover valve that are installed on a fuel tank, and a fuel tank valve unit having a pressure valve that is situated between a canister and the two valves. The pressure valve is furnishe... | 10/12/2010 |
| 7784449 | Vehicle, in particular a motor vehicle with a tank ventilation system The invention relates to a motor vehicle, with a fuel tank which has tank ventilation, the tank ventilation for adsorption of fuel vapors having an activated charcoal filter through which a flushing air flow can flow, and with a vehicle unit which has a vacuum pump,... | 08/31/2010 |
| 7779820 | Liquid separator A liquid separator that can be used in a vehicle fuel system can have, among other components, an inlet portion, a deflector surface, and an outlet portion. The inlet portion can receive fluid from a fluid tube that communicates with a fuel tank. The deflector surfa... | 08/24/2010 |
| 7757673 | Three position fuel line check valve for relief of diurnal pressure Prior art fuel line check valves remain closed after engine off and cool down. Diurnal heating and the resultant pressure increase in the fuel line causes fuel vapor emissions through small openings in the fuel line (e.g., at the injector tips). The invention provid... | 07/20/2010 |
| 7717092 | Fuel system with air venting and fuel anti-drainback A fuel system of an engine is provided with a venting assembly to vent air that accumulates within a fuel filter of the fuel system and provides anti-drainback of clean fuel back toward the fuel filter when the engine is turned off. In one embodiment, the venting as... | 05/18/2010 |
| 7699042 | Filtration device for use with a fuel vapor recovery system A filtration device for filtering air for use with a fuel vapor recovery system. According to one aspect, the device includes a housing defining a chamber having a rotational axis an upper end and a lower end, a cap closes the housing and includes at least one gener... | 04/20/2010 |
| 7690362 | Flange mounted valve manifold A flange assembly 10 is provided for a fuel supply unit of a vehicle. The assembly 10 includes a flange 12 constructed and arranged to cover an opening in a fuel tank. The flange has an interior portion constructed and arranged to be exposed to ... | 04/06/2010 |
| 7665447 | Fuel vapor control devices A fuel vapor control device include a fuel tank for storing fuel, a canister for adsorbing fuel vapor produced in the fuel tank, and an evaporation path communicating between the fuel tank and the canister. The tank has a resiliently deformable wall portion that can... | 02/23/2010 |
| 7631635 | Liquid separator and vented fuel tank arrangement A fuel system includes a fuel tank and a liquid separator. The fuel tank includes an interior in which liquid fuel and fuel vapor are contained, and has at least one vent in fluid communication with a vapor dome in the interior of the fuel tank. The liquid separator... | 12/15/2009 |
| 7610904 | Hydrocarbon adsorber for air induction systems An inlet conduit for an engine air induction system, comprising: a plurality of openings located about the inlet conduit; a hydrocarbon vapor-adsorbent member disposed on an exterior surface of the inlet conduit, the hydrocarbon vapor-adsorbent member covering the p... | 11/03/2009 |
| 7600506 | Fuel tank having improved thermal stability 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... | 10/13/2009 |
| 7600505 | Fuel system purge and starter system A recoil starter for an internal combustion engine has a housing with a pulley carried at least in part for rotation therein. The pulley is arranged in operable communication with a crankshaft of the engine. A pull cord is wound about the pulley with one end of the ... | 10/13/2009 |
| 7591251 | Evaporative emission controls in a fuel system A method, fuel system, and components for facilitating the delivery of liquid fuel from a fuel tank in fluid communication with a float bowl carburetor of an internal combustion engine, wherein evaporative emissions of the fuel from the fuel tank and float bowl carb... | 09/22/2009 |
| 7578285 | Hydrocarbon adsorption filter for air intake system evaporative emission control The present invention is directed to the use of an improved hydrocarbon adsorbent coating for the treatment of evaporative emissions from a motor vehicle. More specifically, one or more hydrocarbon adsorbents, in accordance with the present invention, can be coated ... | 08/25/2009 |
| 7565900 | Fuel property determining apparatus, leakage detecting apparatus, and injection control apparatus A fuel property determining apparatus is provided to a fuel vapor treatment apparatus. The fuel vapor treatment apparatus controls purging of mixture containing fuel vapor, which is generated in a fuel tank and temporarily adsorbed in a canister, into an intake pipe... | 07/28/2009 |
| 7559315 | Regenerative fuel pump A rotodynamic fuel pump in a fuel delivery system for an internal combustion engine including a pump housing, a pump inlet channel extending through the housing allowing fuel to be drawn into the pump, a purge orifice extending through the housing and spaced away fr... | 07/14/2009 |
| 7556025 | Evaporative emission control apparatus and method A system of mechanical components that operate cooperatively to control evaporation of fuel or hydrocarbon leakage from engines is disclosed. In at least some embodiments, the system of mechanical components comprises a first valve assembly and a second valve assemb... | 07/07/2009 |
| 7556026 | Hydrocarbon adsorber for air induction systems An inlet conduit for an engine air induction system is provided, the inlet conduit having a plurality of openings located about a portion of the inlet conduit, the plurality of openings being disposed in a cavity of the inlet conduit; a hydrocarbon vapor-adsorbent m... | 07/07/2009 |
| 7543572 | Hydrocarbon adsorber for air induction systems An inlet conduit for an engine air induction system, comprising: a plurality of openings located about the inlet conduit; a hydrocarbon vapor-adsorbent member disposed on an exterior surface of the inlet conduit, the hydrocarbon vapor-adsorbent member covering the p... | 06/09/2009 |
| 7484500 | Fuel vapor treatment apparatus A fuel vapor treatment apparatus includes a canister, a fuel vapor supply tube and a booster pump. The booster pump compresses fuel vapors retained in the canister and feeds the fuel vapors in the form of a compressed gas to fuel injectors of an engine via the fuel ... | 02/03/2009 |
| 7448365 | Controlling vapor emission in a small engine fuel tank system A fuel vapor emission system for small engine gas tank which does not require redesign or retooling for manufacturing of the tank. A new filler tube has the lower end positioned to cause fuel to rise rapidly in the tube before the tank is full, signaling the operato... | 11/11/2008 |
| 7444995 | Fuel line check valve system for relief of diurnal pressure Prior art fuel line check valves remain closed after engine off and cool down. Diurnal heating and the resultant pressure increase in the fuel line causes fuel vapor emissions through small openings in the fuel line (e.g., at the injector tips). The invention provid... | 11/04/2008 |
| 7438051 | Method and device for supplying internal combustion engines with fuel A method and a device for supplying fuel to internal combustion engines comprise a regulated high-pressure system and a controlled low-pressure system, wherein an adaptation value for correcting the desired preliminary pressure is detected in an adaptation mode, in ... | 10/21/2008 |
| 7438059 | Evaporative emission control system and method for small engines A small engine fuel tank vapor emission system is described with a separate surge tank having a vapor vent/rollover valve and separate a vapor storage space which may be found in a common housing or remote from the surge tank. The surge tank is located at a level ab... | 10/21/2008 |
| 7430469 | Motor vehicle control method of internal combustion engine In a motor vehicle, when an intake air temperature Ta is not lower than a preset reference temperature Tref, warm-up drive control selectively uses an evaporated fuel processing acceleration operation curve, which gives a high level of a negative pressure in an inta... | 09/30/2008 |
| 7428914 | Flow control valve A flow control valve includes a housing, a valve element, a valve-element urger, a first valve, and a second valve. The first valve closes the communication between inlet and outlet openings of the housing gradually when the valve-element urger moves the valve eleme... | 09/30/2008 |
| 7406954 | Fuel pump check valve A high-pressure fuel pump (10) used in a fuel system includes an electric motor (14) having a drive shaft (16) to which is attached a pumping element (18). A fuel inlet passage allows low-pressure fuel to be drawn into the pump, and a fue... | 08/05/2008 |
