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: One embodiment of the invention includes a method for managing a system. The method includes providing a plurality of system values and generating an event signal if one of the plurality of system values is logically related to a compare value. At least two of the plurality of system values are captured at a time that is related to the event signal. Other systems and methods are also disclosed.

Abstract: An air fuel injection engine including an air-intake passage configured to guide air taken in from outside to a combustion chamber formed by a cylinder block and a cylinder head, a fuel injector configured to inject fuel to an interior of the air-intake passage, and a water jacket through which cooling water flows to cool the air-intake passage. As viewed in a plane crossing an air flow direction in the air-intake passage and passing through a predetermined region of an inner wall of the air-intake passage, the predetermined region including a crossing point at which a fuel injection center line of the fuel injected from the fuel injector crosses the inner wall of the air-intake passage, the water jacket is configured to extend away from the crossing point along a circumferential direction of the air-intake passage, from a region near the predetermined region.

Abstract: A fuel pump drive system is provided. A system for an engine driven by an engine crankshaft may include a first variable cam device including a first hydraulic actuator, and a second variable cam device including a second hydraulic actuator. The system may further include an intermediate power transfer mechanism coupled between the first variable cam device and the second variable cam device upstream, in a direction of power flow from the engine crankshaft, of the first hydraulic actuator and the second hydraulic actuator. The system may further include an auxiliary device coupled to and driven by the intermediate power transfer mechanism. In this way, because the auxiliary device is driven via the intermediate power transfer mechanism and thus derives its power from upstream of the hydraulic actuator of the variable cam device, the actuator can be adjusted without having to overcome resistance torque of the auxiliary device.

Abstract: A spool valve is movably provided in a valve sliding space of a valve casing. The spool valve has a through-hole formed in the inside thereof, and a communication port formed in the spool valve is operatively communicated with a fluid port for controlling an opening area of the fluid port by moving within the valve sliding space. Multiple circular oil grooves are formed at an outer peripheral surface of the spool valve, into which high pressure fluid is supplied so that the spool valve can be smoothly moved in the valve sliding space.

Abstract: The fuel supply system of an internal combustion engine includes an electronic control unit (ECU) for transferring the engine from a state in which a high-pressure fuel pump does not deliver any pressurized fuel to a state in which the high-pressure fuel pump begins to deliver the pressurized fuel by gradually varying an output period of a drive signal for controlling opening/closing behavior of a solenoid valve while monitoring changes in fuel pressure detected by a pressure sensor, and for estimating a mounting error between angular mounting positions of the high-pressure fuel pump and a pump actuating cam with reference to a rotation signal from a state of the solenoid valve drive signal when a change in the fuel pressure has been detected. The solenoid valve drive signal is corrected based on the value of the mounting error estimated by the ECU.

Abstract: A glow plug includes: a tubular body (2) having at one of its ends a plug head as well as a fixing zone including elements (12, 13) for being fixed in a bore, an arm (4) mounted on the body (2) of the plug at the end opposite to the plug head, and a pressure sensor (8) sealingly insulated from the corresponding cylinder. The arm (4) is fixed to an elastically deformable tubular zone (17) designed to project inside the cylinder. The pressure sensor (8) is mounted between the arm (4) and a support component (18) fixed inside the tubular body (2).

Abstract: A common rail and injectors are connected by fuel pipes disposed outside a cylinder head cover. The common rail and the plurality of injectors integrated by the fuel pipes can be detached from a cylinder head, so that the plurality of injectors are detached from the cylinder head together with the common rail. In removing the cylinder head cover for inspection work, therefore, release of the connections of the fuel pipes to the injectors and to the common rail can be eliminated to minimize the release of the connection of piping.

Abstract: 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 assembly includes a piston valve that provides both the vent and anti-drainback. The valve is actuatable by fluid pressure to a first position that restricts drainback, a second position that restricts venting, and intermediate positions between the first and second positions which permit venting.

Abstract: The invention aims to prevent the dust passing through a gap provided for sliding movement of bypass valve from being attached to a screw mechanism, and thus to guarantee smooth motion of the screw mechanism. Provided is a bypass-intake-flow control apparatus including a throttle body in which a bypass and a valve hole that is open into the course of the bypass are formed. A bypass valve to open and close the bypass is slidably but not rotatably fitted into the valve hole. An actuator is attached to the throttle body with an output shaft arranged coaxially with the bypass valve. The screw mechanism links the output shaft and the bypass valve. A bottomed hollow portion is formed in the bypass valve with an opening facing the actuator. A dust cover that surrounds the screw mechanism in the hollow portion is attached to the throttle body.

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 throttle assembly including a first throttle component that is formed of a plastic material including a conductive additive substantially homogeneously dispersed within the plastic material, and a second throttle component is axially aligned with the first throttle component and movable relative to the first throttle component between a first position and a second position to selectively vary a flow through the throttle assembly. A terminal is coupled to the first throttle component such that electricity may be provided to the first throttle component, thereby resistively heating the first throttle component via the conductive additive and a flow window is defined in one of the first throttle component and the second throttle component.

Abstract: A system and method to heat a fuel injector is described. Resistive heating may be selectively applied to improve the performance of a fuel injector. Specifically, current can be supplied to an electrically operable mechanical valve to improve the operation of the valve at lower temperatures. The method can improve engine performance and lower emissions, at least under some conditions.

Abstract: A throttle plate for use with internal combustion engines comprised of a relatively thin piece of material so that installation of the throttle plate between the carburetor or throttle body and intake manifold of a vehicle does not require additional brackets or components to correct throttle cable linkage length or geometry. The throttle plate comprises a plate having apertures to accommodate pre-existing connectors and a perimeter that corresponds to connections between, and the geometry of, the carburetor or throttle body and intake manifold. The plate fits between the carburetor or throttle body and intake manifold and defines at least one airflow hole corresponding to the airflow path in the carburetor or throttle body. If there are multiple airflow paths between the carburetor or throttle body and intake manifold, then there will be multiple airflow holes. One or more vanes integral with the plate extend radially from the perimeter of each airflow hole toward its center.

Abstract: In a fuel pump in the form of a side-channel pump for a motor vehicle two partially annular ducts (21, 22) concentrically enclosing one another are connected to one another via a connecting duct (29). Connections (33, 34) of the connecting duct (29) to the partially annular ducts (21, 22) are laid so that at a rated speed of the fuel pump the same pressure prevails in each of them. If the speed falls below the rated speed, fuel passes from the radially outer, partially annular duct (22) into the radially inner, partially annular duct (21). A sufficient delivery capacity through the radially inner, partially annular duct (21) is thereby ensured.

Abstract: A fuel supply system has an air chamber that contains a fuel injector. At least one aperture is formed in a substantially lowermost portion of a lower surface of the air chamber. The aperture and the lower surface have a generally uninterrupted or smooth transition or interface.

Abstract: A fuel supply system for delivering fuel to, for example, a common rail of a diesel engine fuel injection system. The fuel supply system includes a priming pump, a feed pump, a fuel filter disposed downstream of the feed pump, a return path, and a return valve. When the pressure of the fuel between the feed pump and the fuel filter exceeds a first set pressure, the return valve is placed in a first open position to open the return path to return the fuel from downstream to upstream of the feed pump. When the pressure of the fuel, as fed by the priming pump, exceeds a second set pressure, the return valve is placed in a second open position to open the return path to direct the fuel, as fed by the priming pump, to upstream of the fuel filter to prime the fuel filter directly.

Abstract: This invention provides an internal combustion engine that has a substantially increased expansion ratio, a variable compression ratio, and subsequently a significantly improved thermal efficiency. This improvement in thermal efficiency is attained without involving a complex mechanical structure or an enlarged engine size. The engine comprises at least a piston and cylinder assembly including a piston reciprocatingly mounted within the cylinder space, and at least two combustion chambers associated with said cylinder, each said combustion chamber having a port leading to said cylinder space and a combustion-chamber valve, said valve opens and closes said port to establish or block the communication between said combustion chamber and cylinder space, wherein said internal combustion engine is adapted to operate on preferred cycles in accordance with load conditions to substantially increase the engine's expansion ratio or provide a variable compression ratio mechanism under part load conditions.

Abstract: An apparatus includes a housing configured to receive a portion of a fuel pump. The housing defines a first flow path, a second flow path and a third flow path. The first flow path is in fluid communication with a fuel outlet portion of the fuel pump. The second flow path is in fluid communication with the first flow path. The third flow path is in fluid communication with the second flow path. A side wall of the housing defines a venturi within the second flow path at a location downstream from an intersection of the third flow path and the second flow path. A flow control member is disposed within the second flow path at a location upstream from the intersection of the third flow path and the second flow path. The flow control member is configured to regulate the fuel flow within the second flow path.

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).