Abstract: A method for an engine control unit to conduct real time updating of data tables based on feedback from the air flow sensor without external computing. The air fuel ratio is based on information received from an air flow meter, where a look-up table is actively tuned for the air flow calibration instead of the volumetric efficiency tables. Here, the look-up table involves a single dimension value so the calculations are simpler than more complex evaluations previously set forth.

Abstract: In accordance with one aspect of the present disclosure, an accumulator is provided for an engine exhaust treatment system. The accumulator includes a container, an inlet portion for receiving exhaust treatment fluid, a conduit in communication with the inlet portion of the container to withdraw exhaust treatment fluid from the inlet portion, and an outlet portion configured to receive exhaust treatment fluid from the inlet portion and having an outlet for discharging exhaust treatment fluid. The accumulator includes a weir separating the inlet portion and the outlet portion that permits exhaust treatment fluid in the inlet portion to flow into the outlet portion.

Abstract: A method and a system for providing vacuum via an engine are described. In one example, introduction of a gaseous fuel is ceased in response to a request for the engine to provide vacuum to a vehicle vacuum system.

Abstract: The invention relates to a device for dispensing a liquid additive into a fuel circulation circuit (2) for an internal combustion engine, in particular for an engine equipping a vehicle, said device comprising: a tank (26) containing the additive, an enclosure (24) communicating with the fuel circulation circuit (2) and inside which the tank (26) containing the additive is inserted, means for injecting additive connected to the tank (26) and the fuel circulation circuit (2) and making it possible to dispense the additive in the fuel circulation circuit (2), and control means for controlling the injection means.

Abstract: A method and a device for operating an internal combustion engine having a mass-flow line are provided, which allow the actual charge to be adapted to the setpoint charge of the internal combustion engine at a desired dynamic. A mass flow is supplied to the internal combustion engine via the mass-flow line. A setpoint value is specified for a characteristic quantity of the mass flow to the internal combustion engine. The setpoint value of the characteristic quantity of the mass flow is formed starting from a balance of the mass flow flowing into the mass flow line and the mass flow discharged from the mass flow line according to a predefined time characteristic.

Abstract: The present invention provides an integrated engine system, which includes an air-compression means, an air-buffer-system, a fuel-supplying means, an power-management-unit, and at least two cold-expansion-chambers; wherein, each of said at least two cold-expansion-chambers operates with a Simplified Mackay Four-Stroke Cycle, which includes a first-intake-process, a compression-process, a hot-combustion-process, a second-intake-process, a cold-expansion-process, and an exhaust-process.

Abstract: A fuel injector body has a fuel chamber and a valve seat around a fuel outlet. A valve body is positioned at the valve seat and a valve stem extends through the fuel outlet and fuel chamber. Engagement (disengagement) of valve body and valve seat closes (opens) the injector. The fuel chamber can comprise primary and secondary chambers connected by a valve passage and a metering member that restricts fuel flow between the chambers, thereby providing a flow-dependent closing force that reduces the dependence of fuel flow through the injector on fuel inlet pressure and that makes that flow dependent on an injector actuating force. The injector body or the valve body can comprise a spray-shaping surface arranged at least partly around the valve seat, which spray-shaping surface is arranged to direct a spray of fuel flowing through the fuel outlet.

Abstract: A method and a device for operating an internal combustion engine having a mass-flow line are provided, which allow the actual charge to be adapted to the setpoint charge of the internal combustion engine at a desired dynamic. A mass flow is supplied to the internal combustion engine via the mass-flow line. A setpoint value is specified for a characteristic quantity of the mass flow to the internal combustion engine. The setpoint value of the characteristic quantity of the mass flow is formed starting from a balance of the mass flow flowing into the mass flow line and the mass flow discharged from the mass flow line according to a predefined time characteristic.

Abstract: A method of and system for reducing engine environmental atmospheric pollution emissions from a vehicle having a combustion engine utilizing hydrocarbon fuel for at least one of propulsion and auxiliary electrical power is disclosed. The method basically includes providing an unprocessed bulk fuel storage container and a clean processed fuel tank on the vehicle, supplying the engine for propulsion with fuel from the unprocessed fuel storage container when the vehicle is beyond a predetermined distance from an area having environmental restrictions passing a portion of unprocessed fuel through a desulphurization process to fill a clean fuel storage container while the vehicle is in motion and supplying the combustion engine for one of propulsion and auxiliary electrical power from clean fuel in the processed fuel storage container when the vehicle is within an area having environmental restrictions.

Abstract: A variable fuel injection system for internal combustion engines is disclosed. In the injection system, a first control unit controls electromotive force for the solenoid coil of a fuel injector, thus controlling the amount of fuel to be injected from the nozzle of the injector into the combustion chamber of an engine. A second control unit controls the amount of actuating oil for the first control unit in accordance with an engine load, thus allowing the first control unit to control the electromotive force for the solenoid coil according to the engine load. The system controllably feeds fuel into the combustion chamber of an engine according to an engine load, thus conserving fuel with the amount of harmful exhaust gas being reduced.

Abstract: An injection arrangement for an internal combustion engine, especially a diesel engine, for injecting different pressure mediums directly into a cylinder of the engine, which arrangement includes a first valve (3), which is arranged to inject fuel, and a second (4) valve, which is arranged to inject an additional medium, by means of which the content of noxious substances resulting from burning of the fuel can be decreased. Said second valve (4) comprises an elongated valve member (5) movable within a valve body (2) against the force of a spring (12) and in association with the part of which located on the cylinder side there is arranged a chamber (6), which encircles the valve member (5) and into which said additional medium is arranged to be fed continuously under pressure.

Abstract: A bistable fluidic switch is switched from its stable state by a pin inserted in the power nozzle of the bistable fluidic switch, the pin being controlled by an electromagnetic actuator which is controlled from an electronic computer. The fluidic switch element has a cross-over type interaction region and a common outlet leading to a pair of output passageways, one of which returns fuel to the supply tank, and the other of which leads to the air intake manifold of the engine. Air is introduced into the output passageway leading to the engine so as to air atomize the fuel before injection of same into the air intake manifold.

Abstract: An improved fuel delivery system which combines the advantages of an ultrasonic spray with fluidic metering of fuel. A fuel delivery system is provided which includes a plurality of fluidic controls each of which is responsive to a particular engine condition. The fluidic controls are disposed in fluidic branches to meter fuel flow in response to each engine operating conditions. The fluidic devices are preferably configured in four branches to respond to choke (start), idle, acceleration and cruise conditions to meter fuel to an ultrasonic atomizing spray device.

Abstract: A fuel supply control system for an internal combustion engine is disclosed. The system comprises a means connecting to an air control apparatus, regulating flow of air into the engine, at least one chamber in fluid communication with the cylinders of the engine fuel delivery means, the fuel delivery means terminating in an aperture such that said fuel, when forced through said aperture forms a continuous stream.