Abstract: A method for operating an internal combustion engine includes a step of providing an oxygen-containing gas having greater than 22 volume percent oxygen and combining the oxygen-containing gas with a fuel to form a combustible mixture. The combustible mixture is provided to an internal combustion engine wherein combustion of the combustible mixture drive the internal combustion engine. An internal combustion system executing the method is also provided.

Abstract: Provided are systems and methods for transport vehicles using recyclable metallic fuels. The method includes capturing fuel products, including a metal oxide and unburnt fuel from the combustion of a metallic fuel, storing the unburnt metallic fuel and the fuel products, and recycling the metal oxide to recreate the metallic fuel and/or byproducts. Heat generated by the combustion and/or sintering of the metallic fuel may be transferred to a working fluid to drive the production of electricity and/or to provide propulsion in land, air and water vehicles and spacecraft. Furthermore, the thermal energy harvesting system may be used to generate electricity. The system includes a thermal (heat) engine having an induction heating assembly for heating the metallic fuel. Processes for complete combustion of the metallic fuel and recycling the metallic fuel in a sintering loop are described.

Abstract: Internal combustion engines, including engines producing power from solid or slow burning fuel(s), such as biological-based or petroleum-based fuels, wood, corn, biomass, coal, and waste products, and/or possibly other liquid or gaseous fluids, as well as methods for operating or implementing such engines, are disclosed herein. In an example embodiment, the engine includes a crankshaft, a piston, a cylinder having an internal cavity and several ports, and an assembly having a chamber having a first region within which solid fuel can be situated and combusted. The assembly further includes a diverter valve so that, depending upon a setting of the valve and during engine operation, first and second amounts of compressed air respectively proceed to the first region and to bypass the first region, and a combination of combustion products and the second amount proceeds via one of the ports to the part of the internal cavity.

Abstract: A coating for reducing high-temperature oxidation of a piston for an internal combustion engine is provided. This coating is obtained by means of a composition containing titanate or zirconate, wherein at least one metal pigment is introduced into the coating.

Abstract: A GDi fuel pump comprising an inlet valve assembly arranged in an inlet passage of the pump housing. The inlet valve assembly comprises a check valve comprising a seat member cooperating with a valve member; and an actuator assembly having a needle assembly reciprocally moveable by means of a magnetic field to actuated the valve member. The needle assembly includes an actuating needle, an armature, a washer with a plurality of through holes and an obturating member. The obturating member comprises a plurality of flexible blades, each blade comprising an obturating pad configured to be moveable between a rest position, wherein the obturating pad rests on the washer and closes a respective through hole thereof, and a raised position, raised from the washer when the needle moves away from the check valve.

Abstract: An intake manifold for an engine includes a premixing chamber, a pressure stabilizing chamber, and multiple intake passages. The intake passages are connected with a bottom of the pressure stabilizing chamber. A first end of the premixing chamber includes an intake end having an air inlet. A second end of the premixing chamber is communicated with the pressure stabilizing chamber and is close to a top of the pressure stabilizing chamber. An exhaust gas inlet is disposed on the premixing chamber and close to the air inlet. The engine includes an engine body and the intake manifold for the engine. The vehicle includes a vehicle body and the engine.

Abstract: An intake assembly for an internal combustion engine, includes an intake manifold including a first plenum and a plurality of intake runners, the first plenum including an air supply inlet, the intake runners configured to be couplable to a cylinder head of the engine for supplying an air-fuel mixture thereto, the intake manifold configured such that, in use, air is supplied from the air supply inlet to the intake runners via the first plenum; a plurality of fuel injectors, each arranged to inject a fuel into one of the intake runners; and a fuel rail coupled to the plurality of fuel injectors, the fuel rail including a fuel supply inlet, and configured to supply fuel from the fuel supply inlet to the plurality of fuel injectors, in use. The fuel rail is mounted to the first plenum.

Abstract: A linear electric machine includes a shaft and at least one piston assembly operably coupled with the shaft. The piston assembly includes a piston, a piston body, and an expansion chamber. The piston body defines a dome structure at the expansion chamber. The piston is a domed piston corresponding to the dome structure. The linear electric machine also includes a heater body positioned at an outer end of the expansion chamber adjacent to the dome structure. The piston body further defines an exterior surface corresponding to a shape of the dome structure. The exterior surface includes a plurality of surface features protruding therefrom and is arranged between the heater body and the dome structure. The plurality of surface features decrease a heat load across the exterior surface of the piston body.

Abstract: A film formation portion is formed on an annular edge portion along an opening portion (16a) of an intake port (16) or an opening portion (17a) of an exhaust port (17). The cross section, along the radial direction of the intake port (16) or the exhaust port (17), of the film formation portion, on which a metal film (5) is formed by spraying a raw material powder using a cold spray method, is formed in a groove shape that includes a flat bottom surface (G1) and a pair of side surfaces (G2) adjacent to the bottom surface.

Abstract: An arrangement includes a transmission, a pitch tube, and a fixation device configured to affix the pitch tube in the transmission. The fixation device is electrically insulated from the pitch tube. The pitch tube can be axially movable relative to the fixation device. The pitch tube can be fixed in a shaft or a rotatably-mounted planet carrier of the transmission by the fixation device.

Abstract: An internal combustion engine includes an engine block, a piston, and a cylinder head. The engine block includes a cylinder block having a cylinder bore, a crankcase defining a crankcase chamber with a crankshaft positioned within the crankcase chamber, and a cylinder sleeve fabricated from a self-lubricating plastic material. The cylinder head is coupled to the cylinder block to form a combustion chamber. The piston includes a piston top adjacent the combustion chamber, a piston body including a wrist pin hole configured to receive a wrist pin, a first piston ring positioned on the piston body, and a non-metallic gasket positioned on the piston body closer to the combustion chamber than the first piston ring and structured to prevent combustion gases from escaping the combustion chamber. The crankcase chamber is oilless.

Abstract: An epicyclic power gear box for a gas turbine engine delivers torque from a low speed shaft to the primary fan. The gear box includes a planet gear and a bearing pin for the planet gear, sun gear and ring gear. The planet gear and bearing pin are arranged so that a clearance between the two is maintained during a takeoff condition for the gas turbine engine.

Abstract: A method for moving a vehicle in a reverse direction is provided. The method includes: providing an internal combustion engine, a transmission, and an electric machine; adjusting a valve timing of either an intake valve or an exhaust valve during a non-firing mode of the internal combustion engine to reduce a rotational resistance; and, rotating the internal combustion in a backwards or reverse direction so that the vehicle moves in a reverse direction.

Abstract: The present invention relates to a dimethyl ether-fueled (DME-fueled) generator. Since the DME-fueled generator uses DME which is a clean fuel, there is no fine dust in the exhaust gas.

Abstract: A piston may have an annular body including a crown portion defining a longitudinal axis, a radial direction perpendicular to the longitudinal axis, a plane containing the longitudinal axis and the radial direction, and a contoured combustion bowl. In the plane containing the longitudinal axis and the radial direction, the crown portion includes a radially outer squish surface, and a swirl pocket having a reentrant surface that extends axially downwardly and radially outwardly from the squish surface defining a tangent that forms a reentrant angle with the squish surface that ranges from 53.0 degrees to 57.0 degrees.

Abstract: A filter element has a filter mat web (10) with free, mutually adjacent web ends (12) joined along a joint (16) forming a hollow body. The joint (16) is made of at least one connecting part (18), which is provided with groove-shaped receiving channels (20, 22. Each of the receiving channels is used to receive one web end (12) of the filter mat (10).

Abstract: The invention relates to a filter cartridge (32) for a liquid such as fuel, said filter cartridge being intended to be positioned inside a filter housing (30) and comprising a filter media (38) defining an inner volume (V38), a lower end plate (40), and an upper end plate (42), including a liquid passage opening (O42), which communicates with the inner volume of the filter media. The upper end plate (42) includes an automatic degassing valve (50).

Abstract: An engine control device includes: a compression release cylinder selecting part that selects, from a plurality of cylinders, one or more compression release cylinders to which fuel is not to be injected, depending on the magnitude of a required torque of an engine having the plurality of cylinders connected to an exhaust pipe provided with a catalyst for purifying exhaust gas; an exhaust valve control part that opens the exhaust valve of the compression release cylinder; a fuel injection amount determining part that determines the amount of fuel to be injected into an operating cylinder that differs from the compression release cylinder among the plurality of cylinders, according to a load torque generated by opening the exhaust valve and the required torque; and an injection control part that causes fuel, according to the determined amount of fuel injection, to be injected into the operating cylinder.

Abstract: An internal combustion engine for gaseous fuel includes a cylinder and a piston for reciprocal movement in the cylinder along a reciprocal axis, whereby a combustion chamber is at least partially delimited by the cylinder and the piston. The piston includes a piston crown facing the combustion chamber, a piston crown projection of the piston crown in a direction parallel to the reciprocal axis and onto a piston crown plane extending transversally to the reciprocal axis having a piston crown center point, the piston crown comprising a piston bowl surface defining a piston bowl and a piston rim portion enclosing the piston bowl surface. A piston bowl opening is the intersection between the piston rim portion and the piston bowl surface. The piston bowl opening has an opening center of gravity in the piston crown plane. The opening center of gravity is offset from the piston crown center point.

Abstract: An internal combustion engine to reduce abrasion with a piston while retaining oil film on an upper portion of a cylinder includes: a cylinder block that includes a cylinder, and a piston that is stored in the cylinder in a manner capable of reciprocating along an axis line of the cylinder, in which the cylinder includes a multi-bulging inner circumference portion in which a diameter in a thrust-anti thrust direction is a minimal diameter.