Abstract: An extrusion facility (10) includes an extrusion screw (12), capable of providing a heat-softened viscous plastic material, and an extrusion (14). The extrusion head includes an annular chamber (24) that is capable of receiving viscous plastic material. The viscous plastic material, provided by the extrusion screw, has, at a constant temperature, a viscosity variable from a value ?i at a constant value ?cst during a given period so that ?cst>?i. A buffer chamber (16) between the extrusion screw (12) and the extrusion head (14) to store the viscous plastic material during the given period in order to enable the plastic material to reach the viscosity value ?cst before being injected into the extrusion head (14).

Abstract: The disclosure provides a device and method used to produce bulk single crystals. In particular, the disclosure provides a device and method used to produce bulk single crystals of a metal compound by an elemental reaction of a metal vapor and a reactant gas by an elemental reaction of a metal vapor and a reactant gas.

Abstract: A plant (100) for the layered construction of a molded body comprises a coating device (400) and a coating device cleaner (600). The coating device is movable horizontally across a construction field for applying a uniform layer of construction material to be solidified to the construction field and has an elongate metering shaft (410), at the lower side of which a longitudinal slot (412) is provided for outputting the construction material as the metering shaft (410) moves across the construction field. The coating device cleaner (600) is mounted on a construction frame (150) of the plant and serves for cleaning the metering shaft (410). The coating device cleaner (600) comprises an elongate wiper element (610) that is received under the metering shaft (410) of the coating device (400) at least in part in a construction material collection container (620).

Abstract: There are preliminarily prepared element characteristic information 12 that is obtained by individually, previously measuring emission characteristics of a plurality of LED elements and resin coating information 14 that makes a coating quantity of resin appropriate for obtaining an LED package exhibiting a specified emission characteristic correlated with the element characteristic information. A map preparation processing section 74 prepares, for each substrate, map data 18 that correlate populating position information 71a showing a position of an LED element populated on the substrate by a component populating machine M1 with the element characteristic information 12. According to the map data 18 and the resin coating information 14, a resin coating machine M4 coats the respective LED elements populated on the substrate with an appropriate coating quantity of resin.

Abstract: A system for vapor deposition of a thin film layer on a photovoltaic module substrate is provided. The system includes a vacuum chamber having a pre-heat section, a vapor deposition apparatus, and a cool-down section; and a conveyor system operably disposed within said vacuum chamber and configured for conveying the substrates in a serial arrangement from said pre-heat section and through said vapor deposition apparatus at a controlled constant linear speed. The vapor deposition apparatus is configured for depositing a thin film of a sublimed source material onto an upper surface of the substrates as the substrates are continuously conveyed by said conveyor system through said vapor deposition apparatus.

Abstract: An apparatus for the deposition of semiconductor material on a glass sheet, including at least one vacuum chamber which includes a means for deposition of a semiconductor material on one or more glass sheets and a means for conveying the glass sheets inside the vacuum chamber; the conveyance means forms a continuous plane with the surface of the panels that is subjected to the deposition of conducting material.

Abstract: A process for the coating of substrates comprising insertion of a substrate into a process oven, plasma cleaning of the substrate, dehydration of the substrate, withdrawal of a metered amount of one or more chemicals from one or more chemical reservoirs, vaporizing the withdrawn chemicals in one or more vapor chambers, and transfer of the vaporized chemicals into a process oven, thereby reacting with the substrate. An apparatus for the coating of substrates comprising a process oven, a gas plasma generator, a metered chemical withdrawal subsystem, and a vaporization subsystem.

Abstract: The disclosed deposition device for forming a thin film using a starter gas comprising an organic metal compound is provided with: a processing container 22; a mounting platform 28 which has a heater 34 for heating the workpiece W; a gas introduction mechanism 80 which introduces the starter gas toward the area more exterior than the outer peripheral end of the workpiece W on the mounting platform 28; an internal partition wall 90 which is disposed such that the lower end of said processing space contacts the mounting platform 28 to form gas outlets 92 between the lower portion of the space and the edges of the mounting platform 28; and a orifice forming member 96 which extends radially inward toward the mounting platform 28 and forms an orifice 98 communicating with the gas outlet 92.

Abstract: An autonomous mobile milking implement having a frame with, a sub-frame which is adjustable in height and which has at least one teat cup holder and a teat cup movable relative thereto. The teat cup holder is tiltable, via a tilting mechanism coupled to the teat cup holder and the frame between a substantially vertical position and a second partially inverted position. The milking implement protects the teat cups against contamination and is capable of storing them in a compact manner.

Abstract: A feeder for livestock, the feeder comprises a lower portion including a sidewall having a top portion and a bottom portion, at least a portion of said sidewall forming a feed-receiving enclosure. A plurality of spaced-apart first bars, each said first bar extend inwardly from the top portion of said sidewall and are spaced sufficiently apart to allow an animal to place its head therebetween during feeding. An upper portion includes a top member and an intermediate member having a substantially smaller perimeter than a perimeter of the top portion of said sidewall. At least some of said first bars extend between said sidewall and said intermediate member. A plurality of spaced-apart second bars are also provided, each said second bar extending between said intermediate member and said top member spaced close enough to prevent feeding from the top portion.

Abstract: A hypoxic training facility includes a plurality of walls defining an enclosure for housing an animal to be trained. A hypoxicator is adapted for delivering hypoxic, hyperoxic, and normoxic air to the enclosure during a hypoxic training session. An animal exercise station is located within the enclosure. A pulse oximeter monitors oxygen saturation of the animal's blood during the hypoxic training session. A computing device calculates hypoxic stress delivered to the animal during the hypoxic training session.

Abstract: The present invention relates to a positioning device (10) that encourages animals to stand in a desired position to enable efficient and effective treatment of a part of their body. The positioning device (10) of the invention may optionally comprise one or more spraying nozzles (56) adapted for spraying the teats of the animal with a treatment chemical either pre-or post-milking.

Abstract: The purpose of the present invention is to provide an animal toy and its manufacturing process. The animal is not easily destroyed when bitten by an animal, and its light weight reduces the risk of harm to an animal when the toy is thrown.

Abstract: The invention is directed to a refillable pet treat that has a rigid housing with a first face and a second face. A first cavity is in the first face of the rigid housing. A second cavity is formed in the first cavity. A solid surface forms the second face. The rigid housing is in the shape of a bone. The owner spreads their choice of dog food or other spreadable food in the first and second cavities. This allows the owner to select a low calorie food their pet likes. It also allows the owner to select a pet food that does not cause any adverse reaction in their pet. The treat may be frozen after the food is spread into the cavities. This increases the time it takes the pet to extract the food, which works their jaw calming the dog while significantly reducing the cost of the treat.

Abstract: The present invention relates to multi-functional chewing gum for a pet, wherein the outer surface of a porous molding compound, including 40 wt % to 80 wt % of starch, 2 wt % to 15 wt % of sugar, 3 wt % to 25 wt % of humectants, with the remainder being a solvent, is coated with a coating solution including 3 wt % to 20 wt % of a coating agent, with the remainder being a solvent, as well as to a method for preparing same. A porous chewing gum for a pet of the present invention may be used to clean the teeth of a pet, enhance the preservation of gums, and preserve effective nutrients while functioning as a toy for pets. Furthermore, it removes tartar, dental plaque, and bad breath of a pet.

Abstract: A pet leash apparatus includes a housing, a spool enclosed within the housing, and a container attached to the housing, configured to store a volume of liquid solvent. The spool is configured to store and dispense a leash, the leash configured to be extendable from the housing in a first direction, and retractable into the housing by way of the spool. The spool configured to be actuated by a first control arrangement mounted on the housing. The container is coupled to an inlet of an orifice by way of a valve, the valve configured to be actuated by a second control arrangement, the orifice including an outlet to the exterior of the housing. The housing is configured to be handheld; and actuation of the valve releases a directed spray of liquid solvent through the orifice in a second direction.

Abstract: There are formed inside a casing, a steam receiving chamber, a supply manifold chamber, a moisture separating chamber, a heating chamber adjacent to the steam receiving chamber in an axial direction and housing a heat exchanger tube group, and a collection manifold chamber communicating with the heating chamber and adjacent to an upper part of the steam heating chamber. The steam receiving chamber and the partition panel are separated by a transverse partition panel which extends in a vertical direction and through which an end of the heat exchanger tube group in the axial direction penetrates, and a shroud that shrouds the end of the heat exchanger tube group penetrating the transverse partition panel. The steam receiving and the collection manifold chambers are separated by a ceiling panel. A panel bonded to the ceiling panel, the transverse partition panel, and the shroud is provided in the steam receiving chamber.

Abstract: A fuel conditioning system includes a fuel supply, cracking vessel, heat source and fuel delivery line. The cracking vessel breaks carbon-carbon bonds of hydrocarbons present in the fuel. The heat source provides thermal energy to the cracking vessel for breaking the carbon-carbon bonds. The fuel delivery line delivers cracked fuel to an internal combustion engine. An internal combustion engine system includes an engine having a combustion chamber and fuel injection system, a fuel supply, a fuel conditioning system and a fuel delivery line. The fuel conditioning system includes a heat loop that receives thermal energy and a cracking vessel that breaks carbon-carbon bonds of fuel hydrocarbons using the thermal energy. The fuel delivery line delivers cracked fuel to the engine. A method for operating an internal combustion engine includes delivering fuel to a cracking vessel, thermally cracking the fuel, delivering cracked fuel to an engine and combusting the cracked fuel.

Abstract: The invention relates to a method and a device for producing synthesis gas and for operating an internal combustion engine therewith. The engine fuel gases can be produced from changing heterogeneous organic fuels, wherein highly tar-laden product gas and pyrolysis gas are formed. By combining and purifying these gases, the gas mixtures or the syntheses gas formed and by special operation of the gas engine, tars and pyrolysis oil produced in a high proportion are usable as an addition to the ignition oil. The synthesis gas is generated from the pyrolysis gas that is generated in a pyrolysis reactor (2) and from the product gas that results from autothermal gasification of the pyrolysis coke formed and/or of the pyrolysis oil in an atmospheric steady-state fluidisedbed gasifier (8).

Abstract: A method for operating an engine with a fuel reformer is presented. In one embodiment a method for operating an engine by injecting a gaseous fuel and a liquid fuel to at least an engine cylinder is presented. The method may prioritize the injection of the gaseous fuel in response to an amount of gaseous fuel stored in a fuel storage tank.

Abstract: Method of operating a compression ignition engine on ether containing fuel obtained by on board conversion of an alcohol containing primary fuel and a system for use in the method.

Abstract: Disclosed is a piston cooling device wherein the cooling efficiency of a piston is improved by oil injected from an oil jet and supplied to a cooling passage provided in the piston, and the amount of cooling oil is reduced when an internal combustion engine is operated at maximum output. The piston cooling device is provided with a piston for an internal combustion engine, in which a circumferential passage and a cooling passage having an inlet passage and an outlet passage are provided, and an oil jet for injecting oil from an injection port to the inlet passage. The oil jet injects oil at every stroke of the piston so that a two-phase plug flow composed of gas and oil is formed in the cooling passage at least when an internal combustion engine is operated at maximum output.

Abstract: A reciprocating-piston internal combustion engine which operates on the four-stroke cycle, having a crankcase and having at least one cylinder which is arranged in said crankcase and in which a piston is guided by a crankshaft, having at least one cylinder head which closes off the cylinder and the intake and exhaust channels which are controlled by at least in each case one intake and exhaust valve loaded by a valve spring, which intake and exhaust valves can be actuated by transmission elements driven by a camshaft, and having a hydraulic valve play compensating element (5) which is installed in at least one of the transmission elements or in a component, which is installed in the transmission element, between the camshaft and at least one intake and/or exhaust valve, which hydraulic valve play compensating element has a working piston (8), a cylinder housing (7) which interacts with the working piston (8), a restoring spring (18) which is installed in between, and a check valve which delimits a high-pressu

Abstract: An oil control valve assembly for an engine is provided that has a control valve with a valve body, and a manifold that defines a control passage in fluid communication with a valve lift switching component and an exhaust passage for exhausting fluid from the valve. The control valve is controllable to selectively direct fluid from a supply source to the control passage to actuate the valve lift switching component. An elongated tubular member is positioned adjacent the engine component and is operatively connected to the exhaust passage such that fluid flows from the exhaust passage to the elongated tubular member and through the elongated tubular member onto the engine component.

Abstract: A continuously variable valve timing (CVVT) system which may be operated in cooperation with a continuously variable valve lift (CVVL) engine may be included. A reference position of a suction CVVT may be set by a spring. In addition, a method for controlling a continuously variable valve timing (CVVT) system may be included. The method includes setting a reference position of a suction CVVT to a most advanced angle position, and controlling a delayed angle amount at the reference position of the most advanced angle.

Abstract: A control valve part switches a flowing direction of working fluid between a first advance chamber and a first retard chamber in a timing adjustment mode, and restricts working fluid from flowing between the first advance chamber and the first retard chamber in a working angle adjustment mode. A check valve part allows working fluid to flow from a second retard chamber through a check passage to a second advance chamber, and restricts working fluid from flowing from the second advance chamber through the check passage to the second retard chamber. A switch valve part allows a communication between the second advance chamber and the second retard chamber through a switch passage in the working angle adjustment mode, and prohibits the communication between the second advance chamber and the second retard chamber through the switch passage in the timing adjustment mode.

Abstract: A variable valve timing apparatus includes a stopper piston which has an equalizing passage in an axial direction. Even if the engaging hole is filled with the oil, the equalizing passage enables the oil flows from an engaging hole to a holding hole when the stopper piston enters into the engaging hole. It is possible to form a vane as narrow as possible, and to enlarge a variable angular range. In addition, the stopper piston has both end faces which are substantially identical in surface area. Even if pulsation arises in oil pressure, pressures acting on both end faces of the stopper piston can be substantially cancelled and position of the stopper piston can be stabilized.

Abstract: A valve timing control apparatus for a combustion engine according to which a rotational member, such as a sprocket, is driven by said combustion engine, a rotor is mechanically coupled with a camshaft for controlling opening and closing of cylinder valves of said combustion engine, a first configuration is provided in which the rotor is locked to the rotational member; and a second configuration is provided in which the rotor is unlocked from said rotational member. In another aspect an operating method of said valve timing control apparatus for adjusting a valve timing of a combustion engine is provided. The apparatus controls a relative rotation between a camshaft and an output shaft, which can either be prevented or permitted.

Abstract: An internal combustion engine (1) having a crankshaft (2), having at least one camshaft (12) for actuating gas exchange valves (15, 104), and having a synchronous drive (9) which transmits the rotation of the crankshaft (2) to the camshaft (12), wherein the crankshaft (2) is arranged predominantly in the first chamber (6) which is separated in a fluid-tight manner from a second chamber (8) in which the synchronous drive (9) is arranged, wherein the camshaft (12) is also arranged in the second chamber (8).

Abstract: An internal combustion engine (1) having a device (2) for changing the relative angular position of a camshaft (3) with respect to a crankshaft of the internal combustion engine, wherein the device (2) includes a drive element (4) driven by the crankshaft and a housing element (5). The drive element (4) together with the housing element (5) rotates about an axis (a) during operation of the internal combustion engine and the device (2) is at least partially surrounded by a casing (6) of the internal combustion engine (1). In order to improve the oil exchange in the housing bell of the internal combustion engine, and to prevent deposition of particles in the housing bell, the housing element (5) is provided with at least one fluid-conveying element (7), wherein the fluid- conveying element (7) is intended and suitable for conveying fluid.

Abstract: An internal combustion piston engine having gas exchange valves actuated by cams of a camshaft. The cams are sliding cams having two cams per sliding cam unit situated on a basic shaft in rotationally fixed fashion but axially displaceable. At least one actuator unit has two actuator pins for displacing the sliding cam units into different axial positions using displacement grooves on the circumference of the sliding cam units, the grooves being helical and situated mirror-symmetrically, and having an ejection ramp for the actuator pins. The actuator pins are spring-loaded toward the sliding cam unit and, in retracted positions, can be fixed by arresting devices, which have control needles that correspond to clamping bodies of locking devices. These needles are actuatable by an electromagnet unit, with the control needles being connected with a needle bridge. A pin engages the needle bridge, and the pin is controlled by the electromagnet unit.

Abstract: A deactivating rocker arm for use with a cam having at least one no-lift safety lobe is provided. Safety lobe contacting surfaces on the rocker arm are configured for contact with safety lobes during abnormal operation of the rocker arm. When the rocker arm is deactivated, the safety lobe contacting surfaces may come into contact with safety lobes when excessive pump-up of a lash adjuster brings the rocker arm undesirably close to the rotating cam. This contact limits the range of motion of the rocker arm during certain instances of abnormal operation, promoting more effective transition between deactivated and activated states and preventing damaging contact between the rocker arm and the cam lobe.

Abstract: The present invention provides a liquid fuel composition comprising:—a base fuel suitable for use in an internal combustion engine; and—one or more polyetheramines having formula (I): wherein R is an —NR12 group where R1 is independently selected from hydrogen and a C1-C6 hydrocarbyl group, n is an integer in the range of from 6 to 37, m is an integer in the range of from 12 to 74 and p is 0 or 1. The liquid fuel composition provides improved lubricity and improved fuel economy benefits.

Abstract: The present invention provides a method of improving the performance of the lubricant of an internal combustion engine, said method comprising fuelling an internal combustion engine containing the engine lubricant with a liquid fuel composition comprising:—a base fuel suitable for use in an internal combustion engine; and—one or more poly (hydroxycarboxylic acid) derivative having a terminal amine group having formula (III): [Y—CO[O-A-CO]n—Zp]m—X wherein Y is hydrogen or optionally substituted hydrocarbyl group, A is a divalent optionally substituted hydrocarbyl group, n is from 1 to 100, m is 1 or 2, Z is an optionally substituted divalent bridging group, p is from 0 to 10, and X is terminal amine group or a group carrying a terminal amine group, wherein the terminal amine group is selected from —NR12, wherein R1 is independently selected from hydrogen and a C1-C6 hydrocarbyl group.

Abstract: A starter supply network having a first energy source for the primary energy supply of a starter motor, the first energy source being coupled to a network terminal of the starter supply network; a second energy source; and a coupler, which is configured to couple the second energy source to the network terminal as a function of a starter motor current delivered by the first energy source, in order to counteract a reduction in the starter motor current.

Abstract: An automatic control apparatus for a carburetor choke valve includes a pull-rod, throttle control lever, choke block, and temperature control assembly which is arranged on a cylinder head through a bracket having a rotating shaft and coil spring. The rotating shaft is connected to the spring and one end of the pull-rod via a rotary arm. The other end of the pull-rod is located at a choke valve shaft. The block and valve shaft are connected to respective ends of the lever. During cold start, the block is opened driving the lever to pull the valve shaft. When rotated through a certain angle the valve shaft is blocked by part of the pull-rod, such that the valve and block cannot be fully opened. During warm start, the valve shaft when returning is blocked by another part of the pull-rod such that the valve cannot fully close.

Abstract: Starter for starting a combustion motor for a power tool includes a rotating tension means roller, onto which a tension means can be wound and which via active connection is connected to a entrainment means of the combustion motor in order to introduce a rotating movement into the combustion motor. The active connection has at least one double crank gear between the tension means roller and the entrainment means.

Abstract: A valve stem seal (10) for a combustion engine may comprise a cylindrical body (12) including a mounting portion (16) and a valve stem sealing portion (14) integrally formed with the mounting portion (16), and an o-ring (26) configured for sealing engagement with a valve stem reciprocating in a valve guide (40) of a valve of the combustion engine. The mounting portion (16) may define an opening (18) for receiving an upper end (43) of the valve guide (40) and may be configured for substantially fluid-tight engagement with the upper end (43) of the valve guide (40). The valve stem sealing portion (14) may include an annular groove (22) formed in an inner surface of the cylindrical body (12). The o-ring (26) may be received in the annular groove.

Abstract: An internal combustion engine in a vehicle is described herein. The internal combustion engine may include two outer pistons, each of the pistons arranged in a separate cylinder and positioned in an in-line configuration in which a straight line extends through each of the axes of the pistons, a crankshaft including a plurality of crank throws, each crank throw coupled to a separate piston, and a flywheel coupled to a first end of the crankshaft. The engine may further include a belt pulley coupled to a second end of the crankshaft and a balancing arrangement including a first balancing mass coupled to a belt pulley and a second balancing mass coupled to a flywheel, the relative separation between the first balancing mass and the second balancing mass measured on a plane perpendicular to a rotational axis of the crankshaft is less than 170°.

Abstract: The present invention relates to a method for producing a piston (10) from an upper piston part (11, 111, 211) and a lower piston part (15). A strip- or plate-shaped semifinished product (22) made of a metal material is provided, from which an annular upper piston part (11, 111, 211) or an annular blank (25) is stamped out, which blank is finished to form an upper piston part (11, 111, 211), wherein the upper piston part (11, 111, 211) is connected to a lower piston part (15) to form a piston (10).

Abstract: The invention relates to pin bosses (1) of a piston (2) for an internal combustion engine, each comprising a pin bore (3) for supporting a piston pin (14). In order to reduce the tangential stresses in the zenith area of the pin bores and thus to extend the service life of the piston, the inner areas (16) of the pin bores (3) as viewed in the direction of the bore axis (13) have areas on both sides of the zenith (4) that have a greater distance from the bore axis (13) than the zenith (4) of the pin bore (3), and the outer areas (17) of the pin bores (3) as viewed in the direction of the bore axis (13) are transversely oval relative to the piston axis (7).

Abstract: Provided is an aluminium alloy piston for an internal combustion engine. In the internal combustion engine, the piston moves back and forth in a sleeve made of grey cast iron or an aluminium alloy. Further, the piston, which is made from silver, silver alloy, copper, or copper alloy, is provided with a film that covers the scoring that is formed on the piston skirt and there are undulations in the surface of the film, formed from protrusions and depressions. There is a difference of 8-15 ?m between the lowest point of the depressions and the highest point of the protrusions. The pitch of adjacent protrusions corresponds to the pitch of projections in the scoring. In addition, the arithmetic average roughness (Ra) of the protrusion peaks does not exceed 60 nm.

Abstract: An engine with an efficient selectively operable vacuum source is disclosed. In one example, an electric vacuum pump with oil wetted seals provides vacuum to a vehicle. The approach may provide for improved efficiency when generating vacuum.

Abstract: The present invention relates to an assembly for translating linear movement to rotary motion, and in particular to an improved relationship between a linearly reciprocal member such as a yoke structure and associated piston, and a rotatable shaft such as a crank shaft. The invention could be used in any application where motion is to be translated from rotary to linear or vice versa, such as in compressors for example.

Abstract: Trigonal Linkage System replacing a single connecting rod system to a combination of two components (No. 1): a connecting link coupled to a guide piston (No. 2) which is without a solid top or bottom creating no pressure or vacuum and serves only as a guide for the power piston assembly, which prevents seizure moment on the main and crankpin journals, which will no longer be in inline formation at fuel mixture explosive impact moment.

Abstract: Internal combustion engine (1) that runs on alternative fuels, conceived for use with vegetable oil and water as fuels, essentially comprising: combustion, lubrication, electrical, cooling and starting systems, as well as an engine block (2), cylinder head (3), oil pan (4), and for each cylinder (5) has a piston (6), connecting rod (7), crankshaft (8), combustion chamber (9), auxiliary pre-combustion chamber (10), intake valve (11), exhaust valve (12), intake duct (13), exhaust duct (14), overpressure safety valve (15), safety valve duct (16), glow plug (17), vegetable oil injector (18), water injector (19), cylinder (5) or special cylinder sleeve (20), special coating or coating manufactured with a special material (21), availability of two independent fuel tanks, and two independent injection systems. This engine in its operation is able to primarily break the chemical bonds of water molecules (electrolytic dissociation) and include a specific specification hydrolysis reaction.

Abstract: A laser ignition device, particularly for an internal combustion engine, having a precombustion chamber and a laser device, which is developed to irradiate, particularly to focus, laser radiation onto at least two ignition points, lying in the precombustion chamber, that are different from each other. The laser device is developed to irradiate the laser radiation optionally onto one or more ignition points.

Abstract: A gas engine is configured to inject a combustion gas from an auxiliary combustion chamber through a plurality of nozzles, through which the auxiliary combustion chamber and a main combustion chamber are in communication with each other, so as to ignite a fuel in the main combustion chamber. An opening edge, at the auxiliary combustion chamber side, of each of the plurality of nozzles is formed to have a curved surface. This structure makes it possible to maintain stable combustion in the main combustion chamber while preventing degradation in combustion performance.

Abstract: Provided is a control device of a direct injection engine, the control device that can prevent the amount of emission of soot from increasing and the exhaust performance from worsening when a restart request is made before an engine is stopped after an idle stop condition is satisfied. When a restart request is made before an engine is stopped after an idle stop condition is satisfied, at least one of the number of fuel injections in one combustion cycle and the air/fuel ratio of an air fuel mixture used for combustion is changed for each cylinder according to a piston position at that time.

Abstract: A method for reducing a nitrogen oxide emission in a diesel engine. The method can include taking at least one exhaust gas of an in engine combustion in a combustion chamber and: segmenting a first portion of exhaust gas enters as an internal exhaust gas recirculation from the combustion chamber of the diesel engine via an outlet valve associated with the combustion chamber, and is recirculated, via the outlet valve, from the subsequent exhaust gas tract, into the combustion chamber of the diesel engine; segmenting a second portion of exhaust gas remains in the combustion chamber and is not expelled; and segmenting a third portion of exhaust gas is recirculated as external exhaust gas recirculation via an exhaust gas recirculation valve into the combustion chamber.