Class / Patent application number | Description | Number of patent applications / Date published |
123306000 | MEANS TO WHIRL FLUID BEFORE, UPON, OR AFTER ENTRY INTO COMBUSTION CHAMBER | 55 |
20090013962 | In-Cylinder Injection Type Spark Ignition-Internal Combustion Engine - An in-cylinder-injection type spark-ignition internal combustion engine has a fuel injection valve and an ignition plug that are arranged substantially in the upper area of the cylinder. Fuel is injected from the fuel injection valve in the flow direction of the tumble flow that swirls in the cylinder by flowing downward through the exhaust valve side of the cylinder bore and upward through the intake valve side of the cylinder bore, so as to intensify the tumble flow. | 01-15-2009 |
20090050104 | VALVE GUIDE FOR INTERNAL COMBUSTION ENGINE HAVING MEANS FOR MIXING FUEL - The present invention relates to a valve guide for an internal combustion engine, and more particularly, to a swirling valve guide having a fuel mixing means installed on an outer peripheral surface of the valve guide, which protrudes into an intake port of an internal combustion engine, to promote mixing of fuel and air. According to the present invention, there is provided a swirling valve guide including a guide portion installed to protrude into an intake port of a cylinder head of an internal combustion engine for guiding reciprocation of an intake valve of the internal combustion engine, comprising a fuel mixing mean having a member installed on an outer peripheral surface of the guide portion to mix fuel and air passing the intake port and to produce a swirl in a mixture of the fuel and air at a downstream side of the flow of the mixture. With the present invention, the fuel mixing means is installed on the valve guide adjacent to a combustion chamber to produce a swirl so that a mixture of fuel and air can be introduced into the combustion chamber in a state where the fuel and air are appropriately mixed with each other, hi addition, the fuel mixing means is installed on a conventional valve guide to minimize a disturbance of the flow of the mixture. | 02-26-2009 |
20090050105 | SWIRL GENERATOR - A swirl generator is arranged in a duct through which air is sent from the exterior to an air cleaner. The swirl generator has a plurality of guide vanes, which change the flow direction of an air flow. Each of the guide vanes has a guide fin that adjusts the air flow and a deflecting fin that applies swirl force to the air flow. The deflecting fin is configured by an upstream portion and a downstream portion, which are connected together at a predetermined angle. The upstream portion and the downstream portion each have a cross section extending linearly along a cylindrical plane coaxial with a nose cone. | 02-26-2009 |
20090159041 | INTAKE PORT STRUCTURE FOR ENGINE - In an engine combustion chamber, a first intake port ( | 06-25-2009 |
20090293838 | Structure of airflow control system - A structure of an airflow control system includes a vortex control valve located in an intake passage and generating a vortex in a combustion cylinder upon intake of air-fuel mixture for combustion, the intake passage supplying the air-fuel mixture to the combustion cylinder, and a return flow passage for returning a portion of exhaust gas generated by the combustion of the air-fuel mixture in the combustion cylinder to the intake passage, wherein a merge portion where the return flow passage merges with the intake passage is located downstream of a mounting position of the vortex control valve between the mounting position of the vortex control valve and the combustion cylinder. | 12-03-2009 |
20090301432 | INTAKE CHANNELS FOR INTERNAL COMBUSTION ENGINES - Various embodiments of the invention relate to an intake channel of an internal combustion engine in which an adjustable position guide vane is configured to modify the velocity distribution inside the intake channel in order to vary the mean swirl number generated by the channel. The intake channel may comprise a combination of two or more ports, which can be helical or tangential, depending on their shape. By varying the velocity distribution inside the intake channel it is possible to vary the mean swirl number in an internal combustion engine. Contrary to existing systems to vary the swirl in internal combustion engines, the invention proposed does not require the separation of both ports inside the intake channel by a wall in order to achieve a variation in the swirl. | 12-10-2009 |
20100018496 | INTAKE MANIFOLD WITH A SWIRL SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - An intake manifold with a swirl system for an internal combustion engine provided with a number of cylinders; the intake manifold has, for each cylinder, an intake pipe, which is adapted to connect the intake manifold to the cylinder and has, in turn, two reciprocally parallel channels; the swirl system is provided with: for each intake pipe, a choking valve, which is arranged inside a channel of the intake pipe and is adapted to vary the air introduction section through the channel; and a single actuator device, which simultaneously and synchronically displaces all the choking valves and is provided with a motor and a mechanical transmission system which transmits the motion from the motor to all the choking valves. | 01-28-2010 |
20100031920 | Air Intake Device - An air intake device, having application in engine air intake systems, and causes air to be rapidly and effectively guided into the engine fuel chambers, which primarily includes a plurality of swirl plates successively circumferentially formed on the inner walls of an air inlet end of an engine throttle body. When air is drawn into the air inlet end, then the swirl plates cause the air to form a vortex air current, which is used to increase the speed of mixing fuel with the air and improve the mixing rate, thereby enabling more complete fuel combustion in the engine fuel chambers. | 02-11-2010 |
20100037853 | INTAKE SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - An intake system for an internal combustion engine includes: an intake passage ( | 02-18-2010 |
20100175661 | INTERNAL COMBUSTION ENGINE - A method of operating an internal combustion engine for the purposes of producing significantly lower NOx emissions than currently achieved without exhaust aftertreatment is described. The engine is equipped with an intake system and combustion chamber that minimizes overall in-cylinder angular momentum of the air fuel charge. The engine is fueled with a gaseous fuel such as natural gas. The purpose of the intake system and combustion chamber is to create low combustion peak temperature while keeping the overall average temperature the same. Charge dilution which can be in the form of excess combustion air, recirculated exhaust gases, water injection, or combinations of all three will be used to assist in reducing NOx emissions. | 07-15-2010 |
20100192906 | INDUCTION AND FUEL DELIVERY SYSTEM FOR PISTON ENGINE - Apparatus constituting part of an induction and fuel delivery system for a cylinder of a piston internal combustion engine comprising a small cyclone into which is tangentially discharged a flow of heated air to generate a sustained vortex of high rotational speed; a modulatable fuel injector delivering a flow of atomised fuel into said small cyclone wherein it underdoes flash evaporation and energetic mixing; a delivery duct connecting said small cyclone to the inlet tract of said cylinder wherein said vortex fuel-air mixture is mixed with heated induction air; and means to prevent overheating of said modulatable fuel injector. | 08-05-2010 |
20100251994 | Remote control model engine assembly - An improved remote control model engine assembly includes an engine body, a cylinder and a crane shaft chamber. A piston and a piston link rod are pivotally installed in the cylinder. The crane shaft chamber is horizontally and pivotally coupled to a crane shaft, whose end is connected to the bottom of the piston link rod for performing linking and rotating operations. A passage is concavely disposed at a middle section of the crane shaft corresponding to an air intake opening and penetrated axially through the crane shaft chamber. The passage is pivotally and axially coupled to a vane wheel by coaxial rotation, such that a high-speed operation of the crane shaft produces a powerful guide suction in the passage to suck a mixed petroleum gas into the crane shaft chamber and an internal upper space of the cylinder to enhance the igniting explosion effect and the horse power output. | 10-07-2010 |
20100282207 | CONTROLLING DEVICE AND METHOD OF ESTIMATING VALVE OPENING FOR INTERNAL COMBUSTION ENGINE - A controlling device for an internal combustion engine includes an estimating portion to calculate an estimation value relative to an open degree of a valve based on a predetermined estimation formula. A signal of a sensor is changed, when the valve has a predetermined open degree defined between a full close and a full open. The estimating portion determines that an actual open degree of the valve is smaller than the predetermined open degree, in a case that the signal of the sensor is not changed when the estimation value becomes equal to or larger than the predetermined open degree. | 11-11-2010 |
20100288228 | INTERNAL COMBUSTION ENGINE HAVING AN INTAKE SYSTEM - The invention relates to an internal combustion engine ( | 11-18-2010 |
20100294237 | Air swirling device for fuel injected internal combustion engines - One embodiment of a device utilized to provide swirling intake air flow of a fuel injected internal combustion engine which is inserted into an air intake tube | 11-25-2010 |
20100294238 | HYDRAULICALLY OPERATED CHARGE AIR SYSTEM FOR INTERNAL COMBUSTION ENGINE - A hydraulically operated charge air system for an internal combustion engine includes an intake manifold having a number of intake runners, and a number of rotatable airflow control devices mounted within at least a portion of the intake runners. A hydraulic motor rotatably positions the airflow control devices. | 11-25-2010 |
20110011370 | Air Pressure Vortex Generator Structure for an Internal Combustion Engine - An air pressure vortex generator structure for an internal combustion engine, which is installed within an intake manifold between an air filter and an internal combustion engine, and primarily comprises a tubular body, one end of which has a plurality of guide plates inwardly or outwardly bent from a tube wall thereof, The guide plates are arranged to be equally spaced, and are inclined in the same direction. Accordingly, when in use, functionality of each of the guide plates is used to cause air passing through a vortex generator to naturally form a plurality of spiral air currents that are propelled forward at an accelerated speed, which enable achieving thorough and uniform mixing with fuel, thereby causing complete combustion of the fuel to produce maximum horsepower and torque, as well as achieving the objective to save fuel. | 01-20-2011 |
20110174265 | MIXER FOR FUEL FEEDING DEVICE - A mixer for a fuel feeding device comprises a swirl flow chamber having a doughnut-shaped space, an inflow hole connected to the swirl flow chamber from the outer peripheral side of the swirl flow chamber, a cylindrical section which is formed concentrically to the swirl flow chamber and which has a cylindrical space area, a tapered hole formed concentrically to the swirl flow chamber, diverged toward the swirl flow chamber, and connected to the swirl flow chamber and the cylindrical section, and an outflow hole which is formed concentrically to the swirl flow chamber and which communicates with the cylindrical section on the opposite side thereof to the side where the cylindrical section is connected to the tapered hole. | 07-21-2011 |
20110214640 | INTERNAL COMBUSTION ENGINE PORT DESIGN LAYOUT FOR ENHANCED IN-CYLINDER SWIRL GENERATION - An internal combustion engine includes a pair of adjacent cylinders, each one of the pair of adjacent cylinders includes a piston, a first intake valve, a second intake valve, a primary port associated with the first intake valve, and a secondary port associated with the second intake valve. Each of the ports is configured to provide a predominant direction of airflow therethrough during engine operation when viewed from above the cylinders and effectively oriented to provide respective in-cylinder air-swirl of opposite direction in each one of the pair of adjacent cylinders during an intake stroke of a respective piston. | 09-08-2011 |
20110239982 | ENGINE HAVING FUEL INJECTION INDUCED COMBUSTION CHAMBER MIXING - An engine assembly may include an engine structure, a piston, and a direct injection fuel system. The engine structure may define a cylinder bore and the piston may be disposed within the cylinder bore for reciprocal displacement between a top dead center position and a bottom dead center position. The direct injection fuel system may include a fuel injector that provides a fuel spray to a combustion chamber defined by the piston and the cylinder bore. The fuel flow may extend generally tangential to a circumference of the combustion chamber and may define a centerline extending in a direction radially across the combustion chamber. | 10-06-2011 |
20120006296 | METHOD FOR DIAGNOSING THE INTEGRITY OF A SWIRL GENERATING SYSTEM FOR AN INTERNAL COMBUSTION ENGINE - A method is provided for diagnosing the integrity of a swirl generating system for an internal combustion engine. The swirl generating system includes, but is not limited to swirl controlling elements that are individually located in a respective air passage connecting the intake manifold of the engine to an intake port of an engine combustion chamber, an actuator having a movable shaft, a cinematic chain for mechanically connecting the swirl controlling elements to the actuator movable shaft, an actuator control unit for normally moving the actuator movable shaft in a first direction towards a first final position, and in a second opposite direction towards a second final position, and actuator sensor for sensing the position of the actuator movable shaft. The method providing to arrange at least a mechanical stop for directly acting on one component of the cinematic chain, in order to indirectly limit the movement of the actuator movable shaft in the first direction at a first checking position coincident or beyond the first final position, command the actuator control unit for moving the actuator movable shaft in the first direction towards the first checking position, and verify through the position sensing means whether the actuator movable shaft stops in the first checking position (CP | 01-12-2012 |
20120118264 | INTAKE ARRANGEMENT FOR COMBUSTION CHAMBER - In an intake arrangement for a combustion chamber in which a first intake duct produces a substantially rotational flow in the chamber, the flow from a second intake duct is divided into two components. The first component is an axial flow into the chamber and the second component is a rotational flow having the same sense of rotation as the first duct. The first and second components arise from the shaping of a junction region between branches of the second intake duct adjacent the chamber. | 05-17-2012 |
20120227704 | ENGINE CONTROL DEVICE | 09-13-2012 |
20120260888 | METHOD FOR INCREASING THE FUEL COMBUSTION EFFICIENCY OF AN INTERNAL COMBUSTION ENGINE AND A DEVICE FOR CARRYING OUT SAID METHOD - The inventive method consists in forming stationary waves in such a way that a vibrating combustion mode is maintained in an internal combustion engine by displacing exhaust gas in the form of two interacting swirl and central flows in a device. The inventive device comprises a body ( | 10-18-2012 |
20140165959 | ENGINE HAVING VARIABLE VALVE TIMING DEVICE AND VARIABLE TUMBLE DEVICE - An engine having a variable valve timing device and a variable tumble device, may include the variable valve timing device advancing or delaying a rotation of an intake camshaft or an exhaust camshaft, an intake valve or an exhaust valve configured to be operated by the intake camshaft or the exhaust camshaft respectively to open and close an intake port or an exhaust port, and the variable tumble device that may be disposed on an upstream side of the intake valve in the intake port and changes a flow of a gas being suck to form a tumble in a combustion chamber. | 06-19-2014 |
20140165960 | VARIABLE INTAKE MANIFOLD FOR INTERNAL COMBUSTION ENGINE AND VARIABLE AIR INTAKE DEVICE USING THE SAME - A variable intake manifold apparatus for an internal combustion engine, may include an inlet drawing in outside air and being connected to a main passage, first and second outlets branched from the main passage and fluid-connected to the inlet through the main passage and releasing the outside air drawn through the main passage through the first and second outlets, and a partition dividing the main passage and one of the first and second intake passages. | 06-19-2014 |
20140251262 | Fuel Injection Valve - A fuel injection valve realizing improved circumferential uniformity of swirling fuel is provided. The fuel injection valve includes swirling chambers each having an inner peripheral wall whose curvature is gradually larger from upstream to downstream, paths for swirling each of which, having a fuel flow-in region formed along a valve axis direction, guides fuel to the associated one of the swirling chambers, and fuel injection orifices open into the associated swirling chambers, respectively. In the fuel injection valve, a curved portion is formed on the bottom, in a sectional view along the valve axis direction, of an inlet portion of each of the paths for swirling so as to change the fuel flow in each of the paths for swirling. | 09-11-2014 |
20140251263 | Fuel Injection Valve - A fuel injection valve realizing improved circumferential uniformity of swirling fuel is provided. The fuel injection valve includes a swirling chamber having an inner peripheral wall whose curvature is gradually larger from upstream to downstream, a path for swirling which, having a fuel flow-in region formed along a valve axis direction, guides fuel to the swirling chamber, and a fuel injection orifice open into the swirling chamber. In the fuel injection valve, the path for swirling is inclined toward the fuel injection orifice formed on a downstream side of the swirling chamber. | 09-11-2014 |
20140251264 | Fuel Injection Valve - A fuel injection valve realizing improved circumferential uniformity of swirling fuel is provided. The fuel injection valve includes swirling chambers each having an inner peripheral wall whose curvature is gradually larger from upstream to downstream, paths for swirling each of which, having a fuel flow-in region formed along a valve axis direction, guides fuel to the associated one of the swirling chambers, and fuel injection orifices open into the associated swirling chambers, respectively. In the fuel injection valve, the paths for swirling are interconnected in a central portion of an orifice plate and are smaller in height toward where they are interconnected. | 09-11-2014 |
20140305403 | Cylinder Head For Internal - Combustion Engine With Intake Ducts Having An Air-Deflecting Projection - A cylinder head for an internal-combustion engine includes, for each cylinder of the engine, at least one intake duct extending from an inlet located at a lateral face of the head down to an outlet cylindrical mouth and an intake valve associated with each intake duct. The surface of the intake duct has a longitudinal projection for deflecting the flow of air that flows through the intake duct. The projection is configured to provide a deflection of the air flow towards the two sides of the valve stem, so as to substantially reduce the quantity of air that hits the valve stem directly. The projection extends down to the outlet cylindrical mouth, so as to hinder a flow of air through an angular sector of the cross-sectional area of the outlet mouth which angular sector faces towards the lateral face of the cylinder head. | 10-16-2014 |
20150027404 | Multi-Fuel Plasma Injector - The inventive subject matter provides apparatus, systems and methods for treating and delivering a fuel to a combustion chamber of an engine in order to improve efficiency of the engine. In one aspect of the invention, a fuel injector that cooperates with an internal combustion engine to combust a first fuel to produce power is presented. The fuel injector includes a fuel inlet, a pre-conditioning vortex chamber, and an excitation chamber. The fuel injector includes a vortex chamber that conforms a pulsed amount of the first fuel to produce a vortex that includes a coherent dynamic pressure wave. The fuel injector also includes an excitation mechanism that at least partially ignites the fuel. | 01-29-2015 |
20150059689 | FLOW CHANNELING AIR INTAKE MIXING DEVICE FOR INTERNAL COMBUSTION ENGINE - A system for targeting an air-fuel mixture flow pattern within the intake port of an internal combustion engine is provided. The system includes a flow pattern control plate movably provided within the intake port. The plate includes at least one air-fuel mixture funneling opening. The opening is rounded and is preferably ovoid. Preferably there are two openings with one opening being larger than the other. The upstream side of the plate includes a sloped surface formed from its edge toward the openings, thus funneling the air-fuel mixture passing from the upstream side, through the plate, and to the downstream side. The size, shape and number of openings can be selectively adjusted thus making the system tunable. The intake port includes a sloped portion formed on its inner surface adjacent the flow pattern control plate to funnel the flow of the air-fuel mixture through the openings formed in the plate. | 03-05-2015 |
20160138512 | METHOD FOR PRE-MIXED IGNITION STRENGTH CONTROL USING SWIRL CONTROL AND ENGINE CONTROL SYSTEM THEREBY - An engine control system may includes a meted for performing pre-mixed ignition strength using swirl control, in which when an ECU determines the difference between the initial optimum level and a detected pre-mixed ignition strength due to ignition pressure of cylinders, the opening amount of Swirl Control Valve is controlled by the ECU on the basis of swirls changing turbulent intensity of the air around fuel flowing into the cylinders and a swirl control optimization mode for matching the pre-mixed ignition strength with the initial optimum level through the control of the opening amount of the SCV is implemented, such that combustion keeps with the pre-mixed ignition strength maintained the initial optimum level. | 05-19-2016 |
123307000 | Structural projection on working piston causes whirling | 11 |
20090223481 | DEVICE AND METHOD TO INCREASE FUEL BURN EFFICIENCY IN INTERNAL COMBUSTION ENGINES - A reciprocating piston engine wherein the movement of a piston within the combustion chamber creates vortices in the fluid within the chamber and wherein the orientation of the vortices is more normal to the axis of movement of the piston than parallel to the axis of movement of the piston. The vortices may be created by a device for attachment to the crown of a piston or by the configuration of the crown of the piston. The vortices may be created by a plurality of vanes extending outwardly from the center of the piston to the periphery thereof. | 09-10-2009 |
20100006061 | DIRECT FUEL INJECTION DIESEL ENGINE - In a direct fuel injection diesel engine having a piston with a pentroof-shaped top face, with regard to a pentroof-shaped piston ( | 01-14-2010 |
20100059016 | PISTON FOR INTERNAL COMBUSTION ENGINE, AND INTERNAL COMBUSTION ENGINE USING THE PISTON - A piston top surface ( | 03-11-2010 |
20100065017 | Combustion System for Vehicle - A combustion system for a vehicle may include a piston in which a first combustion recess is formed in an upper end surface thereof, and at least one second combustion recess is further formed at the bottom of the first combustion recess, a first intake port and a second intake port for supplying a cylinder with air, and a controller that differently controls amounts of recirculation exhaust gas being supplied to the first intake port and the second intake port. | 03-18-2010 |
20100065018 | IN-CYLINDER INJECTION TYPE INTERNAL COMBUSTION ENGINE - The invention provides an in-cylinder injection type internal combustion engine that is capable of controlling gas flow velocity in the vicinity of an ignition part of a spark plug and maintaining an air-fuel mixture suitable for ignition for a long time. The engine includes deflecting parts | 03-18-2010 |
20100132662 | Piston of Gasoline Direct Injection Engine - A piston of a gasoline direct engine may include a protuberance portion protruding along a circular arc shape having a radius (R1) equal to the piston diameter to have a predetermined height (T) from the upper surface thereof, and the edge of the protuberance portion is rounded to be connected with the upper surface; a bowl (B) having a bottom surface (F1) having an asymmetrical ellipse shape from the center of the protuberance portion to the intake side direction thereof, wherein the bottom surface thereof becomes deeper in the exhaust side direction to have a predetermined slope angle (θ | 06-03-2010 |
20100186709 | DIRECT FUEL INJECTION DIESEL ENGINE - In a direct fuel injection diesel engine equipped with a pentroof-shaped piston, when fuel is injected into a cavity ( | 07-29-2010 |
20100236519 | INTERNAL COMBUSTION ENGINE - A reciprocating internal combustion engine. The present invention improves the spark ignition facility used by the engine inventions described in patent publications WO2005/052335 and WO2007/080366 by providing a device to ensure reliable spark ignition by protecting the spark plug from malfunction by sooting. | 09-23-2010 |
20110041799 | High Swirl Engine - An internal combustion engine can include a combustion volume within a cylinder of an internal combustion engine. The combustion volume can be defined at least by a cylinder wall and a first piston in the cylinder. A swirl port can deliver a fluid into the combustion volume via a swirl port outlet such that the delivered fluid is directed around a periphery of the cylinder with a fluid velocity disposed at a predetermined angle away from tangential to a curve of the cylinder wall to generate a swirling motion in the combustion volume. | 02-24-2011 |
20110083638 | Combustion Chamber for Fuel Injected Engines - Passageways are provided within the combustion chamber of a fuel injected internal combustion engine to convey injected fuel to desired positions within the combustion chamber. The fuel-conveying passageways may be either open-sided or closed, and are positioned within the combustion chamber in substantial alignment with a respective spray jet of fuel, enabling optimum distribution of the fuel through the combustion chamber for enhanced mixing with air prior to combustion. | 04-14-2011 |
20110239983 | ENGINE HAVING FUEL INJECTION INDUCED COMBUSTION CHAMBER MIXING - An engine assembly may include an engine structure, a piston, and a direct injection fuel system. The engine structure may define a cylinder bore and an intake port in communication with the cylinder bore and adapted to mitigate intake air swirl within the cylinder bore. The piston may be disposed within the cylinder bore for a reciprocal stroke between a top dead center position and a bottom dead center position. The piston may define an annular recess portion in an axial end surface thereof. The direct injection fuel system may include a fuel injector that provides a fuel spray to a combustion chamber defined by the piston and the cylinder bore. The fuel spray may define an annular plume intersecting the annular recess portion in the piston when the piston is in an injection position within twenty percent of the reciprocal stroke from the top dead center position. | 10-06-2011 |
123308000 | Having multiple oxidant inlet means | 10 |
20080245337 | System for reducing combustor dynamics - A system for dampening combustor dynamics within a turbomachine. The system may include at least one resonator installed adjacent a head-end region of a combustion can. The at least one resonator may include a first side having a plurality of holes forming a cold side hole pattern; a second side having a plurality of holes forming a hot side hole pattern; and a cavity substantially defined by the first side and the hot side. The cold side hole pattern may be oriented such that each of the plurality of holes in the cold side hole pattern allows for a jet of a cooling air to substantially impinge a second side facing surface; and wherein the hot side hole pattern is oriented such that each of the plurality of holes in the hot side hole pattern allows for a jet of a working fluid to substantially impinges a first side facing surface. | 10-09-2008 |
20090241897 | LOW COST VARIABLE SWIRL - Variable swirl for internal combustion engines. In one aspect, an apparatus includes a first intake valve controlling air flow from a first intake port to a piston cylinder of the internal combustion engine, where the first intake valve has a first lift profile. A second intake valve controls air flow from a second intake port to the piston cylinder, where the second intake valve has a second lift profile different than the first lift profile. The combination of first and second lift profiles causes a variable swirl of air in the cylinder as a function of engine speed. | 10-01-2009 |
20110030654 | Two-Stroke Uniflow Turbo-Compound Internal Combustion Engine - A reciprocating two-stroke uniflow internal combustion (IC) cylinder and multiple cylinder engine, the cylinder having a cylinder wall and a cylinder head, the cylinder head having an exhaust port, a fuel injector, and a spark means disposed through the cylinder head, a piston reciprocally mounted in the cylinder for movement alternately through compression and power strokes, and a scroll plenum extending unidirectional around the outside of the cylinder wall and having an inlet and a plurality of swirl ports disposed through the cylinder wall providing fluid communication from the scroll plenum into the cylinder chamber, wherein the plurality of swirl ports enter the cylinder chamber tangentially with respect to the axial centerline of the cylinder, and wherein the plurality of swirl ports are subject to opening and closing in response to movement of said piston. | 02-10-2011 |
20120037118 | Combustion Chamber for Diesel Engines with Inclined Engine Valves - A new architecture of a combustion chamber for a diesel engine allows arranging the engine valves according to an axis inclined with respect to the cylinder axis by an angle greater than 8°, without reducing the swirl ratio obtained at the end of the compression stage. | 02-16-2012 |
20140352656 | INTAKE PORT THROTTLING CONTROL FOR DUAL FUEL ENGINES WITH ASYMMETRIC INTAKE PASSAGES - Systems and methods for controlling intake flow to dual fuel internal combustion engines are disclosed. The system includes an intake system for providing a charge flow to a plurality of cylinders of the engine through at least two asymmetric intake passages connected to respective intake ports of each cylinder of the engine. At least one or both intake passages includes a throttle to control the intake flow therethrough. The characteristics of the charge flow into the cylinders is controlled by the throttles in response to operating conditions of the dual fuel engine. | 12-04-2014 |
20140366837 | SPLIT-CYCLE-ENGINE MULTI-AXIS HELICAL CROSSOVER PASSAGE WITH GEOMETRIC DILUTION - The current application is directed to mechanical devices that mix gasses, including an end section of a split cycle engine crossover passage. The end section forms, using high-pressure air from the crossover passage and fuel from the injector, a swirling, entwined mixture on multiple axes with distributed rotational frequencies that results in a superior air/fuel mixture. Additionally, by appropriately dividing the air and geometrically entwining the mixture from each of the parallel stages, the end section provides for geometric dilution of the air/fuel mixture. Multiple-axis swirling can be introduced into many | 12-18-2014 |
20150075489 | INTERNAL COMBUSTION ENGINE AND METHOD FOR OPERATING AN INTERNAL COMBUSTION ENGINE - An intake system for an internal combustion engine is provided. The intake system may include an intake manifold fluidly connected to a cylinder, an intake valve coupled to the cylinder having an air supply duct longitudinally extending through a portion of a valve stem and having an outlet opening into the intake manifold and an inlet fluidly connected to a supply line fluidly connected to an intake passage downstream of a compressor and upstream of a throttle, and a shut-off valve positioned in the supply line configured to adjust the flow of gas through the supply line. | 03-19-2015 |
20150083077 | SWIRL-INDUCING INTAKE VALVE ARRANGEMENT - First intake valve and second intake valve for an engine cylinder bore within which a piston reciprocates are arranged side-by-side in a cylinder head for motion in unison along respective intake valve axes. First intake valve axis is nonparallel to the cylinder bore axis. A first intake valve seat for the first intake valve is disposed in a plane which is non-parallel to a plane which is perpendicular to the cylinder bore axis. First intake valve seat has a first semi-circumference toward a second semi-circumference of a second valve seat for second intake valve. At least a portion of first semi-circumference is closer, as measured along a direction parallel to the cylinder bore axis, to a plane passing through the piston perpendicular to the cylinder bore axis than is the second semi-circumference as measured along a direction parallel to the cylinder bore axis. | 03-26-2015 |
20150107551 | INTAKE PORT FOR IDEAL TUMBLE FLOW - The present invention relates to an intake port for an ideal tumble flow capable of uniformly mixing air with fuel by changing the shape of the intake port having a mounting angle into a combustion chamber and a curvature so as to form an ideal tumble flow within the combustion chamber. | 04-23-2015 |
20150345420 | ENGINE INTAKE PORT STRUCTURE - One exemplary embodiment of the present disclosure relates to an engine intake port structure. According to the engine intake port structure of the exemplary embodiment of the present disclosure, a chamfer is formed to be offset to either side from an end corner of an intake port. Accordingly, the inflow of a fuel gas is concentrated on a side in which an opening width of the chamfer is wide at the beginning of an opening stage when the intake port is opened/closed by a valve unit, and after the intake port is opened, the opening width is formed to be similar at four sides of the valve unit such that swirls formed in the fuel gas is weakened. That is, complete combustion of the fuel can be anticipated since the length of time during which the fuel gas remains in a combustion chamber is extended. | 12-03-2015 |
123309000 | Specific spark plug location | 1 |
20160195027 | CONTROLLER FOR INTERNAL COMBUSTION ENGINE | 07-07-2016 |