| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 123298000 | Injection of fuel onto igniter, deflector, heater, or atomizer | 21 |
| 20090314253 | DIRECT FUEL INJECTION DIESEL ENGINE - In a direct fuel injection diesel engine equipped with a pentroof-shaped piston, a collision angle (α) at which fuel injected in a direction in which the height of the top face of a piston ( | 12-24-2009 |
| 20100095928 | DEVICE FOR REDUCING SOOT EMISSIONS IN A VEHICLE COMBUSTION ENGINE - An internal combustion engine includes a combustion chamber, at least one intake port for directing intake air into the combustion chamber with no/low swirling; a piston with piston bowl, an injector with plurality of orifices arranged to inject fuel with high injection pressure to form spray plumes, each of the plurality of orifices having a central axis oriented at a positive spray angle sufficient to cause the spray/flame to impinge on a piston outer bowl section and a curvilinear shape of the outer bowl section is such that a reflection angle of the impingement of the central axis is positive during at least start of injection in order to increase balance between vertical upwardly directed and tangential movements of the spray/flame and to preserve mixing energy late in the combustion cycle for increased soot oxidation. | 04-22-2010 |
| 20100122686 | DIESEL ENGINE - A wall shape of a cavity consists of an inward protruding portion located at the periphery of an opening, a center portion projecting toward a fuel injector, and a peripheral portion connecting the inward protruding portion and the center portion. The fuel injector and the cavity are configured so that fuel injected from fuel injector directs to the proximity of the border between the inward protruding portion and the peripheral portion. The peripheral portion consists of a first portion located farthermost from the fuel injector, a second portion located between the inward protruding portion and the first portion, and a third portion located between the first portion and the center portion. The radii of arcs of the peripheral portion decrease from the second portion to the first portion and increase from the first portion to the third portion. | 05-20-2010 |
| 20110023819 | GLOW PLUG PLACEMENT IN A DIESEL ENGINE - A four-valve per cylinder engine has two intake valves, two exhaust valves and a centrally located fuel injector. Between each adjacent pair of valves is a valve bridge with a point of minimum separation between adjacent valves. In the present disclosure, the glow plug port is defined in the cylinder top at a location outboard of the minimum separation between adjacent and at a depth which is tangent to an edge of a fuel jet emanating the injector. By placing the glow plug farther outboard than found in the prior art, the glow plug contacts the fuel as it comes out of the injector and as it rebounds off a feature of the piston bowl. | 02-03-2011 |
| 20110067671 | Non-soot emitting fuel combustion chamber - An embodiment of the invention provides a combustion chamber for non-soot emitting fuel. The combustion chamber includes a piston bowl, and a fuel injector mounted through a cylinder wall of a cylinder with the piston bowl, wherein the fuel injector injects fuel against a wall of the piston bowl in at least a substantially tangential manner. | 03-24-2011 |
| 20110088653 | Backwards Injected Engine - Fuel is injected into and through the exhaust port and into the cylinder of the piston engine during the time when the flow is reversed from the normally expected flow. The engine is able to operate with some or all of its fuel injected backwards of conventional expectations. In another embodiment the fuel is injected with solid stream injector sprays directed against exhaust valves and ports and deflected into the piston cylinder against the flow of normally aspirated or supercharged engines. This invention can apply to gasoline or diesel cycles and four and two stroke type cycles of engine. | 04-21-2011 |
| 20110174264 | AIRLESS FUEL DELIVERY SYSTEM - An airless nozzle and fuel deliver system for a fuel-fired burner sprays fuel droplets for ignition to increase heat for regenerating an exhaust component. A source of pressurized fuel delivers pressurized fuel to a first fuel injector. In response to a first control signal, the first fuel injector is opened and fuel pressure is increased to a desired level to open a valve such that the fuel can be delivered to the airless nozzle. The airless nozzle sprays fuel droplets for a period of time that the first fuel injector is open. In response to a second control signal, the first fuel injector is closed and a second fuel injector is opened such that fuel is vented to decrease fuel pressure between the valve and the first fuel injector to stop the spray of fuel droplets by closing the valve. | 07-21-2011 |
| 20120060792 | BEVELED DAMPENING ELEMENT FOR A FUEL INJECTOR - A direct fuel injection cylinder for an engine of a vehicle includes a direct fuel injector disposed in an injector bore within a cylinder head. A beveled conical wave washer is disposed between a shelf in the injector bore and a shoulder of the direct fuel injector. During operation of the vehicle, the beveled conical wave washer is elastically deformed by radial displacement caused by absorption of high frequency energy from the direct fuel injector. Elastic deformation of the beveled conical wave washer may reduce noise which may be caused by impact of the direct fuel injector and the cylinder head. | 03-15-2012 |
| 20120085316 | DIRECT-INJECTION INTERNAL COMBUSTION ENGINE WITH INJECTION NOZZLE - A direct-injection internal combustion engine is provided. The engine comprises at least one cylinder in which a combustion chamber is jointly formed by a piston crown of a piston and by a cylinder head, each cylinder having an inlet opening for the supply of fresh air, and an injection nozzle which is arranged in the cylinder head on the opposite side of the piston crown, on which injection nozzle, at a free end projecting into the combustion chamber, are provided a plurality of nozzle holes for the direct injection of the fuel, the injection nozzle being arranged eccentrically, spaced apart from a longitudinal axis of the cylinder and inclined at an angle α to the longitudinal axis of the cylinder, at least two of the plurality of nozzle holes including opening cross-sections of different size. In this way, an equal fuel distribution in the cylinder may be provided. | 04-12-2012 |
| 20120152202 | FUEL INJECTION VALVE - A fuel injection valve having a nozzle body having nozzle holes in a tip portion thereof, where fuel led into the nozzle body is injected from the nozzle holes, the fuel injection valve including a first swirl member for generating a first swirl flow in a part of the fuel in the nozzle body; and a second swirl member for generating a second swirl flow in a part of remaining fuel in the nozzle body, the first and second swirl members being mounted so that, as viewed along a center line of the nozzle hole, the first swirl flow is located on one side of an inlet opening of the nozzle hole, while the second swirl flow is located on the other side of the inlet opening, and the first and second swirl flows are formed as opposed flows passing each other across the nozzle hole from each other. | 06-21-2012 |
| 20130019838 | DIESEL ENGINE PISTON - A diesel engine piston having a combustion chamber may include a profile surface that protrudes toward a center axis of the combustion chamber from an inner wall thereof and includes a protrusion on the inner wall, the protrusion extending from the inner wall with a predetermined length, wherein the protrusion divides a spray fuel, which may be sprayed and atomized onto the protrusion, into a fuel flow at an upper portion of the combustion chamber and a fuel flow at a lower portion of the combustion chamber, respectively. | 01-24-2013 |
| 20130092123 | COMBUSTION SYSTEM FOR AN ENGINE HAVING MULTIPLE FUEL SPRAY INDUCED VORTICES - An internal combustion engine includes an engine assembly that defines a bore, and a piston disposed and moveable within the bore. The piston and the engine assembly cooperate to define a combustion chamber therebetween. A direct injection fuel system directs a fuel spray into the combustion chamber along a linear path. The combustion chamber includes a contoured surface having a plurality of annular recesses. The contoured surface divides and re-directs the fuel spray from the linear path into each of the annular recesses to form a plurality of independent rotating vortices. | 04-18-2013 |
| 20130118447 | LASER HEATING SYSTEM - A method for vaporizing fuel is provided. The method comprises heating the fuel in a cylinder of an engine via radiation to vaporize the fuel without ignition. In this way, the fuel may be heated to increase vaporization efficiency prior to ignition. | 05-16-2013 |
| 20130133614 | INTERNAL-COMBUSTION ENGINE - An internal-combustion engine includes a cylinder, a piston, a spark plug, and a fuel injection device. The piston includes a top surface, a guiding protrusion, and a cavity. The cavity is provided at a position closer to the fuel injection device than the guiding protrusion when viewed from above the top surface of the piston. The guiding protrusion includes a guiding surface to guide the fuel mist toward the spark plug when the fuel mist is injected from the fuel injection device at a first predetermined timing in a compression stroke. The cavity includes a guiding wall portion to guide the fuel mist toward the spark plug when the fuel mist is injected from the fuel injection device at a timing in the compression stroke between the first predetermined timing and a second predetermined timing. | 05-30-2013 |
| 20140090622 | INTERNAL COMBUSTION ENGINE - An internal combustion engine electrically ignites most of the fuel as it is introduced into the combustion chamber. This design solves the lower efficiency of typical Otto Cycle engines by allowing the use of a full air charge for each power cycle. This design also solves the problem of heavy duty designs required for existing diesel cycle engines by allowing relatively low compression ratios and therefore lighter weight engine designs. The engine design allows a wide range of fuel combustion properties, as it avoids a dependence on flame propagation through a combustible mixture, where fuel combustion properties control evaporation, rate of flame front propagation and the like. The engine design forces the combustion to be initiated as and at the rate the fuel is introduced into the combustion chamber. | 04-03-2014 |
| 20150053172 | DIESEL COMBUSTION SYSTEM - A diesel combustion system including an injector and a combustion chamber. The combustion chamber is formed by a cylinder head, a cylinder liner, and a piston. The combustion chamber includes an upper layer and a lower layer. The diameter D1 of the upper layer is larger than the diameter D2 of the lower layer. A junction of the upper layer and the lower layer is provided with an impinging block for rebounding the diesel fuel spray. The impinging block includes an impinging surface, an upper guide surface, and a lower guide surface. When in use, part of the diesel fuel spray is rebounded by the impinging surface, and part of the diesel fuel spray is diffused along the upper guide surface and the lower guide surface of the impinging block to achieve double-layered split flow of the diesel fuel. | 02-26-2015 |
| 20150330290 | METHOD AND SYSTEM FOR IGNITION ENERGY CONTROL - Methods and systems are provided for improving spark robustness. Spark ignition dwell commands are adjusted based on the fuel fraction delivered via direct injection relative to port injection. The approach allows ignition output to better match the ignition requirement of the given fuel combination. | 11-19-2015 |
| 20160069320 | METHOD AND APPARATUS FOR CONTROLLING OPERATION OF AN INTERNAL COMBUSTION ENGINE - An internal combustion engine includes a plasma ignition system having an in-cylinder dielectric barrier-discharge igniter, and a direct-injection fuel injector having an in-cylinder fuel nozzle. The fuel nozzle protrudes into the combustion chamber proximal to the igniter. A controller operatively connects to the internal combustion engine, the plasma ignition system and the fuel injection system. The controller controls the internal combustion engine at an air/fuel ratio that is lean of stoichiometry. The fuel injector injects a first fuel pulse prior to activation of the igniter, and then the igniter initiates a plasma energy pulse. The fuel injector is controlled to inject a second fuel pulse during the plasma energy pulse. | 03-10-2016 |
| 20160084148 | DIRECT INJECTION DIESEL ENGINE - Fuel injection nozzle ( | 03-24-2016 |
| 20160102629 | CYLINDER HEAD FOR AN AUTO-IGNITION ENGINE WITH DIRECT INJECTION - An auto-ignition engine system is provided. The auto-ignition engine system includes a cylinder having an intake valve and an exhaust valve coupled thereto, an opening in a cylinder head defining a portion of the boundary of the cylinder, a glow plug heating element extending through the opening into the cylinder, an insert at least partially surrounding a glow plug heating element and coupled thereto, and an adjustment mechanism configured to alter the position of the glow plug heating element and the insert in the cylinder. | 04-14-2016 |
| 20160201631 | COMBUSTION CHAMBER STRUCTURE FOR ENGINE | 07-14-2016 |
