| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 239533120 | With discharge modifier* | 36 |
| 20080203194 | Fuel Injection Valve - A fuel injection valve is provided that includes a valve seat member ( | 08-28-2008 |
| 20080245902 | Mixed-Mode Fuel Injector with a Variable Orifice - The invention disclosed a mixed-mode fuel injector with micro-variable-circular-orifice (MVCO), which is a fuel injection device for internal combustion engines, either diesel or gasoline engines. The fuel injector is a high-accuracy couple of components comprising a needle valve ( | 10-09-2008 |
| 20080283632 | Fuel injector director plate having chamfered passages and method for making such a plate - An improved fuel injection spray director plate including conically chamfered entries to the flow passages through the plate. The conical chamfer may extend part way or all the way through the plate. In a currently preferred embodiment, the chamfer extends only part way through the plate, and the remaining cylindrical portion of the passage provides desirable directional capability for the spray. Preferably, the conical chamfer axis forms an angle with the cylindrical portion axis. Preferably, a flow passage is positioned in the director plate such that the main flow direction of fuel exiting the fuel injector valve is received into the chamfer of the passage. Preferably, a second conical portion is formed in the passage between the first conical portion and the cylindrical portion. | 11-20-2008 |
| 20080308657 | Fuel Injection Valve - A fuel injection valve in which, even in an engine in which a fuel containing many foreign matters is used, pinching of solid foreign matters, such as impurities, dirt and dust, and combustion residues, in a sliding part on the outer periphery of a needle valve, the tip of the needle valve, and a seat of a nozzle tip, malfunction an seizure of the needle valve due to such containing, and poor combustion due to irregular injection are prevented from occurring. | 12-18-2008 |
| 20090008480 | Dual spray injection nozzle - A fuel injector for an internal combustion engine comprising a nozzle body defining a nozzle bore and an outer valve needle that is slideably positioned within the nozzle bore. The outer valve needle is engageable fluidtightly with a valve seat provided on an internal surface of the nozzle bore, in order to control fuel delivery through at least one upper spray hole that is positioned so as to provide a flow path through the wall of the nozzle body. The upper spray hole has a hole entry positioned on an internal surface of the nozzle body and a hole exit positioned on an external surface of the nozzle body. The outer valve needle is provided with a bore, within which an inner valve needle is slideably positioned. The tip of the inner valve needle is engageable fluidtightly with a valve seat in order to control fuel delivery through at least one axial spray hole ( | 01-08-2009 |
| 20090014561 | COMPONENTS CAPABLE OF TRANSPORTING LIQUIDS MANUFACTURED USING INJECTION MOLDING - Fuel nozzles including a fuel conduit supply having at least one pilot cavity and at least one main cavity, and a distributor ring having at least one injection post extending outwardly therefrom, the distributor ring operably coupled to each of the at least one pilot cavity and at least one main cavity wherein the nozzle is fabricated using metal injection molding. | 01-15-2009 |
| 20090020633 | Spray hole profile - A fuel injector for an internal combustion engine comprising a nozzle body having at least one spray hole. The at least one spray hole has a hole entry on the inside of the nozzle body and a hole exit on the outside of the nozzle body. The spray hole is provided with a hole entry section which, starting from the hole entry, has a flow area which decreases from a relatively larger flow area at the hole entry to a relatively small flow area at the intersection between the end of the hole entry section and the start of a hole exit section. The hole exit section, starting from the intersection with the hole entry section, has a flow area which increases from a relatively small flow area at the intersection with the hole entry section to a relatively larger flow area at the hole exit. | 01-22-2009 |
| 20090050717 | INJECTOR NOZZLE - To provide an injector nozzle that enables the increase in the maximum injection rate of fuel. An injector nozzle | 02-26-2009 |
| 20090057445 | LOW PRESSURE FUEL INJECTOR NOZZLE - A nozzle for a low pressure fuel injection that improves the control and size of the spray angle, as well as enhances the atomization of the fuel delivered to the cylinder for an engine. | 03-05-2009 |
| 20090057446 | LOW PRESSURE FUEL INJECTOR NOZZLE - A nozzle for a low pressure fuel injection that improves the control and size of the spray angle, as well as enhances the atomization of the fuel delivered to the cylinder for an engine. | 03-05-2009 |
| 20090065613 | FUEL INJECTION VALVE - A fuel injection valve includes a body having a high pressure fuel passage and a nozzle hole, which is connected to the passage, a nozzle needle opening/closing the hole and having a needle piston part, a piezo stack extended when the stack is charged and contracted when the stack discharges electric charge, a cylinder, in which the needle piston part is slidably inserted and which is driven by the stack, a fixed piston having a fixed piston part that is slidably inserted in the cylinder and that has a larger diameter than the needle piston part, an oil-tight chamber between the needle piston part and the fixed piston part in the cylinder, and a nozzle spring urging the needle in a valve closing direction. The cylinder is displaced due to extension/contraction of the stack, so that volume of the chamber increases/decreases and the needle opens/closes the hole. | 03-12-2009 |
| 20090095824 | Fuel Injection Control Device For Internal Combustion Engine - When fuel injection is carried out, an amount of deposit produced newly around a second injection hole is estimated on the basis of an amount of fuel injected from at least the first injection hole. The amount of produced deposit estimated every time the first fuel injection is carried out is integrated. When the integrated value of the amount of deposit reaches a set value, fuel injection in which the second injection hole is used is carried out to remove the deposit. | 04-16-2009 |
| 20090108106 | FUEL INJECTOR WITH HYDRAULIC DAMPING - A fuel injector provided with: an injection valve comprising an injection nozzle; a movable plunger for adjusting the flow of fuel through the injection valve and ending in a shutting head which engages a valve seat of the injection valve; an actuator for displacing the plunger between a closing position and an opening position of the injection valve; an annular backing element which constitutes an upper stroke end of the plunger and defines the opening position; and a hydraulic damping device which is adapted to generate on the plunger a hydraulic force which opposes the movement of the plunger towards the opening position when the plunger itself is close to the backing element. | 04-30-2009 |
| 20090134246 | Fuel injector - A fuel injector for use in an internal combustion engine, comprising a nozzle body being provided with a nozzle bore and at least one set of one or more outlets for fluid, an outer valve member received within the nozzle bore and being engageable with a first seating region of the nozzle body to control the flow of a first fluid from a first delivery chamber, the outer valve member being provided with an outer valve bore, and an inner valve member received within the outer valve bore and being engageable with a second seating region of the nozzle body to control the flow of a second fluid from a second delivery chamber. In various embodiments, the fuel injector can be arranged to allow the first and second fluids to be injected separately and/or together. In one embodiment, the first and second fluids can be mixed within the injector before injection. | 05-28-2009 |
| 20090140078 | FUEL INJECTOR WITH MECHANIC DAMPING - A fuel injector provided with: an injection valve comprising an injection nozzle; a mobile needle for adjusting the flow of fuel through the injection valve and ending in a shutting head which engages a valve seat of the injection valve; an actuator for displacing the needle between a closing position and an opening position of the injection valve; a catch element which constitutes an upper end stroke of the needle and defines the opening position; and a mechanical damping device which is interposed between the needle and the catch element and which is adapted to generate on the needle an elastic force which opposes to the movement of the needle towards the opening position when the needle is in proximity of the catch element. | 06-04-2009 |
| 20090145984 | PUSH BUTTON WHEREIN THE DISPENSING CHAMBER IS FORMED BETWEEN A BODY AND AN ADDED COVER - An actuating push button of a dispensing system of a liquid, that includes a body and a dispensing chamber in communication with a shaft which is formed in said body to pump the liquid, said chamber being provided with at least one orifice for the dispensing of the pumped liquid, said push button including an added cover which is associated to the body with the upper wall of said body arranged across from the lower wall of said cover, a cavity being formed on at least one of these walls in such a way as to form the dispensing chamber between said walls. | 06-11-2009 |
| 20090179087 | METHOD AND APPARATUS FOR INJECTING ATOMIZED FLUIDS - Methods and apparatus for injecting reagent, such as an aqueous urea solution, into an exhaust stream in order to reduce emissions from an engine exhaust. The present teachings can use a whirl plate having a plurality of whirl slots surrounding an exit orifice of an injector, which produce a high velocity rotating flow in the whirl chamber. When the rotating flow of reagent is passed through the exit orifice into an exhaust stream, atomization occurs from a combination of centrifugal force and shearing of the reagent by air as it jets into the exhaust stream. | 07-16-2009 |
| 20090200402 | Fuel injector - The fuel injector including an orifice plate which is provided with a multitude of outlet openings and situated downstream from a valve-seat body having a fixed valve seat. Directly upstream from the outlet openings is an inflow opening having an annular inflow cavity. The valve-seat body covers the inflow cavity in such a way that the downstream outlet openings of the orifice plate are covered. The outlet openings each have an inflow region whose diameter D | 08-13-2009 |
| 20090200403 | FUEL INJECTOR - A fuel injector having a nozzle with depressions for increasing fluid turbulence and preventing deposit build up within the injector to increase performance, longevity and fuel economy. | 08-13-2009 |
| 20090206181 | Fuel Injector - A fuel injector includes an orifice plate situated downstream from a valve-seat body having a fixed valve seat, the orifice plate having at least one outlet opening. Provided directly upstream from the outlet openings is an inflow opening having an annular inflow cavity. The valve-seat body covers the inflow cavity in such a way that the downstream outlet openings of the orifice plate are covered. The inflow cavity directly upstream from the at least one outlet opening is configured such that the flow approaches the at least one outlet opening largely at a right angle to the longitudinal extension of the outlet opening. With regard to the cross section, the at least one outlet openings has a polygonal form, in particular one that encloses at least one triangle, or it has a meander shape with a plurality of curves in the outer contour. The fuel injector may be particularly suitable for use in fuel injection systems of the mixture-compressing internal combustion engines having external ignition. | 08-20-2009 |
| 20090230219 | Fuel Injection Nozzle - In a fuel injection nozzle for an internal combustion engine, a first cavity is disposed downstream of a valve seat in a direction in which fuel flows. A second cavity is disposed downstream of the first cavity in the direction in which the fuel flows. A fuel passage connects the first cavity to the second cavity. Fuel injection holes ( | 09-17-2009 |
| 20100051724 | Dual Action Fuel Injection Nozzle - The disclosure provides a fuel injection nozzle. The fuel injection nozzle includes a nozzle body, with the nozzle body defining a central bore. A fuel atomizer is disposed in the central bore. The fuel atomizer defines a spill-return bore and a swirl chamber. The swirl chamber is in fluid communication with the central bore. The spill-return bore includes a return swirler approximate the swirl chamber. An air supply pump is coupled to the fuel atomizer and is in fluid communication with the spill-return bore. The air supply pump is configured to selectively inject air into the swirl chamber through the spill-return bore. | 03-04-2010 |
| 20100090031 | FUEL INJECTION VALVE - A fuel injection valve in which a valve element is formed at a distal end thereof with a flat portion | 04-15-2010 |
| 20100133361 | FUEL INJECTION VALVE FOR INTERNAL COMBUSTION ENGINE - A fuel injection valve ( | 06-03-2010 |
| 20100155507 | Fuel Injection Valve - A fuel injection valve includes a valve seat ( | 06-24-2010 |
| 20100193612 | Fuel Injector and Method for Forming Spray-Discharge Openings - A fuel injector for fuel injection systems of internal combustion engines has an excitable actuator for activating a valve closing element, which forms a sealing seat together with a valve face implemented on a valve seat element. Multiple spray-discharge openings are implemented in the valve seat element downstream from the valve face. The fuel injector is distinguished in that the spray-discharge openings include at least one upstream first spray-discharge opening section and one downstream second spray-discharge opening section having a different opening width and a wall area of the second spray-discharge opening section of all spray-discharge openings on a semi-circle runs either parallel or at a right angle to the longitudinal axis of the valve seat element having the spray-discharge openings. The valve seat element is manufactured using metal injection molding methods. | 08-05-2010 |
| 20100213285 | NOZZLE DESIGN TO REDUCE FRETTING - A method of designing a fuel nozzle of a gas turbine engine to reduce fretting thereof during use, including establishing an initial nozzle design, determining a first natural frequency of that design and a running frequency range of the gas turbine engine, and increasing a first transverse dimension of the stem member of the nozzle across a length of a portion thereof adjacent the inlet end until the first natural frequency of the nozzle is outside the running range, while a second transverse dimension of the portion remains at least substantially unchanged across the length thereof. | 08-26-2010 |
| 20100237174 | FUEL INJECTOR - A fuel injector has a plurality of fuel injection ports including first injection ports and second injection ports. Injection-port axes of the first injection ports extend to a first space in a combustion chamber. Injection-port axes of the second injection ports extend to a second space in a combustion chamber. An interval of the injection-port axes between adjacent first injection ports is shorter than an interval of the injection-port axes between the first injection port and the second injection port which are adjacent to each other. | 09-23-2010 |
| 20100282872 | FUEL INJECTOR - A fuel injector, in particular for direct injection of fuel into a combustion chamber of an internal combustion engine, has a valve needle, which is situated in a nozzle body and is operable by an actuator, and a valve closing body, which is operatively connected to the valve needle and, for opening and closing the valve, cooperates with a valve seat face formed on a valve seat body, the valve seat body being provided with at least one spray hole. The at least one spray hole has a first cylindrical section having a fuel inlet opening and a second cylindrical section situated downstream from the first cylindrical section and having a fuel outlet opening, the first and the second cylindrical sections not running coaxially to one another. | 11-11-2010 |
| 20100320293 | Fuel Injector - A fuel injector is disclosed that has plural nozzle holes with the same cross-sectional shape and can individually set the flow rate of each nozzle hole. The fuel injector includes the plural nozzle holes, a seat section positioned upstream of the nozzle holes, a valve element that closes a valve when brought into contact with the seat section and opens the valve when separated from the seat section, and a circular cone tapered from an upstream end to a downstream end and provided with the seat section and an inlet opening of the nozzle holes. The plural nozzle holes have an identical shape and a shape of a cross-section of each of the nozzle holes is substantially out-of-round, the cross-section being perpendicular to a central axis of each of the nozzle holes. The cross-section of each of the nozzle holes is rotated around the central axis of each of the nozzle holes. A rotation angle of the cross-section is set in such a manner that a relationship between a conical surface of the circular cone and the rotation angle is different among at least two of the nozzle holes. | 12-23-2010 |
| 20110163187 | VALVE FOR ATOMIZING A FLUID - A valve for atomizing fluid is specified, in particular an injection or metering valve for fuel injection or exhaust-gas systems of motor vehicles, which valve has a valve seat body (11) with a valve seat (14) which surrounds a valve opening (13), a perforated injection disc (17) which bears against the front side of the valve seat body present between the valve opening (13) and (12) downstream of the valve opening (13) and has at least one spray hole (18) which is offset radially with respect to the valve opening (13), and an inflow cavity (19) which is the at least one spray hole (18). For the inexpensive and reproducible production of a stable, corrosion-resistant perforated injection disc (18) with improved atomization of the ejected fluid, the inflow cavity (19) is formed by at least one depression (20) which is made in that disc face of the perforated injection disc (17) which faces the valve seat body (12), in such a way that part of the depression (20) protrudes into the valve opening (13) and the remaining part of the depression (20) is covered by the valve seat body (12). The at least one spray hole (18) is made in that part of the depression (20) which is covered by the valve seat body (12), close to the depression wall, which faces away from the valve opening (13), into the bottom (201) of the depression (20). | 07-07-2011 |
| 20110215177 | INJECTION NOZZLE - An injection nozzle for injecting a fluid, the injection nozzle including a nozzle body and a nozzle hole defining a flow passage for fluid, the flow passage including passage walls and the nozzle hole having an inlet in fluid communication via the flow passage with an outlet wherein, the inlet is larger than the output and for at least one section through the inlet and outlet along the flow passage that the nozzle hole is defined, for all distances x within a substantial length of the flow passage, by the condition: |(dS/dx)|>45 microns/millimeter, where S=passage wall separation and x is the distance from the inlet. | 09-08-2011 |
| 20110240770 | FUEL INJECTOR WITH VARIABLE AREA PINTLE NOZZLE - A fuel injector may include a housing, a pintle nozzle assembly and an actuation assembly. The housing may define a longitudinal bore, a high pressure fuel duct in communication with the longitudinal bore and a valve seat including a valve seat surface and an aperture. The pintle nozzle assembly may include a stem and a pintle and may be at least partially disposed within the longitudinal bore and be variably displaceable between a first position and a second position. In the first position, the pintle nozzle assembly may abut the valve seat to seal the aperture. In the second position, the pintle nozzle assembly may be displaced from the valve seat to open the aperture. The actuation assembly may be coupled with the pintle nozzle assembly and operate to move the pintle nozzle assembly to a plurality of positions between the first position and the second position. | 10-06-2011 |
| 20110253812 | FUEL INJECTION VALVE - A plate convex is formed on the upstream side of the injection hole plate and a plate concave is formed on the downstream side of the injection hole plate so as to form a pair together, a minimum of one set of the plate convexes and the plate concaves are formed, and the injection holes are arranged so that the radial centerline which connects the centerline of the plate convex from the axial center of the fuel injection valve does not overlap the center of the injection hole on an upstream flat surface of the injection hole plate, and the plate convex is arranged so as to straddle the injection hole on the upstream flat surface of the injection hole plate, and the top surface of the plate convex. | 10-20-2011 |
| 20120018541 | GAS FUEL INJECTION VALVE - A gas fuel injection valve is provided in which a single nozzle member ( | 01-26-2012 |
| 20140299679 | DISPENSING HEAD FOR A SYSTEM FOR DISPENSING A PRESSURISED PRODUCT - The invention relates to a dispensing head ( | 10-09-2014 |
