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| Number | Title | Issue Date |
| 8141537 | 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 predetermi... | 03/27/2012 |
| 8127742 | Intake control device for internal combustion engine An intake control device for an internal combustion engine having a first intake passage (5); a second intake passage (8); an intake passage length-changing valve (11); a partition (14) that partitions the intake passage into two partitio... | 03/06/2012 |
| 8118007 | Air intake device for internal combustion engine An L-shaped rotary valve has a pair of side plates and a valve plate. The rotary valve is rotatably supported in a housing at a shaft 5. The valve plate moves along downstream ends of side wall portions of an air duct. A gap is formed between a downstream end... | 02/21/2012 |
| 8100108 | 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 r... | 01/24/2012 |
| 7958863 | Intake device for internal combustion engine In an intake device for an internal combustion engine, in which a valve body rotatable about a valve shaft is provided within an intake passage and by which an intake flow is controlled, the valve shaft is eccentric with a center of the valve body and is supported a... | 06/14/2011 |
| 7938099 | Intake port structure of internal combustion engine An intake port structure of an internal combustion engine includes an intake port, a valve shaft provided in proximity to an inner wall of the intake port, and an airflow control valve having a proximal end which is pivotally supported on the valve shaft and a dista... | 05/10/2011 |
| 7900595 | Intake port structure for internal combustion engine An intake port structure for an internal combustion engine according to the invention includes a valve shaft provided in an intake port; and an airflow control valve that is supported by the valve shaft at one end of the airflow control valve or at a position near t... | 03/08/2011 |
| 7886713 | Lower intake manifold with charge motion control valve A lower intake manifold assembly includes a lower housing and a runner insert fitted into the lower housing. The lower housing may be made of metal and the runner insert may advantageously be made of a synthetic resin material. The runner insert provides a sealing s... | 02/15/2011 |
| 7878172 | 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 ... | 02/01/2011 |
| 7856957 | 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 reciprocal... | 12/28/2010 |
| 7823558 | Tumble system for the intake manifold of an internal-combustion engine provided with an actuator made with shape-memory material A tumble system for the intake manifold of an internal-combustion engine is provided with a number of cylinders. The tumble system is provided with at least one throttle valve for varying the section of passage of air through an intake pipe, which connects a cylinde... | 11/02/2010 |
| 7802555 | Intake control device for an engine In an intake control device, upper and lower partition plates are provided in an intake passage extending obliquely upward from a combustion chamber as seen in an axial direction of a crankshaft. The partition plates divide the intake passage into upper intake passa... | 09/28/2010 |
| 7789064 | Piston engine A piston engine (10), in particular in a motor vehicle, has a plurality of cylinders (3) whose combustion chambers (4) are connected to a fresh gas system (5). The fresh gas system (5) has two gas paths, namely a full-load path ( | 09/07/2010 |
| 7762229 | Intake system for internal combustion engine In an intake system for an internal combustion engine wherein a partition plate is provided within an intake pipe in a longitudinal direction so that an inside is divided into a first intake passage, which is an upper side passage of the above described intake pipe,... | 07/27/2010 |
| 7707989 | Intake port structure for engine In an engine combustion chamber, a first intake port (19) formed from a straight port has a throat portion (43) formed in a linear shape and opening in a tangential direction of the inner periphery of a cylinder (11a), thus generating a f... | 05/04/2010 |
| 7690349 | Throttle body spacer for use with internal combustion engines A throttle body spacer for improving engine performance is provided. It comprises a spacer block with a smooth bore hole, a plurality of air fins, each air fin being connected at one end to the spacer block and the distal end extending to about the center of the bor... | 04/06/2010 |
| 7665442 | Throttle plate for use with internal combustion engine A throttle plate for use with internal combustion engines comprised of a relatively thin piece of material so that installation of the throttle plate between the carburetor or throttle body and intake manifold of a vehicle does not require additional brackets or com... | 02/23/2010 |
| 7568464 | Barrel-style charge motion control valve for V-configuration engines An apparatus and method for controlling charge motion in the air intake manifold includes a barrel-style valve rotatably mounted in the lower air intake manifold between the linearly arranged set of air inlets and the first and second sets of laterally offset air ou... | 08/04/2009 |
| 7543561 | 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 fl... | 06/09/2009 |
| 7472680 | Vortex generator with sub-aperture and method of manufacturing the same A vortex generator is disclosed for flow of a fluid. The vortex generator includes a housing that includes a passage through which the fluid flows. The vortex generator also includes a valve that is movably coupled to the housing between a fully closed position and ... | 01/06/2009 |
| 7464691 | Mixing element for creating a vortex motion in an inlet manifold of an internal combustion engine A device configured to impart a vortex motion in a fluid for an internal combustion engine, the internal combustion engine comprising a throttle. The device comprises at least one mixing element, the mixing element being disposed transversely to a main direction of ... | 12/16/2008 |
| 7455043 | Variable-geometry intake manifold for an internal-combustion engine Described herein is a variable-geometry intake manifold for an internal-combustion engine; the intake manifold is provided with: at least one intake pipe, which connects the intake manifold to at least one cylinder of the internal-combustion engine; a partialization... | 11/25/2008 |
| 7412974 | Device for enhancing fuel efficiency of internal combustion engines An apparatus for enhancing the fuel efficiency of an internal combustion engine includes a generally conical-shaped member positioned in a gas flow generated by the engine. One or more deformations, such as tabs and notches, are formed in the conical member to alter... | 08/19/2008 |
| 7409944 | Intake structure for internal combustion engine An intake structure for internal combustion engine includes an intake passage which is communicated with a combustion chamber of the internal combustion engine and through which air to be supplied to the combustion chamber flows; and a valve which is provided in the... | 08/12/2008 |
| 7398758 | Combustion control method for a direct-injection controlled auto-ignition combustion engine A powertrain, and a control method therefor, are provided, wherein ignition of a combustible charge in a combustion chamber of a controlled auto-ignition internal combustion engine equipped with in-cylinder fuel-injection and a spark ignition device is controlled. T... | 07/15/2008 |
| 7369937 | Intake air temperature rationality diagnostic A method of determining whether a fault condition of an intake air temperature (IAT) sensor of an engine is present includes estimating a first intake charge temperature (ICT) based on an estimated first ICT and a previously estimated first mass air flow (MAF) and e... | 05/06/2008 |
| 7364601 | Precleaner arrangement for use in air filtration; method; and, air cleaner using same A precleaner arrangement for use in separating a portion of entrained material in air from air entering an air cleaner, is provided. The precleaner arrangement includes a vane structure positioned to direct air into a circular or cyclonic pattern, to facilitate mate... | 04/29/2008 |
| 7360511 | Opposed piston engine A two-cycle, opposed piston engine with side-mounted crankshafts and cylinders isolated from mechanical stresses of the engine includes tailored cooling of cylinders and symmetrical cooling of the interior surfaces of piston crowns. Each opposed piston includes a co... | 04/22/2008 |
| 7357117 | Structured combustion chamber for use in engine A structured combustion chamber for an engine has a cylinder head with an intake hole portion communicating between an intake port and a combustion chamber and an exhaust hole portion which makes a communication between an exhaust port and the combustion chamber, an... | 04/15/2008 |
| 7355757 | Fast edge reconstruction with upscaling for pulse width modulation rendering A selected antialiasing technique is applied to non-labeled gray-scale or color image data by deconstructing an image into a set of binary images, applying the antialiasing method to each binary image to generate antialiased images, and combining the antialiased ima... | 04/08/2008 |
| 7337763 | Engine valve actuation for combustion enhancement A combustion chamber valve, such as an intake valve or an exhaust valve, is briefly opened during the compression and/or power strokes of a 4-strokes combustion cycle in an internal combustion engine (in particular, a diesel or CI engine). The brief opening may (1) ... | 03/04/2008 |
| 7337755 | Cylinder head cooling structure for an internal combustion engine, including an oil temperature sensor and an oil temperature control system A cylinder head cooling structure and an oil temperature control system are provided for an internal combustion engine having a plurality of cylinders, each having a plurality of intake ports and a plurality of exhaust ports. The engine includes cooling oil jackets ... | 03/04/2008 |
| 7334561 | Internal combustion engine According to the invention, noise of an internal combustion engine is reduced by dynamically correcting the moment of injection when the engine is in the transient mode. ... | 02/26/2008 |
| 7334781 | System and method for treating fuel to increase fuel efficiency in internal combustion engines Various embodiments of the present invention are directed to a system and method for increasing fuel efficiency in internal combustion engines by radially accelerating fuel prior to combustion. In one embodiment of the present invention, fuel is input, under pressur... | 02/26/2008 |
| 7325538 | Versatile vortex air generator and method of installation An easily installed versatile trimmable fit-to-size vortex airflow generator for use in internal combustion engines to enhance fuel efficiency is provided. The multi-impeller vortex generator comprises a plurality of blades evenly spaced angularly on a central hub. ... | 02/05/2008 |
| 7322191 | Device for imparting a whirling motion on the flow of air for supplying a turbo-supercharged internal-combustion engine A device for imparting a whirling motion on the flow of air for supplying a turbo-supercharged internal-combustion engine is designed to be interposed in the duct for supplying the air upstream of the supercharger for supercharging the engine. The device comprises a... | 01/29/2008 |
| 7322333 | Internal combustion engine air intake structure An air intake structure is provided with an air intake control valve disposed in the air intake passage. The air intake control valve has a valve element pivotally mounted at one end adjacent to a passage wall of the air intake passage. The air intake control valve ... | 01/29/2008 |
| 7320297 | Internal combustion engine There is provided an internal combustion engine that uses a blended fuel consisting of hydrocarbon and alcohol, and can efficiently operate relative to a wide range of required load. The internal combustion engine includes: intake ports 4a and 4... | 01/22/2008 |
| 7313918 | Alternative (reciprocating) engine with recirculation of exhaust gases intended for the propulsion of automobiles and method turbocharging these motors A reciprocating engine includes a turbocharging unit that: supplies the intake manifold with air via a coolant; is supplied with gas by the exhaust manifold; and has the turbine supply pressure substantially equal to the compressor discharge pressure. At constant ai... | 01/01/2008 |
| 7308871 | Control apparatus for variable valve apparatus and method thereof An engine control unit diagnoses whether or not a unit that controls a variable valve apparatus is failed, and when it is diagnosed that the unit is failed, the engine control unit shuts off the power supply to a drive circuit for an actuator of the variable valve a... | 12/18/2007 |
