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| Number | Title | Issue Date |
| 8020525 | Cylinder charge temperature control for an internal combustion engine A method is disclosed for operating an engine with a first cylinder providing a net flow of gases from the intake to the exhaust while combusting; and a second cylinder providing a net flow of gases from the exhaust to the intake. Both the first and second cylinders... | 09/20/2011 |
| 7762219 | Recirculation system for motor A motor has an engine block with cylinders arranged to fire in a firing order. A recirculation system delivers combusted mixture from a cylinder which has just fired to at least partly mix with fuel for the next cylinder in the firing order. Injector bodies (401 | 07/27/2010 |
| 7665429 | Swirl-injection type eight-stroke engine The present invention provides a swirl-injection type eight-stroke engine capable of constantly varying the injection-direction of the high-density-air from the slave cylinder, thereby effectively circulating the high-density-air around the master cylinder wall and ... | 02/23/2010 |
| 7621240 | Internal combustion engine and method of control The invention relates to an internal combustion engine comprising at least two cylinders, at each of which at least one inlet for at least one combustion ingredient is provided. The engine comprises communication means, adapted to provide communication between at le... | 11/24/2009 |
| 7367327 | Device and process for overfeeding compressed gas to an intake pipe of a turbocharged engine Method and device (1) for boosting an intake pipe (4) of a turbocharged engine (5) with compressed gas. The method includes storing gases in a vessel (12) at a pressure greater than atmospheric pressure and, afterwards in injecting the ga... | 05/06/2008 |
| 7357125 | Exhaust gas recirculation system A flow control mechanism connected to the intake and exhaust systems of an engine. The mechanism may achieve recirculation of exhaust gases despite varying differential pressures or pulses of pressures. The control mechanism may be connected to a storage device. The... | 04/15/2008 |
| 7340338 | Method and device for operating an internal combustion engine A method and a device for operating an internal combustion engine, particularly of a vehicle, having several cylinder banks are provided, which allow for a simplified control. For this purpose, a resulting requirement is formed by coordinating several output variabl... | 03/04/2008 |
| 7328692 | Intake device for internal combustion engine According to one aspect of the invention, there is provided an intake device for an internal combustion engine, including a gas passage unit defining therein a secondary gas supply passage for supplying a secondary gas to an intake of the engine, and a thermal insul... | 02/12/2008 |
| 7273026 | Roller follower body The present invention relates to a roller follower, comprising an outer surface, enclosing a first cavity, a second cavity, and a transition opening, wherein the first cavity includes a first inner surface configured to house a cylindrical insert the second cavity i... | 09/25/2007 |
| 7249598 | Hydrogen augmented diesel crankcase ventilation A hydrogen augmented diesel crankcase ventilation system uses hydrogen to allow crankcase fumes, for example blow-by, to be burned by the engine. The system preferably includes a hydrogen generation system as a hydrogen source connected to an engine air intake by a ... | 07/31/2007 |
| 7219634 | Spark ignition engine control device For the purpose of improving the fuel efficiency by lean combustion and enhancing the fuel efficiency improvement effects by performing compression ignition efficiently in some cylinders, a multi-cylinder spark ignition engine is constructed such that exhaust gas, t... | 05/22/2007 |
| 7213553 | Internal EGR for an internal combustion engine An exhaust gas recirculation (EGR) system for use in a four-stroke, internal combustion, compression-ignition engine having at least one engine cylinder, at east one combustion chamber, at least one intake valve and a crankshaft. The EGR system includes at least one... | 05/08/2007 |
| 7182050 | Control device for spark-ignition engine The invention is intended to provide improved emission-cleaning performance by use of a three-way catalyst alone, without the need for a lean NOx catalyst, while ensuring a fuel economy improvement effect of lean burn operation. A multicylinder spark-ignition engine... | 02/27/2007 |
| 7178616 | Power generation system and method An extended rich mode engine configured and operated extremely rich of stoichiometric to produce a substantially continuous hydrogen rich engine exhaust. Oxygen enrichment devices further optimize production of hydrogen rich engine exhaust. Engines include a free pi... | 02/20/2007 |
| 7162864 | Method for control of NOx emission from combustors using fuel dilution A method of controlling NOx emission from combustors. The method involves the controlled addition of a diluent such as nitrogen or water vapor, to a base fuel to reduce the flame temperature, thereby reducing NOx production. At the same time, a gas capable of enhanc... | 01/16/2007 |
| 7150273 | Exhaust manifold arrangement A passageway is provided between branches of a multi-branch exhaust manifold to reduce the amount of backflow (iEGR) into the cylinders at low engine speeds. The passage is located upstream of the turbocharger and can be at the part of the manifold where the branche... | 12/19/2006 |
| 7143725 | Dual six-stroke self-cooling internal combustion engine The present invention provides a dual six-stroke self-cooling internal combustion engine which utilizes a turbo and a cooling cylinder to compress cool air onto the engine head and reduce the engine temperature. The present invention greatly reduces the size and the... | 12/05/2006 |
| 7137381 | Indirect variable valve actuation for an internal combustion engine A reciprocating piston-type internal combustion engine includes an engine cylinder, an intake port, an intake runner providing a passage through which intake gas enters the cylinder through the intake port, an intake valve for opening and closing the intake port, an... | 11/21/2006 |
| 7128062 | Method for mid load operation of auto-ignition combustion A method is disclosed for expanding the mid load range of a four-stroke gasoline direct-injection controlled auto-ignition combustion engine. The engine includes at least one cylinder containing a piston reciprocably connected with a crank and defining a variable vo... | 10/31/2006 |
| 7096833 | Control device for supercharged engine In a pair of preceding and following cylinders whose exhaust and intake strokes overlap each other, intake air supplied to the preceding cylinder (2A, 2D) is supercharged by a turbocharger (23) to produce combustion at a “lean” air-fuel rati... | 08/29/2006 |
| 7059281 | Four stroke engine auto-ignition combustion A method of operating a four-stroke gasoline direct-injection controlled auto-ignition combustion engine includes opening both the intake and exhaust valves during terminal portions of the expansion strokes and initial portions of the contraction strokes, injecting ... | 06/13/2006 |
| 7055493 | Method for fuel injection in a combustion engine, and combustion engine A method and a device for fuel injection in a supercharged four-stroke combustion engine of piston-and-cylinder type with compression ignition (1), whereby a controlled fuel quantity is supplied to the combustion chamber (2) for each work cycle, a firs... | 06/06/2006 |
| 7028648 | Multiple cylinder internal combustion engine A multicylinder internal combustion engine is provided with a plurality of cylinders sharing a single crankshaft. The combustion characteristics in the respective cylinders is improved by taking out part of combustion (expansion) gas produced in one of the cylinders... | 04/18/2006 |
| 6971343 | Spark-ignition engine controller Burned gas discharged from an exhaust stroke side preceding cylinder of a pair of cylinders having an overlapping exhaust stroke and intake stroke is introduced as is into an intake stroke side following cylinder through an intercylinder gas channel, and only the ga... | 12/06/2005 |
| 6947822 | Control of multiple electronically controlled components An apparatus for and method of controlling multiple electronically controlled components (101) utilizes a controller (103) that controls one of the components (101A). A control interface (211) replicates the control signal (201) ge... | 09/20/2005 |
| 6945236 | EGR control apparatus for engine According to the invention, an EGR control apparatus of an engine includes intake ports to which an intake passage is connected, the intake ports opening into each combustion chamber of the engine, an EGR port to which an EGR passage branching out from an exhaust pa... | 09/20/2005 |
| 6941905 | Control unit for spark ignition-type engine In a partial load range of the engine, control of the flowing state of sucked and discharged gas is executed between a pair of cylinders, an exhaust stroke of one of the cylinders overlapping with an intake stroke of the other, so that burnt gas discharged from prec... | 09/13/2005 |
| 6931839 | Apparatus and method for reduced cold start emissions An exhaust system for an internal combustion engine having a plurality of cylinders, comprising: a exhaust manifold for providing fluid communication of exhaust of the plurality of cylinders to a catalytic converter, the exhaust manifold comprising a first exhaust p... | 08/23/2005 |
| 6923149 | Control device for spark-ignition engine A control device for a multicylinder spark-ignition engine includes a flow path switching unit for switching intake and exhaust flow paths between a two-cylinder interconnect configuration and an independent cylinder configuration and an air-fuel ratio control unit.... | 08/02/2005 |
| 6918358 | Eight-stroke internal combustion engine utilizing a slave cylinder By the utilizing of a slave cylinder working in coordination with a master cylinder, the slave cylinder both receives cool atmospheric air and receives hot, partially un-burnt exhaust gases from the master cylinder to create a second power-stroke in the slave cylind... | 07/19/2005 |
| 6915869 | Power generation system and method A power generation system and method providing an engine configured to produce hydrogen rich reformate to feed a solid oxide fuel cell includes an engine having an intake and an exhaust; an air supply in fluid communication with the engine intake; a fuel supply in f... | 07/12/2005 |
| 6880500 | Internal combustion engine system Cylinders of an internal combustion engine are provided with an exhaust port that is opened when the piston approaches bottom dead center. Exhaust in the cylinder at the end of the power stroke flows to an EGR tank for containment and cooling. During the intake stro... | 04/19/2005 |
| 6880501 | Internal combustion engine An internal combustion engine that has a pair of cylinders each having a reciprocating piston connected to a crank shaft by a connecting rod. One of the cylinders is adapted for an air and fuel intake and a compression strokes only, and the other of the cylinders ad... | 04/19/2005 |
| 6877464 | Spark-ignition engine controller Intake air/exhaust gas flow control is performed in an partial load range of an engine such that burned gas which is discharged from an exhaust stroke side preceding cylinder of a pair of cylinders having an overlapping exhaust stroke and intake stroke is introduced... | 04/12/2005 |
| 6543398 | High efficiency compression ignition aftertreatment devices for combined use of lean-burn combustion systems and three-way catalysts A high efficiency compression ignition after-treatment system of a combustion engine includes a first combustion chamber adapted to reciprocatably receive a first piston assembly and a second combustion chamber adapted to reciprocatably receive a second p... | 04/08/2003 |
| 6543411 | Method for generating a homogeneous mixture for auto-ignition internal combustion engines and for controlling the combustion process A method for generating a homogeneous mixture for auto-ignition internal combustion engines and for controlling the combustion process, the internal combustion engine having an injection system and at least one cylinder/piston unit connected to an intake ... | 04/08/2003 |
| 6431128 | Controlled self-ignition combustion process and associated four-stroke engine with transfer lines between the exhaust line and the intake line The present invention relates to an engine and to a process for controlling the self-ignition combustion of a four-stroke engine comprising several cylinders (1) having each at least one intake means (2) comprising an intake line and at least one exhaust ... | 08/13/2002 |
| 6427644 | Controlled self-ignition combustion process and associated four-stroke engine with transfer line between cylinders and dedicated value The present invention relates to a controlled self-ignition combustion process in a four-stroke engine having plural cylinders (1) having each at least a first intake (2) and at least a first exhaust (3). The process according to the invention during part... | 08/06/2002 |
| 6425381 | Method for recycling exhaust gas of a multi-cylinder reciprocating internal combustion engine operated with a turbocharger A method of recycling exhaust gas of a multi-cylinder reciprocating internal combustion engine with an exhaust turbocharger operates without EGR flutter valves and also reduces the amount of designed complexity for the entire EGR design. Exhaust gas recyc... | 07/30/2002 |
| 6386154 | Pumped EGR system An exhaust gas recirculation system for an internal combustion engine includes an exhaust manifold and at least one exhaust flow control valve located between the engine and the exhaust manifold. The exhaust flow control valve diverts a portion of the exh... | 05/14/2002 |
