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| Number | Title | Issue Date |
| 8161950 | Exhaust gas recirculating device for internal combustion engines In an exhaust gas recirculating device for an internal combustion engine, an EGR gas introduction port (32) for feeding EGR gas to an intake passage (20) includes an inlet end and an outlet end, and has a cross sectional area progressively increasing f... | 04/24/2012 |
| 8100118 | Exhaust gas valve The invention relates to an exhaust gas line for exhaust gas from at least one cylinder of an internal combustion engine, having at least one collecting housing (1) with a connection to an exhaust gas recirculation system (2). The collecting housing ( | 01/24/2012 |
| 8056546 | Multi-function throttle valve An engine system comprises an air cleaner, a combustion chamber coupled to an intake port, and an intake manifold. The intake manifold is configured to receive air from the air cleaner, and, under some conditions to receive exhaust from the combustion chamber. The e... | 11/15/2011 |
| 8051843 | Structure for introducing gas into intake air Exhaust gas inlets for introducing exhaust gas from an EGR pipe, on the right bank side, and exhaust gas inlets for introducing exhaust gas from the EGR pipe, on the left bank side, are both formed in low-pressure regions. The exhaust gas inlets are formed at positi... | 11/08/2011 |
| 8011352 | Gas introducing structure of intake path A gas introducing structure of an intake path includes a gas introducing path introducing a gas into an intake airflow in the intake path of an internal combustion engine, wherein an inner peripheral surface of the gas introducing path is made of a bottom surface ap... | 09/06/2011 |
| 7975677 | Gas introducing structure of intake path A gas introducing structure of an intake path includes a gas introducing path introducing a gas into an intake airflow in the intake path of an internal combustion engine, wherein an inner peripheral surface of the gas introducing path is made of a bottom surface ap... | 07/12/2011 |
| 7971579 | Air-exhaust mixing apparatus An apparatus for mixing intake air and exhaust gases of an internal combustion engine includes a chamber having an inlet to supply a stream of intake air, and a second inlet that receives an exhaust gas flow. The second inlet includes a section extending into the ch... | 07/05/2011 |
| 7971578 | Exhaust gas recirculation valve for vehicle The present invention relates to an exhaust gas recirculation (EGR) valve for a vehicle. The EGR valve includes a valve housing connected to an exhaust line for discharging exhaust gas therethrough, having a flow line with an inside area divided for taking and re-ci... | 07/05/2011 |
| 7958874 | Exhaust gas recirculation apparatus An exhaust gas recirculation apparatus includes a housing connected with an EGR cooler via a mount face. The housing has a valve chamber accommodating a selector valve. The housing has a partition extending from the mount face close to the valve chamber to divide fi... | 06/14/2011 |
| 7926472 | Inlet system An inlet system includes an intake manifold and an EGR inlet projecting into and received in the manifold through an insertion portion of the manifold. A leading end of the inlet is inserted into the manifold through the insertion portion, projecting to reach a targ... | 04/19/2011 |
| 7926473 | Air supply system for an internal combustion engine An air supply system for a reciprocating internal combustion engine includes an air inlet and a mixing volute for receiving charge air from the air inlet. The mixing volute is configured to impart swirl in a first direction to charge air passing from the air inlet a... | 04/19/2011 |
| 7921830 | Temperature controlled venturi for use with an EGR system in an internal combustion engine An EGR venturi for use in an EGR system of an IC engine includes a body defining a converging inlet section, a throat, and an interior liquid heat exchange chamber adjacent to the throat. ... | 04/12/2011 |
| 7918217 | Exhaust gas check valve Exhaust gas check valve with a movable valve element held by a plurality of return springs, an exhaust gas through-opening closable by the valve element, and a stop element delimiting the stroke of the valve element; in order to improve the service life of the check... | 04/05/2011 |
| 7891345 | EGR system having multiple discharge locations An exhaust gas recirculation system for a use with an engine having a plurality of cylinders is disclosed. The exhaust gas recirculation system may have an intake passage configured to direct combustion air to all of the plurality of cylinders, and an exhaust passag... | 02/22/2011 |
| 7845340 | Air-exhaust mixing apparatus One embodiment is an apparatus including an air-exhaust mixing passageway, a first lip extending into the passageway, a second lip extending into the passageway, a valley intermediate the first lip and the second lip, and an exhaust inlet aperture in flow communicat... | 12/07/2010 |
| 7784450 | Exhaust-gas recirculation device for an internal combustion engine An exhaust-gas recirculation device includes a distributor element (14) driven corresponding to the rotational speed of the camshaft (11) of an internal combustion engine (1), wherein, via the distributor element (14), a fluidic connectio... | 08/31/2010 |
| 7770564 | Diffuser plate for improved mixing of EGR gas An apparatus configured for the mixing of two fluids traveling in substantially perpendicular directions. The apparatus includes a cylindrical member including a longitudinal conduit. The member also includes at least one diffusing plate. The diffusing plate include... | 08/10/2010 |
| 7743756 | Air inlet system for an internal combustion engine An air inlet system for an internal combustion engine includes an inlet duct for furnishing air to the engine's cylinders, and a combination port formed within the inlet duct for inducting both recirculated exhaust gas and charge air into the engine. Mixing of the r... | 06/29/2010 |
| 7730878 | Exhaust gas recirculation devices Embodiments of an exhaust gas recirculation (EGR) mixing device include an air inlet port and an outlet port disposed at opposite ends of the mixing pipe, an exhaust feeder having a scroll mixing chamber and occupying a portion of the mixing pipe between the air inl... | 06/08/2010 |
| 7624722 | Apparatus and system for efficiently recirculating an exhaust gas in a combustion engine An apparatus and system are disclosed for efficiently recirculating an exhaust gas in a combustion engine. The apparatus includes an intake air conduit that accepts and promotes mixing of an intake air stream and an EGR stream. The intake air stream moves in the dir... | 12/01/2009 |
| 7603993 | Intake module An intake module includes a surge tank, inflow ports formed from resin integrally with the tank and aligned in one direction of the tank, an intake air leading portion formed at one end portion of the tank in a certain direction and leading intake air into the tank,... | 10/20/2009 |
| 7552722 | Exhaust gas recirculator devices Embodiments of an exhaust gas recirculation (EGR) device comprise a mixing pipe having an air inlet port and an outlet port disposed at opposite ends of the mixing pipe, and an exhaust inlet port disposed at a region of the mixing pipe between the air inlet port and... | 06/30/2009 |
| 7543576 | Exhaust-gas recirculation system An exhaust-gas introducing passage is branched, on an outlet side of a valve, into parts, correspondingly to the number of an exhaust port of an internal combustion engine and the branching section is located at a position directly opposed to a movable valving eleme... | 06/09/2009 |
| 7428897 | Controllable two way valve device The invention relates to a controllable two-way valve (1), in which a valve rod (3) is connected in a permanent manner to at least two valve members (4, 5, 6, 24, 25; 39, 40), the valve rod (3) being actuated by means of an actuator (2... | 09/30/2008 |
| 7426923 | Exhaust gas recirculation system for gasoline engines A gasoline engine system includes a gasoline engine, a throttle valve for metering a supply of combustion gas fed to the engine, and a source of metered fuel injected into the combustion gas mixture. The throttle valve includes an inlet air supply line, a recirculat... | 09/23/2008 |
| 7389770 | Apparatus for supply of recirculated exhaust gas Apparatus and a process for supplying recirculated exhaust gases to incoming air to a piston-type internal combustion engine. The apparatus includes a duct (2) for incoming air and a feed pipe (1) for exhaust gases and is especially well characterized ... | 06/24/2008 |
| 7356987 | Exhaust gas recirculation system having an electrostatic precipitator An exhaust gas recirculation system for a power source, has at least one inlet port configured to receive at least a portion of a flow of exhaust produced by the power source. The exhaust gas recirculation system also has an electrode disposed upstream of the at lea... | 04/15/2008 |
| 7357110 | Resin intake manifold A raised portion is formed at a predetermined location on an inside surface of a wall portion of an intake manifold. A gas introduction hole for introducing gas containing water vapor is formed in another predetermined location, other than in the raised portion, in ... | 04/15/2008 |
| 7353811 | Exhaust gas recirculation device An exhaust gas recirculation device for an internal combustion engine, in particular in a motor vehicle, includes a recirculation line and a fresh gas line section. A Venturi nozzle is designed in an inlet area of the fresh gas line section. The recirculation line o... | 04/08/2008 |
| 7353812 | Vehicle engine with integral vacuum generator An integral vacuum generator system for an internal combustion engine includes a throttle body and intake manifold defining a bypass passage which is connected with a vacuum manifold by both a venturi and a direct vacuum supply passage. Vacuum flow through the ventu... | 04/08/2008 |
| 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 |
| 7316109 | Lobed exhaust diffuser apparatus, system, and method A lobed exhaust diffuser apparatus, system, and method configured to cool exhaust gases from an internal combustion engine comprises a diffuser having a proximal end, configured to receive exhaust gases from the engine, and a distal end, configured to expel the exha... | 01/08/2008 |
| 7314042 | Exhaust gas recirculation system for a V-type internal combustion engine, and engine including same An EGR control valve is disposed on a V-type internal combustion engine such that the engine is compact as a whole. In the internal combustion engine, cylinders are provided with the cylinders spaced apart from each other in a V-shape, and exhaust gas obtained from ... | 01/01/2008 |
| 7299787 | Internal combustion engine intake device An internal combustion engine intake device is configured to improve the uniformity with which purge gas or other introduced gas is distributed to the cylinders of an engine. The intake device basically has a throttle chamber, an intake air collector, an air inducti... | 11/27/2007 |
| 7296563 | Internal combustion engine intake device An internal combustion engine intake device is configured to suppress the occurrence of freezing in a portion thereof where blow-by gas or another gas is introduced into an intake passage. The intake device basically has a throttle chamber, an intake air collector, ... | 11/20/2007 |
| 7287378 | Divided exhaust manifold system and method A flow including air and exhaust gas is received at a boost pressure at a plurality of cylinders (103). Exhaust gas is expelled from a first subset of the plurality of cylinders (103) into a first divided exhaust manifold (103). Exhaust gas is e... | 10/30/2007 |
| 7281530 | Supercharging system for internal combustion engine A supercharging system for an internal combustion engine includes an exhaust introduction passage for introducing exhaust gas from an internal combustion engine; an exhaust discharge passage for introducing the exhaust gas from the exhaust introduction passage and e... | 10/16/2007 |
| 7281531 | System and method of stoichiometric combustion for hydrogen fueled internal combustion engines A hydrogen-fueled internal combustion engine utilizes either internal or external exhaust gas recirculation (EGR), while providing an overall stoichiometric fuel/air ratio. An EGR system provides recirculated exhaust gas to the engine, and an engine controller regul... | 10/16/2007 |
| 7278412 | Combustion-gas recirculation system A combustion-gas recirculation system has a mixing chamber with a mixing-chamber inlet and a mixing-chamber outlet. The combustion-gas recirculation system may further include a duct connected to the mixing-chamber inlet. Additionally, the combustion-gas recirculati... | 10/09/2007 |
| 7275526 | Multi-cylinder engine The present invention provides a multi-cylinder engine capable of inhibiting an EGR cooler from being damaged and at the same time making the EGR cooler compact. On the assumption that a direction where a crank shaft spans is taken as a front and rear direction and ... | 10/02/2007 |
