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| Number | Title | Issue Date |
| 8181633 | Intake manifold An intake manifold includes: an EGR inlet for discharging exhaust recirculation gas toward a cylinder side; and a tumble control valve switchable between an open position and a close position, and has an indentation forming a gap between the tumble control valve and... | 05/22/2012 |
| 8104457 | Diesel engine system with exhaust gas recirculation A diesel engine system includes a diesel engine, a throttle valve, an EGR (Exhaust Gas Recirculation) path, an EGR valve and a controller. The throttle valve controls a flow rate of intake air to the diesel engine. Exhaust gas is recirculated along the EGR path from... | 01/31/2012 |
| 8020539 | Device for distributing incoming gases in an internal combustion air supply system The invention relates to a device for distributing the incoming gases in an internal combustion air supply system. This system comprises a fresh air intake pipe (1) and an exhaust gas recirculation intake pipe (2) and the internal combustion engine com... | 09/20/2011 |
| 7798135 | Exhaust gas recirculation device The invention relates to an exhaust gas recirculation device (1) for an internal combustion engine, in particular in a motor vehicle, having an exhaust gas recirculation line (2) for introducing exhaust gas into a primary intake line (4), with a... | 09/21/2010 |
| 7762242 | Exhaust gas recirculation valve A system and method for controlling a multiple cylinder internal combustion engine include a mechanically operated exhaust gas recirculation valve having a spring-biased pintle with a surface area sized to generate a spring-opposing force to open a valve chamber ent... | 07/27/2010 |
| 7434570 | Snap-action valve for exhaust system A passive, exhaust pressure actuated valve assembly for placement inside a tubular exhaust conduit is pivotally mounted to an off-center axle for rotation between fully closed and fully opened positions. A bias element forces the valve flap toward the fully closed p... | 10/14/2008 |
| 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 |
| 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 |
| 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 |
| 7328577 | Multivariable control for an engine A multivariable controller that models the interaction between groups of sensors and groups of actuators during the operation of an engine. By accounting for the interactive effects that a group of actuators has on a sensor or group of sensors, improved system perfo... | 02/12/2008 |
| 7316218 | Control system for hydrogen addition internal combustion engine Disclosed is a control system for a hydrogen addition internal combustion engine that uses hydrocarbon fuel and hydrogen gas as combustion fuel. The control system includes fuel property judgment means for judging the property of hydrocarbon fuel; and addition ratio... | 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 |
| 7287551 | Gas control valve The present invention provides gas control valve including a valve body having a gas inlet, a gas outlet, and a gas passage between the inlet and outlet, and including a valve control element for controlling the flow of gas between the inlet and the outlet. The valv... | 10/30/2007 |
| 7287523 | Thermally responsive regulator valve assembly A thermally responsive regulator valve assembly and exhaust gas recirculation system for an internal combustion engine having an intake manifold and an exhaust system is provided. The exhaust gas recirculation system includes an exhaust gas recirculation passage sel... | 10/30/2007 |
| 7267114 | Wildland fire vehicle escape system A wildland fire truck engine emergency combustion oxygen supply apparatus for the prevention of stalling of the engine in an oxygen depleted environment. The apparatus has a storage tank mounted on the vehicle for the storage of oxygen, nitrous oxide, or air, a feed... | 09/11/2007 |
| 7263983 | Exhaust gas recirculation device An electric motor is placed on an upstream side of an exhaust gas recirculation passage of a housing in a direction that is parallel to an intake air flow direction. A first heat release part on a motor housing part of the housing is placed on an upstream side of an... | 09/04/2007 |
| 7261096 | Movable sleeve exhaust gas recirculation system A system for controlling the mixture of an air flow and an exhaust gas flow in an engine is disclosed generally comprising an air conduit for the inlet air, which has an exhaust gas inlet passing through the wall thereof for introducing recirculating exhaust gas int... | 08/28/2007 |
| 7263425 | Method and device for operating an internal combustion engine In a method and device for operating an internal combustion engine having an adjustable component through which a gas flows and by whose setting the gas flowing through the component is influenced, at least one first value representative of a flow-through area of th... | 08/28/2007 |
| 7255197 | Muffler A muffler which reduces noises of a wide frequency band with a simple structure. Sound waves of an intake duct enter into and are received in a resonance box via a branch pipe. At the branch pipe, a movable body slidingly abuts a peripheral portion of an opening of ... | 08/14/2007 |
| 7252077 | Sequential control valve A system for controlling the mixture of an air flow and an exhaust gas flow utilizing two valves, the first valve at least partially positioned in an air intake conduit and regulating the flow of fluid through the air conduit, and the second valve positioned in an e... | 08/07/2007 |
| 7237523 | Internal combustion engine with at least two cylinder banks An intake air crossover arrangement for an internal combustion engine having two cylinder banks in a V-shaped arrangement in which air compressed by at least one, and preferably two, turbochargers, is delivered via air ducts to respective intake manifolds for each c... | 07/03/2007 |
| 7210468 | Heat exchanger method and apparatus A method for an internal combustion engine includes the steps of collecting exhaust gas in a volume (502) and flowing exhaust gas out of the volume in a first and a second portions (504). The first portion forms a tailpipe gas stream (506), and ... | 05/01/2007 |
| 7204240 | Integrated valve An exhaust gas recirculation (EGR) arrangement having an intake manifold with a valve base assembly integrated with the engine's intake manifold. The valve base assembly has a valve seat positioned in the path of fluid flow through the valve base. A valve member is ... | 04/17/2007 |
| 7165540 | Dual and hybrid EGR systems for use with turbocharged engine EGR systems for an internal combustion engine configured to operate using multiple-staged turbochargers, or a pair of single stage turbochargers, to provide exhaust gas recirculation to meet emissions requirements while not affecting engine performance. One or two E... | 01/23/2007 |
| 7152408 | Vehicle with a combustion engine and a fuel cell device A vehicle having a combustion engine, a fuel cell device having a fuel cell unit, a compressed air storage for supply of a compressed air, a supply conduit provided between the fuel cell unit of the fuel cell device and the compressed air storage, for supplying the ... | 12/26/2006 |
| 7124750 | Relative position sensing for an exhaust gas recirculation valve An exhaust gas recirculating valve includes a body, a closure member, a magnet, and a magneto-resistive sensor. The body defines a passage through which exhaust gas flows. The body includes a seat and the passage includes an aperture defined by the seat. The closure... | 10/24/2006 |
| 7121268 | Electronic EGR gas control system A curved passage constituting part of an exhaust gas recirculation passage is installed inside a suction passage in the downstream of an electronic control throttle valve, of which initial position is the fully opened position, and an exhaust gas recirculation flow ... | 10/17/2006 |
| 7111617 | Diverter for exhaust gas recirculation cooler A diverter, apparatus and method of bypassing an exhaust gas recirculation cooler in order to selectively cool recirculated exhaust gas is disclosed. The diverter relies on the Coanda effect to direct the exhaust gas flow to the cooler or to a bypass around the cool... | 09/26/2006 |
| 7107970 | Fuel vapor purge control assembly and methods of assembling and controlling same A fuel vapor purge control assembly includes an intake passage, a vapor purge passage in fluid communication with the intake passage, a port between and in fluid communication with the intake passage and the vapor purge passage; a closing member movably mounted in t... | 09/19/2006 |
| 7082764 | Burnt gas-scavenging indirect-injection internal-combustion supercharged engine and supercharged air supply method for such an engine The present invention relates to a supercharged internal-combustion, notably indirect-injection engine comprising at least one cylinder (10) with two types of supercharged air intake means (12, 14), one type for non-carbureted supercharged air intake (... | 08/01/2006 |
| 7069919 | Method and apparatus for controlling the ratio of ambient air to recirculated gases in an internal combustion engine A method and apparatus for controlling the ratio of ambient air to recirculated gases in an internal combustion engine, wherein an gas injector includes a intake air conduit defining a ambient air flow path, an actuator connected to the intake air conduit, a recircu... | 07/04/2006 |
| 7059310 | Exhaust gas recirculation In an internal combustion engine comprising a cylinder-head with at least one combustion chamber in the cylinder head and the cylinder head has at least one intake passage and one exhaust passage, and an external exhaust gas recirculation line which branches off fro... | 06/13/2006 |
| 7051992 | Tubeless actuator with reduced secondary air gap A tubeless actuator includes a frame in which a primary plate and a secondary plate are disposed. A bobbin is disposed within the frame between the primary plate and the secondary plate. The bobbin is keyed to the secondary plate in order to maintain the alignment b... | 05/30/2006 |
| 7040305 | Method and device for exhaust recycling and supercharged diesel engine A method and a device for exhaust gas recycling (EGR) in a combustion engine (1), wherein EGR gases are led into a section of the intake channel where a venturi (9) is arranged for modifying the flow of the intake air, and where a reduced pressure prev... | 05/09/2006 |
| 7036486 | Electronically controlled throttle apparatus That is an electronically controlled throttle device comprising a throttle valve held rotatably in a throttle body; an actuator for driving the throttle valve; a return spring which gives a force to return the throttle valve in the full open direction; a throttle po... | 05/02/2006 |
| 7032578 | Venturi mixing system for exhaust gas recirculation (EGR) A venturi mixing system mixes intake air with exhaust gases for exhaust gas recirculation (EGR) in an internal combustion engine. The venturi mixing system has a venturi disposed in a mixing conduit. The venturi is connected to an intake air conduit and a supply con... | 04/25/2006 |
| 7011082 | Exhaust gas feeding device for an internal combustion machine Exhaust gas feeding device for a internal combustion machine for introducing exhaust gas into a suction channel section of an intake manifold through at least one opening, having an exhaust gas feed section, an exhaust gas feedback valve and an exhaust gas introduct... | 03/14/2006 |
| 7011081 | Double-pintle emission control valve having a one-piece double-seat element A cylindrical-walled seat element (50) in a double-pintle (42) EEGR valve (20) is a machined metal part in which two substantially identical apertures (62, 64) collectively span essentially a semi-circumference of the seat element wall ( | 03/14/2006 |
| 6983740 | Internal combustion engine for a motor vehicle In an internal combustion engine for a motor vehicle having a support for supporting the internal combustion engine and a system for routing fresh gas and exhaust gas to and from the engine, a mixing valve of an exhaust gas recirculation system is integrated in the ... | 01/10/2006 |
| 6978754 | Manifold sensor retention system A system for retaining a sensor on an injection molded intake manifold that uses a twist-lock connection within the receiving port. The sensor body has outwardly projecting lugs that pass between inwardly projecting lugs in the receiving port. The face of the manifo... | 12/27/2005 |
