Class / Patent application number | Description | Number of patent applications / Date published |
123568170 | Having specific exhaust gas outlet structure at intake manifold | 55 |
20080295813 | 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 target position. An insertion portion opening diameter, which is an opening diameter of one side of the insertion portion, is larger than an insertion maximum occupying diameter that is a maximum distance between a point included in a cutting surface of the inlet on a reference plane perpendicular to an insertion portion axis and a point included in a vertical projection view of the leading end. A distance between the plane and a nearest point of the leading end to the plane in an axial direction is equal to an insertion portion opening depth, which is a length of the insertion portion in the axial direction. | 12-04-2008 |
20090165755 | 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 the outlet port, wherein the exhaust inlet port is configured to deliver exhaust to be mixed with air inside the mixing pipe. The exhaust gas recirculation (EGR) device further comprises a nozzle disposed internally within a region of the mixing pipe between the exhaust inlet ring and the outlet port such that the diffuser nozzle defines an outer mixing channel in the spacing between the diffuser nozzle and the mixing pipe region. | 07-02-2009 |
20090165756 | 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 inlet port and the outlet port. The exhaust feeder includes an exhaust feed splitter beam disposed within an open-ended exhaust inlet tube and the scroll mixing chamber, and can be configured to split an exhaust stream into a plurality of exhaust streams before entering the scroll mixing chamber. | 07-02-2009 |
20090165757 | 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 direction of the axis of the intake air conduit. The EGR stream enters the intake air conduit within a volute of decreasing area curled about the outside circumference of the intake air stream. The rate at which the volute encourages mixing of an EGR stream with an intake air stream is affected by the rate at which the volute's area decreases as the volute curls about the inside circumference of the intake air conduit, and by the angle of entry for the EGR stream as directed by the volute. | 07-02-2009 |
20090217915 | 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 chamber of the mixer that has an outer surface that is elongated in cross-section along a longitudinal axis of the chamber in the direction of flow of the flowable media. The mixing apparatus mixes the intake air and exhaust gases without high pressure head loss across the apparatus. | 09-03-2009 |
20090235905 | Device for swirling and mixing exhaust gases recycled in the intake duct of an internal combustion engine - Disclosed is a device for swirling and mixing exhaust gases recycled in the intake duct ( | 09-24-2009 |
20100031938 | 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-circulating a portion of the exhaust gas to a suction manifold, a driving unit on one side of the valve housing, and a valve unit mounted in a flow line of the valve housing for receiving driving force from the driving unit directly to control flows of the exhaust gas flowing through the flow line at the same time individually, thereby making stable control of the exhaust gas flowing through the EGR valve, preventing damage caused by the high temperature exhaust gas, and preventing the exhaust gas from leaking to an outside of the EGR valve. | 02-11-2010 |
20100065028 | 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 recirculated exhaust gas and the charge air is promoted by a flow director which is mounted at a downstream end of an EGR supply passage, as well as by a flow guide mounted upstream from the flow director, with the flow guide including an aerodynamic projection for causing charge air to move smoothly around the flow director and a swirl generator. | 03-18-2010 |
20100065029 | 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 and into the volute. An EGR injector introduces exhaust gas into charge air passing through the mixing volute, with the EGR injector being configured to impart swirl in a direction which is opposite to the swirl produced by the mixing volute. This causes the EGR gases and the charge air to become thoroughly mixed within a very short path length through the mixing volute. | 03-18-2010 |
20100122693 | APPARATUS AND METHOD FOR SEPARATING AIR COMPRESSOR SUPPLY PORT FROM THE EGR GAS - Separation of an air compression supply port from exhaust gas recirculation (EGR) in internal combustion engines. In one aspect, an air intake connector includes an entry port for an EGR gas, and an air intake elbow is connected to the air intake connector, the elbow receiving air. The elbow includes a first passage for routing a first portion of the air to the air intake connector to be mixed with the EGR gas, and a second passage for routing a second portion of the air to the air intake connector and out an exit port to an air compressor. The second passage is attached to the elbow and extends through a bend in the elbow. | 05-20-2010 |
20100154759 | EXHAUST GAS RECIRCULATING DEVICE FOR INTERNAL COMBUSTION ENGINES - In an exhaust gas recirculating device for an internal combustion engine, an EGR gas introduction port ( | 06-24-2010 |
20110041817 | EXHAUST GAS RECIRCULATION DEVICE FOR AN INTERNAL COMBUSTION ENGINE - The recirculation device comprises, inside an air intake duct ( | 02-24-2011 |
20110061634 | EXHAUST GAS RECIRCULATION MIXER DEVICE - A device for mixing exhaust gas in an engine air intake includes a mixing chamber disposed or formed in an air intake conduit, the mixing chamber having an inlet for receiving intake air and an outlet for exhausting the intake air, and having a port between the inlet and the outlet and a mixer tube extending into the port, an end portion of the mixer tube disposed in the mixing chamber shaped as a cylindrical-section having an elongated opening facing the mixing chamber outlet and a wall facing the mixing chamber inlet, a cross-sectional area of the end portion of the mixer tube being at least 40% of a cross sectional area of the mixing chamber at a point where the mixer tube extends into the mixing chamber and an end tip of the mixer tube being spaced from a wall of the mixing chamber opposite the aperture by a distance not more than 20% of a width of the mixing chamber. | 03-17-2011 |
20110088673 | MIXER FOR USE IN AN EXHAUST GAS RECIRCULATION SYSTEM AND METHOD FOR ASSEMBLY OF THE SAME - A mixing apparatus adapted for mixing the flow of intake air and exhaust gas in a mixing chamber of a combustion engine including a housing having a bore formed therethrough extending between a first open end and a second open end. The housing includes a plurality of apertures formed in a side wall thereof adjacent the first open end. A retention member is formed in the side wall adjacent the second open end and is adapted to secure the mixing apparatus within the mixing chamber. The mixing apparatus includes a flow deflector disposed in the bore of the housing. The flow deflector includes a plurality of curved deflector surfaces formed therein which correspond in number to and are aligned with the plurality of apertures. An end cap is secured to the housing at the first open end thereof for closing the bore at the first open end. | 04-21-2011 |
20110192383 | INTAKE AIR/EGR MIXING SYSTEM CONFIGURATION - The intake air/EGR mixing system configuration for a V type engine wherein air entering the system via an air intake tube is split into two isolated streams by a flow divider positioned upstream of two manifold intake duct inlets, one stream leading to a respective intake duct inlet of a bank of the manifold, and wherein a mixer ring having a plurality of ports in the circumference thereof is secured within each manifold intake duct inlet, the ports feeding exhaust gas to be recirculated into the intake air stream flowing through the ring, from a split section of the exhaust gas tube leading to a respective one of said intake duct inlets, the ports in the mixer ring forming outlets for the exhaust gas feeding into the respective manifold intake duct inlet. | 08-11-2011 |
20110232614 | SYSTEM FOR MEASURING EGR FLOW AND METHOD FOR REDUCING ACOUSTIC RESONANCE IN EGR SYSTEM - An intake body, systems, and method for reducing acoustic resonance in pressure tap passages include determining and/or setting the length of the drilling tap passages to a value such that the natural frequency of each pressure tap passage is outside of or does not substantially overlap with operational frequency content of an air stream in the intake body. The intake body, systems and method reduce the possibility of exciting the natural acoustic frequencies of the pressure tap passages, and can lead to improved signal-to-noise ratio when detecting EGR flow using a delta-P measurement system. | 09-29-2011 |
20120167863 | ENGINE SYSTEM AND METHOD WITH AIRFOIL FOR EGR INTRODUCTION - Methods and systems are provided for an engine. In one example, the engine system includes an intake conduit, and an airfoil suspended in the intake conduit via an exhaust gas recirculation passage, the exhaust gas recirculation passage fluidically coupled to an interior of the airfoil, the airfoil having a surface including a plurality of apertures fluidically coupling the interior of the airfoil with the intake conduit. | 07-05-2012 |
20120204845 | EGR Distributor Apparatus For Dedicated EGR Configuration - The present disclosure relates to methods, apparatuses and systems to manage exhaust gas expelled from an internal combustion engine. More particularly, the present disclosure provides an exhaust gas recirculation apparatus to distribute recirculated exhaust gas in an air stream to be introduced to an internal combustion engine, with the apparatus comprising an intake passage defined by a wall structure, the wall structure including a plurality of apertures therein configured to distribute recirculated exhaust gas into the intake passage. | 08-16-2012 |
20120247440 | EXHAUST GAS RECIRCULATION VALVE - An EGR valve includes an aluminum valve body, an outer metal ring, an inner resin ring, a butterfly valve, and a seal ring. The valve body includes a gas passage therein. The gas passage is part of an EGR passage, through which EGR gas is returned from an exhaust passage to intake passage of an engine. The outer ring has a cylindrical shape, and is fixed and disposed on an inner wall of the gas passage. The inner ring has a cylindrical shape, and is disposed on an inner peripheral wall of the outer ring. The butterfly valve opens or closes an inside of the inner ring, and includes a seal fitting groove at an outer peripheral edge of the butterfly valve. The seal ring is fitted into the groove, and seals a clearance between the butterfly valve and the inner ring when the butterfly valve is closed. | 10-04-2012 |
20120325186 | INTAKE APPARATUS FOR INTERNAL COMBUSTION ENGINE - An intake apparatus for an internal combustion engine includes a plurality of branch pipes connected at downstream ends thereof to an engine main body, an intake chamber to which upstream ends of the branch pipes are connected, and a common intake air introducing part connected to the center of the intake chamber in a cylinder arrangement direction. The intake chamber includes a projecting part projecting toward the engine main body relative to the common intake air introducing part. An EGR introducing passage is connected to the center of the projecting part in the cylinder arrangement direction. A downstream end of the EGR introducing passage is directed toward a wall of the projecting part on the common intake air introducing part side. | 12-27-2012 |
20130167814 | GAS DISTRIBUTION MANIFOLD IN THE CYLINDER HEAD OF AN ENGINE, SET COMPRISING A DISTRIBUTION MANIFOLD AND AN ENGINE CYLINDER HEAD - The invention relates to a gas distribution manifold ( | 07-04-2013 |
20130291842 | Gas Distribution Manifold And Corresponding Gas Intake Module - A manifold distributes gases into intake ducts of a motor vehicle combustion engine. The intake ducts are distributed in at least two distant groups, each duct of one group supplying one and the same cylinder of the engine as a duct of the other group. The manifold includes a manifold casing through which a flow of intake gases can flow, and an injection duct for injecting a flow of recirculated exhaust gases into the flow of intake gases. The casing is capable of directing the flow of intake gases and the flow of recirculated exhaust gases toward the intake ducts of the engine, and the injection duct is arranged inside the manifold casing so as to be able to be positioned between the two groups of intake ducts. | 11-07-2013 |
20130298884 | Device For Mixing A Stream Of Inlet Gases And Of Recirculated Exhaust Gases Comprising Insulating Means For The Recirculated Exhaust Gases - The invention relates to a device for mixing a stream of supercharging air and a stream of recirculated exhaust gases. The device comprises a manifold allowing the stream of air and the stream of recirculated gases to be mixed, and allowing the mixture to be distributed in the cylinder head. The device also comprises means for conveying the recirculated exhaust gases in the manifold that allow the distributed injection of the recirculated exhaust gases into the stream of supercharging air. The device additionally comprises means for thermally insulating the conveying means in order to limit the cooling of the recirculated exhaust gases by the supercharging air. | 11-14-2013 |
20140083399 | AIR INTAKE DEVICE FOR INTERNAL COMBUSTION ENGINE - Provided is an air intake device for an internal combustion engine, the air intake device being configured so that a reduction in the amount of intake air is minimized. An air intake device for an internal combustion engine has: an intake air path for supplying air from a surge tank to the combustion chamber of the internal combustion engine; and an exhaust gas path for supplying exhaust gas from an exhaust gas distribution header to the combustion chamber. The length of the exhaust gas path measured along the centerline of the exhaust gas path is set to be in the range from 75% to 125%, inclusive, of the length of the intake air path measured along the centerline of the intake air path. | 03-27-2014 |
20140238363 | EXHAUST GAS RECIRCULATION SYSTEM - An exhaust gas recirculation system includes an engine defining first and second combustion chambers, wherein a fuel is combustible to produce a combustion gas. The system includes an intake manifold disposed in fluid communication with the first and second chambers, an exhaust manifold disposed in fluid communication with the second chamber, and an exhaust gas recirculation conduit disposed in fluid communication with the first chamber and configured for directing the gas from only the first chamber to the intake manifold. The system includes a bypass valve transitionable between a first position wherein the conduit is disposed in fluid communication with the exhaust manifold such that the gas flows from the first chamber to the exhaust manifold, and a second position wherein the conduit is not disposed in fluid communication with the exhaust manifold such that the gas does not flow from the first chamber to the exhaust manifold. | 08-28-2014 |
20140246000 | EXHAUST GAS RECIRCULATION DEVICE FOR A MOTOR VEHICLE - An exhaust gas recirculation device for a motor vehicle is disclosed with includes an unburnt gas line for guiding an unburnt gas flow and at least one exhaust gas feed line for supplying exhaust gas into the unburnt gas line. At least two discharge openings offset relative to each other in the circumferential direction of the unburnt gas line are provided in the unburnt gas line, by way of which the exhaust gas can be or is supplied to the unburnt gas line. | 09-04-2014 |
20140290633 | System for Measuring EGR Flow and Method for Reducing Acoustic Resonance in EGR System - An intake body, systems. and method for reducing acoustic resonance in pressure tap passages include determining and/or setting the length of the drilling tap passages to a value such that the natural frequency of each pressure tap passage is outside of or does not substantially overlap with operational frequency content of an air stream in the intake body. The intake body, systems and method reduce the possibility of exciting the natural acoustic frequencies of the pressure tap passages, and can lead to improved signal-to-noise ratio when detecting EGR flow using a delta-P measurement system. | 10-02-2014 |
20150330422 | VORTEX FLOW APPARATUS - A vortex flow apparatus including a cylindrical housing that contains a fluid that flows in a swirling circular path. The apparatus may be utilized as a muffler for a combustion engine, a particle separator, or an energy conversion device that physically or chemically acts upon the fluid flow and particles contained within the apparatus. The housing defines an inlet opening that opens into the first end of the housing proximate a first end wall. An outlet tube defines an outlet opening through a first end wall. A projection is attached to a second end wall of the housing and extends into the housing. The outlet tube and projection are aligned with and centered relative to a central axis. | 11-19-2015 |
20160040607 | SYSTEMS AND METHODS FOR EGR CONTROL - Methods and systems are provided for varying a location and rate of EGR delivered to an engine from a dedicated EGR cylinder. The dedicated EGR cylinder is configured with a plurality of exhaust valves controlled via a cam profile switching mechanism that allows the time and duration of opening of each exhaust valve to be varied. By selectively opening one exhaust valve at a time, exhaust from the dedicated EGR cylinder can be delivered to a pre-compressor location, a post-compressor location, or to the exhaust manifold, while bypassing all engine cylinders. | 02-11-2016 |
20160090949 | INTAKE MANIFOLD OF MULTICYLINDER ENGINE - There is provided an intake manifold of a multicylinder engine capable of facilitating homogenization of concentration distribution of EGR gas in intake air and distribution of EGR gas into respective cylinders. The intake manifold is configured such that an EGR gas guide portion is provided in an intake air introducing sleeve portion, the EGR gas guide portion includes an upstream EGR gas release port and a downstream EGR gas release port, the upstream EGR gas release port is provided on a side of a passage outlet of an EGR gas introducing passage, the downstream EGR gas release port is provided on an opposite side of a central portion of the intake air introducing sleeve portion from the upstream EGR gas release port, and the EGR gas introduced from the passage outlet of the EGR gas introducing passage into the intake air introducing sleeve portion is released from both of the upstream EGR gas release port and the downstream EGR gas release port into intake air passing through the central portion of the intake air introducing sleeve portion. | 03-31-2016 |
20160153403 | EGR DEVICE HAVING BAFFLE AND EGR MIXER FOR EGR DEVICE | 06-02-2016 |
20160153404 | EGR DEVICE HAVING DIFFUSER AND EGR MIXER FOR EGR DEVICE | 06-02-2016 |
20160160804 | EGR DEVICE HAVING DIFFUSING DEVICE AND EGR MIXER FOR EGR DEVICE - A housing has an housing body. An inner pipe is accommodated in the housing body. The inner pipe defines an inner passage internally. The inner pipe defines an annular passage externally with the housing body. The inner pipe has through holes | 06-09-2016 |
20160201610 | EGR DEVICE HAVING DEFLECTOR AND EGR MIXER FOR EGR DEVICE | 07-14-2016 |
123568180 | Having a valve located at the outlet of the EGR passage | 21 |
20080230040 | Egr Valve Having Rest Position - During normal operation of diesel engines the EGR valve poppet often becomes stuck to the valve seat in the closed position, due to excessive build up of exhaust gas debris, which renders the valve inoperable. This usually occurs after the engine is shut down and the valve is seated. Features, which locate the valve poppet in an unseated position when not in use, are implemented into the EGR valve design to prevent this sticking from occurring, thereby increasing product robustness and prolonging product life. | 09-25-2008 |
20090173320 | 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 ( | 07-09-2009 |
20090205617 | EGR CONTROL SYSTEM - In an internal-combustion engine with exhaust-gas-recirculation system, electronic control means are provided designed to process an analytical model of the quantities “effective lambda” and “effective EGR percentage”, which is constructed on the basis of the physical laws that regulate the fluid-dynamic conditions in the intake pipe, in the exhaust pipe, and in the recirculation pipe of the engine. On the basis of the deviation between the values of said quantities estimated by the model and the reference values of said quantities associated to the conditions of operation of the engine, an operation of correction on the control of the valve that governs the recirculation circuit is implemented. | 08-20-2009 |
20090235906 | DEVICE FOR EXHAUST GAS RECIRCULATION AND PROCESS FOR MANUFACTURING IT - The invention involves a device for exhaust gas recirculation of a combustion engine, with an intake module and an exhaust gas recirculation tube projecting with its gas outlet end into the intake module. Openings are created in the peripheral wall of the gas outlet end of the exhaust gas recirculation tube so that the device is easier to manufacture, wherein peripheral wall parts stay in place as bars to which a baffle plate is coupled for the exhaust gas stream. | 09-24-2009 |
20100139632 | Exhaust Gas Recirculation System with Unified Cylinder Head and Exhaust Gas Recirculation Device - An exhaust gas recirculation system of an internal combustion engine where a cylinder head having an intake port and an exhaust port is coupled to a cylinder block, and a portion of an exhaust gas exhausted from the exhaust port is flowed into the intake port through a control valve, may include a recirculation gas gallery integrally formed at the cylinder head and communicated with the intake port, a control valve assembly including the control valve and communicated with the recirculation gas gallery, and at least a recirculation gas extracting unit that is communicated with the control valve assembly and the exhaust port. | 06-10-2010 |
20100263642 | INTAKE MODULE WITH INTEGRATED EXHAUST GAS RECIRCULATION - An integrated exhaust gas recirculation intake module comprises: an intake system including a fresh air channel; and a coupling device, wherein the coupling device is configured to receive an exhaust gas recirculation valve, wherein the coupling device is configured to connect an exhaust gas channel with a fresh gas channel, and wherein the exhaust gas channel is connected with the coupling device such that a heat transfer is hindered. | 10-21-2010 |
20110139134 | INTERNAL COMBUSTION ENGINE SYSTEM AND ASSOCIATED OPERATING METHOD - An internal combustion engine system includes a fresh air system, an exhaust gas system and an exhaust gas recirculation system. The exhaust gas recirculation system has an exhaust gas valve assembly for controlling a removal flow at a recirculation line removal point and a fresh air valve assembly for controlling an introduction flow at a fresh air line introduction point. The exhaust gas valve assembly is permanently displaceable between a first position and a second position for generating the removal flow. The fresh air valve assembly is permanently displaceable between a first position and a second position for generating the introduction flow. The valve assemblies are synchronized such that the positive pressure pulses entering at the removal point into the recirculation line meet the negative pressure pulses at the introduction point. | 06-16-2011 |
20110174279 | INTAKE MANIFOLD - An intake manifold which is made of resin and configured to be connected to an intake port of a cylinder of an internal combustion engine, includes: an EGR inlet for discharging exhaust recirculation gas toward a cylinder side; and a tumble control valve which is switchable between an open position in which an intake line to the cylinder is opened and a close position in which the intake line is closed, and has an indentation that forms a gap between the tumble control valve and an inner wall of the intake line when the tumble control valve is in the close position. The intake manifold is configured so that, when the intake manifold is assembled to the internal combustion engine, in the open position and in the close position of the tumble control valve, any perpendicular line extending downward from the EGR inlet is out of intersection with the tumble control valve, and at the same time, in at least one of the open position and the close position of the tumble control valve, a perpendicular line extending downward from a most upstream portion of the EGR inlet in an intake direction intersects an area of the indentation. | 07-21-2011 |
20110203558 | METHOD AND DEVICE FOR OPERATING AN INTERNAL COMBUSTION ENGINE, IN PARTICULAR AN INTERNAL COMBUSTION ENGINE OF A MOTOR VEHICLE - An internal combustion engine of a motor vehicle has a multi-channel fresh gas system with a plurality of fresh gas lines leading to different cylinder groups. At least one shut-off element is connected in each of the fresh gas lines and coupled to a control and/or regulating device. A multi-channel exhaust system for the discharge of exhaust gas out of the cylinders has a plurality of exhaust lines leading away from the different cylinder groups. A multi-channel exhaust-gas recirculation system has exhaust-gas recirculation lines, for recirculating exhaust gas from the exhaust system to the fresh gas system. The method and device utilize crossed-channel exhaust-gas recirculation, in which the exhaust-gas recirculation lines branching off from the exhaust lines of a certain channel lead back in each case to fresh gas lines of a different channel. The shut-off elements of the individual fresh gas lines are actuated such that a fresh gas line which is shut off from the fresh gas supply by a shut-off element is supplied with exhaust gas from an exhaust line of a different channel, whose associated fresh gas line is not shut off from the fresh gas supply, via an exhaust-gas recirculation line. | 08-25-2011 |
20130340731 | VALVE DEVICE - A valve device has a valve that opens and closes a passage, and a cantilever bearing member rotatably supporting a rotating shaft of the valve. The cantilever bearing member has rolling-element bearings arranged in series in an axial direction of the rotating shaft. One of the rolling-element bearings located the closest to the passage has a rolling element, an inner race, an outer race and a seal portion. A space is defined between the inner race and the outer race to receive the rolling element. The seal portion made of rubber tightly seals the space on a side adjacent to the passage. | 12-26-2013 |
20140102429 | INLET MANIFOLD WITH DUAL PORT EGR - An inlet manifold comprises a plenum, a pair of intermediate runners, and two pair of terminal runners. A common EGR passage is in fluid communication with a pair of EGR injectors, each being in fluid communication with a respective intermediate runner. Each intermediate runner receives a split stream of EGR from its respective EGR injector and combines the split stream of EGR with a split stream of inlet air from the plenum to form an EGR-loaded stream. Each intermediate runner is in fluid communication a pair of terminal runners for distributing its EGR-loaded stream among the terminal runners. | 04-17-2014 |
20140144415 | EGR DEVICE FOR INTERNAL COMBUSTION ENGINE - An EGR device for an internal combustion engine comprises: an EGR path through which a part of exhaust gas is recirculated from the exhaust gas conduit of an internal combustion engine as EGR gas to the intake path; and an EGR valve that is disposed within the EGR path and adjusts the flow rate of the EGR gas flowing through the EGR path. An curved structure EGR path from a position at which the EGR valve is disposed until a joining section ( | 05-29-2014 |
20140165976 | EXHAUST GAS RECIRCULATION CONTROL METHOD AND SYSTEM - A system and method for controlling an exhaust gas recirculation valve during transient cycles of engine operation to improve fuel consumption efficiency. The system and method includes first determining a flow rate of total mass out of the intake manifold of the combustion engine and the current mass fraction of exhaust gas in the intake manifold of the combustion engine, calculating a mass flow rate for exhaust gas into the intake manifold that is based on the flow rate of total mass out of the intake manifold and the current mass fraction of exhaust gas in the intake manifold, and actuating a control valve to a position based on the calculated mass flow rate for exhaust gas into the intake manifold. | 06-19-2014 |
20140174413 | RATE-BASED MODEL PREDICTIVE CONTROL METHOD FOR INTERNAL COMBUSTION ENGINE AIR PATH CONTROL - A rate based model predictive controller for air path control for a diesel engine regulates turbine lift and EGR valve flow rate to specified set points by coordinated control of intake manifold air pressure and EGR valve flow rate. The controller utilizes a rate-based reduced order linear model for model predictive control. | 06-26-2014 |
20150059717 | Mixer valve of an internal combustion engine of a motor vehicle - A mixer valve of an internal combustion engine of a motor vehicle has a drive device with a respective drive pinion and a control disc for driving two flaps. A single servomotor for driving the drive pinion is arranged in a corner region of an exhaust gas duct and of an intake duct. | 03-05-2015 |
20160047341 | SYSTEMS AND METHODS FOR A MODIFIED CYLINDER FIRING INTERVAL IN A DEDICATED EGR ENGINE - Methods and systems are provided for operating exhaust valves of an engine to create more even exhaust pulses to a turbine. More specifically, the engine may include one or more dedicated exhaust gas recirculation (EGR) cylinders routing exhaust to an engine intake and one or more non-dedicated EGR cylinder routing exhaust to the turbine. In one example, a method may include operating a first set of exhaust valves of a group of non-dedicated EGR cylinders to have no exhaust valve opening overlap and operating an exhaust valve of a dedicated EGR cylinder so that opening of the second exhaust valve overlaps with opening of exhaust valves of two cylinders of the group of non-dedicated EGR cylinders. | 02-18-2016 |
20160090950 | INTAKE AIR CONTROL APPARATUS OF ENGINE - An intake air control apparatus of an engine includes a housing having an intake air inflow passage for receiving external air, an exhaust gas inflow passage for receiving recirculated exhaust gas, and an intake air supply passage for supplying the external air from the intake air inflow passage or the exhaust gas from the exhaust gas inflow passage to the engine. A motor gear rotates together with an output shaft of the motor. A connection gear is engaged and rotates together with the motor gear. A recirculation gear is engaged and rotates together with the connection gear. A recirculation valve opens and closes the exhaust gas inflow passage since the recirculation valve rotates together with the recirculation gear. An intake air gear is engaged and rotates together with the connection gear. An intake air throttle valve opens and closes the intake air inflow passage. | 03-31-2016 |
20160097351 | SWIRL TYPE LP - EGR THROTTLE MECHANISM - A mechanism may include a housing with an inlet passage and an outlet passage joined to the inlet passage by a valve chamber. The valve chamber may contain a plurality of vanes. The vanes may be arranged to: substantially close flow between the inlet passage and the outlet passage; induce swirl between the inlet passage and the outlet passage in both a first direction and a second direction; and be positioned parallel to flow between the inlet passage and the outlet passage. Closing off flow from the inlet passage may enhance flow from an exhaust gas port to the outlet passage. | 04-07-2016 |
20160160805 | EGR DEVICE HAVING ROTARY VALVE - An EGR device includes a housing having an outer pipe and an inner pipe. The inner pipe is accommodated in the outer pipe to define an annular passage externally with the outer pipe. The inner pipe defines an inner passage internally. The inner pipe has pipe through holes. A rotary valve is accommodated in the inner pipe. The rotary valve has valve through holes. The rotary valve is rotatable to communicate the annular passage with the inner passage through the valve through holes and the pipe through holes. The rotary valve is rotatable to block the inner passage from the annular passage. | 06-09-2016 |
20160195043 | Mixer valve of an internal combustion engine | 07-07-2016 |
20160201616 | EXHAUST GAS RECIRCULATION SYSTEM FOR MACHINE | 07-14-2016 |