Having Condition Responsive Valve Controlling Engine Exhaust Flow Patents (Class 60/602)
  • Patent number: 8857178
    Abstract: A turbocharger for an internal combustion engine includes a center housing, a shaft rotatably supported in the center housing, and a turbine wheel connected at one end of the shaft. A turbine housing is connected to the center housing and disposed around the turbine wheel. A bore formed in the turbine housing extends from a gas outlet end of the turbine housing to an annular stop surface of the turbine housing disposed adjacent the turbine wheel. A nozzle ring disposed in the bore surrounds a portion of the turbine wheel. An outlet cone is disposed at least partially in the bore and surrounds a remaining portion of the turbine wheel. The outlet cone is connected to the gas outlet end of the turbine housing.
    Type: Grant
    Filed: June 28, 2011
    Date of Patent: October 14, 2014
    Assignee: Caterpillar Inc.
    Inventor: Steve O'Hara
  • Patent number: 8857177
    Abstract: A piston engine, having at least one cylinder that includes at least a first and a second discharge valve and a double overhead camshaft for controlling the first and a second discharge valves. The double overhead camshaft includes both an inner shaft, which has at least one first cam for controlling the first discharge valve, and an outer shaft that is coaxial to the first inner shaft and has at least one second cam for controlling the second discharge valve. The inner shaft and the outer shaft are rotationally adjustable relative to one another changing the discharge time frame of the discharge valves.
    Type: Grant
    Filed: September 3, 2008
    Date of Patent: October 14, 2014
    Assignee: Mahle International GmbH
    Inventors: Alfred Elsässer, Hermann Hoffmann, Sascha Senjic, Peter Wieske
  • Publication number: 20140298801
    Abstract: An EGR apparatus includes an EGR passage to allow part of exhaust gas discharged from a combustion chamber to flow as EGR gas into an intake passage and recirculate back to the combustion chamber, and an EGR valve to regulate the EGR gas in the EGR passage. A control unit is arranged to calculate a target opening degree of the EGR valve according to an operating condition after start-up of an engine and a warm-up state of the engine comes to an operation start state of the EGR valve, and correct the calculated target opening degree according to the warm-up state to control the EGR valve based on the corrected target opening degree during a period from when the EGR valve comes to the operation start state to when warm-up of the EGR valve is completed.
    Type: Application
    Filed: March 31, 2014
    Publication date: October 9, 2014
    Inventors: Minoru AKITA, Mamoru YOSHIOKA
  • Publication number: 20140298802
    Abstract: In internal combustion engines that return exhaust gas branching from downstream section of a turbine to an upstream section of a compressor during exhaust gas return in a supercharged state, the present invention closes an air bypass valve that bypasses the compressor while the vehicle is decelerating, and also opens a wastegate valve that bypasses or diverts gases away from the turbine in order to resolve a phenomenon in which the amount of exhaust gas temporarily increases and the exhaust gas cannot be supplied at a stable target value while the vehicle is decelerating due to the length of the path from the convergence section where the new air meets the EGR, to the cylinder, and due to the opening of the air bypass valve of the air bypass path joining the top and bottom of the compressor during deceleration.
    Type: Application
    Filed: October 31, 2012
    Publication date: October 9, 2014
    Applicant: Hitachi Automotive Systems, Ltd.
    Inventors: Kunihiko Suzuki, Seiji Asano
  • Publication number: 20140298800
    Abstract: Embodiments may provide an exhaust gas management arrangement for an engine. The exhaust gas management arrangement may include a port disposed to capture an exhaust gas leaked from a movable portion of an exhaust gas flow directing mechanism. The arrangement may also include a passage to direct the leaked exhaust gas to a crankcase of the engine.
    Type: Application
    Filed: April 4, 2013
    Publication date: October 9, 2014
    Applicant: Ford Global Technologies, LLC
    Inventors: David Karl Bidner, Christopher House, Chad Stateler
  • Publication number: 20140298799
    Abstract: An exhaust manifold for at least a portion of an internal combustion engine having a defined number of combustion chambers includes a plurality of inlet ports and four outlet ports. A first pair of the four outlet ports are disposed in gas flow communication with a first subset of the plurality of inlet ports, and a second pair of the four outlet ports different from the first pair are disposed in gas flow communication with a second subset of the plurality of inlet ports different from the first subset.
    Type: Application
    Filed: April 4, 2013
    Publication date: October 9, 2014
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: GM GLOBAL TECHNOLOGY OPERATIONS LLC
  • Publication number: 20140290240
    Abstract: In an actuating device for a turbine of an exhaust gas turbocharger, in particular for controlling the charging pressure of the exhaust gas turbocharger, wherein the exhaust gas turbocharger has an actuating shaft in the form of a first bolt element via which a valve element of the turbine is movable between a dosed position and an open position and which is non-rotatably connected to a connecting element that is pivotally coupled to a second bolt element by way of which the first bolt element can be pivoted about the axis of rotation by a translatory motion of an actuating element, both bolt elements are engaged on at least one first side of the connecting element via a single integral intermediate element for retaining the connecting element in engagement with the bolt elements.
    Type: Application
    Filed: June 11, 2014
    Publication date: October 2, 2014
    Inventors: Vincent FAUCONNIER, Tim LOWAK
  • Publication number: 20140290239
    Abstract: An EGR apparatus includes an EGR passage to allow part of exhaust gas discharged from a combustion chamber to flow in an intake passage and recirculate back to the combustion chamber and an EGR valve to regulate EGR gas in the EGR passage. The EGR valve includes a valve seat, a valve element, and a step motor. An ECU calculates a target correction value corresponding to an operating condition of an engine, cuts off energization to the step motor in order to hold the EGR valve at a predetermined opening degree during operation thereof, and then restarts energization to the step motor, calculates an energization cutoff correction value corresponding to an elapsed time from energization cutoff, and corrects the target correction value by the calculated energization cutoff correction value in order to control the EGR valve to the target opening degree.
    Type: Application
    Filed: March 31, 2014
    Publication date: October 2, 2014
    Inventors: Minoru AKITA, Mamoru YOSHIOKA
  • Patent number: 8844282
    Abstract: An exhaust-gas turbocharger has a turbine housing and a waste-gate valve of a ball-cock configuration which is arranged therein. The actuating crank of the waste-gate valve has a crank arm, to which the closing element is fastened, and a crank spindle which is connected integrally to the crank arm and is mounted in the turbine-housing wall. A stop shoulder for sealing the crank-spindle bearing and a flexural-stress relief pocket are provided in the transition region between the crank spindle and the crank arm, as a result of which the sealing action of the crank-spindle bearing and a more uniform distribution of flexural stresses in the transition region between the crank arm and the crank spindle are brought about and therefore an increased service life of the actuating crank is ensured with a simultaneously economical configuration.
    Type: Grant
    Filed: May 9, 2012
    Date of Patent: September 30, 2014
    Assignee: Continental Automotive GmbH
    Inventors: Alexander Jaegle, Roland Herfurth
  • Patent number: 8844283
    Abstract: An exhaust-gas turbocharger is embodied with a bypass valve which is disposed in a bypass duct of a turbine between an exhaust-gas pressure line and an outlet cross section of the turbine of the exhaust-gas turbocharger and which is connected to an actuating device for controlling the throughput of exhaust-gas through the bypass duct. Through the bypass valve, a partial flow of the exhaust-gas can be guided past the turbine on demand. The bypass valve has a valve head and a valve stem. The bypass valve is axially movably held with the valve stem. The valve head, in a closed state of the bypass valve, can be placed against a valve seat in order to close the bypass duct in a gas-tight and pressure-tight manner. The side of the valve head that is connected to the valve stem faces the exhaust-gas pressure line.
    Type: Grant
    Filed: March 8, 2013
    Date of Patent: September 30, 2014
    Assignee: Volkswagen Aktiengesellschaft
    Inventors: Jens Kühlmeyer, Dirk Hagelstein, Eduard Lippert
  • Patent number: 8843269
    Abstract: Systems and techniques are provided for managing an interface between a machine or work vehicle and a surface that the machine/work vehicle travels on in order to provide an optimum work performance level that balances fuel efficiency and surface adversity. Fleet management and reporting capabilities pertaining to such interface management are also provided.
    Type: Grant
    Filed: August 17, 2011
    Date of Patent: September 23, 2014
    Assignee: Deere & Company
    Inventors: Noel Wayne Anderson, Larry Lee Hendrickson
  • Publication number: 20140260241
    Abstract: Methods and systems are provided for improving boost response. A continuously variable compressor recirculation valve and a wastegate are adjusted in complementary frequency bands to move compressor operation away from a surge limit and reduce boost delivery errors. An intake throttle is also concurrently adjusted to offset manifold air-flow rate errors resulting from the wastegate or recirculation valve adjustments.
    Type: Application
    Filed: March 14, 2013
    Publication date: September 18, 2014
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Mrdjan J. Jankovic, Julia Helen Buckland
  • Publication number: 20140260240
    Abstract: In an embodiment, a method for turbocharging a stratified charge engine includes flowing, in a turbocharged mode, exhaust gas from the engine into a turbocharger based on the engine having a load greater than a threshold load and the engine operating in a first range of engine speeds, the threshold load comprising a peak load for engine operation in a naturally-aspirated mode using a lean air-fuel mixture and providing, by the turbocharger while in the turbocharged mode, an increased amount of air to a combustion chamber in the engine based on the turbocharger receiving the exhaust gas. The method also includes restricting flow, in the naturally-aspirated mode, of the exhaust gas into the turbocharger based on at least one of: the engine having a load less than the threshold load or the engine operating in a second range of engine speeds, the second range being greater than the first range.
    Type: Application
    Filed: March 15, 2013
    Publication date: September 18, 2014
    Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC
    Inventor: Ko-Jen Wu
  • Patent number: 8833075
    Abstract: A method for adjusting an exhaust heat recovery valve is presented. In one embodiment, the method may control an amount of boost provided by a turbocharger to an engine.
    Type: Grant
    Filed: October 31, 2013
    Date of Patent: September 16, 2014
    Assignee: Ford Global Technologies, LLC
    Inventors: Ross Dykstra Pursifull, Joseph Norman Ulrey
  • Patent number: 8833074
    Abstract: An exhaust-bypass valve capable of reducing wear of a rotating shaft to prevent controllability from deteriorating is provided. An exhaust-bypass valve (1) of a turbocharger includes a shunting passage (5) that communicates between a passage (3) at the turbine-inlet side and a passage (4) at the turbine-outlet side and a valve flap (6) that opens and closes this shunting passage (5). The valve flap (6) opens and closes to shunt a gas flowing through the passage (3) at the turbine-inlet side into the passage at the turbine-outlet side. The valve flap (6) is rotatably supported at one side thereof serving as a center-of-rotation side, and the other side thereof moves away from or towards the shunting passage (5) to open or close the shunting passage (5). A tapered portion (10) is provided at an edge on the other side. The edge is at least one of an edge of an opening of the shunting passage (5) facing the valve flap (6) and a side surface of the valve flap (6) facing the shunting passage (5).
    Type: Grant
    Filed: February 20, 2009
    Date of Patent: September 16, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Noriyuki Hayashi, Mitsushige Kubota, Takao Yokoyama, Masaki Tojo
  • Patent number: 8826660
    Abstract: An exhaust gas system includes a turbocharger housing and an exhaust manifold having manifold pipes and connected to the turbocharger housing. The turbocharger housing has a pipe collector extending in a direction of the exhaust manifold for connection of the manifold pipes.
    Type: Grant
    Filed: March 5, 2010
    Date of Patent: September 9, 2014
    Assignee: Benteler Automobiltechnik GmbH
    Inventors: Tobias Gockel, Uwe Fischer, Ralph Naubert, Jörg Horstmann, Frank Fetscher
  • Publication number: 20140245736
    Abstract: A two-stage supercharging device for an internal combustion engine having a radial high-pressure turbine and an axial low-pressure turbine. The high-pressure turbine has spiral housing with an exhaust-gas inlet connecting piece connected to an exhaust line and via which an exhaust-gas flow flows from the internal combustion engine to the high-pressure turbine. A partial flow of the exhaust-gas flow can flow past the high-pressure turbine in a bypass unit and can be adjusted by a shut-off valve. The bypass unit includes a branch line and an annular duct housing which are integrally formed on the spiral housing as a single-piece component. The branch line branches off the exhaust-gas inlet connecting piece at a branching point and issues into an annular duct formed by the annular duct housing. The shut-off valve is arranged, at the branching point. The partial exhaust-gas flow flows through the branch line into the annular duct and from there through an axially arranged annular gap into an exhaust-gas duct.
    Type: Application
    Filed: September 21, 2012
    Publication date: September 4, 2014
    Inventors: Andreas Thoss, Thomas Zink
  • Patent number: 8820709
    Abstract: A turbine housing includes a wastegate chamber with a wastegate opening; and a wastegate disposed in the wastegate chamber where the wastegate includes a plug configured to plug the wastegate opening and where the plug includes a surface; a shaft configured for receipt by a bore in a wall of the wastegate chamber; and a rotatable arm extending from the shaft where the arm has a surface configured for contacting the surface of the plug for a closed orientation of the plug with respect to the wastegate opening to transmit force from the arm more centrally to the plug. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.
    Type: Grant
    Filed: March 14, 2011
    Date of Patent: September 2, 2014
    Assignee: Honeywell International Inc.
    Inventors: Alain Lombard, Nicolas Serres
  • Patent number: 8806869
    Abstract: The disclosure relates to a method for controlling a turbocharger system of an internal combustion engine. The method comprises controlling a first bypass valve of a high pressure exhaust gas turbine and a second bypass valve of a low pressure gas turbine on the basis of a turbine model, the first and second bypass valves continuously variable. In this way, turbocharger system efficiency may be maximized.
    Type: Grant
    Filed: September 2, 2011
    Date of Patent: August 19, 2014
    Assignee: Ford Global Technologies, LLC
    Inventor: Simon Petrovic
  • Patent number: 8806867
    Abstract: A variable geometry exhaust turbocharger, wherein bolts which fasten a variable nozzle mechanism do not loosen. A variable geometry exhaust turbocharger, is provided with a turbine housing a turbine rotor, a turbine shaft a bearing for supporting the turbine shaft, a bearing housing, and a variable nozzle mechanism for regulating the flow of exhaust gas. The variable nozzle mechanism is provided with a nozzle, a nozzle mount, a lever plate, and a drive ring. A nozzle plate with which the tip of the nozzle makes contact is provided to an inner tube section of the turbine housing. A sleeve member is provided between the nozzle mount and the nozzle plate so as to be coaxial with a through-hole and a screw-through hole. The nozzle mount and the nozzle plate are connected together by fastening bolts passed through the through-hole, the sleeve member, and the screw through-hole, in that order.
    Type: Grant
    Filed: September 15, 2009
    Date of Patent: August 19, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Noriyuki Hayashi, Yasuaki Jinnai, Masaki Tojo, Yoichi Ueno
  • Patent number: 8793995
    Abstract: A system and method for recovering the unused energy of exhaust gas of an internal combustion engine is provided. A charge device for generating compressed intake air for the internal combustion engine is driven by exhaust gas, and an air compressor having at least one compression stage is connected to the charge device to withdraw at least a partial quantity of the compressed intake air, the partial quantity of the compressed intake air of the charge device that can be withdrawn by the air compressor is adjustable.
    Type: Grant
    Filed: January 12, 2010
    Date of Patent: August 5, 2014
    Assignee: KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH
    Inventor: Eduard Gerum
  • Publication number: 20140208739
    Abstract: Various methods and systems are provided for adjusting a flow of exhaust gas in an exhaust gas recirculation system. In one embodiment, a method for an engine comprises controlling a flow of exhaust gas through an exhaust gas recirculation system of an engine system based on a choke level of a turbocharger. For example, the flow of exhaust gas in the exhaust gas recirculation system may be reduced to within a threshold of a choke level of the turbocharger, in response to an ambient condition.
    Type: Application
    Filed: January 28, 2013
    Publication date: July 31, 2014
    Applicant: General Electric Company
    Inventors: James Robert Mischler, Luke Henry, Greg Thomas Polkus
  • Patent number: 8789369
    Abstract: A turbocharger of a supercharging apparatus includes a turbine impeller, which is rotatable by exhaust gas discharged from an internal combustion engine of a vehicle. An electric heater is placed in an exhaust passage, which extends from an exhaust outlet of the internal combustion engine to the turbine impeller. The electric heater generates a heat when the electric heater is energized.
    Type: Grant
    Filed: July 11, 2012
    Date of Patent: July 29, 2014
    Assignee: Denso Corporation
    Inventor: Osamu Sato
  • Patent number: 8789368
    Abstract: The disclosure relates to an internal combustion engine which is optimized with regard to the cooling of a turbine. The engine has at least one cylinder head and block, forming at least one cylinder, and at least one turbine. Each cylinder has at least one exhaust opening for discharging the exhaust gases from the cylinder. An exhaust gas line is connected to each exhaust opening, the exhaust gas lines converging to produce at least one combined exhaust gas line, thereby forming at least one exhaust manifold, which opens into the at least one turbine having a turbine housing. The turbine has at least one flow channel conducting exhaust gas through the turbine housing, and at least one coolant passage integrated in the housing forming a cooling facility. At least one chamber is arranged between the at least one coolant passage and the at least one flow channel conducting exhaust gas.
    Type: Grant
    Filed: January 10, 2012
    Date of Patent: July 29, 2014
    Assignee: Ford Global Technologies, LLC
    Inventors: Kai Sebastian Kuhlbach, Ludwig Stump
  • Patent number: 8783030
    Abstract: A system and method are provided for controlling an air handling system for an internal combustion engine including a turbocharger having a variable geometry turbine and a compressor having a fresh air inlet fluidly coupled to ambient and to an air outlet of an electric air pump. An air pump enable value as determined a function of target engine speed and total fuel target values and an air flow target is determined as a function of a target fresh air flow value. Operation of the electric air pump is activated to supply supplemental air flow to the fresh air inlet of the compressor if the air pump enable value is greater than a threshold air pump enable value and the air flow target does not exceed a maximum flow value.
    Type: Grant
    Filed: September 25, 2011
    Date of Patent: July 22, 2014
    Assignee: Cummins Inc.
    Inventors: John N Chi, John M Mulloy, Sriram S Popuri, Timothy R Frazier, Martin T Books, Divakar Rajamohan, Indranil Brahma
  • Publication number: 20140190160
    Abstract: Methods and systems are provided for an engine including a first turbocharger having a first compressor and a second turbocharger having a second compressor. An EGR differential between the first compressor and the second compressor may be increased under a condensation condition, and decreased under a surge condition. The EGR differential may also be decreased when a compressor outlet temperature exceeds an outlet temperature threshold.
    Type: Application
    Filed: March 10, 2014
    Publication date: July 10, 2014
    Applicant: Ford Global Technologies, LLC
    Inventors: Daniel Joseph Styles, Brad Alan Boyer, Satheesh Makkapati
  • Publication number: 20140190161
    Abstract: A turbocharging system of an internal combustion engine includes compressor of a turbocharger disposed on an intake passage of an internal combustion engine and a turbine disposed on an exhaust passage of the internal combustion engine. A bypass passage connects an upstream side and a downstream side of the turbine in the exhaust passage together. A wastegate valve, which is disposed on the bypass passage, opens and closes the bypass passage according to turbocharging pressure of the compressor. An accumulator, which accumulates exhaust gas pressure, is connected to a downstream side of the wastegate valve in the bypass passage. A recirculation passage connects the accumulator and an upstream side of the turbine together, and a recirculation valve, which opens and closes the recirculation passage based on an output request, is deposed on the recirculation passage.
    Type: Application
    Filed: August 30, 2012
    Publication date: July 10, 2014
    Applicant: Daimler AG
    Inventor: Yuukichi Hayashi
  • Patent number: 8769948
    Abstract: An exhaust gas system configured for an internal combustion engine includes a cylinder head having at least two cylinders, a single exhaust duct emerging from the cylinder head, an individual exhaust duct provided between each cylinder and the single exhaust duct, and a reservoir of fixed volume integrated in the cylinder head and coupled to the single exhaust duct via a connecting duct. A reservoir valve is provided in the connecting duct in some embodiments. According to one embodiment, a method is disclosed in which the reservoir valve is commanded to an open position when flow through the single exhaust duct is large and commanded to a closed position when flowrate through the single exhaust duct is small. In some embodiments, a turbine, with a selectable volume upstream of the impeller, is coupled to the cylinder head.
    Type: Grant
    Filed: February 16, 2010
    Date of Patent: July 8, 2014
    Assignee: Ford Global Technologies, LLC
    Inventor: Kai Sebastian Kuhlbach
  • Publication number: 20140182284
    Abstract: A turbocharger is mounted on a diesel engine (e.g., a marine diesel engine), with the turbocharger's turbine axis transverse to a crankshaft axis of the engine.
    Type: Application
    Filed: December 30, 2013
    Publication date: July 3, 2014
    Applicant: GENERAL ELECTRIC COMPANY
    Inventors: Jason Ozolins, Mahantesh Navalagund, Charles B. Atz, Vijayaselvan Jayakar, Senthilkumar Anandhakrishnan, Pratap Subhash Shitole
  • Patent number: 8763393
    Abstract: A turbocharger includes a variable-nozzle assembly that includes an insert having a tubular portion received into a stepped bore of a turbine housing and having a nozzle portion extending radially out from one end of the tubular portion, and a generally annular nozzle ring axially spaced from the nozzle portion and an array of vanes rotatably mounted to the nozzle ring. Sealing of the interface between the tubular portion of the insert and the turbine housing is provided by a sealing ring formed as a generally annular body having a U- or V-shaped cross-section oriented such that an open side of the U- or V-shaped cross-section faces in a radial direction. The U- or V-shaped cross-section defines two opposing legs, one of the legs being engaged against an end face of the tubular portion of the insert and the other leg being engaged against an upstream-facing step surface of the turbine housing bore.
    Type: Grant
    Filed: August 8, 2011
    Date of Patent: July 1, 2014
    Assignee: Honeywell International Inc.
    Inventors: Emmanuel Severin, Pierre Barthelet, Lionel Toussaint, Olivier Millotte
  • Patent number: 8764388
    Abstract: A variable geometry turbine comprises: a turbine wheel (5) in a housing (1) for rotation about a turbine axis, an annular inlet passage (9) defined between respective radial inlet surfaces of first and second wall members (11, 12), at least one of said first and second wall members being moveable along the turbine axis to vary the size of the inlet passage; an array of vanes (14) extending across the inlet passage, said vanes being connected to said first wall member; a complementary array of vane slots (28) defined by the second wall member, said vane slots configured to receive said vanes to accommodate relative movement between the first and second wall members; the second wall member comprising at least two axially adjacent co-axial plates (29, 30), a first plate (29) defining a first array of openings which overlie a second array of openings defined by a second plate (30) so as to define said array of vane slots, said first plate being fixed to said second plate.
    Type: Grant
    Filed: July 22, 2009
    Date of Patent: July 1, 2014
    Assignee: Cummins Turbo Technologies Limited
    Inventors: Tom J Roberts, Robert L Holroyd
  • Publication number: 20140174073
    Abstract: In one embodiment, a method for an engine comprises adjusting an engine operating parameter based on exhaust pressure, the exhaust pressure estimated based on wastegate actuator motor current.
    Type: Application
    Filed: December 21, 2012
    Publication date: June 26, 2014
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Amey Y. Karnik, Yan Wang, Vladimir V. Kokotovic, James Alfred Hilditch, Allan Roy Gale
  • Publication number: 20140174074
    Abstract: An engine system comprises a first turbocharger including a first wastegate, first wastegate actuator, and first turbocharger sensor, a second turbocharger including a second wastegate, second wastegate actuator, and second turbocharger sensor, and a controller configured to adjust the first wastegate actuator so that a parameter of the first turbocharger matches a parameter of the second turbocharger, based on output from the first and second turbocharger sensors. In this way, turbocharger output between the two turbochargers may be balanced.
    Type: Application
    Filed: December 21, 2012
    Publication date: June 26, 2014
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: James Alfred Hilditch, Julia Helen Buckland, Robert Andrew Wade
  • Publication number: 20140174075
    Abstract: Wastegated turbochargers all use actuators to manipulate the wastegate valve which controls turbine wheel bypass of exhaust gas energy. The diaphragms in these actuators are susceptible to foreign material damage. This damage is minimized by the addition of a boot around the actuator shaft, preventing ingress of foreign materials and fluids which could be detrimental to actuator life.
    Type: Application
    Filed: March 8, 2012
    Publication date: June 26, 2014
    Inventor: Alexandre Garcia Alcaraz
  • Publication number: 20140174076
    Abstract: A super-turbocharger utilizing a high speed, fixed ratio traction drive that is coupled to a continuously variable transmission to allow for high speed operation is provided. A high speed traction drive is utilized to provide speed reduction from the high speed turbine shaft. A second traction drive provides infinitely variable speed ratios through a continuously variable transmission. Gas recirculation in a super-turbocharger is also disclosed.
    Type: Application
    Filed: October 16, 2013
    Publication date: June 26, 2014
    Applicant: VANDYNE SUPERTURBO, INC.
    Inventors: Ed VanDyne, Michael B. Riley, Jared William Brown
  • Publication number: 20140174077
    Abstract: An assembly can include a turbine housing that includes a bore, a wastegate seat and a wastegate passage that extends to the wastegate seat; a bushing configured for receipt by the bore; a rotatable wastegate shaft configured for receipt by the bushing; a wastegate arm extending from the wastegate shaft; and a wastegate plug extending from the wastegate arm where the wastegate plug includes a contact portion that contacts the wastegate seat to cover the wastegate passage in a closed state and a shell portion that extends into the wastegate passage in the closed state and that defines a clearance with respect to the wastegate seat in an open state. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.
    Type: Application
    Filed: March 6, 2014
    Publication date: June 26, 2014
    Applicant: Honeywell International Inc.
    Inventors: Manimurugan PALANIYAPPAN, Martin BENDA, Jan JURASEK, Manuel MARQUES
  • Patent number: 8756927
    Abstract: A method and to a device for the regeneration of a particle filter arranged in the exhaust gas tract of an internal combustion engine with at least one NO oxidation catalyst for the oxidation of NO, especially to NO2, which is arranged upstream of the particle filter and through which an exhaust gas stream flows. At least one heater, especially a heating catalyst, through which another gas stream, i.e., a second exhaust gas stream, flows and which heats the additional gas steam, is provided upstream of the particle filter. The heated additional gas stream is mixed upstream of the particle filter with the exhaust gas stream coming from the NO oxidation catalyst, i.e., the gas stream loaded in particular with NO2.
    Type: Grant
    Filed: August 12, 2009
    Date of Patent: June 24, 2014
    Assignee: MAN Truck & Bus AG
    Inventor: Andreas Döring
  • Publication number: 20140165557
    Abstract: One embodiment is a method including determining whether an ammonia storage device has a stored quantity of ammonia, predicting an impending ammonia release from the ammonia storage device, determining a NOx increase amount in response to the impending ammonia release, and increasing an amount of NOx provided by an engine based on the NOx increase amount. In certain embodiments, determining the NOx increase amount in response to the impending ammonia release comprises determining a NOx increase schedule based on the stored quantity of ammonia. In certain embodiments, the NOx increase schedule comprises a specified NOx increase time period, and in certain further embodiments, the method further includes decrementing the specified NOx increase time period based on an estimated catalyst degradation value.
    Type: Application
    Filed: February 19, 2014
    Publication date: June 19, 2014
    Applicant: Cummins Inc.
    Inventors: Hasan Mohammed, Joseph M. Brault
  • Publication number: 20140165556
    Abstract: A turbocharger system is described herein. The turbocharger system may include a cylinder head forming a portion of a combustion chamber and including an integrated exhaust manifold in fluidic communication with the combustion chamber and a wastegate valve positioned within the cylinder head including an inlet in fluidic communication with the integrated exhaust manifold and an outlet in fluidic communication with an outlet of a turbine positioned downstream of the integrated exhaust manifold.
    Type: Application
    Filed: December 18, 2012
    Publication date: June 19, 2014
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Keith Michael Plagens, Daniel Joseph Styles
  • Publication number: 20140165555
    Abstract: An assembly can include a wastegate with a wastegate arm and a plug portion positionable in a closed operational state and in open operational states and a turbine housing component that includes a wall extending axially away from a wastegate seat to establish a relationship for exhaust flow from a wastegate opening to an exhaust chamber with respect to the open operational states of the wastegate. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.
    Type: Application
    Filed: December 17, 2012
    Publication date: June 19, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Manuel Marques, Jean-Jacques Laissus
  • Patent number: 8752364
    Abstract: A system is described for producing an elevated exhaust temperature and reduced NOx output for an engine. The system includes an internal combustion engine having a common rail fuel system, an exhaust pressure modulation device for the internal combustion engine, and a controller structured to functionally execute operations for elevating the exhaust temperature and reducing the NOx output. The controller determines a desired engine outlet exhaust temperature, an engine speed, and an engine load. In response to the desired engine outlet exhaust gas temperature, the engine speed, and the engine load, the controller determines an exhaust pressure increase command and a fuel injection command including at least one post-injection event. The common rail fuel system is responsive to the fuel injection command, and the exhaust pressure modulation device is responsive to the exhaust pressure increase command.
    Type: Grant
    Filed: September 30, 2010
    Date of Patent: June 17, 2014
    Assignee: Cummins Inc.
    Inventors: Linsong Guo, Ryan Edgecomb, Robert Kern, Lk Hwang, Timothy R. Frazier, Neal W. Currier
  • Publication number: 20140150425
    Abstract: A method for controlling an exhaust gas recirculation system of an internal combustion engine includes: determining a setpoint power to be output by the internal combustion engine; and limiting an exhaust gas flow conducted through the exhaust gas recirculation system based on the setpoint power.
    Type: Application
    Filed: November 26, 2013
    Publication date: June 5, 2014
    Applicant: ROBERT BOSCH GMBH
    Inventors: Patrick MENOLD, Rainer MAIER, Isabelle ELSNER
  • Publication number: 20140150423
    Abstract: A two-stage turbocharger assembly for an internal combustion engine is provided. The assembly has a single low pressure turbocharger, and more than two high pressure turbochargers arranged in parallel with each other. The compressor outlet of the single low pressure turbocharger is operatively connected to the compressor inlets of the high pressure turbochargers. The turbine outlets of the high pressure turbochargers are operatively connected to the turbine inlet of the single low pressure turbocharger.
    Type: Application
    Filed: November 26, 2013
    Publication date: June 5, 2014
    Applicant: NAPIER TURBOCHARGERS LIMITED
    Inventor: Francis Joseph Geoffrey HEYES
  • Publication number: 20140150424
    Abstract: A turbocharger wastegate is provided. The turbocharger wastegate comprises a cover plate actuatable in an open and closed position, the open position enabling exhaust gas flow through a turbine bypass conduit and the closed position inhibiting exhaust gas flow through the turbine bypass conduit and a vibration-dampening extension coupled to the cover plate radially extending beyond a radial periphery of the cover plate. Exhaust gas flow acting on the extension thus reduces vibration of the wastegate, thereby improving durability and reducing unwanted noise.
    Type: Application
    Filed: December 5, 2012
    Publication date: June 5, 2014
    Applicant: Ford Global Technologies, LLC
    Inventors: Alan Eden, Anthony Morelli
  • Patent number: 8739527
    Abstract: A method for improving operation of a turbocharged engine is presented. In one embodiment, the method may reduce engine emissions and improve engine efficiency during an engine start.
    Type: Grant
    Filed: December 2, 2011
    Date of Patent: June 3, 2014
    Assignee: Ford Global Technologies, LLC
    Inventors: Joseph Norman Ulrey, Ross Dykstra Pursifull
  • Publication number: 20140144134
    Abstract: A turbocharger system comprises a first relatively small high-pressure (HP) turbocharger (1) and a second relatively large low pressure (LP) turbocharger (2). The turbine (6) of the LP turbocharger (2) is connected in series downstream of the turbine (4) of the HP turbocharger (1) in a first exhaust gas passage (11). An exhaust bypass flow passage (12) provides a bypass flow path around the HP turbine (4). A rotary valve (8) is located at a junction of the bypass flow passage (12) and a first exhaust gas flow passage (11). The rotary valve (8) comprises a valve rotor (19) which is rotatable to selectively permit or block flow to the LP turbine (6) from either the first exhaust gas passage (11) or the bypass gas passage (12).
    Type: Application
    Filed: November 27, 2012
    Publication date: May 29, 2014
    Applicant: Cummins Turbo Technologies Limited
    Inventors: James A. McEwan, Lee J. Robinson
  • Publication number: 20140144135
    Abstract: A system can include a turbine housing that defines a turbine wheel space, an exhaust chamber in fluid communication with the turbine wheel space and a control shaft bore that extends from the exhaust chamber to an outer surface of the turbine housing; a blunt body positionable above the turbine wheel space where the blunt body includes an opening and a lumen in fluid communication with the opening; and a suction conduit connectable for fluid communication between the control shaft bore of the turbine housing and the lumen of the blunt body. Various other examples of devices, assemblies, systems, methods, etc., are also disclosed.
    Type: Application
    Filed: November 28, 2012
    Publication date: May 29, 2014
    Applicant: HONEYWELL INTERNATIONAL INC.
    Inventors: Suryakant Gupta, Parikshit I. Mulani, Poomkuzhimannil Zachariah John, Anish Surendran, Anish Kumar Gupta, S. Sundaravel Nambi, Santosh V.
  • Patent number: 8733101
    Abstract: In a wastegate valve which is provided in the bypass path bypassing the turbine of the turbocharger in the exhaust gas path and which opens and closes the bypass path, the wastegate valve is provided with a valve seat which is formed in a plane perpendicular to or tilted with an inclination angle with respect to an axial direction of the bypass path, and a valving element which is pivotable around a pivot point which has a relationship of 0°<?<90° with respect to the plane including the valve seat where ? is an inclination angle, the valving element being moved away from or closer to the valve seat by pivotation of the valving element to open or close the valve.
    Type: Grant
    Filed: January 13, 2011
    Date of Patent: May 27, 2014
    Assignee: Mitsubishi Heavy Industries, Ltd.
    Inventors: Toru Hoshi, Isao Tomita, Takao Yokoyama, Noriyuki Hayashi
  • Patent number: 8733100
    Abstract: The present invention relates to a valve control device (1) having a housing (2), which comprises a first low pressure chamber (3) and a first atmospheric pressure chamber (4), which are separated from each other in a gas-tight manner by means of a spring-loaded first membrane (5); having a control rod (6) for controlling the position of a locking element of the bypass valve (7), wherein the control rod (6) is operatively connected to the first membrane (5), further having a second low pressure chamber (8), which is flow-connected to the first low pressure chamber (3), and having a second spring-loaded membrane (9), which is arranged in the second low pressure chamber (8) and is coupled to the first membrane (5), wherein the control rod (6) is mounted on the second membrane (9).
    Type: Grant
    Filed: October 24, 2007
    Date of Patent: May 27, 2014
    Assignee: BorgWarner Inc.
    Inventor: Ralf Christmann
  • Publication number: 20140137553
    Abstract: Embodiments for vacuum generation are provided. In one example, a method for an engine including a turbocharger having a compressor driven by a turbine comprises generating vacuum via exhaust flow through an ejector, and applying vacuum from the ejector to a wastegate actuator. In this way, vacuum produced via high-pressure exhaust resulting from boosted engine operation may be used to actuate the wastegate valve.
    Type: Application
    Filed: November 16, 2012
    Publication date: May 22, 2014
    Applicant: FORD GLOBAL TECHNOLOGIES, LLC
    Inventors: Joseph Norman Ulrey, Ross Dykstra Pursifull