Patents Issued in March 28, 2019
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Publication number: 20190093505Abstract: A wash optimization system and related methods are provided that increase the efficiency and the effectiveness of engine washes. A system comprising at least one processor receives sensor data representing one or more measured parameters of a turbine engine and determines at least one performance parameter based on the sensor data. The at least one performance parameter represents at least one of a condition or performance associated with the turbine engine. The system generates a health state for the turbine engine based on the at least one performance parameter and generates a wash identifier based on the health state of the turbine engine.Type: ApplicationFiled: July 25, 2018Publication date: March 28, 2019Inventors: Lorenzo Escriche, Charles Larry Abernathy, Daniel John Maggard
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Publication number: 20190093506Abstract: In a method for processing a turbomachine airfoil element, the airfoil element comprises a metallic substrate having: an airfoil extending from a first end to a second end; and a cooling passageway system extending through the airfoil. The method comprises: applying an external vibration to an area of the airfoil element targeting internal fouling of the cooling passageway system; flushing the cooling passageway system; and imaging the cooling passageway system.Type: ApplicationFiled: September 11, 2018Publication date: March 28, 2019Applicant: United Technologies CorporationInventors: Karthikeyan Baskaran, Balaji Rao Garimella
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Publication number: 20190093507Abstract: A turbine frame for a gas turbine engine according to an example of the present disclosure includes a turbine case, a bearing support housing that defines a receptacle, and a tie rod preloaded in compression between the turbine case and the bearing support housing.Type: ApplicationFiled: September 25, 2017Publication date: March 28, 2019Inventor: Eric J. Ward
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Publication number: 20190093508Abstract: An assembly for a turbomachine including a shaft of a rotor of a turbomachine, and at least two bearings allowing at least one portion of the shaft to be supported, including a bearing support configured to be connected to a casing of the turbomachine which extends between the internal rings of the bearings while being mounted thereon, as well as a bearing connector which is connected to the shaft of the rotor and which is mounted on the external rings of the bearings while extending between them, the bearing support and the bearing connector being common to the two bearings and delimiting together at least partially an oil circulation housing common to the two bearings.Type: ApplicationFiled: September 26, 2018Publication date: March 28, 2019Applicant: SAFRAN AIRCRAFT ENGINESInventors: Emmanuel Pierre Dimitri PATSOURIS, Arnaud Nicolas Negri
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Publication number: 20190093509Abstract: An oil filtering system comprises: a first inlet, a first outlet, and a first oil filter; a first bypass conduit interconnecting the first inlet to the first outlet; a first valve in the first bypass conduit, the first inlet fluidly connected to the first outlet at least via the first bypass conduit in an opened configuration of the first valve, and via the first oil filter in a closed configuration; a second inlet, a second outlet, and a second oil filter; a second bypass conduit between the first inlet and the second outlet; a second valve disposed in the second bypass conduit, the second outlet fluidly connected to the first inlet via the second bypass conduit in an open configuration of the second valve, and via the second oil filter in the closed configuration thereof.Type: ApplicationFiled: September 22, 2017Publication date: March 28, 2019Inventors: Marc Jordan ADIQUE, John Adam LOGAN
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Publication number: 20190093510Abstract: A method of manufacturing a superalloy part including a first portion including a majority by weight of a first superalloy and a second portion including a majority by weight of a second superalloy, the second portion extending from the first portion, the method including depositing the second portion on the first portion by a direct metal deposition method, deposition of the second portion including depositing a first layer, then depositing a second layer on the first layer, the first layer including the first and second superalloys, the first layer presenting a content by weight of the first superalloy that is strictly greater than that content by weight of the second layer and strictly less than that content by weight of the first portion, the second layer presenting a content by weight of the second superalloy that is strictly greater than that content by weight of the first layer.Type: ApplicationFiled: September 24, 2018Publication date: March 28, 2019Inventors: Sébastien Yohann POUZET, Hervé Antoine Frédéric SEINCE, Jean-François CASTAGNE
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Publication number: 20190093511Abstract: The invention is directed to a turbine having a turbine housing or casing. The turbine housing includes a carrier ring and a ring contour component which is fastened to the carrier ring. The ring contour component has a circumferential flange with which it bears against an annular end face of the carrier ring. At least one hold down is provided which enables the flange of the ring contour component to be releasably fixed against the end face of the carrier ring. The turbine is configured to be part of a micro gas turbine in a combined heat and power cogeneration system.Type: ApplicationFiled: November 21, 2018Publication date: March 28, 2019Inventors: Moritz Nett, Josip Kutnjak, Urs Ertel, Axel Widenhorn, Philipp Biewer, Fabian Uhlig
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Publication number: 20190093512Abstract: A gas turbine engine may comprise a blade track and a method of making the same. The blade track may be constructed of ceramic matrix composite components including segments and joints.Type: ApplicationFiled: August 7, 2018Publication date: March 28, 2019Inventors: Aaron D. Sippel, Bruce E. Varney, Ted J. Freeman, Kevin P. Holley
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Publication number: 20190093513Abstract: A gas turbine includes an outer casing having an annular shape; an inner casing disposed inside the outer casing; and a plurality of struts, each strut having a first end fixed to an outer surface of the inner casing, a second end fixed to an inner surface of the outer casing, and an inclined portion for guiding a flow of combustion gas, wherein the inclined portion is inclined from a front side to a rear side.Type: ApplicationFiled: June 19, 2018Publication date: March 28, 2019Inventor: Jin Sol Jung
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Publication number: 20190093514Abstract: In a steam turbine including a rotor including a free side end fixed by a journal bearing (not illustrated) in a radial direction and a fixed side end fixed by a thrust bearing in an axial direction, and a casing including a fixed side end fixed by the thrust bearing in the axial direction (rotor axial direction), a casing position adjustment device is configured to adjust an axial position of the casing with respect to the rotor due to thermal expansion. The casing position adjustment device includes: a low-pressure casing end plate, which is an end plate oriented to a free side in the axial direction in a low-pressure casing of the casing, and has a diaphragm shape deformable in the axial direction; and actuators, which deform the low-pressure casing end plate so that the low-pressure casing end plate extends toward the free side in the axial direction.Type: ApplicationFiled: February 28, 2017Publication date: March 28, 2019Inventors: Takumi HORI, Hidekazu UEHARA, Kentarou SAEKI, Katsuhisa HAMADA
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Publication number: 20190093515Abstract: A turbocharger includes a turbine with a housing and a rotor for expanding a first medium; a compressor with a housing and a rotor for compressing a second medium utilizing energy extracted in the turbine during expansion of the first medium. A housing surrounds the turbine housing and/or the compressor housing and/or the bearing housing at least in sections, which housing is at least formed from a first housing section and a second housing section, which are connected to one another via screw connections. On the first housing section, shearing force absorption elements are formed or fastened which extend through the second housing section and in the event that shearing forces occur, absorb the shearing forces and thus relieve the screw connections of the shearing forces.Type: ApplicationFiled: September 26, 2018Publication date: March 28, 2019Inventors: Steffen BRAUN, Frank Griesshaber, Vladimir Hort
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Publication number: 20190093516Abstract: A mount assembly for attaching a heat exchanger to a casing of a gas turbine engine comprises a first attachment feature by which in use the mount assembly is attached to the casing and a second attachment feature spaced from the first attachment feature by which in use the mount assembly is attached to the heat exchanger. The first and second attachment features are joined by an elongate member. The assembly is characterised in that the elongate member is significantly larger in a length direction and a height direction than in a thickness direction, so that it is relatively stiff in the length and height directions L, H and relatively flexible in the thickness direction T; the flexibility allowing movement in use within the mount assembly to accommodate differential thermal expansion between the heat exchanger and the casing.Type: ApplicationFiled: July 27, 2018Publication date: March 28, 2019Applicant: ROLLS-ROYCE plcInventors: John P. WOOTTON, Marisol MORALES
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Publication number: 20190093517Abstract: A system includes a probe disposed through one or more walls of a turbomachine. The probe includes a sensing component configured to sense a parameter of the turbomachine. The probe also includes a body coupled to the sensing component, an inlet configured to receive a cooling inflow, a shell that defines a cooling passage, and an outlet. The sensing component is disposed on a warm side of the one or more walls. The inlet and the outlet are disposed on a cool side of the one or more walls. The cooling passage directs the cooling inflow toward the sensing component and toward the outlet. The outlet is configured to receive an outflow from the cooling passage, wherein the outflow includes at least a portion of the cooling inflow.Type: ApplicationFiled: December 3, 2018Publication date: March 28, 2019Inventor: Srinivas Pakkala
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Publication number: 20190093518Abstract: A combined cycle turbine plant having at least one gas turbine, a steam turbine and at least one waste heat steam generator. The waste heat steam generator has at least one condensate pre-heater into which a condensate line discharges, and has a feed water pre-heater which is connected upstream of the condensate pre-heater in the flow direction of a gas turbine flue gas and upstream of which, on the feed water side, there is connected a feed water pump, and which is connected to a fuel preheating unit for the gas turbine. From the fuel preheating unit a line for cooled feed water discharges into a motive medium inlet of a jet pump of which the suction medium inlet is connected to an outlet of the condensate pre-heater and of which the outlet is connected to the condensate line. A corresponding method recirculates condensate in a combined cycle turbine plant.Type: ApplicationFiled: March 31, 2017Publication date: March 28, 2019Applicant: Siemens AktiengesellschaftInventor: Uwe Juretzek
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Publication number: 20190093519Abstract: A waste heat recovery system in thermal communication with an exhaust conduit of an internal combustion engine of a vehicle includes a condenser. The condenser includes a working fluid conduit configured to connect to a working fluid loop of the waste heat recovery system and a coolant fluid conduit configured to connect to a coolant fluid loop used to cool the internal combustion engine of the vehicle. The coolant fluid conduit includes a coolant fluid inlet and a coolant fluid outlet. The waste heat recovery system also includes a coolant fluid bypass fluidly connected between the coolant fluid inlet and the coolant fluid outlet. The coolant fluid bypass includes a coolant fluid control valve configured to vary a portion of the volume of coolant fluid that flows through the coolant fluid bypass based on a temperature of a working fluid in the working fluid loop.Type: ApplicationFiled: May 8, 2018Publication date: March 28, 2019Inventor: Vincent GRELET
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Publication number: 20190093520Abstract: A power pack for converting waste heat from exhaust gases of an internal combustion engine to electrical energy includes a working fluid loop fluidly connecting an evaporator, an expander, a condenser and a pump. The power pack also includes a working fluid tank fluidly connected to the working fluid loop between an outlet of the condenser and an inlet of the pump. The working fluid tank has a single working fluid port operable to receive working fluid from the outlet of the condenser and to supply working fluid to the inlet of the pump. The power pack also includes a power pack control unit in communication with the working fluid tank. The power pack control unit is operable to change a pressure of the working fluid in the working fluid loop at the inlet of the pump by changing the pressure of the working fluid in the working fluid tank.Type: ApplicationFiled: May 8, 2018Publication date: March 28, 2019Inventor: Vincent GRELET
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Publication number: 20190093521Abstract: The object of the present invention is a plant and related method for the supply to the end-user, by making use of the heating power transferred by a heat source e.g. gas, oil products, coal or renewable type e.g. biomass, solar, geothermal, simultaneously with electric power and/or mechanical power, heating power and cooling power “Heating-Cooling” operating mode of the plant or simultaneously with electric power and/or mechanical power and heating power only “Heating” operating mode of the plant or simultaneously with electric power and/or mechanical power and cooling power only “Cooling” operating mode of the plant. The operation of the plant, according to each of the three operation modes, is obtained by the regulation of several on-off valves and a flow rate regulation valve.Type: ApplicationFiled: March 14, 2017Publication date: March 28, 2019Inventor: Stefano BRIOLA
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Publication number: 20190093522Abstract: This invention provides a novel lightweight rocker arm frame and a forming process of a curved crown part thereof, including two sidewalls and two bottom plates. The two sidewalls are connected through the bottom plates respectively located at two ends. A ball socket protruded upwards and an, oil hole are arranged at a bottom plate at one end, and a bottom surface of a bottom plate at the other end is a bearing surface. A pin shaft hole is formed in the middle of each sidewall without the bottom plates. According to the rocker arm frame disclosed by the invention, the strength of the structure can be ensured while light weight is realized. The production efficiency of the rocker arm frame is effectively improved, and the structure of the valve rod supporting position is improved.Type: ApplicationFiled: October 27, 2017Publication date: March 28, 2019Applicant: Hangzhou XZB Tech Co.,LtdInventors: Na XU, Haijun REN
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Publication number: 20190093523Abstract: A rocker arm swingably supported by an arm shaft and operating a valve by rotation of a cam includes an arm body part including a bearing portion supported by the arm shaft, a cam-side arm portion extending from the bearing portion toward a first side, and a valve-side arm portion extending from the bearing portion toward a second side, an arch part extending over the bearing portion and connecting the cam-side arm portion and the valve-side arm portion, and a lightweight part disposed in a space defined between the arm body part and the arch part and having a reduced weight compared with a case where the space is filled with the same material at the same thickness as the arch part.Type: ApplicationFiled: October 20, 2017Publication date: March 28, 2019Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Shuichi MIURA, Seiji TSURUOKA, Takahiro SUSHI, Kenjiro ODA
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Publication number: 20190093524Abstract: A piston for a hydraulic unit of a cam phaser, wherein the piston is configured cylindrical and wherein the piston is received axially movable in a cam phaser opening of the cam phaser, wherein according to a positioning of the piston a plurality of connections, in particular operating connections of the cam phaser are opened and closed, wherein the piston includes an outer contour that is configured for opening or closing the connections wherein the outer contour is configured complementary to an inner contour of the cam phaser opening in order to provide opening and/or closing of the connections. The invention also relates to a cam phaser.Type: ApplicationFiled: November 28, 2018Publication date: March 28, 2019Inventors: Daniel Thomas Sing, John Snyder, Daniel Stanhope
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Publication number: 20190093525Abstract: Methods and systems are provided for an engine including cams having different lobe profiles. In one example, cams of a first cam group drive a plurality of deactivatable cylinder valves and cams of a second cam group drive a plurality of non-deactivatable cylinder valves. The cams of the first cam group include a different lobe profile relative to cams of the second cam group.Type: ApplicationFiled: September 27, 2017Publication date: March 28, 2019Inventors: Danny Nakhle, Kevin Shinners, Robert Stephen Furby
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Publication number: 20190093526Abstract: A rocker arm system provides variable ratio valve actuation. A rocker arm extends between a pair of ends. One end receives a movement input and the second end delivers a movement output. The rocker arm reacts against a bearing cap to deliver the movement output in response to the movement input. The bearing cap includes a load surface facing the rocker arm that defines a trajectory of the rocker arm.Type: ApplicationFiled: September 26, 2017Publication date: March 28, 2019Inventor: Dale J. Swehla
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Publication number: 20190093527Abstract: Aspects of the disclosure are directed to a deoiler. The deoiler includes an impeller, a housing arranged as a volute scroll, a splitter wall located at an exit of the deoiler that separates a lubricant and air discharged by the deoiler, and a port located at the exit that discharges the lubricant to at least one of a pump, a tank, or a gearbox.Type: ApplicationFiled: September 26, 2017Publication date: March 28, 2019Inventor: William G. Sheridan
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Publication number: 20190093528Abstract: A vehicle exhaust system includes a hot end having one or more hot end exhaust components that treat emissions generated by an engine and a cold end that includes at least one cold end component that attenuates noise. At least one acoustic volume is in parallel or serial to the hot end to further attenuate noise.Type: ApplicationFiled: July 16, 2018Publication date: March 28, 2019Inventors: James Egan, Thorsten Keesser, Dieter Fahrlaender
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Publication number: 20190093529Abstract: In an engine which includes an oxidation catalyst and an SCR catalyst in an exhaust passage, a first flow regulating control in which a control valve is controlled so as to decrease a flow rate of an exhaust gas which passes through the oxidation catalyst and the SCR catalyst is performed in a case where the oxidation catalyst is in a low temperature state at the time of performing deceleration fuel cut, and a second flow regulating control in which the control valve is controlled so as to increase the flow rate of the exhaust gas which passes through the oxidation catalyst and the SCR catalyst is performed in a case where the oxidation catalyst is in a temperature state higher than the low temperature state and the SCR catalyst is in a low temperature state at the time of performing the deceleration fuel cut.Type: ApplicationFiled: August 22, 2018Publication date: March 28, 2019Inventors: Masato Katsuta, Yasunori Uesugi, Hiroshi Minamoto
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Publication number: 20190093530Abstract: An oxidation catalyst device for exhaust gas purification, having a first catalyst coating layer on the exhaust gas flow's upstream side, second catalyst coating layer of an upper layer on exhaust gas flow's downstream side, and third catalyst coating layer of a lower layer on exhaust gas flow's downstream side, on a substrate, wherein the weight ratio of platinum to palladium in the first catalyst coating layer is 0.75 to 4.50, weight ratio of platinum to palladium in second catalyst coating layer is greater than 4.50 to 25.0, weight ratio of platinum to palladium in third catalyst coating layer is 0.12 or less, the length of first catalyst coating layer is 8% to 55% of the substrate's length, length of second catalyst coating layer is 45% to 95% of the substrate's length, and length of third catalyst coating layer is 45% to 95% of the substrate's length.Type: ApplicationFiled: June 1, 2018Publication date: March 28, 2019Applicants: CATALER CORPORATION, TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Takahiro NOGUCHI, Makoto TSUJI, Hiroto IMAI, Yusuke SHIMMYO, Hiroyuki MATSUBARA
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Publication number: 20190093531Abstract: A three-way catalyst article, and its use in an exhaust system for internal combustion engines, is disclosed. The catalyst article for treating exhaust gas comprises: a substrate; and a catalytic region on the substrate; wherein the catalytic region comprises a platinum group metal (PGM) component, an oxide, and a rare earth metal component; wherein the oxide is an inorganic oxide, an oxygen storage component (OSC) material, or a mixture thereof; wherein the rare earth metal component concentration by element on the surface of the oxide per unit specific surface area of the oxide is 1 ?mol/m2 to 20 ?mol/m2.Type: ApplicationFiled: September 25, 2018Publication date: March 28, 2019Inventors: Tomotaka HIROTA, Yasunori KURASHIMA, Shuhei NAGAOKA, Yukie OHTSUKA, Satoshi SUMIYA, Takayuki SUZUKI, Takashi YAMADA
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Publication number: 20190093532Abstract: In a dither control process of a fuel injection valve, one of a number of cylinders is set as a rich combustion cylinder and another one of the cylinders is set as a lean combustion cylinder. The temperature raising capability required for the dither control process in the second mode is higher than the temperature raising capability in the first mode. A time integration value is obtained by integrating an absolute value of a difference between an air-fuel ratio of the rich combustion cylinder and an air-fuel ratio of the lean combustion cylinder over a predetermined period. In an enlarging process, a time integration value of the second mode is set to be greater than a time integration value of the first mode.Type: ApplicationFiled: September 17, 2018Publication date: March 28, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Keiichi MYOJO, Yuki NOSE, Eiji IKUTA
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Publication number: 20190093533Abstract: In a dither control process performed on a fuel injection valve, at least one cylinder is set as a rich combustion cylinder and another cylinder is set as a lean combustion cylinder. A dither control process is executed in a first mode when a vehicle is driven in a normal manner by a user. The dither control process is executed in a second mode on condition that a command signal for performing a temperature raising process on the exhaust gas purifier is input from a device outside the vehicle at a repair shop. The absolute value of the difference between the air-fuel ratio of the lean combustion cylinder and the air-fuel ratio of the rich combustion cylinder obtained by the dither control process is set to be greater in the second mode than in the first mode.Type: ApplicationFiled: September 17, 2018Publication date: March 28, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Noriyasu Kobashi, Takashi Nakamura, Tomokazu Akutsu
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Publication number: 20190093534Abstract: Provided is a method for controlling a vehicle exhaust gas treatment system, wherein the system includes an engine and a selective catalytic reduction device configured to receive exhaust gas from the engine and reductant from an injector. The method comprises determining a need for a reductant injection, determining a need for reductant injector noise abatement, and subsequently conducting one or more reductant injection events during one or more engine combustion events. A vehicle combustion event comprises combustion of fuel within a cylinder of the ICE. Determining a need for reductant injector noise abatement comprises determining if an engine speed is below a threshold, if a speed of the vehicle is below a threshold, if a decibel level of a vehicle audio system is below a threshold, or if a hands-free telephone system is being utilized by a passenger of the vehicle. The engine can be a diesel engine.Type: ApplicationFiled: September 25, 2017Publication date: March 28, 2019Inventors: Bryan D. Axe, Michael A. Smith
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Publication number: 20190093535Abstract: A system includes an aftertreatment system configured to treat emissions from an engine via a catalyst and a controller. The controller is configured to obtain one or more engine signals representative of operations of the engine and to execute a model to derive an estimated catalyst emission based on the one or more engine signals and on an expected catalyst degradation. The controller is further configured to obtain one or more catalyst signals representative of catalyst performance, and to generate an adaptation signal configured to improve accuracy of the model based on the one or more catalyst signals. The controller is also configured to apply the adaptation signal and the estimated catalyst emission to generate a urea injection control signal.Type: ApplicationFiled: September 27, 2017Publication date: March 28, 2019Inventors: Maruthi Narasinga Rao Devarakonda, Monika Jonuskeviciute
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Publication number: 20190093536Abstract: An exhaust purification device of an engine includes: an exhaust passage; a urea injector supplying urea water into the exhaust passage; a pump device which supplies urea water stored in a urea tank to the urea injector, the pump device capable of performing an operation of recovering the urea water supplied to the urea injector to the urea tank; an SCR catalyst which purifies the exhaust gas using urea; and a controller. The controller controls the pump device such that the supply of the urea water to the urea injector is stopped, and a recovery operation for recovering the urea water in the urea injector to the urea tank is performed in a case where an amount of ammonium adsorbed by the SCR catalyst is larger than a predetermined reference adsorption amount under a condition where an internal temperature of the urea injector reaches a predetermined high temperature.Type: ApplicationFiled: August 22, 2018Publication date: March 28, 2019Inventors: Yohei Nakano, Yasunori Uesugi
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Publication number: 20190093537Abstract: A power system for converting waste heat from exhaust gases of an internal combustion engine to electrical energy includes an aftertreatment assembly positioned within a first housing. The power system also includes an evaporator assembly positioned within a second housing. The evaporator assembly is positioned directly adjacent the aftertreatment assembly. The evaporator assembly includes a first portion of a working fluid loop in thermal communication with a first length of an exhaust conduit that extends from the aftertreatment assembly into the second housing. The power system also includes a power pack positioned inside a third housing. The power pack is positioned directly adjacent the evaporator assembly opposite to the aftertreatment assembly. The power pack includes a tank, a condenser, a pump and an expander fluidly connected by a second portion of the working fluid loop. The second portion is fluidly connected to the first portion of the working fluid loop.Type: ApplicationFiled: May 8, 2018Publication date: March 28, 2019Inventors: Vincent GRELET, Pierre TIPNER
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Publication number: 20190093538Abstract: A regeneration compliance system is provided and includes navigation, regeneration, zone and timing modules. The navigation module determines a location of a vehicle. The regeneration module determines a state of a PF of an exhaust system of an engine of the vehicle and whether to regenerate the PF based on the state of the PF. The zone module, based on the location of the vehicle, determines whether the vehicle is in a regeneration permitted zone and where regeneration permitted and prohibited zones are located relative to the vehicle. The timing module estimates time to a next regeneration permitted zone or an amount of time remaining in a current regeneration permitted zone. The regeneration module controls when the PF is regenerated based on (i) the state of the PF, and (ii) the time to the next regeneration permitted zone or the amount of time remaining in the current regeneration permitted zone.Type: ApplicationFiled: September 27, 2017Publication date: March 28, 2019Inventor: Edward SZCZEPANSKI
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Publication number: 20190093539Abstract: A regeneration method of an apparatus of purifying an exhaust gas including a catalytic converter which is disposed on an exhaust pipe and includes a lean NOx trap (LNT) device in which a first LNT catalyst is coated and a catalyzed particulate filter (CPF) in which a second LNT catalyst is coated may include determining whether a nitrogen oxide (NOx) amount absorbed in the LNT device is greater than a threshold NOx amount, determining whether a temperature of the LNT device is higher than a first predetermined temperature when the NOx amount absorbed in the LNT device is greater than the threshold NOx amount, and regenerating, both of the LNT device and the CPF or only the LNT device according to a temperature of the CPF when the temperature of the LNT device is higher than the first predetermined temperature.Type: ApplicationFiled: November 29, 2018Publication date: March 28, 2019Applicants: Hyundai Motor Company, Kia Motors CorporationInventors: ChangHo JUNG, Pyung Soon KIM
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Publication number: 20190093540Abstract: A system includes an aftertreatment system configured to treat emissions from an engine via a catalyst and a controller. The controller is configured to obtain one or more engine signals representative of operations of the engine and to execute a model to derive an estimated catalyst emission based on the one or more engine signals and on an expected catalyst degradation. The controller is further configured to obtain one or more catalyst signals representative of catalyst performance, and to generate an adaptation signal configured to improve accuracy of the model based on the one or more catalyst signals. The controller is also configured to apply the adaptation signal and the estimated catalyst emission to generate an engine control signal.Type: ApplicationFiled: September 27, 2017Publication date: March 28, 2019Inventors: Maruthi Narasinga Rao Devarakonda, Monika Jonuskeviciute
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Publication number: 20190093541Abstract: Disclosed herein is an aircraft that includes an exhaust manifold for combining one or more system exhaust paths located upstream of equipment inlets and directing the exhausts upwards towards the rotor linkages such that the exhaust is expelled and diffused forward of the equipment inlets. According to one aspect of the present disclosure, the exhaust manifold includes a structure for supporting a transmission cowling at the top of the aircraft and/or on the sides of the aircraft. For example, the exhaust manifold may include a platform that contains the exhaust ducts and may include a frame extending from the platform that follows the contours of the cowling, such that the cowling lays along the support frame for additional mechanical support.Type: ApplicationFiled: September 22, 2017Publication date: March 28, 2019Applicant: Bell Helicopter Textron Inc.Inventors: Keith C. Pedersen, Brent Scannell, Nam Dai Tran, Thomas Mast
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Publication number: 20190093542Abstract: The present invention relates to a liquid-cooled internal combustion engine comprising an engine block, which includes a plurality of cylinders, and cylinder heads closing the cylinders, wherein each cylinder is surrounded by a respective cooling liner and each cylinder head has provided therein at least one separate cooling chamber connected to the cooling liner of the associated cylinder via at least one transition channel, wherein the transition channels of at least two cylinders are interconnected via a pressure compensation chamber.Type: ApplicationFiled: March 20, 2018Publication date: March 28, 2019Inventors: Domenico PALMISANI, Raghavendra HEDGE, Zhi LI, Michael SULLIVAN
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Publication number: 20190093543Abstract: A coolant control valve (CCV) includes an outer housing, an actuator, a valve body, and one or more thermoelectric generators (TEGs). The outer housing includes at least one inlet and at least one outlet. The TEG is operatively connected to the actuator and can be a lone source of power to the CCV or assist a primary power source. The CCV can utilize a power management device that can receive power input from either the TEG or the primary power source. The TEG has a first surface and a second surface, either of which can be exposed to air or a cooling system fluid or coolant; the coolant can be water, ethylene glycol, a combination thereof, or any other fluid that is utilized in a system that provides temperature management for a component or system.Type: ApplicationFiled: September 28, 2017Publication date: March 28, 2019Applicant: SCHAEFFLER TECHNOLOGIES AG & CO. KGInventors: Biplob Dutta, Raghunath Paralkar
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Publication number: 20190093544Abstract: The present teachings provide for a radiator fan assembly including a fan, a shroud, a flapper door opening, and a flapper door. The shroud defines a fan opening aligned with the fan through which airflow from the fan passes. The flapper door opening is defined by the shroud. The flapper door is pivotally mounted at the flapper door opening. The flapper door includes a main body and an air guide extending from the main body.Type: ApplicationFiled: September 22, 2017Publication date: March 28, 2019Inventor: Thomas KOLPASKY
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Publication number: 20190093545Abstract: A method for ascertaining a control-caused behavior of a valve installed in a vehicle for adjusting a flow of a medium. Operating a pump, which has an electric motor and at least one pump element for conveying the medium, so that the medium is conveyed by the pump in that the pump element is driven by means of the electric motor. Controlling the valve by an electronic computing device of the vehicle. The control of the valve is varied by the electronic computing device. While the medium is conveyed by the pump, and while the control of the valve is varied: sensing at least one parameter characterizing the operation of the pump. Determining the behavior of the valve as a function of the sensed parameter.Type: ApplicationFiled: February 23, 2017Publication date: March 28, 2019Applicant: AUDI AGInventor: Stefan AMMLER
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Publication number: 20190093546Abstract: A coolant circuit of an engine cooling apparatus includes a first passage where coolant flows through a radiator and a second passage where coolant flows without passing through the radiator. A coolant control valve controls a first passage flow rate Frad and a second passage flow rate Fsec. An outlet coolant temperature sensor detects an outlet coolant temperature Tout, which is a coolant temperature before a branching point of the first passage and the second passage. An inlet coolant temperature sensor detects an inlet coolant temperature Tin, which is a coolant temperature after a merging point of the first passage and the second passage. A coolant temperature estimator calculates a radiator coolant temperature Trad, which is a coolant temperature at a coolant exit of the radiator, when the first passage flow rate Frad is greater than or equal to a specified flow rate using equation (1).Type: ApplicationFiled: September 12, 2018Publication date: March 28, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventors: Noboru TAKAGI, Masaaki YAMAGUCHI, Rihito KANEKO, Hirokazu ANDO, Mitsuru YAMAGUCHI, Yoshihiro FURUYA
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Publication number: 20190093547Abstract: A vehicle propulsion system includes a prime mover having a coolant inlet and a coolant outlet, a coolant control valve having a valve inlet in communication with the prime mover coolant outlet, a first valve outlet, and a second valve outlet, a bypass flow path in communication with first valve outlet and the prime mover coolant inlet, a heat exchange flow path in communication with the second valve outlet and the prime mover inlet, a heat exchanger in the heat exchange flow path, a first temperature sensor in the bypass flow path for generating a first temperature signal, a second temperature sensor in the heat exchange flow path for generating a second temperature signal, and a controller for providing a coolant control valve command signal to the coolant control valve, using a normalized gain coefficient.Type: ApplicationFiled: September 22, 2017Publication date: March 28, 2019Inventors: Jeremy J. Anderson, Jeffrey R. Einheuser, Pooyan Razi
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Publication number: 20190093548Abstract: An apparatus for improving efficiency of a turbocharger engine including a turbocharger configured of a turbine rotated by discharge force of exhaust gas transferred from an exhaust manifold, and a compressor rotated coaxially with the turbine to compress intake air applied to an engine is provided. The turbine includes a turbine housing and a turbine wheel. The apparatus includes an auxiliary wheel that is formed at one side of the turbine wheel and an air compressor rotated by being connected to a crankshaft of the engine to generate compressed air. A valve connects between the air compressor and an air tank to transfer the compressed air to the air tank, and transfers, when charging of the air tank is completed, the compressed air to the auxiliary wheel side to increase torque of the turbine wheel.Type: ApplicationFiled: November 29, 2017Publication date: March 28, 2019Inventors: Won Seok Lee, Woo Jin Lee
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Publication number: 20190093549Abstract: A turbocharger includes a wastegate and a turbine housing having a wastegate port. A valve member of the wastegate includes a recess, which defines a gas receiving chamber, into which exhaust gas that has passed through the wastegate port flows when the wastegate port is closed. The inner wall surface of the recess has a guide sidewall located on the outer side of the wastegate port when the wastegate port is closed by the valve member. The guide sidewall includes an inclined surface, which is inclined to approach the center of the gas receiving chamber toward the inlet of the gas receiving chamber.Type: ApplicationFiled: July 26, 2018Publication date: March 28, 2019Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHAInventor: Takahiro SADAMITSU
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Publication number: 20190093550Abstract: A rotating machine includes a rotating body configured to rotate around a central axis, and a casing configured to accommodate at least a part of the rotating body, and the casing, includes a main section made of a metallic material, and a high-porosity section made of the same material as the main section and having a porosity higher than the main section.Type: ApplicationFiled: March 18, 2016Publication date: March 28, 2019Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Takao YOKOYAMA, Hiroshi SUZUKI, Yosuke DAMMOTO, Tadashi KANZAKA, Atsushi TAKITA
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Publication number: 20190093551Abstract: An engine comprises a rotor disposed within a housing having a side wall, a top portion, and a bottom portion. The housing includes at least one energy burst ignition chamber and electrical device that introduces an electric charge into at least one energy burst ignition chamber. The rotor is constructed and arranged to spin within the housing by action of a force. At least one energy burst ignition chamber is constructed and arranged to electrically react with the gas disposed in at least one chamber such that the gas expands and drives the rotor. A control system is used for introducing electric charges into at least one energy burst ignition chamber at a controlled time interval.Type: ApplicationFiled: October 23, 2018Publication date: March 28, 2019Inventor: Olin Dannel Roberts
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Publication number: 20190093552Abstract: Technology is provided for a bilateral engine control system for use on a multi-cylinder opposed piston engine. The system includes first and second sets of injectors, each set mountable on first and second sides of an engine. Each injector is in fluid communication with a corresponding cylinder of the engine. First and second engine control units are each connected to a respective set of injectors. First and second crankshaft speed sensors are connected to respective engine control units. The first engine control unit independently controls the first set of injectors based on a first speed signal and the second engine control unit independently controls the second set of injectors based on a second speed signal. The first engine control unit and the second engine control unit are configured to activate corresponding injectors of the first and second sets of injectors at substantially the same time.Type: ApplicationFiled: November 29, 2018Publication date: March 28, 2019Inventors: Raymond Gosz, Omar Elkolaly
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Publication number: 20190093553Abstract: The engine (10) includes a low spool (16) disposed aft of an air inlet (12) and a high spool (34) disposed aft of the low spool (16). An intake reverse-duct (44) is disposed radially outward of the high spool (34) and reverses direction of low pressure compressed air from the low spool (16) into a forward-flow high pressure compressor (40) of the high spool (34). A discharge reverse-manifold (48) directs flow of an exhaust gas stream (50) from a forward-flow low pressure turbine (20) into a rearward-flow direction and into at least one pulse detonation firing tube (54). An annular bypass air duct (72) directs cooling air along the engine (10)—The at least, one firing tube is positioned radially outward of the high spool (34), overlies the high spool (34) and is also positioned within the bypass air duct (72).Type: ApplicationFiled: September 26, 2018Publication date: March 28, 2019Inventors: Daniel Bernard Kupratis, Francis R. Moon
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Publication number: 20190093554Abstract: A multistage axial compressor includes: a rotational shaft to which a plurality of rotor blades are mounted; a casing surrounding the rotational shaft, the casing forming a flow passage of a working fluid between the rotational shaft and the casing; a wall portion having an annular shape and extending in a circumferential direction of the rotational shaft so as to surround the casing, the wall portion forming an bleed chamber having an annular shape and being in communication with the flow passage; a plurality of port portions connected to an outer peripheral surface of the wall portion, the port portions forming respective outlet flow passages which are in communication with the bleed chamber; and a plurality of bleed pipes connected to the respective port portions.Type: ApplicationFiled: March 3, 2017Publication date: March 28, 2019Applicant: MITSUBISHI HEAVY INDUSTRIES ,LTD.Inventor: Daisuke MORITA