Patents Issued in December 20, 2018
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Publication number: 20180363499Abstract: A shroud assembly for a gas turbine engine includes a shroud support and a plurality of shroud segments that are attached to the shroud support. The shroud segment includes an internal cooling passage.Type: ApplicationFiled: February 20, 2018Publication date: December 20, 2018Applicant: HONEYWELL INTERNATIONAL INC.Inventors: Jason Smoke, Kent L. Kime, Blake Petersen, Luke Zurmehly
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Publication number: 20180363500Abstract: A number of variations may include an outer race (12) having a first inner circumferential surface defining a first passage, a first inner race (18) defining a second passage and a second inner race (22) defining a third passage wherein the first inner race and second inner race may be disposed within the first passage and may include a first plurality of ball bearings disposed at a first contact angle between the first inner race and the outer race and a second plurality of ball bearings disposed at a second contact angle between the second inner race and the outer race and where the outer race may include a first outer circumferential surface defining at least a first oil jet constructed and arranged to provide lubricant to the first plurality of ball bearings and at least a second oil jet constructed and arranged to provide lubricant to the second plurality of ball bearings.Type: ApplicationFiled: November 22, 2016Publication date: December 20, 2018Inventor: Christian C. LONGACRE
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Publication number: 20180363501Abstract: A turbocharger includes: a rotating shaft which extends along an axis; a turbine wheel which is provided on one end side of the rotating shaft; a compressor wheel which is provided on the other end side of the rotating shaft; a rolling bearing which includes an inner race fixed to an outer circumferential surface of the rotating shaft, an outer race surrounding the inner race from an outside in a radial direction, and rolling bodies arranged between the inner race and the outer race and rotatably supports the rotating shaft around the axis; a housing which covers the rolling bearing from an outer circumferential side with a gap between the housing and an outer circumferential surface of the rolling bearing; and a plurality of lubricating oil supply lines through which lubricating oil is supplied to different locations in the housing at different state quantities.Type: ApplicationFiled: December 4, 2015Publication date: December 20, 2018Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Yoshitomo NODA, Motoki EBISU, Hiroshi SUZUKI
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Publication number: 20180363502Abstract: Retention assemblies and retention assembly cooling methods are provided. An exemplary retention assembly comprises an annular baffle, an annular attachment bracket comprising a gas turbine engine component, and first and second cooling passages defined by the baffle and attachment bracket. The first cooling passage is configured to receive a first airflow and the second cooling passage is configured to receive a second airflow. The first airflow has a lower pressure than the second airflow. An exemplary method comprises flowing a first airflow to a first cooling passage defined by a baffle and an attachment bracket of a retention assembly, and flowing a second airflow to a second cooling passage defined by the baffle and the attachment bracket. The second cooling passage is separate from the first cooling passage. The first airflow cools radially outward structures of the retention assembly, and the attachment bracket comprises a CMC component.Type: ApplicationFiled: June 16, 2017Publication date: December 20, 2018Inventor: Aaron Michael Dziech
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Publication number: 20180363503Abstract: A shroud dampening pin is disclosed including a shaft, a dampening portion at a first end of the shaft, and a cap at a second end of the shaft. The dampening portion includes a bevel having a bevel angle and a contact surface. A turbine shroud assembly is disclosed, including an inner shroud, an outer shroud, the shroud dampening pin, and a biasing apparatus. The outer shroud includes a channel extending from an aperture adjacent to the inner shroud at a channel angle from the aperture. The shroud dampening pin is disposed within the channel. The dampening portion extends through the aperture with the contact surface contacting the inner shroud. The biasing apparatus contacts the cap and provides a biasing force to the inner shroud through the contact surface. The bevel angle is about the same as the channel angle, and the contact surface is about parallel to the aperture.Type: ApplicationFiled: June 15, 2017Publication date: December 20, 2018Inventors: Glenn Curtis TAXACHER, Herbert Chidsey ROBERTS, III, Randall GILL
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Publication number: 20180363504Abstract: An anti-rotation shroud dampening pin is disclosed including a shaft, an anti-rotation dampening tip at a first end of the shaft, and a cap at a second end of the shaft. The anti-rotation dampening tip includes a pin non-circular cross-section. A turbine shroud assembly is disclosed, including an inner shroud, an outer shroud, the anti-rotation shroud dampening pin, and a biasing apparatus. The inner shroud includes an anti-rotation depression having a depression non-circular cross-section. The outer shroud includes a channel extending from an aperture adjacent to the inner shroud. The anti-rotation shroud dampening pin is disposed within the channel and in contact with the inner shroud, and extends through the aperture into the anti-rotation depression. The biasing apparatus contacts the cap and provides a biasing force to the inner shroud through the anti-rotation dampening tip. The pin non-circular cross-section mates non-rotatably into the depression non-circular cross-section.Type: ApplicationFiled: June 15, 2017Publication date: December 20, 2018Inventors: Glenn Curtis TAXACHER, John McConnell DELVAUX, Matthew Troy HAFNER
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Publication number: 20180363505Abstract: Component retention assemblies and flowpath assemblies are provided. An exemplary retention assembly comprises a flange attached to a support structure, a retention ring received in a flange groove, and an attachment bracket comprising a component of a gas turbine engine. A first segment of the attachment bracket is axially disposed between the flange and a support structure first portion, and a second segment of the attachment bracket is radially disposed between the flange and a support structure second portion. The flange axially loads and the retention ring radially loads the attachment bracket into the support structure. An exemplary flowpath assembly comprises a retention assembly including a flange attached to a casing, a retention ring, and a CMC attachment bracket comprising a plurality of CMC components. The flange axially loads the attachment bracket into an axial stop, and the retention ring radially loads the attachment bracket into the casing.Type: ApplicationFiled: June 16, 2017Publication date: December 20, 2018Inventor: Aaron Michael Dziech
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Publication number: 20180363506Abstract: A turbine ring assembly includes ring sectors made of ceramic matrix composite material forming a turbine ring, and a ring support structure having first and second annular flanges, each ring sector having tabs. The first tab includes an annular groove in which there is received an annular projection of the first flange. The second tab of each ring sector is connected to the ring support structure by a resilient retention element. The second tab includes an opening in which there is received a portion of a retention element secured to the second annular flange of the ring support structure. The retention element is made of a material having a coefficient of thermal expansion that is greater than the coefficient of thermal expansion of the ceramic matrix composite material of the ring sectors.Type: ApplicationFiled: December 12, 2016Publication date: December 20, 2018Inventors: Thierry TESSON, Maxime CARLIN, Jordan CARON
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Publication number: 20180363507Abstract: A turbine ring assembly includes ring sectors forming a turbine ring, and a ring support structure having two annular flanges, each ring sector having a portion forming an annular base with an inner face defining the inside face of the turbine ring and an outer face from which there project at least two tabs, the tabs being retained between the two annular flanges. Each tab of the ring sectors includes a projecting portion on its face situated facing one of the two annular flanges, this projecting portion co-operating with a housing present in the annular flange. Each tab of the ring sectors includes an opening in which there is received a portion of a retention element secured to the annular flange situated facing the tab. The retention element is made of a material having a thermal expansion coefficient that is greater than that of the material of the ring sectors.Type: ApplicationFiled: December 14, 2016Publication date: December 20, 2018Inventors: Clément ROUSSILLE, Thierry TESSON
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Publication number: 20180363508Abstract: A turbine component including an outer shroud arranged within a turbine and including opposed extending portions. An inner shroud shields the outer shroud from a gas flowing along a gas path within the turbine during its operation and including opposed first and second arcuate portions extending around and in direct contact with a corresponding extending portion of the outer shroud. A first pin and second pin have a respective first end and second end. The first arcuate portion having a first engagement region for engaging the first end, and second arcuate portion having a second engagement region for engaging the second end. In response to engagement of the first engagement region and the first end of the first pin, and engagement of the second engagement region and the second end of the second pin, the inner shroud is prevented from twisting relative to the outer shroud.Type: ApplicationFiled: June 15, 2017Publication date: December 20, 2018Inventors: Matthew Troy HAFNER, Frederic Woodrow ROBERTS, JR., Glenn Curtis TAXACHER
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Publication number: 20180363509Abstract: A turbine component assembly is disclosed, including a first component, a second component, and a circumferentially oriented flat spring. The first component is arranged to be disposed adjacent to a hot gas path, and includes a ceramic matrix composite composition. The second component is adjacent to the first component and arranged to be disposed distal from the hot gas path across the first component. The circumferentially oriented flat spring is disposed on and directly contacting the second component and directly contacting and supporting the first component as a compliant contact interface between the first component and the second component. The circumferentially oriented flat spring provides a radial spring compliance between the first component and the second component.Type: ApplicationFiled: June 15, 2017Publication date: December 20, 2018Inventors: Glenn Curtis TAXACHER, John McConnell DELVAUX, Matthew Troy HAFNER
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Publication number: 20180363510Abstract: A turbine component assembly is disclosed, including a first component, a second component, and a cantilever spring. The first component is arranged to be disposed adjacent to a hot gas path, and includes a ceramic matrix composite composition. The second component is adjacent to the first component and arranged to be disposed distal from the hot gas path across the first component. The cantilever spring is attached directly to the second component as a compliant contact interface between the first component and the second component. The cantilever spring provides a radial spring compliance between the first component and the second component. During operation, the cantilever spring directly contacts and supports the first component.Type: ApplicationFiled: June 15, 2017Publication date: December 20, 2018Inventors: Glenn Curtis TAXACHER, John McConnell DELVAUX, Matthew Troy HAFNER
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Publication number: 20180363511Abstract: A turning device includes: a driving source; a main drive gear rotationally driven by the driving source; a driven gear that engages with the main drive gear and is rotated integrally with a rotated body, wherein the turning device rotationally drives the driving source to rotate the rotated body; a movement mechanism that causes the main drive gear to reciprocate in an axial direction between a separated position at which engagement of the main drive gear and the driven gear is released and an engaged position at which the main drive gear engages with the driven gear; a forward rotation mechanism that intermittently rotates the main drive gear; and a reverse rotation mechanism that intermittently rotates the main drive gear in a direction opposite to a direction by the forward rotation mechanism.Type: ApplicationFiled: February 10, 2016Publication date: December 20, 2018Applicant: MITSUBISHI HEAVY INDUSTRIES COMPRESSOR CORPORATIONInventor: Yuichi SASAKI
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Publication number: 20180363512Abstract: A valve timing change device includes: a housing rotor (10); a vane rotor; a fastening bolt (40); and an advance angle oil passage communicating with an advance angle chamber and a delay angle oil passage communicating with a delay angle chamber, via oil passages which are open at intervals on an outer-circumferential surface of the fastening bolt. The vane rotor includes: a rotor body (20) formed of a material having a thermal expansion coefficient greater than that of the fastening bolt; and a rotor sleeve (30) that is formed of a material having a thermal expansion coefficient equal to that of the fastening bolt and is integrally incorporated such that the rotor sleeve does not contact a cam shaft and tightly contacts the outer circumferential surface (41a), in a region in which the advance angle oil passage (23a) and the delay angle oil passage (35) are blocked from each other.Type: ApplicationFiled: December 26, 2016Publication date: December 20, 2018Applicant: MIKUNI CORPORATIONInventors: Takahiro OGURA, Chikara OIKAWA
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Publication number: 20180363513Abstract: An engine roller lifter for use in a leak-valvetrain of an internal combustion engine includes a body, a roller and an anti-rotation plug. The body includes an outer peripheral surface configured for sliding movement in a bore provided in the engine. The bore is supplied oil by an oil passage communicating therewith. The body defines an opening. The roller bearing is rotatably mounted to the body and is configured for rolling contact with an engine camshaft. The anti-rotation plug is received at the opening and has a plug body including an anti-rotation protrusion that extends radially beyond an outer peripheral surface of the plug body. The anti-rotation plug can be staked into the opening of the body.Type: ApplicationFiled: August 17, 2018Publication date: December 20, 2018Applicant: Eaton Intelligent Power LimitedInventors: Leighton Roberts, Kevin Matson, Douglas Wright, James E. McCarthy, JR., Matthew Vance, Otto Schultheis
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Publication number: 20180363514Abstract: An oil control valve for a cam phaser of an internal combustion engine where the spool is positioned by an external actuator. The pressure enters the end of the oil control valve where the resultant pressure force is balanced by the differential area of the spool. The spool contains two plate check valves enabling cam torque recirculation of oil from A to B or B to A depending upon the spool position. In mid position, the spool lands block A and B to hold the cam phaser position. Three or five positions may be utilized.Type: ApplicationFiled: December 4, 2017Publication date: December 20, 2018Inventor: Daniel Stanhope
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Publication number: 20180363515Abstract: An actuator for a cam phaser, the cam phaser including a hydraulic valve that is adjustable by the actuator, wherein the actuator is receivable at a housing section of a component that receives the cam phaser, wherein the actuator includes a retaining element and a housing with functionally relevant components, wherein the actuator is attached by the retaining element at the housing section, wherein the retaining element is configured separate from the housing, wherein safe positioning of the actuator at the housing section is provided by a section of the retaining element that supports the actuator at the housing section in a direction of an axial orientation of the actuator, and wherein a housing cover of the housing is at least partially arranged between the section of the retaining element and the housing section.Type: ApplicationFiled: June 19, 2018Publication date: December 20, 2018Inventors: Daniel Stanhope, Brent Brower
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Publication number: 20180363516Abstract: A camless valve control system for an internal combustion engine, includes a hydraulic pump, with a rotating shaft timed to the operation of the engine and a hydraulic actuator configured to selectively open and close one of an intake valve and an exhaust valve of the engine. The hydraulic actuator includes a rotating cylindrical pump body and one or more control rings with holes channeling the flow of the hydraulic control fluid to affect the selective opening and closing of the one of the intake value and the exhaust valve. The pump body includes a cylindrical center portion configured to receive torque from the hydraulic pump and at least one channel providing a flow of hydraulic control fluid from the pump.Type: ApplicationFiled: March 9, 2018Publication date: December 20, 2018Inventor: James Henry Yager
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Publication number: 20180363517Abstract: A variable valve train (1) of a combustion engine for applying a load on two equally acting gas exchange valves (2, 3) for each cylinder of the combustion engine is provided, including a switchable valve train element (4, 5) with an outer part and an inner part ((6, 7), (8, 9)) that can move relative to each other allocated to each of the two gas exchange valves (2, 3). The outer and inner parts ((6, 7), (8, 9)) are selectively connectable to each other by an associated coupling slide mechanism (10, 11). The valve train (1) further includes a control shaft (12), on which a control cam (13, 14) is applied for each coupling slide mechanism (10, 11), and the control cams contact an outer end face (15, 16) of the respective coupling slide mechanisms (10, 11) for displacement thereof in one direction, and the two control cams (13, 14) can rotate separately from each other on the common control shaft (12).Type: ApplicationFiled: May 30, 2018Publication date: December 20, 2018Applicant: Schaeffler Technologies AG & Co. KGInventors: Wolfgang Christgen, Volker Schmidt, Matthias Becker
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Publication number: 20180363518Abstract: A valve train assembly includes valves having a valve stem; a main camshaft having main cams corresponding to the valves; main rocker arms corresponding to the valves; an auxiliary cam arranged on the main camshaft; at an auxiliary cam follower following the auxiliary cam, the auxiliary cam follower being movably arranged on a main rocker arm between a first and second position; and a latch on a main rocker arm for locking the auxiliary cam follower in the first position. A rotatable control rod controlling the latch is between the first and the second positions. The control rod includes a transmission element configured to convert torque in the control rod into a control force to control movement of the latch.Type: ApplicationFiled: December 5, 2016Publication date: December 20, 2018Inventors: Emanuele RAIMONDI, Nicola ANDRISANI, Gennaro BUONOCORE
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Publication number: 20180363519Abstract: A switching rocker arm includes an inner arm, an outer arm pivotably secured to the inner arm and having a latch bore, and a latch pin configured for insertion into the latch bore. The latch pin includes a first portion having a first diameter, and a second portion having a second diameter. The second portion is eccentric to the first portion. The latch pin is selectively movable between a first position where the latch pin does not contact the inner arm, and a second position wherein the latch pin contacts the inner arm.Type: ApplicationFiled: June 18, 2018Publication date: December 20, 2018Applicant: Eaton CorporationInventors: Andrei Radulescu, Dale A. Stretch, Michael J. Guzak, Lynell D. Johncock
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Publication number: 20180363520Abstract: A valve assembly selectively varies the timing of the valves in an internal combustion engine cycle by way of a first and second camshaft. Each valve has a shuttle portion and a valve portion. Upper and lower cam followers on the shuttle portion engage with first and second cams on each of the first and second camshafts to move the valve between an open and closed position with reference to a valve seat on an engine block.Type: ApplicationFiled: December 9, 2016Publication date: December 20, 2018Inventor: John David Jeffery
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Publication number: 20180363521Abstract: An oil pan assembly for a vehicle engine includes an oil pan having a sectioned base, a sidewall, and a peripheral flange operatively configured to be coupled to an engine block; and a plurality of openings in the oil pan operatively configured to attach the oil plan to an engine block via a plurality of corresponding fasteners.Type: ApplicationFiled: June 14, 2017Publication date: December 20, 2018Inventors: Valter Biasin, Tiberiu Vasilcin, Giuseppe Credo
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Publication number: 20180363522Abstract: The invention refers to the use of lubricants in a mounting mat, wherein the mounting mat is made for mounting a pollution control element into a housing, to reduce the cold peak pressure or compression of the mounting mat, the mounting mat comprising: a non-woven mat of inorganic fibers, wherein the lubricants are distributed in the mat, and wherein the lubricants belong to a group consisting of: saturated hydrocarbons (linear and/or branched and/or cyclic, olefinically unsaturated hydrocarbons (linear and/or branched and/or cyclic), fatty alcohols and fatty acids (linear and/or branched and saturated and/or olefinically unsaturated), carboxylic acid esters carbonic acid esters and/or silicone oils and/or organofunctional silanes, silioxanes.Type: ApplicationFiled: August 23, 2018Publication date: December 20, 2018Inventor: Claus Middendorf
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Publication number: 20180363523Abstract: The present disclosure relates to porous ceramic materials and porous ceramic articles, including honeycomb structure bodies and porous ceramic filters comprised of plugged honeycomb bodies. In various embodiments, a particulate filter is disclosed herein, such as suitable as a gasoline particulate filter (GPF) for use with a gasoline engine and treating its exhaust, and/or such as a diesel particulate filter (DPF) suitable for use with a diesel engine and treating its exhaust.Type: ApplicationFiled: December 7, 2016Publication date: December 20, 2018Inventors: Roychelle Sheneen Ingram-Ogunwumi, Christopher Lane Kerr, Dell Joseph St Julien, Lutz Franz Thomas Kercher, Douglas Richaerd Wing
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Publication number: 20180363524Abstract: A urea SCR system includes a tank that stores urea water, an injector that injects urea water to exhaust gas, a connection passage that connects the tank and the injector, an electric pump that is arranged at the connection passage and delivers urea water from the tank toward the injector or from the injector toward the tank, and a control device that controls the electric pump and the injector. The control device executes a suction-back operation for driving the electric pump so that urea water contained in the injector is suctioned back to the tank. Further, the control device determines whether or not the injector is stuck closed.Type: ApplicationFiled: June 7, 2018Publication date: December 20, 2018Inventors: Makoto KIMURA, Yugo YOSHIOKA
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Publication number: 20180363525Abstract: A tank system for a reducing agent includes: a vessel storing the reducing agent and having: an upper vessel wall, lateral vessel walls, a lower vessel wall forming a vessel base, a base region of the vessel having an opening, and an outer side of the vessel; and a conveying device on the outer side of the vessel that provides the reducing agent under pressure via an outlet to an exhaust gas. The conveying device with the outer side of the vessel forms a space S outside the vessel, the space S, via the opening, is connected to an interior of the vessel allowing reducing agent to flow from the interior into the space S and, by the conveying device, is suppliable from the space S to the exhaust gas and suctionable from the space S. A support is provided on the opening.Type: ApplicationFiled: December 7, 2016Publication date: December 20, 2018Inventor: Rolf BRĂśCK
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Publication number: 20180363526Abstract: An internal combustion engine system includes a compressor arranged to compress air, at least one combustor, at least one of the at least one combustor being arranged to receive the compressed air, and an exhaust treatment device arranged to process exhaust gases produced by at least one of the at least one combustor, a heat exchanger arranged to receive the compressed air from the compressor before it reaches the at least one of the at least one combustor, and wherein the heat exchanger is arranged to transfer heat from the compressed air to the exhaust treatment device.Type: ApplicationFiled: December 14, 2015Publication date: December 20, 2018Applicant: VOLVO TRUCK CORPORATIONInventors: Lennart ANDERSSON, Arne ANDERSSON, Bengt JOHANSSON, Nhut LAM, Staffan LUNDGREN
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Publication number: 20180363527Abstract: The present disclosure provides a method of treating a diesel exhaust system that includes heating a reagent to a temperature such that at least a portion of the reagent is heated to a gaseous phase, injecting the reagent into a diesel exhaust stream upstream of a catalyst, and reacting the diesel exhaust with the heated reagent over the catalyst to convert NOx into N2 and H2O. The heating modulates a mass flow rate of the reagent by converting a state of matter of the reagent at least partially to the gaseous phase prior to or after being injected, and the heated reagent in the gaseous form reduces deposit formations within the diesel exhaust system.Type: ApplicationFiled: June 15, 2018Publication date: December 20, 2018Applicant: Watlow Electric Manufacturing CompanyInventors: Mark Denis Everly, Paul Douglas Free, Jeffrey R. Diestelmeier, Andrew D. Selvy
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Publication number: 20180363528Abstract: A method of recovering selective catalytic reduction catalysts relates to metal-Zeolite based catalysts. A selective catalytic reduction catalyst service event where a metal-Zeolite based selective catalytic reduction catalyst of an exhaust aftertreatment system may perform below a threshold level of performance is determined. The selective catalytic reduction catalyst then exposed to a recovery fluid selected to facilitate movement of metal ions.Type: ApplicationFiled: December 27, 2016Publication date: December 20, 2018Applicant: CUMMINS INC.Inventors: Jinyong Luo, Ashok Kumar, Krishna Kamasamudram, Neal W. Currier, Aleksey Yezerets, Yadan Tang, Michael J. Cunningham, Di Wang
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Publication number: 20180363529Abstract: In a selective catalytic reductant dosing system including a reductant injector adapted to inject liquid reductant into an exhaust line, a method of analyzing flow of reductant through the injector includes determining a measure of the temperature of the injector prior to activation of the injector. The method also includes activating the injector and determining a measure of the temperature of the injector subsequent to activation of the injector. The method also includes analyzing the flow of reductant through the injector consequential to the activation by analyzing changes in the measure of temperature of the injector prior to activation and the measure of temperature of the injector subsequent to activation.Type: ApplicationFiled: December 6, 2016Publication date: December 20, 2018Inventors: Martin A. P. Sykes, Simon R. Panteny
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Publication number: 20180363530Abstract: A reductant dosing unit is disclosed, including a fluid injector having a fluid inlet and a fluid outlet. A flange is disposed proximal to the fluid outlet of the fluid injector and configured to secure to a boss associated with an exhaust path of an internal combustion engine. The flange has a largely flat body portion with a through-bore in fluid communication with the fluid outlet of the fluid injector. The flange further includes an extension which extends from the body portion toward the fluid injector and which is connected to thereto. A thermal isolator is disposed between the fluid outlet of the fluid injector and the flange. The connection between the extension of the flange and the fluid injector includes a hermetic seal, preventing exhaust gases in the exhaust path from passing between the flange extension and the fluid injector. The thermal isolator is only used as a support and thermal isolator.Type: ApplicationFiled: June 13, 2018Publication date: December 20, 2018Applicant: Continental Automotive Systems, Inc.Inventors: Christopher Michael Caulkins, Keith Aaron Shaw
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Publication number: 20180363531Abstract: A tank system for a reducing agent includes: a vessel storing the reducing agent and having: an upper vessel wall, lateral vessel walls, a lower vessel wall forming a base of the vessel, a base region of the vessel having at least one opening, and an outer side of the vessel; and a conveying device, arranged on the outer side of the vessel, that provides the reducing agent under pressure to exhaust gas. The conveying device is disposed on the outer side of the vessel such that the conveying device, with the outer side of the vessel, forms a space S outside the vessel. The space S, by the at least one opening, is connected to the vessel interior allowing the reducing agent to flow from the interior of the vessel into the space S and is suppliable by the conveying device from the space S to the exhaust gas.Type: ApplicationFiled: December 7, 2016Publication date: December 20, 2018Inventor: Rolf BRĂśCK
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Publication number: 20180363532Abstract: The exhaust gas system includes a catalytic converter having an inlet and an outlet, a primary exhaust pipe, an exhaust nozzle and a secondary exhaust pipe. The primary exhaust pipe includes a proximate end and a distal end. The primary exhaust pipe may be affixed to the outlet of the catalytic converter at the proximate end of the primary exhaust pipe. The secondary exhaust pipe may be coupled to the distal end of the primary exhaust pipe via the exhaust nozzle. The exhaust nozzle includes a body region which is integral to a frustoconical defined region. The body region of the exhaust nozzle may be engaged to the distal end of the primary exhaust pipe. The frustoconical defined region of the exhaust nozzle may be engaged to the secondary exhaust pipe.Type: ApplicationFiled: June 15, 2017Publication date: December 20, 2018Inventors: Anil Yadav, Prashant Kumar Mishra, Nikhil Undale
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Publication number: 20180363533Abstract: Methods and systems are provided related to an emissions control system. The emissions control system has an exhaust after-treatment system defining a plurality of distinct exhaust flow passages through which at least a portion of an exhaust stream can flow, e.g., the exhaust stream is produced by an engine. The emissions control system also includes a controller for controlling injection of reductant into the exhaust stream flowing through each of the flow passages. In one example, the emissions control system is configured for use in a vehicle, such as a locomotive or other rail vehicle.Type: ApplicationFiled: August 8, 2018Publication date: December 20, 2018Inventors: Jessica Lynn Plummer, Gail Leroy Detar, Shashi Kiran, Shridhar Shrikant Kulkarni, Lawrence Heverley, III
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Publication number: 20180363534Abstract: A method for asynchronously delivering a reductant to a first selective catalytic reduction system and a second selective catalytic reduction system of an aftertreatment system via a reductant insertion assembly, the reductant insertion assembly comprising a first injector fluidly coupled to the first selective catalytic reduction system and a second injector fluidly coupled to the second selective catalytic reduction system, the method including: activating the first injector; maintaining the first injector activated for a first delivery time, thereby inserting a first amount of reductant into the first selective catalytic reduction system; deactivating the first injector; activating the second injector; and maintaining the second injector activated for a second delivery time, thereby inserting a second amount of reductant into the second selective catalytic reduction system.Type: ApplicationFiled: August 23, 2018Publication date: December 20, 2018Applicant: CUMMINS EMISSION SOLUTIONS INC.Inventor: Nassim Khaled
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Publication number: 20180363535Abstract: An internal combustion engine system includes at least one combustor, a compressor arranged to compress air, an air guide arranged to guide compressed air from the compressor to at least one of the at least one combustor, an expander arranged to expand exhaust gases from at least one of the at least one combustor and to extract energy from the expanded exhaust gases, and an exhaust guide arranged to guide exhaust gases from at least one of the at least one combustor to the expander, wherein the exhaust guide is at least partly integrated with the air guide.Type: ApplicationFiled: December 14, 2015Publication date: December 20, 2018Applicant: VOLVO TRUCK CORPORATIONInventors: Lennart ANDERSSON, Arne ANDERSSON, Bengt JOHANSSON, Nhut LAM, Staffan LUNDGREN
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Publication number: 20180363536Abstract: A system and method including a non-metallic shell to prevent debris from contacting a component of an exhaust system is disclosed. The shell may be formed from silicone. The shell may also form part of an assembly including a metallic corrugated body, which may be positioned between two pipe sections of the exhaust system. The shell may be separate from an exhaust coupler and be secured separately to the two pipe sections connected to the exhaust coupler.Type: ApplicationFiled: June 15, 2018Publication date: December 20, 2018Applicant: TRU-FLEX, LLCInventors: Michael L. SMITH, Scott R. SWANK
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Publication number: 20180363537Abstract: A piston cooling jet includes a first body and a second body. The first body includes a housing having an inlet fluidly coupled with nozzle outlets. The second body is coupled to the first body to form an interior chamber disposed inside the first body and the second body. The interior chamber is fluidly coupled with the inlet and the nozzle outlets. The interior chamber directs fluid received via the inlet through the nozzle outlets and out of the piston cooling jet assembly in a direction towards a spray target.Type: ApplicationFiled: June 5, 2018Publication date: December 20, 2018Applicant: Illinois Tool Works Inc.Inventors: Dennis Mark, Joseph Kuhn
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Publication number: 20180363538Abstract: A method for controlling a cooling system delivering coolant to a heat exchanger (18) in a vehicle (1). During operating conditions when a thermostat (6) in the cooling system is in the partly open position, the method comprises the steps of estimating a desired cooling temperature (T) of a medium in the heat exchanger (18), calculating the coolant flow rate ({dot over (m)}1) through a radiator (7b) and the coolant flow rate ({dot over (m)}2) through a radiator bypass line (9), calculating am coolant flow rate ({dot over (m)}3) and coolant temperature (t3) combination at 10 at which the medium in the heat exchanger (18) is cooled to a desired temperature (T), adjusting the flow regulating mechanism (23) such that coolant at the selected flow rate ({dot over (m)}3) and temperature (t3) combination is directed to the heat exchanger (18).Type: ApplicationFiled: January 11, 2017Publication date: December 20, 2018Inventors: Zoltan KARDOS, Ola HALL
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Publication number: 20180363539Abstract: Methods and systems are provided for purging a pre-chamber. In one example, a system is provided with a combustion chamber formed by a cylinder head coupled to a cylinder block and a pre-chamber in fluidic communication with the combustion chamber. The system is also provided with a purge port coupled to the pre-chamber and structured to flow purge air into the pre-chamber, where the flow of the purge air is driven by operation a purge pump and a piston disposed within the combustion chamber.Type: ApplicationFiled: June 14, 2017Publication date: December 20, 2018Inventors: Michael Howard Shelby, Brad Alan VanDerWege
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Publication number: 20180363540Abstract: A method of operating an engine assembly receiving fuel, including admitting atmospheric air at a temperature T1 through an inlet of a compressor having a pressure ratio of PRGT, compressing the air in the compressor, cooling the compressed air from the compressor through an intercooler to cool the air from a temperature TBIC to a temperature TAIC, delivering the cooled compressed air from the intercooler to an inlet of an intermittent internal combustion engine having an effective volumetric compression ratio rVC, and further compressing the air in the intermittent internal combustion engine before igniting the fuel, where (PRGT)a (rVC)b (TAIC/TBIC)(T1/TA)<1. An engine assembly is also discussed.Type: ApplicationFiled: June 15, 2017Publication date: December 20, 2018Inventors: Andre JULIEN, Edwin SCHULZ, Michael LANKTREE, Serge DUSSAULT
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Publication number: 20180363541Abstract: A surge avoidance control method of avoiding surging in an exhaust turbocharger which comprises a turbine rotated by exhaust gas from an engine and a compressor rotatably driven by the turbine, by controlling an opening degree of an operation device capable of adjusting an operation point of the compressor between fully open and fully closed, includes: a surge detection step of determining whether the operation point of the compressor is positioned in a surge operation region at each predetermined timing; a surge avoidance opening-degree calculation step of calculating a surge avoidance opening degree of the operation device necessary for moving the operation point of the compressor determined to be positioned in the surge operation region in the surge detection step out of the surge operation region; a correction opening-degree calculation step of calculating a correction opening degree of the operation device on the basis of a moving velocity of the operation point of the compressor which is determined to bType: ApplicationFiled: March 8, 2016Publication date: December 20, 2018Applicant: MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.Inventors: Ryo SASE, Naoki YAHATA
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Publication number: 20180363542Abstract: The present invention refers to a system, a method and a device to optimize the efficiency of the combustion of gases for the production of clean energy comprising a magnetic nucleus (30) and inlet and outlet ducts (41a, 42a), the inlet and outlet ducts (41a, 42a) being configured to receive gases, the gases alternately establishing flows between the inlet ducts (41a) and the outlet ducts (42a) and vice-versa, the magnetic nucleus (30) being configured to generate and to expose the gases within the inlet and outlet ducts (41a, 42a) to magnetic fields (35), the alternation of flows between the inlet and outlet ducts (41a, 42a) and the exposure to magnetic fields (35) promoting acceleration of the hydrogen atoms and ions of oxygen and argon, promoting the reduction of the radii of the orbits of the electrons of the hydrogen around their nuclei and provoking the release of potential energy of the electrons and corresponding increase of the kinetic energy of the nuclei of the gas molecules, in such a way to optimType: ApplicationFiled: November 30, 2016Publication date: December 20, 2018Inventor: Marcelo Fernando Pimentel
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Publication number: 20180363543Abstract: The embodiments described herein are directed a device for conditioning gas comprising an inlet for receiving fuel. The device includes an injector for injecting an oxygen source into the fuel, a heating component for heating the fuel, a conditioner unit, and a cooling component. The device further comprises an outlet for feeding conditioned gas into an engine. The embodiments are also directed to a method for conditioning gas.Type: ApplicationFiled: August 27, 2018Publication date: December 20, 2018Inventors: Shazam WILLIAMS, Linjie HU, Rajesh PARMAR, John MUTER
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Publication number: 20180363544Abstract: An engine accessory assembly includes a common shaft and at least two axially aligned engine accessories drivingly connected to the common shaft. The at least two axially aligned engine accessories may be an alternator, a motor generator unit, a vacuum pump, a transmission oil pump, an engine oil pump or a water pump. In an example embodiment, the common shaft includes a spline and the at least two axially aligned engine accessories are drivingly engaged with the spline.Type: ApplicationFiled: September 29, 2015Publication date: December 20, 2018Applicant: Schaeffler Technologies AG & Co. KGInventors: Ralph Zanzig, Jeffrey Hemphill, Kevin Parks, Chris Luipold, Philip George
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Publication number: 20180363545Abstract: An internal combustion engine, includes: an engine main body; a structural member disposed around the engine main body; a bracket including a support plate and a plurality of leg pieces depending from the support plate and connected to the structural member; a turbocharger including a turbine and a compressor, the turbine being connected to a side of the support plate opposite to the structural member; an exhaust pipe connected to a central part of the turbine and extending in a direction away from the compressor; and an engine auxiliary disposed between the structural member and the support plate, wherein the leg pieces are arranged unevenly to provide a higher heat shielding performance on a side of the exhaust pipe than on a side of the compressor with respect to the support plate.Type: ApplicationFiled: May 22, 2018Publication date: December 20, 2018Inventors: Yutaka HIGO, Noritaka SEKIYA, Soichiro NOMOTO
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Publication number: 20180363546Abstract: The invention relates to a reciprocating-piston machine, in particular an internal combustion engine, comprising at least one length-adjustable connecting rod (1) connected to a crank pin (21) of a crankshaft (26), wherein the connecting rod (1) comprises at least one length-adjustment mechanism (6) and at least one electrically switchable and inductively actuatable control valve (7).Type: ApplicationFiled: December 14, 2016Publication date: December 20, 2018Inventor: Mario THEISSL
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Publication number: 20180363547Abstract: An object of the present invention is to provide a novel piston stroke adjustment apparatus for an internal combustion engine that can increase a temperature of an air-fuel mixture during a compression stroke to thus improve and stabilize combustion and also can prevent or cut down a reduction in a temperature of exhaust gas during an expansion stroke at the time of a start of the internal combustion engine. According to one aspect of the present invention, the piston stroke adjustment apparatus increases a mechanical compression ratio during the compression stroke to thus increase the temperature of the air-fuel mixture at a compression top dead center, and reduces a mechanical expansion ratio during the expansion stroke to thus prevent or cut down the reduction in the temperature of the exhaust gas at an expansion bottom dead center, at the time of the start of the internal combustion engine.Type: ApplicationFiled: December 1, 2016Publication date: December 20, 2018Applicant: HITACHI AUTOMOTIVE SYSTEMS, LTD.Inventors: Makoto NAKAMURA, Masahiro SHOJI
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Publication number: 20180363548Abstract: An internal combustion engine; wherein at least two cylinders continuously communicate via the cylinder head; and wherein the connecting rod in one cylinder is offset from the connecting rod in the second cylinder by a first angle between 8 and 12 degrees as measured from the crankshaft, and a camshaft having a second offset of one-half of the first angle offset.Type: ApplicationFiled: July 9, 2018Publication date: December 20, 2018Inventors: Allen Cocanougher, Robert Allen Cocanougher, SR., Robert Allen Cocanougher, JR.