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Небесная энциклопедия

Космические корабли и станции, автоматические КА и методы их проектирования, бортовые комплексы управления, системы и средства жизнеобеспечения, особенности технологии производства ракетно-космических систем

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Мониторинг СМИ

Мониторинг СМИ и социальных сетей. Сканирование интернета, новостных сайтов, специализированных контентных площадок на базе мессенджеров. Гибкие настройки фильтров и первоначальных источников.

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Поддерживает ввод нескольких поисковых фраз (по одной на строку). При поиске обеспечивает поддержку морфологии русского и английского языка
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Применить Всего найдено 24. Отображено 23.
09-05-2017 дата публикации

System, method, and apparatus for thermal management with charge air cooler bypass

Номер: US0009644573B2
Автор: Adrian P. Dale, DALE ADRIAN P, Dale Adrian P.
Принадлежит: Cummins Inc., CUMMINS INC

A system includes an internal combustion engine, an EGR flow path having an EGR cooler path and an EGR cooler bypass path, a turbocharger, a compressed intake flow path, an EGR bypass valve that selectively divides the EGR flow between the EGR cooler path and the EGR cooler bypass path, a charge air cooler bypass valve that reduces an amount of cooling of compressed intake air out of the compression side of the turbocharger, and an aftertreatment component that receives the exhaust stream from the turbine side of the turbocharger. The aftertreatment component requires at least intermittent exhaust stream temperature elevation. The system includes a controller that determines that an exhaust stream temperature elevation request is present, and provides a charge air cooler bypass valve command and an EGR bypass valve command in response to the exhaust stream temperature elevation request.

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Номер записи: 1
05-09-2017 дата публикации

Engine systems and methods for operating an engine

Номер: US0009752537B2
Автор: Adrian P. Dale, Michael D. Dolton, Samuel C. Geckler, James Alexander McEwen, Nicholas Kenneth Sharp, Stephen Edward Garrett, Anthony Kyle Perfetto, DALE ADRIAN P, DOLTON MICHAEL D, GECKLER SAMUEL C, MCEWEN JAMES ALEXANDER, SHARP NICHOLAS KENNETH, GARRETT STEPHEN EDWARD, PERFETTO ANTHONY KYLE, Dale Adrian P., Dolton Michael D., Geckler Samuel C., McEwen James Alexander, Sharp Nicholas Kenneth, Garrett Stephen Edward, Perfetto Anthony Kyle
Принадлежит: Cummins Inc., CUMMINS INC

A unique engine system has an engine with a dedicated exhaust gas recirculation cylinder, an EGR system that receives exhaust gas from the dedicated cylinder, and a turbocharger having turbine inlet ports in fluid communication with other engine cylinders via a plurality of exhaust passages. At least two of the exhaust passages are substantially isolated from each other. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for engines and engine systems.

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Номер записи: 2
28-11-2017 дата публикации

Apparatus, system and method for shaping a valve orifice

Номер: US0009828904B2
Автор: Adrian P. Dale, Vivek A. Sujan, DALE ADRIAN P, SUJAN VIVEK A, Dale Adrian P., Sujan Vivek A.
Принадлежит: Cummins, Inc., CUMMINS IP INC, CUMMINS INC, CUMMINS IP, INC.

An apparatus, system, and method are disclosed for optimizing a valve orifice shape. According to one representative embodiment, a method includes determining a specified relationship between a valve position and an output characteristic, and determining an orifice profile. The method also includes determining a relationship of an orifice area to the output characteristic. Further, the method includes shaping an orifice in a valve based on the orifice profile and the specified relationship between the valve position and the output characteristic. According to the method, the valve should approximately exhibit the specified relationship.

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Номер записи: 3
09-05-2013 дата публикации

SYSTEM, METHOD, AND APPARATUS FOR THERMAL MANAGEMENT WITH CHARGE AIR COOLER BYPASS

Номер: US20130111898A1
Автор: Dale Adrian P.
Принадлежит: Cummins Inc.

A system includes an internal combustion engine, an EGR flow path having an EGR cooler path and an EGR cooler bypass path, a turbocharger, a compressed intake flow path, an EGR bypass valve that selectively divides the EGR flow between the EGR cooler path and the EGR cooler bypass path, a charge air cooler bypass valve that reduces an amount of cooling of compressed intake air out of the compression side of the turbocharger, and an aftertreatment component that receives the exhaust stream from the turbine side of the turbocharger. The aftertreatment component requires at least intermittent exhaust stream temperature elevation. The system includes a controller that determines that an exhaust stream temperature elevation request is present, and provides a charge air cooler bypass valve command and an EGR bypass valve command in response to the exhaust stream temperature elevation request. 1. A system , comprising:an internal combustion engine receiving an intake stream from an intake manifold and delivering an exhaust stream to an exhaust manifold;an EGR flow path fluidly coupling the exhaust manifold to the intake manifold, the EGR flow path including an EGR cooler path and an EGR cooler bypass path;a turbocharger compressing intake air on a compression side and receiving work from the exhaust stream on a turbine side;a compressed intake flow path fluidly coupling the compression side of the turbocharger to the intake manifold;an EGR bypass valve structured to selectively divide the EGR flow between the EGR cooler path and the EGR cooler bypass path;a charge air cooler bypass valve structured to reduce an amount of cooling of compressed intake air out of the compression side of the turbocharger;an aftertreatment component receiving the exhaust stream from the turbine side of the turbocharger, the aftertreatment component requiring at least intermittent exhaust stream temperature elevation; anda controller structured to determine that an exhaust stream temperature ...

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Номер записи: 4
16-01-2020 дата публикации

VACUUM AND COMPRESSION RELEASE BRAKING IN SPARK-IGNITED ENGINES

Номер: US20200018244A1
Автор: Cecil Adam C., Dale Adrian P., Geckler Samuel C., Kolhouse J. Steven, Perfetto Anthony Kyle, Schultz Ryan Edward, Shambhav Anshul, Stroh David J., YONUSHONIS THOMAS M.
Принадлежит:

An internal combustion engine system includes an engine with a plurality of pistons housed in respective ones of a plurality of cylinders, an air intake system to provide air to the plurality of cylinders through respective ones of a plurality of intake valves, an exhaust system to release exhaust gas from the plurality of cylinders through respective one of a plurality of exhaust valves. The internal combustion engine uses vacuum braking and/or compression release braking in response to one or more braking conditions. 1. A method , comprising:operating a spark-ignited internal combustion engine system including an internal combustion engine with a plurality of cylinders that receive an intake flow that is provided to at least a portion of the plurality of cylinders through an open intake throttle;closing the intake throttle to operate in a vacuum braking mode in response to a braking condition; andadjusting at least an exhaust valve opening and closing timing of one or more of the plurality of cylinders to operate in a compression release braking mode in response to the braking condition.2. The method of claim 1 , further comprising opening the intake throttle after closing the intake throttle to transition from the vacuum braking mode to the compression release braking mode.3. The method of claim 1 , wherein the compression release braking mode is initiated in response to an engine braking request.4. The method of claim 3 , wherein the engine braking request is provided by at least one of:a driver input; andan accident avoidance system request.5. The method of claim 1 , further comprising disabling the compression release braking mode in response to one or more of an anti-lock braking event and a weather event.6. The method of claim 1 , further comprising initiating the compression release braking mode to ventilate one or more of the intake manifold claim 1 , a combustion chamber of one or more of the plurality of the cylinders claim 1 , and an aftertreatment ...

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Номер записи: 5
03-03-2022 дата публикации

SYSTEMS AND METHODS FOR LIMITING A DUTY CYCLE OF AN INTERNAL COMBUSTION ENGINE IN A SERIES HYBRID POWERTRAIN FOR IMPROVED TURBOCHARGER EFFICIENCY

Номер: US20220063584A1
Автор: Bare Kristopher R., Dale Adrian P., Jin Xing, Popuri Sriram S.
Принадлежит: Cummins Inc.

A powertrain system includes an engine coupled to a turbocharger and a timer, a motor generator coupled to the engine and a battery, and a controller. The controller is structured to receive data indicative of a state of charge from the battery, determine whether the state of charge is at or below a high predefined threshold, modulate control on the engine and the timer in response to determining the state of charge is above the high predefined threshold, determine whether the state of charge is above a low predefined threshold in response to the state of charge being at or below the high predefined threshold, and modulate control of the engine and the timer in response to determining the state of charge is at or below the low predefined threshold. 1. A powertrain system for a flexible state of charge window , the powertrain system comprising:an engine coupled to a turbocharger and a timer;a motor generator coupled to the engine and a battery; and receive data indicative of a state of charge from the battery;', 'determine whether the state of charge is at or below a high predefined threshold;', 'in response to determining that the state of charge is above the high predefined threshold, modulate control of the engine and the timer;', 'in response to determining that the state of charge is at or below the high predefined threshold, determine whether the state of charge is above a low predefined threshold; and', 'in response to determining that the state of charge is at or below the low predefined threshold, modulate control of the engine and the timer., 'a controller structured to2. The system of claim 1 , wherein the controller is further structured to turn the engine off and reset the timer in response to the state of charge being above the high predefined threshold.3. The system of claim 1 , wherein the controller is further structured to keep the engine on in response to the state of charge being at or below the low predefined threshold.4. The system of claim 1 , ...

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Номер записи: 6
22-02-2018 дата публикации

APPARATUS, SYSTEM, AND METHOD FOR SHAPING A VALVE ORIFICE

Номер: US20180051624A1
Автор: Dale Adrian P., Sujan Vivek A.
Принадлежит: CUMMINS IP, INC.

An apparatus, system, and method are disclosed for optimizing a valve orifice shape. According to one representative embodiment, a method includes determining a specified relationship between a valve position and an output characteristic, and determining an orifice profile. The method also includes determining a relationship of an orifice area to the output characteristic. Further, the method includes shaping an orifice in a valve based on the orifice profile and the specified relationship between the valve position and the output characteristic. According to the method, the valve should approximately exhibit the specified relationship. 17.-. (canceled)8. A system for optimizing a valve for configurable response , the system comprising:an internal combustion engine;a turbocharger; and determining a specified relationship between a desired valve orifice position and a desired output characteristic;', 'determining an orifice profile based on an orifice area for the desired output characteristic; and', 'shaping an orifice in the valve based on the orifice profile, and the specified relationship between the desired valve orifice position and the desired output characteristic, such that the valve exhibits approximately the specified relationship., 'a rotary valve having an optimized orifice profile, wherein the orifice profile is optimized by9. The system of claim 8 , wherein the rotary valve comprises one of a barrel valve and a bypass valve.10. The system of claim 8 , wherein the orifice comprises an orifice in the shape of a best fit triangle.11. The system of claim 8 , wherein the orifice profile is shaped to form an enclosed flow-through passage formed in the rotary valve claim 8 , the enclosed flow-through passage extending from an intake orifice on one side of the rotary valve to an outlet orifice on an opposite side of the rotary valve claim 8 , wherein a cross-sectional shape and size of the enclosed flow-through passage are constant along the entire enclosed ...

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Номер записи: 7
14-05-2020 дата публикации

Cylinder deactivation and variable geometry turbocharger control

Номер: US20200149487A1
Автор: Aaron William Beinborn, Adrian P. Dale, J. Steven Kolhouse, Lyle E. Kocher
Принадлежит: Cummins Inc

Systems, apparatus, and methods are disclosed that include an internal combustion engine having a plurality of cylinders operable to be deactivated while controlling a variable geometry turbocharger in response to the reduced number of active cylinders.

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Номер записи: 8
24-06-2021 дата публикации

CYLINDER DEACTIVATION AND VARIABLE GEOMETRY TURBOCHARGER CONTROL

Номер: US20210189981A1
Автор: Beinborn Aaron William, Dale Adrian P., Kocher Lyle E., Kolhouse J. Steven
Принадлежит:

Systems, apparatus, and methods are disclosed that include an internal combustion engine having a plurality of cylinders operable to be deactivated while controlling a variable geometry turbocharger in response to the reduced number of active cylinders. 120-. (canceled)21. A system comprising:an internal combustion engine for propelling a vehicle, the internal combustion engine including a plurality of cylinders, each of the cylinders including at least one intake valve and at least one exhaust valve;a fueling system connected to each of the plurality of cylinders for providing fuel to the plurality of cylinders; and determine a cylinder deactivation event associated with the at least one cylinder in which the fueling is cut off from the at least one cylinder and at least one of the at least one intake valve and the at least one exhaust valve is closed; and', 'upon initialization of the cylinder deactivation event, cut less than all of the fueling to the at least one cylinder for at least one last cycle before deactivation and the cut all fueling thereafter until cylinder reactivation of the at least one cylinder., 'a controller operably connected with the plurality of cylinders and the fueling system, wherein the controller is configured to22. The system of claim 21 , further comprising a variable geometry turbine (VGT) for receiving an exhaust flow from the plurality of cylinders claim 21 , wherein the VGT is operably connected to the controller.23. The system of claim 22 , wherein the geometry of the VGT is adjusted for at least one of the following: maintain or provide a higher mass air flow through the engine; maintain or provide a higher air-fuel ratio in the cylinders; and maintain or provide a higher turbine output temperature.24. The system of claim 22 , wherein the geometry of the turbine is adjusted by sliding a wall into an exhaust flow path of a turbine of the VGT to reduce an amount of exhaust flow through the exhaust flow path.25. The system of claim ...

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Номер записи: 9
21-05-2020 дата публикации

SYSTEMS AND METHODS FOR ENGINE BRAKE DIAGNOSTICS AND CONTROL

Номер: US20200156613A1
Автор: Cecil Adam C., Dale Adrian P., Geckler Samuel C., Kolhouse J. Steven, Perfetto Anthony K., Schultz Ryan E., Shambav Anshul, Stroh David J., YONUSHONIS THOMAS M.
Принадлежит:

A system for diagnosing engine braking performance of an engine comprising a plurality of cylinders comprises an exhaust manifold pressure sensor configured to detect an exhaust manifold pressure corresponding to exhaust gas emitted from a plurality of cylinders. A controller is configured to determine an exhaust manifold pressure value corresponding to at least one cylinder of the plurality of cylinders that is being used for engine braking, from an exhaust manifold pressure sensor signal received from the exhaust manifold pressure sensor. The controller is also configured to determine an engine braking value based on the exhaust manifold pressure value. 1. A system for diagnosing and controlling engine braking performance of an engine comprising a plurality of cylinders , the system comprising:an exhaust manifold pressure sensor configured to detect an exhaust manifold pressure corresponding to exhaust gas emitted from the plurality of cylinders; and determine an exhaust manifold pressure value corresponding to at least one cylinder of the plurality of cylinders that is being used for engine braking from an exhaust manifold pressure sensor signal received from the exhaust manifold pressure sensor; and', 'determine an engine braking value based on the exhaust manifold pressure value., 'a controller configured to2. The system of claim 1 , wherein the controller is further configured to:adjust the engine braking value based on the exhaust manifold pressure value.3. The system of claim 1 , wherein the controller is further configured to:in response to determining that the measured exhaust manifold pressure value is less than a target exhaust manifold pressure value, determine that the engine braking value is less than a target engine braking value; andadjust at least one of an intake throttle, an intake cam phaser or an exhaust cam phaser associated with the engine, an exhaust valve associated with the at least one cylinder, or a waste gate associated with a ...

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Номер записи: 10
30-10-2014 дата публикации

Apparatus, System and Method for Shaping a Valve Orifice

Номер: US20140319397A1
Автор: Dale Adrian P., Sujan Vivek A.
Принадлежит:

An apparatus, system, and method are disclosed for optimizing a valve orifice shape. According to one representative embodiment, a method includes determining a specified relationship between a valve position and an output characteristic, and determining an orifice profile. The method also includes determining a relationship of an orifice area to the output characteristic. Further, the method includes shaping an orifice in a valve based on the orifice profile and the specified relationship between the valve position and the output characteristic. According to the method, the valve should approximately exhibit the specified relationship. 1. An apparatus for optimizing an orifice shape , the apparatus comprising:a specified relationship module configured to determine a specified relationship between a valve orifice position and an output characteristic;an orifice profile module configured to produce an orifice profile for the specified relationship; andan orifice shaping module configured to produce an orifice shape based on the orifice profile and the specified relationship.2. The apparatus of claim 1 , wherein the specified relationship comprises a linear relationship between a rate of fluid flow through a valve and a valve position.3. The apparatus of claim 2 , wherein the valve includes a rotary valve claim 2 , and wherein the valve position includes a rotated position.4. The apparatus of claim 1 , wherein the specified relationship comprises a linear relationship between a change in a position of a rotary valve and a change in the output characteristic.5. The apparatus of claim 1 , wherein the specified relationship comprises a linear relationship between an accumulated area under a torque-speed map and a valve position.6. The apparatus of claim 1 , wherein the orifice shaping module is configured to produce an orifice profile including a best-fit triangular approximation.7. The apparatus of claim 1 , wherein the orifice profile is shaped to form an enclosed flow ...

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Номер записи: 11
03-12-2015 дата публикации

ENGINE SYSTEMS AND METHODS FOR OPERATING AN ENGINE

Номер: US20150345433A1
Автор: Dale Adrian P., Dolton Michael D., Garrett Stephen Edward, Geckler Samuel C., McEwen James Alexander, Perfetto Anthony Kyle, Sharp Nicholas Kenneth
Принадлежит:

A unique engine system has an engine with a dedicated exhaust gas recirculation cylinder, an EGR system that receives exhaust gas from the dedicated cylinder, and a turbocharger having turbine inlet ports in fluid communication with other engine cylinders via a plurality of exhaust passages. At least two of the exhaust passages are substantially isolated from each other. Other embodiments include apparatuses, systems, devices, hardware, methods, and combinations for engines and engine systems. 1. An engine system , comprising:an internal combustion piston engine having a plurality of combustion cylinders, at least a first cylinder of which is a dedicated exhaust gas recirculation (EGR) cylinder;an EGR system operative to receive exhaust gas from the engine and direct at least a portion of the exhaust gas to the plurality of combustion cylinders for intake during engine operation;a turbocharger having a turbine with a plurality of inlet ports to the turbine, wherein the inlet ports are adjacent to the turbine and are spaced apart from each along the turbine;a plurality of exhaust passages, including:a first exhaust passage fluidly coupling the dedicated EGR cylinder with the EGR system and operative to supply exhaust gases from the dedicated EGR cylinder to the EGR system;a second exhaust passage fluidly coupling a second cylinder of the plurality of combustion cylinders to a first inlet port of the plurality of inlet ports of the turbine; anda third exhaust passage fluidly coupling a third cylinder of the plurality of combustion cylinders to a second inlet port of the plurality of inlet ports of the turbine.2. The engine system of claim 1 , wherein the second and third exhaust passages are structured to separate pressure events originating in the second cylinder from pressure events originating in the third cylinder.3. The engine system of claim 1 , wherein the third exhaust passage also fluidly couples a fourth cylinder of the plurality of combustion cylinders to ...

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Номер записи: 12
30-12-2021 дата публикации

Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques

Номер: WO2021262418A1
Автор: Adrian P. Dale, Brian S. BOWER, J. Steven Kolhouse
Принадлежит: Cummins Inc.

Catalytic coatings and techniques for applying the catalytic coatings may be utilized in connection with a number of engine system components including fuel injectors components, exhaust gas recirculation (EGR) valve components, EGR cooler components, piston components, spark plugs, engine valves (intake valves and exhaust valves), engine valve seats, oxygen sensors, NOx sensors, and particulate sensors.

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Номер записи: 13
18-05-2021 дата публикации

Vacuum and compression release braking in spark-ignited engines

Номер: US11008952B2
Автор: Adam C. Cecil, Adrian P. Dale, Anshul Shambhav, Anthony Kyle Perfetto, David J. Stroh, J. Steven Kolhouse, Ryan Edward Schultz, Samuel C. Geckler, Thomas M. Yonushonis
Принадлежит: Cummins Inc

An internal combustion engine system includes an engine with a plurality of pistons housed in respective ones of a plurality of cylinders, an air intake system to provide air to the plurality of cylinders through respective ones of a plurality of intake valves, an exhaust system to release exhaust gas from the plurality of cylinders through respective one of a plurality of exhaust valves. The internal combustion engine uses vacuum braking and/or compression release braking in response to one or more braking conditions.

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Номер записи: 14
26-07-2022 дата публикации

Systems and methods for engine brake diagnostics and control

Номер: US11396284B2
Автор: Adam C. Cecil, Adrian P. Dale, Anshul Shambav, Anthony K. Perfetto, David J. Stroh, J. Steven Kolhouse, Ryan E. Schultz, Samuel C. Geckler, Thomas M. Yonushonis
Принадлежит: Cummins Inc

A system for diagnosing engine braking performance of an engine comprising a plurality of cylinders comprises an exhaust manifold pressure sensor configured to detect an exhaust manifold pressure corresponding to exhaust gas emitted from a plurality of cylinders. A controller is configured to determine an exhaust manifold pressure value corresponding to at least one cylinder of the plurality of cylinders that is being used for engine braking, from an exhaust manifold pressure sensor signal received from the exhaust manifold pressure sensor. The controller is also configured to determine an engine braking value based on the exhaust manifold pressure value.

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Номер записи: 15
28-09-2010 дата публикации

System and method for controlling a flow of intake air entering an internal combustion engine

Номер: US7805235B2
Автор: Adrian P. Dale, Jeffrey A. Matthews, Morgan Andreae, Vivek A. Sujan
Принадлежит: Cummins Inc

A system and method are provided for controlling a flow of intake air entering an internal combustion engine. At least some of the intake air is diverted away from the engine in response to detection of a first operating condition that is indicative of a minimum engine fueling rate. A second operating condition that is indicative of a flow rate of the intake air entering the engine is monitored, and diverting at least some of the intake air away from the engine is discontinued if the second operating condition indicates that the flow rate of the intake air entering the engine is within a threshold value of a target flow rate.

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Номер записи: 16
08-10-2009 дата публикации

Apparatus, system, and method for utilizing a diesel after treatment device between the high pressure and low pressure turbine stages of a two-stage turbocharging system

Номер: WO2009091835A3
Автор: Adrian P. Dale, Jeffrey Matthews
Принадлежит: Cummins, Inc.

An apparatus, system, and method are disclosed for utilizing a diesel aftertreatment device (112) between the high pressure (110) and low pressure turbine stages (116) of a two-stage turbocharging system (100). The diesel aftertreatment device is connected in series between the high pressure turbine and the low pressure turbine such that the diesel aftertreatment device receives inflow from the high pressure turbine and provides outflow (114) to the low pressure turbine. A bypass mechanism (106) is provided such that at low engine speeds or loads, engine exhaust (104) flows through the high pressure turbine as well as the diesel aftertreatment device, but at high engine speeds or loads, the high pressure turbine and diesel aftertreatment device are bypassed, thereby allowing the engine (102) to operate more efficiently while still effectively removing pollutants from the engine exhaust.

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Номер записи: 17
11-11-2021 дата публикации

Exhaust gas recirculation flow control for reducing emissions with variable displacement internal combustion engines

Номер: WO2021225668A1
Автор: Adrian P. Dale, Avra Brahma, J. Steven Kolhouse, Louis J. Serrano, Vijay Srinivasan, Xiaoping CAI
Принадлежит: Cummins Inc., TULA TECHNOLOGY, INC.

Managing firing fraction transitions of a variable displacement internal combustion engines by (a) avoiding transport delays in an Exhaust Gas Recirculation (EGR) feed by starting movement of an EGR valve position after a decision to transition to a new firing fraction has been made, but prior to the start of the transition and (b) adjusting the EGR valve as needed during the transition so as to maintain an EGR fraction within a predetermined range during the transition. By performing both (a) and (b), spikes of nitrous oxide (NO x ) and/or hydrocarbon emissions are reduced or altogether eliminated during the transition.

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Номер записи: 18
28-11-2023 дата публикации

Engine intake air system including CAC bypass and separate bypass heater, and high-efficiency spark-ignited direct injection liquid propane engine architectures including same

Номер: US11828252B2
Автор: Adrian P. Dale, Anthony Kyle Perfetto, Daniel J. Mohr, David J. Stroh, J. Steven Kolhouse, Leon A. LaPointe, Robin J. Bremmer, Ryan Edward Schultz, Samuel C. Geckler
Принадлежит: Cummins Inc

An intake air circuit is structured to transmit intake air from a turbocharger compressor to an intake manifold of an engine. A charge air cooler (“CAC”), a bypass line, and a bypass heater are each positioned along the intake air circuit in parallel with each other. A first control valve is structured to controllably divert the intake air around the CAC. A second control valve is structured to controllably divert the intake air around at least one of the bypass line and the bypass heater. A controller operatively coupled to each of the engine, and the first and second control valves is structured to control each of the first and second control valves to cause the intake air to flow along a determined desired flow path based on each of measured ambient temperature and measured engine load.

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Номер записи: 19
11-11-2021 дата публикации

Exhaust gas recirculation flow control for reducing emissions with variable displacement internal combustion engines

Номер: US20210348573A1
Автор: Adrian P. Dale, Avra Brahma, J. Steven Kolhouse, Louis J. Serrano, Vijay Srinivasan, Xiaoping CAI
Принадлежит: Cummins Inc, Tula Technology Inc

Managing firing fraction transitions of a variable displacement internal combustion engines by (a) avoiding transport delays in an Exhaust Gas Recirculation (EGR) feed by starting movement of an EGR valve position after a decision to transition to a new firing fraction has been made, but prior to the start of the transition and (b) adjusting the EGR valve as needed during the transition so as to maintain an EGR fraction within a predetermined range during the transition. By performing both (a) and (b), spikes of nitrous oxide (NOx) and/or hydrocarbon emissions are reduced or altogether eliminated during the transition.

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Номер записи: 20
23-07-2009 дата публикации

Apparatus, system, and method for utilizing a diesel after treatment device between the high pressure and low pressure turbine stages of a two-stage turbocharging system

Номер: WO2009091835A2
Автор: Adrian P. Dale, Jeffrey Matthews
Принадлежит: Cummins, Inc.

An apparatus, system, and method are disclosed for utilizing a diesel aftertreatment device (112) between the high pressure (110) and low pressure turbine stages (116) of a two-stage turbocharging system (100). The diesel aftertreatment device is connected in series between the high pressure turbine and the low pressure turbine such that the diesel aftertreatment device receives inflow from the high pressure turbine and provides outflow (114) to the low pressure turbine. A bypass mechanism (106) is provided such that at low engine speeds or loads, engine exhaust (104) flows through the high pressure turbine as well as the diesel aftertreatment device, but at high engine speeds or loads, the high pressure turbine and diesel aftertreatment device are bypassed, thereby allowing the engine (102) to operate more efficiently while still effectively removing pollutants from the engine exhaust.

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Номер записи: 21
10-12-2009 дата публикации

Apparatus, system, and method for utilizing a diesel after treatment device between the high pressure and low pressure turbine stages of a two-stage turbocharging system

Номер: WO2009091835A4
Автор: Adrian P. Dale, Jeffrey Matthews
Принадлежит: Cummins, Inc.

An apparatus, system, and method are disclosed for utilizing a diesel aftertreatment device (112) between the high pressure (110) and low pressure turbine stages (116) of a two-stage turbocharging system (100). The diesel aftertreatment device is connected in series between the high pressure turbine and the low pressure turbine such that the diesel aftertreatment device receives inflow from the high pressure turbine and provides outflow (114) to the low pressure turbine. A bypass mechanism (106) is provided such that at low engine speeds or loads, engine exhaust (104) flows through the high pressure turbine as well as the diesel aftertreatment device, but at high engine speeds or loads, the high pressure turbine and diesel aftertreatment device are bypassed, thereby allowing the engine (102) to operate more efficiently while still effectively removing pollutants from the engine exhaust.

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Номер записи: 22
30-03-2023 дата публикации

Engine system components including catalytic coatings and related apparatuses, methods, systems, and techniques

Номер: US20230095003A1
Автор: Adrian P. Dale, Brian S. BOWER, J. Steven Kolhouse
Принадлежит: Cummins Inc

Catalytic coatings and techniques for applying the catalytic coatings may be utilized in connection with a number of engine system components including fuel injectors components, exhaust gas recirculation (EGR) valve components, EGR cooler components, piston components, spark plugs, engine valves (intake valves and exhaust valves), engine valve seats, oxygen sensors, NOx sensors, and particulate sensors.

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Номер записи: 23