公开(公告)号：US11702977B2

公开(公告)日：2023-07-18

申请号：US17526055

申请日：2021-11-15

Applicant: VOLVO TRUCK CORPORATION

Inventor： Arne Andersson ,  Albert Serra Dalmau

IPC: F02B37/04 ,  F02M26/35 ,  F02M26/08 ,  F02M26/22 ,  F02B43/10 ,  F02B41/06 ,  F02B33/06 ,  F02B75/02

CPC classification number: F02B37/04 ,  F02B33/06 ,  F02B41/06 ,  F02B43/10 ,  F02M26/08 ,  F02M26/22 ,  F02M26/35 ,  F02B2075/027

Abstract: An internal combustion engine includes

a four-stroke combustion cylinder assembly configured for combustion of hydrogen gas within at least one combustion chamber of the combustion cylinder assembly such as to drive a crankshaft of the engine,
an intake passage upstream of the cylinder assembly and an exhaust passage downstream of the cylinder assembly;
a displacement compressor arranged within the intake passage, the displacement compressor being configured for compression of intake gas,
an exhaust gas recirculation system configured for recirculating at least a portion of the exhaust from the exhaust passage to the displacement compressor.

公开(公告)号：US20180347484A1

公开(公告)日：2018-12-06

申请号：US16043321

申请日：2018-07-24

Applicant: General Electric Company

Inventor： Shrinivas Govind ,  Jayesh Jain ,  Pushkar Haresh Sheth

IPC: F02D41/00 ,  F02M26/24 ,  F02M26/32 ,  F02M35/10 ,  F02M26/08 ,  F02D41/14

CPC classification number: F02D41/0052 ,  F02D41/0065 ,  F02D41/144 ,  F02D2041/0067 ,  F02D2200/021 ,  F02M26/08 ,  F02M26/24 ,  F02M26/32 ,  F02M35/10222 ,  Y02T10/47

Abstract: Various systems and methods are provided for exhaust gas recirculation. In one example, an exhaust gas recirculation (EGR) system includes an EGR passage coupling an engine exhaust system to an engine intake system, a first EGR cooler positioned in the EGR passage, the first EGR cooler configured to cool EGR with a first fluid, and a second EGR cooler positioned in the EGR passage downstream of the first EGR cooler, the second EGR cooler configured to cool EGR with a second fluid.

公开(公告)号：US20180334968A1

公开(公告)日：2018-11-22

申请号：US15964522

申请日：2018-04-27

Applicant: Mazda Motor Corporation

Inventor： Naotoshi Shirahashi ,  Tsunehiro Mori ,  Takeshi Matsubara ,  Takeshi Inazumi ,  Keisuke Kawahara

IPC: F02D1/06

CPC classification number: F02D1/06 ,  F02B37/004 ,  F02B37/013 ,  F02D35/023 ,  F02D35/025 ,  F02D35/027 ,  F02D41/1438 ,  F02D41/1454 ,  F02D41/402 ,  F02D41/403 ,  F02D41/405 ,  F02D2041/389 ,  F02D2200/0618 ,  F02D2200/1002 ,  F02D2200/101 ,  F02D2200/703 ,  F02M26/05 ,  F02M26/08

Abstract: A method of controlling a fuel injection of a diesel engine for performing a plurality of fuel injections to cause a plurality of combustions inside a cylinder in one combustion cycle, is provided, which includes acquiring an oxygen concentration inside the cylinder, performing, on compression stroke, the plurality of fuel injections at substantially even injection intervals while increasing the injection intervals as the oxygen concentration decreases, and performing, after the plurality of fuel injections, another fuel injection including a larger injection amount than in the plurality of fuel injections, near a top dead center of the compression stroke.

公开(公告)号：US10012153B2

公开(公告)日：2018-07-03

申请号：US14561892

申请日：2014-12-05

Applicant: General Electric Company

Inventor： Manthram Sivasubramaniam ,  Manoj Gokhale ,  Venkateswarlu Andra ,  Ankur Sinha ,  Sanketh Bhat ,  Luke Henry ,  James Robert Mischler ,  Greg Thomas Polkus

IPC: F02D41/00 ,  F02D41/10 ,  F02B37/00 ,  F02B37/12 ,  F02B29/04 ,  F02M26/08 ,  F02M26/43 ,  F02M26/28 ,  F02D23/00 ,  F02D41/18

CPC classification number: F02D23/00 ,  F02B29/0412 ,  F02B29/0437 ,  F02B37/004 ,  F02B37/162 ,  F02D41/0007 ,  F02D41/0052 ,  F02D41/0072 ,  F02D41/10 ,  F02D41/18 ,  F02M26/08 ,  F02M26/28 ,  F02M26/43 ,  Y02T10/144 ,  Y02T10/47

Abstract: A method for controlling an engine includes the steps of, in response to a transient operating event, determining a first amount of exhaust gas recirculation (EGR) that if provided to an intake of the engine would avoid turbocharger compressor surge in a turbocharger, determining a second amount of EGR that if provided to the intake would avoid turbocharger compressor choke in the turbocharger, and determining a third amount of EGR that if provided to the intake would avoid engine smoking, and adjusting EGR provided to the intake of the engine in accordance with the determined first, second, and third amounts.

公开(公告)号：US20180066610A1

公开(公告)日：2018-03-08

申请号：US15257414

申请日：2016-09-06

Applicant: BorgWarner Inc.

Inventor： DAVID B. ROTH

IPC: F02M26/08 ,  F02B37/00 ,  F02B37/013 ,  F02M26/34 ,  F02M26/43

CPC classification number: F02M26/08 ,  F02B37/001 ,  F02B37/013 ,  F02M26/34 ,  F02M26/43 ,  Y02T10/144

Abstract: A product may include an engine that may have a set of cylinders with one cylinder that may deliver a first stream of exhaust gases to a first conduit and other cylinders that may deliver a second stream of exhaust gases to a second conduit. An intake system may supply the set of cylinders with a combustion air. First and second turbochargers may be provided wherein the combustion air may be charged in the intake system through first and second compressors. The first stream of exhaust gases from the one cylinder may be routed through the first turbine.

公开(公告)号：US09903320B2

公开(公告)日：2018-02-27

申请号：US15031427

申请日：2014-11-10

Applicant: TOYOTA JIDOSHA KABUSHIKI KAISHA

Inventor： Yusuke Takasu

IPC: F02D41/00 ,  F02M26/34 ,  F02M26/50 ,  F02B37/16 ,  F02B37/18 ,  F02M26/04 ,  F02D41/26 ,  F02B37/10 ,  F02D41/12 ,  F02B37/04 ,  F02B39/10 ,  F02M26/03 ,  F02M26/08 ,  F02M26/35

CPC classification number: F02M26/50 ,  F02B37/04 ,  F02B37/10 ,  F02B37/16 ,  F02B37/183 ,  F02B39/10 ,  F02D41/0005 ,  F02D41/0007 ,  F02D41/0055 ,  F02D41/0065 ,  F02D41/0077 ,  F02D41/123 ,  F02D41/26 ,  F02M26/03 ,  F02M26/04 ,  F02M26/08 ,  F02M26/34 ,  F02M26/35 ,  Y02T10/144 ,  Y02T10/42 ,  Y02T10/47

Abstract: A control system is applied to an internal combustion engine. The internal combustion engine includes an electric compressor provided in an intake passage, a bypass passage which bypasses the electric compressor, a low pressure EGR passage which connects a section of the intake passage, which is positioned upstream more than the electric compressor, and an exhaust passage, and a low pressure EGR valve provided in the low pressure EGR passage. An ECU, when a predetermined pressure accumulation condition where a gas flow rate of a specific place of the intake passage has become equal to or less than a predetermined amount, is satisfied, first executes a pressure accumulation control where the bypass valve is closed and the electric compressor is activated, and then, when an opening condition is satisfied during an execution of the pressure accumulation control, opens the low pressure EGR valve and opens the bypass valve.

公开(公告)号：US20180051639A1

公开(公告)日：2018-02-22

申请号：US15243880

申请日：2016-08-22

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Yue-Yun Wang ,  Ibrahim Haskara ,  Giuseppe Conte

IPC: F02D41/00 ,  F02D41/26 ,  F02B37/04 ,  F02B37/12 ,  F02M26/08

CPC classification number: F02D41/0007 ,  F02B37/04 ,  F02B37/12 ,  F02B37/16 ,  F02B37/162 ,  F02B37/24 ,  F02B39/10 ,  F02D41/005 ,  F02D41/0065 ,  F02D41/0072 ,  F02D41/1401 ,  F02D2041/141 ,  F02D2041/142 ,  F02D2041/143 ,  F02D2200/0406 ,  F02M26/05 ,  F02M26/06 ,  F02M26/08 ,  Y02T10/144 ,  Y02T10/47

Abstract: A two-stage air charging system for an internal combustion engine with mixed exhaust gas recirculation includes a high pressure exhaust gas recirculation loop, a low pressure exhaust gas recirculation loop, an air throttle system, a turbo air charging system, and an electric air charging system. A method to control the system includes monitoring desired operating target commands and operating parameters. Feedback control signals are determined based upon the monitored desired operating target commands and the monitored operating parameters. The two-stage air charging system is controlled based on system control commands for each of the high pressure exhaust gas recirculation loop, the low pressure exhaust gas recirculation loop, the air throttle system, the turbo air charging system and the electric air charging system.

公开(公告)号：US09890695B2

公开(公告)日：2018-02-13

申请号：US13249843

申请日：2011-09-30

Applicant: Adam Edgar Klingbeil

Inventor： Adam Edgar Klingbeil

IPC: F02B33/44 ,  F02B37/007 ,  F02D23/00 ,  F02D41/00 ,  F02B47/08 ,  F02M43/00 ,  F02B37/00 ,  F02B37/04 ,  F02M26/43 ,  F02M26/08 ,  F02M26/23 ,  F02M26/01

CPC classification number: F02B37/007 ,  F02B37/001 ,  F02B37/04 ,  F02B47/08 ,  F02D23/00 ,  F02D41/0007 ,  F02D41/005 ,  F02D2400/04 ,  F02D2400/11 ,  F02M26/01 ,  F02M26/08 ,  F02M26/23 ,  F02M26/43 ,  F02M43/00 ,  Y02T10/144 ,  Y02T10/47

Abstract: A method of operating a reciprocating engine comprises recirculating exhaust gas from a first cylinder of the engine to an intake stream or air-fuel mixture of a second cylinder of the engine such that a boost pressure of the first cylinder is greater than a boost pressure of the second cylinder. An engine retrofit system and two-cycle engine employing aspects of the method are also disclosed. The present invention has been described in terms of specific embodiment(s), and it is recognized that equivalents, alternatives, and modifications, aside from those expressly stated, are possible and within the scope of the appending claims.

公开(公告)号：US09803590B2

公开(公告)日：2017-10-31

申请号：US13774319

申请日：2013-02-22

Applicant: Ford Global Technologies, LLC

Inventor： Ross Dykstra Pursifull ,  Imad Hassan Makki ,  Timothy Joseph Clark ,  Michael James Uhrich ,  Pankaj Kumar

IPC: F02D41/22 ,  F02M25/022 ,  F02M35/10 ,  F02M26/46 ,  F02M26/49 ,  F28D21/00 ,  F02M35/16 ,  F02M25/06 ,  F02D41/14 ,  F02M26/06 ,  F02M26/08 ,  F02M26/10

CPC classification number: F02M25/0221 ,  F02D41/222 ,  F02D2041/1472 ,  F02D2200/0418 ,  F02M25/06 ,  F02M26/06 ,  F02M26/08 ,  F02M26/10 ,  F02M26/46 ,  F02M26/49 ,  F02M35/10393 ,  F02M35/168 ,  F28D2021/0085 ,  Y02T10/16 ,  Y02T10/40

Abstract: Embodiments for diagnosing a humidity sensor are provided. One example method comprises, responsive to a humidity sensor test cycle, pumping air conditioning and windshield washer gas flows past a humidity sensor, and indicating humidity sensor degradation based on a response of the humidity sensor to the air conditioning and windshield washer gas flows. In this way, degradation of the humidity sensor may be indicated if the humidity sensed by the humidity sensor does not change responsive to the humidity sensor test cycle being initiated.

公开(公告)号：US09797343B2

公开(公告)日：2017-10-24

申请号：US14075787

申请日：2013-11-08

Applicant: Ford Global Technologies, LLC

Inventor： Gopichandra Surnilla ,  Daniel Joseph Styles ,  James Alfred Hilditch ,  Imtiaz Ali ,  Freeman Carter Gates

IPC: F02M25/07 ,  F02D41/00 ,  F02D41/14 ,  F02M26/49 ,  F02M26/08 ,  F02M26/45

CPC classification number: F02M26/08 ,  F02D41/0055 ,  F02D41/0072 ,  F02D41/144 ,  F02D2041/0067 ,  F02M26/45 ,  F02M26/49 ,  Y02T10/47

Abstract: Methods and systems are provided for determining degradation of an EGR cooler based on differential pressure across the EGR cooler during EGR flow. In one example, the differential pressure across the EGR cooler may be based on differential pressure across an EGR valve and a pressure downstream from the EGR valve with and without EGR flow. The pressure downstream from the EGR valve may be a compressor inlet pressure or an intake manifold pressure in a low pressure EGR system or high pressure EGR system, respectively.