公开(公告)号：US09689335B2

公开(公告)日：2017-06-27

申请号：US14696991

申请日：2015-04-27

Applicant: Caterpillar Inc.

Inventor： Xinyu Ge

IPC: F02D41/18 ,  F02D41/00 ,  F02D41/10 ,  F02D41/14 ,  F02D41/22 ,  F02D23/02 ,  F02D13/02 ,  F02M26/05

CPC classification number: F02D41/18 ,  F02D13/0219 ,  F02D23/02 ,  F02D41/0007 ,  F02D41/107 ,  F02D41/1454 ,  F02D41/222 ,  F02D2200/0402 ,  F02D2200/0404 ,  F02D2200/0406 ,  F02M26/05 ,  Y02T10/144

Abstract: A system and method for determining an engine mass air flow (MAF) for use in an engine air to fuel ratio (AFR) calculation to operate an engine includes monitoring engine operation, determining in the electronic controller a first estimation of engine MAF based on a regression model, determining in the electronic controller a second estimation of engine MAF based on a flow model, and selecting the first or second estimation of engine MAF based on an operating state of the engine. Each estimation can use various engine parameters interchangeably to provide a robust system against sensor failures.

公开(公告)号：US09689326B2

公开(公告)日：2017-06-27

申请号：US14730881

申请日：2015-06-04

Applicant: Hyundai America Technical Center, Inc. ,  Hyundai Motor Company ,  Kia Motors Corporation

Inventor： Nayan Engineer

IPC: F02D41/00 ,  F02M26/20 ,  F02M26/28 ,  F02M26/41 ,  F02M26/42 ,  F02B27/04 ,  F02M26/05

CPC classification number: F02D41/006 ,  F02M26/05 ,  F02M26/20 ,  F02M26/28 ,  F02M26/41 ,  F02M26/42

Abstract: The present disclosure provides for a vehicle engine having an EGR system where pairs of cylinders are directly connected to each other. For example, a first and second cylinder may be operably connected by a valve actuator where a high energy, blowdown exhaust gas from the first cylinder may flow through a first flow path directly from the first cylinder to the second cylinder. Likewise, during the firing stroke of the second cylinder, a high-energy, blowdown exhaust gas may flow from the second cylinder through a second flow path directly into the first cylinder. This arrangement may pair cylinders to take advantage of high-energy exhaust gas.

公开(公告)号：US20170159619A1

公开(公告)日：2017-06-08

申请号：US15321265

申请日：2015-06-26

Applicant: Valeo Systemes de Controle Moteur

Inventor： Pierre-Julian Angelot ,  Sylvain Decoster ,  Youssef Ismail

IPC: F02M26/34 ,  F02B39/10 ,  F01N5/04 ,  F02B37/10 ,  F02M26/05 ,  F02M26/22

CPC classification number: F02M26/34 ,  F01N5/04 ,  F02B37/04 ,  F02B37/10 ,  F02B39/10 ,  F02M26/05 ,  F02M26/21 ,  F02M26/22 ,  Y02T10/144 ,  Y02T10/16

Abstract: The invention relates to an engine system (10) comprising a circuit (21) for the recirculation of burnt gases from a heat engine (17) equipped with a turbocharger (13, 19), in which the recirculation circuit (21) comprises am energy recovery turbine (30) receiving high-pressure exhaust gases upstream of the turbocharger.

公开(公告)号：US09638131B2

公开(公告)日：2017-05-02

申请号：US14498181

申请日：2014-09-26

Applicant: Caterpillar Inc.

Inventor： Chad Koci ,  Steven C. Zoz ,  Jonathan Anders ,  Kenth I. Svensson

IPC: F02F1/18 ,  F02F1/24 ,  F02B23/06 ,  F02M26/05

CPC classification number: F02F1/242 ,  F02B23/0651 ,  F02B23/0672 ,  F02F1/18 ,  F02M26/05 ,  Y02T10/125

Abstract: An internal combustion engine includes a cylinder case forming a cylinder bore having a centerline and an inner bore surface. A piston disposed within the cylinder bore forms a crown surface. A region defined between the piston and the cylinder bore in a radial direction has an annularly shaped mouth opening surrounding the crown surface. A cylinder head is disposed to cover an open end of the cylinder bore such that a variable volume is defined within the cylinder bore between the cylinder head and the piston. The cylinder head also forms a flame deck in fluid contact with the variable volume. A deflector structure forms a portion of the inner bore surface adjacent the flame deck surface, and is disposed between the flame deck and a topmost ring seal groove of the piston when the piston is at a TDC position.

公开(公告)号：US09636973B2

公开(公告)日：2017-05-02

申请号：US15226826

申请日：2016-08-02

Applicant: Ford Global Technologies, LLC

Inventor： Ross Dykstra Pursifull

IPC: F02M25/07 ,  F01N5/02 ,  B60H1/20 ,  F02D9/04 ,  F02D21/08 ,  F02D41/00 ,  F02M26/05 ,  F02M26/06 ,  F02M26/10 ,  F02M26/27 ,  F02M26/24 ,  F02M26/44 ,  F02M26/07 ,  F02M26/30 ,  F01N11/00 ,  F01P3/20 ,  F02P5/15 ,  F02M26/47

CPC classification number: B60H1/20 ,  F01N5/02 ,  F01N11/002 ,  F01N2550/02 ,  F01P3/20 ,  F01P2060/08 ,  F02D9/04 ,  F02D21/08 ,  F02D41/0065 ,  F02D41/0077 ,  F02D2200/0802 ,  F02D2700/04 ,  F02M26/05 ,  F02M26/06 ,  F02M26/07 ,  F02M26/10 ,  F02M26/24 ,  F02M26/27 ,  F02M26/30 ,  F02M26/44 ,  F02M26/47 ,  F02N2200/0804 ,  F02P5/15 ,  Y02T10/47

Abstract: Embodiments for heating a vehicle cabin are disclosed. In one example, a method for heating a vehicle cabin comprises closing an exhaust throttle while diverting at least a portion of throttled exhaust gas through an exhaust gas recirculation (EGR) cooler coupled upstream of the throttle, and transferring heat from the EGR cooler to a heater core configured to provide heat to the vehicle cabin. In this way, exhaust heat may be directly routed to the cabin heating system.

公开(公告)号：US09624874B2

公开(公告)日：2017-04-18

申请号：US14654754

申请日：2013-12-09

Applicant: Doosan Infracore Co., Ltd.

Inventor： Ji Hoon Lim

IPC: F02M25/00 ,  F02M25/07 ,  F02D41/00 ,  F02M26/16 ,  F02M26/05 ,  F02M26/06 ,  F02M26/15 ,  F02M26/25 ,  F02M26/24 ,  F02D21/08 ,  F02B37/00

CPC classification number: F02M26/15 ,  F01N3/2066 ,  F01N2610/02 ,  F02B37/00 ,  F02D21/08 ,  F02D41/005 ,  F02D2021/083 ,  F02M26/04 ,  F02M26/05 ,  F02M26/06 ,  F02M26/16 ,  F02M26/22 ,  F02M26/24 ,  F02M26/25 ,  Y02T10/144 ,  Y02T10/47

Abstract: An exhaust gas recirculation apparatus including an engine; a suction line; an exhaust line; a post-processing unit which is disposed in the exhaust line to reduce hazardous substances contained in the exhaust gas; a first circulation line which guides a part of the exhaust gas, which is guided to the exhaust line, to the suction line; a second circulation line which guides a part of the exhaust gas, which is guided to a downstream side of the post-processing unit, to the suction line; and a bypass line which branches off from an upstream side of the second circulation line, and merges with a downstream side of the second circulation line, wherein ammonia slip, which is discharged from the post-processing unit, is prevented from being guided to the suction line.

公开(公告)号：US20170037817A1

公开(公告)日：2017-02-09

申请号：US15296556

申请日：2016-10-18

Applicant: General Electric Company

Inventor： Vijayaselvan Jayakar ,  Amit Kumar Sharma ,  Jennifer Anne Lachapelle ,  Trideep Singh

IPC: F02M26/43 ,  F02M35/10 ,  F02B75/20 ,  F02D41/00 ,  F02M26/01 ,  F02M35/12 ,  F02M26/22 ,  F02M26/05 ,  F02M26/17 ,  F02D13/02

Abstract: Various methods and systems are provided for reducing cylinder-to-cylinder variation in exhaust gas recirculation. In one embodiment, a system comprises a first cylinder group of an engine having a first number of cylinders, a second cylinder group of the engine having a second number of cylinders that is not an integer multiple of the first number of cylinders, and an exhaust system coupled to the first cylinder group and the second cylinder group. In at least one mode of operation, the exhaust system has exhaust ports of the first cylinder group fluidly coupled to an intake of the engine and exhaust ports of the second cylinder group fluidly decoupled from the intake.

Abstract translation: 提供了各种方法和系统，用于减少废气再循环中的缸到缸的变化。 在一个实施例中，系统包括具有第一数量的气缸的发动机的第一气缸组，具有不是第一气缸数的整数倍的第二数量气缸的发动机的第二气缸组，以及排气 耦合到第一气缸组和第二气缸组的系统。 在至少一种操作模式中，排气系统具有流体地联接到发动机的进气口的第一气缸组的排气口和与进气口流体分离的第二气缸组的排气口。

公开(公告)号：US20170009644A1

公开(公告)日：2017-01-12

申请号：US15276582

申请日：2016-09-26

Applicant: Ford Global Technologies, LLC

Inventor： John Eric Rollinger ,  Adam J. Richards ,  Robert Andrew Wade ,  David Bell

IPC: F02B37/20 ,  F02D41/38 ,  F02M26/05 ,  F02B37/16 ,  F02D13/02 ,  F02D41/00

CPC classification number: F02B37/20 ,  F02B37/12 ,  F02B37/168 ,  F02D13/0215 ,  F02D13/0261 ,  F02D23/02 ,  F02D41/0007 ,  F02D41/005 ,  F02D41/0065 ,  F02D41/0077 ,  F02D41/38 ,  F02D2041/001 ,  F02D2041/389 ,  F02M26/05 ,  Y02T10/144 ,  Y02T10/18 ,  Y02T10/47

Abstract: Methods and systems are provided for reducing turbo lag by directing intake air from an intake manifold to an exhaust manifold. The intake air may be directed via an EGR passage by opening an EGR valve or by may be directed via engine cylinders by increasing positive valve overlap. Amounts of air directed via external EGR and air directed via positive valve overlap are based on engine operating conditions.

Abstract translation: 提供了通过将进气从进气歧管引导到排气歧管来减少涡轮滞后的方法和系统。 吸入空气可以通过打开EGR阀通过EGR通道引导，或者可以通过增加正的阀重叠来引导通过发动机气缸。 通过外部EGR引导的空气量和通过正阀重叠引导的空气量是基于发动机的运行条件。

公开(公告)号：US20160177886A1

公开(公告)日：2016-06-23

申请号：US14975095

申请日：2015-12-18

Applicant: Mitsui Engineering & Shipbuilding Co., Ltd.

Inventor： Nobuyuki SAKAIRI ,  Kazunori OHTA ,  Kousuke MATSUMARU ,  Toshinori SHIRAI

IPC: F02M26/05 ,  F01N3/04 ,  F02M37/12 ,  F01N5/02 ,  F01N3/02

CPC classification number: F02M26/05 ,  F01N3/02 ,  F01N3/0205 ,  F01N3/043 ,  F01N5/02 ,  F02G1/043 ,  F02M26/10 ,  F02M37/12 ,  Y02T10/16 ,  Y02T70/5281

Abstract: A powering apparatus has a diesel engine, a low pressure hydraulic tube containing lower pressure hydraulic fluid, a high pressure hydraulic tube containing higher pressure hydraulic fluid, a first hydraulic pump driven by the diesel engine to send hydraulic fluid from the low pressure hydraulic tube to the high pressure hydraulic tube to adjust the pressure difference within a certain range, an exhaust gas recirculating apparatus including a first hydraulic motor driven by the pressure difference and a compressor driven by the first hydraulic motor to compress a portion of exhaust gas and to supply the exhaust gas to an intake air tube, and an exhaust heat collecting apparatus including a turbine rotated by a refrigerant heated by the exhaust gas and a second hydraulic pump driven by the turbine to send hydraulic fluid from the low pressure hydraulic tube to the high pressure hydraulic tube.

Abstract translation: 动力装置具有柴油发动机，含有低压液压油的低压液压管，含有高压液压油的高压液压管，由柴油发动机驱动的第一液压泵，将液压油从低压液压管送到 所述高压液压管将所述压差调整到一定范围内，所述废气再循环装置包括由所述压力差驱动的第一液压马达和由所述第一液压马达驱动的压缩机，以压缩排气的一部分， 排气到排气管，以及包括由被排气加热的制冷剂旋转的涡轮机的排气收集装置和由涡轮机驱动的第二液压泵，以将液压流体从低压液压管送到高压液压 管。

公开(公告)号：US20160123203A1

公开(公告)日：2016-05-05

申请号：US14993303

申请日：2016-01-12

Applicant: Cummins Inc.

Inventor： Jennifer Kay Light-Holets

IPC: F01N3/20 ,  F02M26/26 ,  F02B37/18 ,  F02M26/05

CPC classification number: F01N3/208 ,  F01N2610/02 ,  F01N2610/1453 ,  F01N2900/1402 ,  F01N2900/1602 ,  F02B29/04 ,  F02B29/0418 ,  F02B37/18 ,  F02B37/183 ,  F02D9/04 ,  F02D41/0007 ,  F02D41/0055 ,  F02D41/024 ,  F02M26/05 ,  F02M26/26 ,  Y02T10/144 ,  Y02T10/146 ,  Y02T10/24 ,  Y02T10/26 ,  Y02T10/47

Abstract: Internal combustion diesel engine systems and methods of operation are disclosed that include a diesel engine, an exhaust gas recirculation system, a wastegated turbocharger, an exhaust throttle, and a vanadia selective catalytic reduction catalyst downstream of the exhaust throttle.