公开(公告)号：US09938893B2

公开(公告)日：2018-04-10

申请号：US14978857

申请日：2015-12-22

Applicant: MAGNETI MARELLI S.p.A.

Inventor： Stefano Musolesi ,  Marcello Colli ,  Gabriele Giuliani ,  Matteo Avanzi

IPC: F02B37/22 ,  F02M15/02 ,  F02M31/10 ,  F02M26/11 ,  F02M26/53 ,  F02M26/73 ,  F02M26/05 ,  F02M26/06

CPC classification number: F02B37/22 ,  F02M15/02 ,  F02M26/05 ,  F02M26/06 ,  F02M26/11 ,  F02M26/53 ,  F02M26/73 ,  F02M31/102 ,  Y02T10/126 ,  Y02T10/144

Abstract: An electromechanical actuator to operate a component in an internal combustion engine comprising an actuator body housing, on the inside, an actuator device, which controls the movement of the component so as to move it between a maximum opening position and a maximum closing position, and vice versa. The actuator device includes an electric motor and a gear drive that transmits the motion from the electric motor to the component. The electromechanical actuator is made of a first metal material and comprises a conditioning circuit comprising a pipe for the passage of a conditioning fluid, which is made of a second thermally conductive material. A method of manufacturing the electromagnetic actuator is also disclosed.

公开(公告)号：US20180094574A1

公开(公告)日：2018-04-05

申请号：US15710037

申请日：2017-09-20

Applicant: HONDA MOTOR CO., LTD.

Inventor： Nobu Takahashi

IPC: F02B47/10 ,  F02B29/04 ,  F01P3/22 ,  F02M26/05 ,  F02M26/24

CPC classification number: F02M26/06 ,  F01P3/22 ,  F02B29/0443 ,  F02B29/0475 ,  F02B47/02 ,  F02B47/08 ,  F02B47/10 ,  F02M26/05 ,  F02M26/19 ,  F02M26/24 ,  F02M26/30

Abstract: An intake and exhaust system of an internal combustion engine includes an exhaust gas recirculation passage (35) communicates a part of an exhaust passage (7) downstream of a turbine with a part of an intake passage (6) upstream of a compressor and a cooling circuit (51), the cooling circuit including a first evaporator (52) provided in a part of the exhaust passage downstream of the turbine and upstream of a junction with the exhaust gas recirculation passage and storing a medium, an ejector pump (54) using vapor from the first evaporator as a driving flow, a condenser (57) for cooling and condensing the vapor ejected from the ejector pump and returning the condensed medium to the first evaporator, and a second evaporator (55) provided in the exhaust gas recirculation passage to cool the exhaust gas passing through the exhaust gas recirculation passage by evaporating a medium stored therein with a negative pressure created by the ejector pump.

公开(公告)号：US20180058310A1

公开(公告)日：2018-03-01

申请号：US15245212

申请日：2016-08-24

Applicant: General Electric Company

Inventor： James Robert MISCHLER ,  Thomas Michael LAVERTU ,  Jared Davis VAUGHN ,  Alok KUMAR ,  Richard James SCOTT

IPC: F02B37/16 ,  F02M26/41 ,  F02D41/00 ,  F02M26/05 ,  F02B37/00 ,  F02B37/013

CPC classification number: F02B37/168 ,  F02B37/004 ,  F02B37/013 ,  F02B2037/125 ,  F02D41/0007 ,  F02D41/0052 ,  F02D41/144 ,  F02D41/1448 ,  F02D2200/0406 ,  F02M26/05 ,  F02M26/41 ,  F02M26/43 ,  Y02T10/144 ,  Y02T10/47

Abstract: Various systems and methods are provided for controlling operation of a turbocharger compressor. In one example, a system includes a turbocharger including a turbine positioned in an exhaust passage and a compressor positioned in an intake passage, an engine bypass passage having an inlet fluidically coupled to an outlet of the compressor and an outlet fluidically coupled to an inlet of the turbine, an engine bypass valve to control flow through the engine bypass passage, and a controller configured to adjust a position of the engine bypass valve to maintain compressor operation within a designated compressor efficiency region.

公开(公告)号：US09903289B2

公开(公告)日：2018-02-27

申请号：US14479970

申请日：2014-09-08

Applicant: General Electric Company

Inventor： David Zielinski ,  Luke Michael Henry

IPC: F02D41/00 ,  F02D41/10 ,  F02D41/30 ,  F02M26/43 ,  F02D43/00 ,  F02M26/05

CPC classification number: F02D41/0082 ,  F02D41/0002 ,  F02D41/0077 ,  F02D41/10 ,  F02D41/30 ,  F02D43/00 ,  F02D2041/0017 ,  F02M26/05 ,  F02M26/43 ,  Y02T10/47

Abstract: Various methods and systems are provided for controlling exhaust gas recirculation in an engine. One embodiment for a system comprises an engine having first and second cylinder groups, and an exhaust gas recirculation (EGR) passage coupled between the first cylinder group and an intake manifold of the engine, flow of EGR through the EGR passage controlled by one or more EGR exhaust valves, and a controller configured to maintain a target intake gas concentration by adjusting the one or more EGR exhaust valves and adjusting fuel injection amounts to the first cylinder group differently than the second cylinder group.

公开(公告)号：US09885303B2

公开(公告)日：2018-02-06

申请号：US14419721

申请日：2013-08-07

Applicant: NISSAN MOTOR CO., LTD.

Inventor： Yasutaka Ishibashi ,  Jin Yokoyama ,  Keita Mitsushima

IPC: F02D41/10 ,  F02D41/00 ,  F02D41/30 ,  F02D23/02 ,  F02D41/04 ,  F02D41/18 ,  F02B29/04 ,  F02M26/05 ,  F02M26/23 ,  F02B37/24 ,  F02M35/10

CPC classification number: F02D41/10 ,  F02B29/0406 ,  F02B37/24 ,  F02B2275/14 ,  F02D23/02 ,  F02D41/0007 ,  F02D41/005 ,  F02D41/045 ,  F02D41/18 ,  F02D41/30 ,  F02D2200/0406 ,  F02D2200/602 ,  F02D2250/34 ,  F02M26/05 ,  F02M26/23 ,  F02M35/1038 ,  F02M35/10386 ,  Y02T10/123 ,  Y02T10/144 ,  Y02T10/146 ,  Y02T10/47

Abstract: A control device for a diesel engine includes a variable geometry supercharger with a variable supercharge pressure mechanism and an EGR valve configured to adjust an EGR gas amount. In the control device, when the diesel engine is determined to be accelerating, a maximum exhaust pressure is set such that an increased amount of an engine torque by increasing a fuel injection amount in association with acceleration is greater than an increased amount of pumping loss increased with increasing exhaust pressure due to an actuation of the variable supercharge pressure mechanism in association with acceleration. A target control variable for the variable supercharge pressure mechanism and a target control variable for the EGR valve are controlled on the basis of the maximum exhaust pressure.

公开(公告)号：US09879598B2

公开(公告)日：2018-01-30

申请号：US14908294

申请日：2014-07-31

Applicant: ISUZU MOTORS LIMITED

Inventor： Satoshi Hanawa ,  Tadashi Uchiyama ,  Hidekazu Fujie ,  Naoto Murasawa

IPC: F02B77/08 ,  F02B29/04 ,  F02M26/05 ,  F02M26/49 ,  F02M26/22 ,  F02M35/10 ,  F02M26/47 ,  F02D41/22 ,  F02D41/00

CPC classification number: F02B77/083 ,  F02B29/04 ,  F02D41/22 ,  F02D2041/0067 ,  F02D2200/0414 ,  F02D2200/0416 ,  F02M26/05 ,  F02M26/22 ,  F02M26/47 ,  F02M26/49 ,  F02M35/1038 ,  Y02T10/146

Abstract: A diagnosis device diagnoses a cooler adapted to cool a fluid flowing through intake and exhaust systems of an engine, and includes: a downstream temperature sensor for detecting a fluid temperature downstream of the cooler; a fluid temperature calculation unit for calculating a fluid temperature upstream of the cooler based on a fluid state quantity; a sensor output value calculation unit for assuming an upstream temperature sensor configured to detect a fluid temperature upstream of the cooler, reflecting a sensor response delay in the calculated fluid temperature, and calculating an estimated sensor output value of the upstream temperature sensor; and a cooler diagnosis unit for diagnosing the cooling efficiency of the cooler based on an actual sensor input value entered from the downstream temperature sensor and the calculated estimated sensor output value.

公开(公告)号：US09879595B2

公开(公告)日：2018-01-30

申请号：US14821180

申请日：2015-08-07

Applicant: Mazda Motor Corporation

Inventor： Kenjiro Konomi ,  Nobuo Yunoki ,  Kotaro Takahashi

IPC: F02B33/44 ,  F02M25/07 ,  F02B37/24 ,  F02D41/00 ,  F02M26/05 ,  F02M26/06 ,  F02M26/07 ,  F02M26/09

CPC classification number: F02B37/24 ,  F02D41/0007 ,  F02D41/005 ,  F02D41/0065 ,  F02D2200/0406 ,  F02M26/05 ,  F02M26/06 ,  F02M26/07 ,  F02M26/09 ,  Y02T10/144 ,  Y02T10/47

Abstract: An exhaust control apparatus for an engine is provided. The apparatus includes a turbocharger, a high-pressure exhaust gas recirculation (EGR) device, a low-pressure EGR device, and a flap controller. The turbocharger includes a turbine, a compressor, and movable flaps, and rotates the turbine by exhaust gas to drive the compressor so as to boost intake air. The high-pressure EGR device recirculates, within a first engine operating range, the exhaust gas from a position of an exhaust passage upstream of the turbine to a position of an intake passage downstream of the compressor. The low-pressure EGR device recirculates, within a second engine operating range, the exhaust gas from a position of the exhaust passage downstream of the turbine to a position of the intake passage upstream of the compressor. The flap controller controls flap openings.

公开(公告)号：US09869258B2

公开(公告)日：2018-01-16

申请号：US15007077

申请日：2016-01-26

Applicant: Achates Power, Inc.

Inventor： Eric P. Dion

IPC: F02B33/44 ,  F02M25/07 ,  F02B71/00 ,  F02B75/04 ,  F02D41/00 ,  F02B47/08 ,  F02M26/34 ,  F02M26/23 ,  F02M26/05 ,  F02B25/08 ,  F02B75/28 ,  F02B37/04 ,  F02B37/10 ,  F02B39/10 ,  F02B25/06 ,  F02B37/02 ,  F02M26/08 ,  F01B7/02 ,  F02B75/02 ,  F02B29/04

CPC classification number: F02D41/0077 ,  F01B7/02 ,  F02B25/06 ,  F02B25/08 ,  F02B29/0406 ,  F02B37/02 ,  F02B37/04 ,  F02B37/10 ,  F02B39/10 ,  F02B47/08 ,  F02B75/02 ,  F02B75/28 ,  F02B2075/025 ,  F02B2275/14 ,  F02D41/0007 ,  F02M26/05 ,  F02M26/08 ,  F02M26/23 ,  F02M26/34 ,  Y02T10/121 ,  Y02T10/144

Abstract: A two-stroke cycle, turbo-driven, opposed-piston engine with one or more ported cylinders and uniflow scavenging has no supercharger. The engine includes a high pressure EGR loop and a pump in the EGR loop to boost the pressure of the recirculated exhaust products.

公开(公告)号：US20180003133A1

公开(公告)日：2018-01-04

申请号：US15197921

申请日：2016-06-30

Applicant: BorgWarner Inc.

Inventor： JOSEPH POWELL McHENRY ,  GORDON CLARK JENKS ,  ROBERT MALCOLM WALLACE

IPC: F02M26/05 ,  F04D29/44 ,  F04D29/28 ,  F02M26/51 ,  F02M26/22 ,  F04D17/10 ,  F02B37/00 ,  F02B33/40 ,  F04D29/053 ,  F04D29/056

CPC classification number: F02M26/05 ,  F02B33/40 ,  F02B37/00 ,  F02B37/005 ,  F02C3/13 ,  F02C3/34 ,  F02C6/12 ,  F02M26/09 ,  F02M26/19 ,  F02M26/22 ,  F02M26/34 ,  F02M26/51 ,  F04D17/10 ,  F04D29/053 ,  F04D29/056 ,  F04D29/284 ,  F04D29/441 ,  F05D2220/40 ,  Y02T10/144

Abstract: A product may include a bearing housing in which a shaft may be supported by a bearing so that it may rotate. A compressor wheel may be disposed on the shaft. A compressor cover may be connected with the bearing housing, which may form a compressor body and may define a chamber within which the compressor wheel may rotate. A diffuser may extend radially outward from the chamber and may receive gas from the compressor wheel. An inlet may be provided to the compressor body, which may receive a supply of exhaust gas. An EGR distribution cavity may be defined within the compressor body and may extend around the shaft. An EGR inlet channel may extend into the bearing housing from the inlet to the EGR distribution cavity. An EGR passage may extend from the EGR distribution cavity to the diffuser.

公开(公告)号：US20180003114A1

公开(公告)日：2018-01-04

申请号：US15703032

申请日：2017-09-13

Applicant: Ford Global Technologies, LLC

Inventor： Freeman Carter Gates ,  Kirk Pulay ,  Stephen George Russ

IPC: F02D41/00 ,  F02M26/08 ,  F02M26/47 ,  F02D41/14 ,  F02M26/05 ,  F02M26/53 ,  F02P5/15 ,  F02M26/43

CPC classification number: F02D41/0072 ,  F02D41/0077 ,  F02D41/144 ,  F02D41/1452 ,  F02D2041/1409 ,  F02D2041/141 ,  F02M26/05 ,  F02M26/08 ,  F02M26/43 ,  F02M26/47 ,  F02M26/53 ,  F02P5/15 ,  F02P5/1516 ,  F02P5/152 ,  Y02T10/46 ,  Y02T10/47

Abstract: Methods and systems are provided for estimating exhaust gas recirculation (EGR) flow in an engine including an EGR system. In one example, a method may include operating the EGR system in an open loop feed forward mode based on an intake carbon di oxide sensor output above a threshold engine load and/or when a manifold absolute pressure (MAP) is above a threshold pressure, and operating the EGR system in a closed loop feedback mode based on a differential pressure sensor output when the engine load decreases below the threshold load and/or when the MAP decreases below the threshold pressure.