公开(公告)号：US12071906B2

公开(公告)日：2024-08-27

申请号：US17935495

申请日：2022-09-26

Applicant: Woodward, Inc.

Inventor： Domenico Chiera ,  Gregory James Hampson

IPC: F02D41/00 ,  F01N3/10 ,  F02D41/40 ,  F02D41/38

CPC classification number: F02D41/0025 ,  F01N3/10 ,  F02D41/009 ,  F02D41/402 ,  F02D2041/389 ,  F02D2200/024

Abstract: The subject matter of this specification can be embodied in, among other things, a method performed in connection with an internal combustion engine, and the method including receiving a pressure signal from a combustion chamber pressure sensor during a first range of volumes, the first range corresponding to a portion of a compression phase, the received pressure being a first pressure, providing, based on the received pressure signal, a first pulse of fuel at a first position of the body during the compression phase, and providing, based on the received pressure signal a second pulse of fuel at a second position of the body during the compression phase.

公开(公告)号：US11959411B1

公开(公告)日：2024-04-16

申请号：US18066734

申请日：2022-12-15

Applicant: SAUDI ARABIAN OIL COMPANY

Inventor： Fakhar Mehmood ,  Maryam M. Al-Taher

IPC: F01N3/20 ,  F01N3/10 ,  F01N3/28 ,  F01N13/00

CPC classification number: F01N3/208 ,  F01N3/10 ,  F01N3/28 ,  F01N13/009 ,  F01N2250/12 ,  F01N2340/02 ,  F01N2370/00 ,  F01N2560/021 ,  F01N2570/10 ,  F01N2570/12 ,  F01N2570/14 ,  F01N2570/18

Abstract: A system for treatment of gasoline compression ignition engine exhaust includes components of a carbon monoxide absorber and a nitrogen oxide absorber, wherein nitrogen oxide comprises one or more compounds consisting of nitrogen and oxygen; an oxidation catalyst downstream of the carbon monoxide absorber; a close coupled reduction catalyst downstream of the nitrogen oxide absorber; an underfloor reduction catalyst downstream of the close coupled reduction catalyst; and an ammonia slip catalyst downstream of the underfloor reduction catalyst. A method for making the system includes aligning the components into the system; configuring the carbon monoxide absorber to capture and store carbon monoxide under cold start operation; configuring the nitrogen oxide absorber to capture and store nitrogen oxide, under cold start operation; and configuring the underfloor reduction catalyst and ammonia slip catalyst to in combination reduce slip ammonia released by the close coupled reduction catalyst under high load operation.

公开(公告)号：US20240091745A1

公开(公告)日：2024-03-21

申请号：US18493835

申请日：2023-10-25

Applicant: JOHNSON MATTHEY PUBLIC LIMITED COMPANY

Inventor： Andrew CHIFFEY ,  Kieran COLE ,  Oliver COOPER ,  Christopher DALY ,  Lee GILBERT ,  Robert HANLEY ,  David MICALLEF ,  Francois MOREAU ,  Paul PHILLIPS ,  George PLATT

IPC: B01J23/44 ,  B01J21/08 ,  B01J23/42 ,  B01J37/02 ,  F01N3/023 ,  F01N3/10

CPC classification number: B01J23/44 ,  B01J21/08 ,  B01J23/42 ,  B01J37/0215 ,  F01N3/0231 ,  F01N3/10 ,  F01N2570/10 ,  F01N2570/12 ,  F01N2570/14

Abstract: A composite oxidation catalyst for use in an exhaust system for treating an exhaust gas produced by a vehicular compression ignition internal combustion engine is disclosed. The composite oxidation catalyst comprises a honeycomb flow-through substrate monolith and two catalyst washcoat zones arranged axially in series on and along the substrate surface.

公开(公告)号：US11883799B2

公开(公告)日：2024-01-30

申请号：US16644859

申请日：2018-09-04

Applicant: University Court of the University of St Andrews ,  The University of Newcastle upon Tyne

Inventor： John Thomas Sirr Irvine ,  Dragos Neagu ,  Ian Metcalfe ,  Evangelos I. Papaioannou

IPC: B01J23/755 ,  B01J37/08 ,  F01N3/10

CPC classification number: B01J23/755 ,  B01J37/08 ,  F01N3/10

Abstract: A catalyst obtainable by exsolving particles of Ni, Co and/or a mixture of Ni and Co from a perovskite metal oxide of formula (I) (M1aM2b)(COxNiyM3z)O3, wherein M1 and M2 are each independently an alkali earth metal or a rare earth metal, M3 is Ti or Cr, 0≤a≤1, 0≤b≤1, 0 0. The invention includes methods of converting this catalyst into one or more catalytically active forms. The catalysts and the activated forms of same are useful in the catalysing CO oxidation and/or NO oxidation.

公开(公告)号：US20190234284A1

公开(公告)日：2019-08-01

申请号：US16380671

申请日：2019-04-10

Applicant: Tecogen, Inc.

Inventor： Ahmed F. Ghoniem ,  Jean Roy ,  Joseph Gehret

IPC: F01N13/00 ,  B01D53/94 ,  F01N3/02 ,  F01N13/08 ,  F01N3/10 ,  F01N3/035 ,  F01N9/00 ,  F01N11/00 ,  B01D53/96 ,  F01N3/021 ,  F01N3/08 ,  F01N3/32

CPC classification number: F01N13/009 ,  B01D53/9418 ,  B01D53/9445 ,  B01D53/9454 ,  B01D53/9477 ,  B01D53/9495 ,  B01D53/96 ,  B01D2255/102 ,  B01D2255/904 ,  B01D2255/915 ,  F01N3/0205 ,  F01N3/021 ,  F01N3/035 ,  F01N3/0821 ,  F01N3/0835 ,  F01N3/10 ,  F01N3/32 ,  F01N9/00 ,  F01N9/002 ,  F01N11/007 ,  F01N13/08 ,  F01N2900/0418 ,  F01N2900/08 ,  F01N2900/10 ,  F01N2900/1404 ,  Y02A50/2322 ,  Y02T10/20 ,  Y02T10/22 ,  Y02T10/47

Abstract: Exhaust generated from an internal combustion engine includes particulates and gas-phase volatile hydrocarbon condensables. The exhaust is cooled in an exhaust gas cooler from a first temperature to a second temperature such that a first portion of the gas-phase volatile hydrocarbon condensables in the exhaust condense to the liquid phase and a second portion of the gas-phase volatile hydrocarbon condensables in the exhaust condense on black carbon particles to form semivolatile brown carbon particulates. Some or all of the liquid-phase volatile hydrocarbon condensables and the semivolatile brown carbon particulates are trapped in a gasoline particulate filter or a catalyzed gasoline particulate filter located downstream of the exhaust gas cooler.

公开(公告)号：US20190209967A1

公开(公告)日：2019-07-11

申请号：US16099163

申请日：2017-05-17

Applicant: CATALER CORPORATION

Inventor： Yoritsugu SHINO ,  Tsuyoshi ITO ,  Keisuke MURASHIGE ,  Akio KUBOTA

IPC: B01D53/94 ,  B01J23/56 ,  B01D53/86 ,  B01J23/00

CPC classification number: B01D53/944 ,  B01D53/8643 ,  B01D53/94 ,  B01J21/04 ,  B01J23/002 ,  B01J23/56 ,  B01J23/58 ,  B01J23/63 ,  F01N3/10 ,  F01N3/28

Abstract: An exhaust gas purifying catalyst for 2-stroke general-purpose engines, which is characterized in that: the exhaust gas purifying catalyst includes a base and a coat layer on the base; the coat layer contains noble metals and metal oxides; the noble metals include palladium and one or more elements selected from among platinum and rhodium; the zirconia content in the coat layer is 0.07 mole or less per 100 g of the metal oxides contained in the coat layer; and the total content of one or more metal oxides selected from among lanthana and alkaline earth metal oxides in the coat layer is 0.05 mole or more per 100 g of the metal oxides contained in the coat layer.

公开(公告)号：US20180347425A1

公开(公告)日：2018-12-06

申请号：US15761607

申请日：2015-09-24

Applicant: HONDA MOTOR CO., LTD.

Inventor： Shinichiro OTSUKA ,  Kenji KATAYAMA ,  Noritaka MASUMITSU ,  Ryoko YAMADA

IPC: F01N3/10 ,  B01D53/94 ,  B01D46/24 ,  F01N3/022 ,  F02D41/30 ,  F02D41/02

CPC classification number: F01N3/101 ,  B01D46/2429 ,  B01D46/247 ,  B01D46/2474 ,  B01D53/945 ,  B01D53/9454 ,  B01D53/9477 ,  B01D2046/2433 ,  B01D2046/2437 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/2066 ,  B01D2255/2068 ,  B01D2255/908 ,  B01D2255/9202 ,  B01D2258/014 ,  B01D2279/30 ,  F01N3/022 ,  F01N3/0222 ,  F01N3/035 ,  F01N3/10 ,  F01N13/02 ,  F01N2250/02 ,  F01N2330/02 ,  F01N2560/025 ,  F01N2560/14 ,  F02D41/0235 ,  F02D41/30 ,  Y02T10/22

Abstract: An exhaust purification system includes an LAF sensor provided in an exhaust pipe and generates a signal corresponding to an air-fuel ratio of exhaust gas. An upstream catalytic converter is downstream of the LAF sensor and has a catalyst to purify the exhaust gas. An O2 sensor is downstream of the upstream catalytic converter, and generates a signal corresponding to the air-fuel ratio of the exhaust gas. A GPF is downstream of a the O2 sensor and purifies the exhaust gas. An ECU controls an air-fuel mixture in an engine using output signal KACT of the LAF sensor and an output signal VO2 of the O2 sensor such that the air-fuel ratio of exhaust gas flowing into the GPF converges to a target value near the stoichiometric ratio. The GPF has a filter substrate and a downstream TWC supported by a partition of the filter substrate.

公开(公告)号：US20180334947A1

公开(公告)日：2018-11-22

申请号：US15825922

申请日：2017-11-29

Applicant: HYUNDAI MOTOR COMPANY ,  KIA MOTORS CORPORATION

Inventor： Seung Bum KIM

IPC: F01P7/16 ,  B60W20/00 ,  F01P3/20 ,  F01N3/10 ,  F02D41/06

CPC classification number: F01P7/16 ,  B60W20/00 ,  F01N3/10 ,  F01N3/2066 ,  F01N5/02 ,  F01N2240/02 ,  F01N2590/11 ,  F01P3/20 ,  F01P2007/146 ,  F01P2060/16 ,  F02D41/068 ,  Y10S903/00

Abstract: A temperature management method for a hybrid vehicle which includes: a flow rate control valve controlling flow of coolant to an engine, a heater, a heat exchanger, and a radiator; and an exhaust heat recovery device coupled to the flow rate control valve via the heater, the exhaust heat recovery device performing heat exchange between the coolant received from the heater and exhaust gas received from the engine, and supplying the heat-exchanged coolant to the engine, includes: identifying whether the heater is on or off; and identifying at least one of an outside air temperature, a coolant temperature, or an oil temperature and operating the flow rate control valve in a flow stop mode to prevent the coolant of the engine from discharging.

公开(公告)号：US20180258826A1

公开(公告)日：2018-09-13

申请号：US15905410

申请日：2018-02-26

Applicant: MAZDA MOTOR CORPORATION

Inventor： Taku KURAMASHI ,  Keishi KITABATAKE ,  Tamotsu TAKAMURE ,  Toshiaki KAMO

IPC: F01N13/10 ,  F01N13/00

CPC classification number: F01N13/10 ,  F01N3/10 ,  F01N13/008 ,  F01N2470/18 ,  F01N2490/00 ,  F01N2560/025 ,  F02B75/20 ,  Y02A50/2324

Abstract: An arc-shaped recess part is provided at a collective pipe of an exhaust manifold, whereby a flow of exhaust gas from one end side of cylinders is uniformized and then introduced into an exhaust-gas purifying device.

公开(公告)号：US10071368B2

公开(公告)日：2018-09-11

申请号：US15550252

申请日：2016-02-16

Applicant: CATALER CORPORATION

Inventor： Ryota Onoe ,  Shingo Sakagami ,  Yasutaka Nomura ,  Yuta Morishita ,  Junji Kuriyama ,  Hiroshi Sekine

IPC: B01J23/10 ,  B01J23/44 ,  B01J23/46 ,  B01J23/63 ,  B01J35/00 ,  B01J35/04 ,  B01D53/94 ,  F01N13/08 ,  F01N3/28

CPC classification number: B01J35/0006 ,  B01D53/94 ,  B01D2255/1023 ,  B01D2255/1025 ,  B01D2255/9022 ,  B01D2255/9155 ,  B01J23/63 ,  B01J35/04 ,  B01J37/02 ,  F01N3/035 ,  F01N3/10 ,  F01N3/24 ,  F01N3/28 ,  F01N13/08 ,  F01N2250/02 ,  F01N2260/06 ,  F01N2370/02 ,  F01N2510/068 ,  F01N2510/0682 ,  F01N2510/0684

Abstract: An exhaust gas purification catalyst capable of stably maintaining and exhibiting excellent catalytic performance includes a wall-flow-type substrate, a first catalytic layer and a second catalytic layer. The first catalytic layer is provided to an internal portion of a partition wall in contact with an entrance cell. The second catalytic layer is provided to an internal portion of a partition wall in contact with an exit cell. The ratio (D2/D1) of the coating density D2 of the second catalytic layer to the coating density D1 of the first catalytic layer is 1.01 to 1.4.