公开(公告)号：US20170234257A1

公开(公告)日：2017-08-17

申请号：US15043739

申请日：2016-02-15

Applicant: DELPHI TECHNOLOGIES, INC.

Inventor： Mark C. Sellnau ,  Wayne R. Moore ,  James F. Sinnamon

IPC: F02D41/24 ,  F02D35/02 ,  F02D41/00

CPC classification number: F02D35/028 ,  F02D41/005 ,  F02D41/0072 ,  F02D41/10 ,  F02D41/402 ,  F02M26/06 ,  Y02T10/44 ,  Y02T10/47

Abstract: A GDCI engine recirculates exhaust gases to a combustion chamber using desired early injection parameters for a steady state engine operation from a controller. An engine control system detects a load increase relative to the steady state engine operation, and insufficient recirculated exhaust gases to the combustion chamber are delivered in response to the detected load increase as a result of transport delays. A last fuel injection into the combustion chamber during an engine cycle with multiple fuel injections is delayed as compared to the steady state engine operation. Combustion phasing within the combustion chamber is retarded in response to the delayed injection.

公开(公告)号：US09863305B1

公开(公告)日：2018-01-09

申请号：US15270395

申请日：2016-09-20

Applicant: Delphi Technologies, Inc.

Inventor： Christopher P. Kolodziej ,  Mark C. Sellnau

IPC: F02D41/30 ,  F02D41/40 ,  F02B7/04 ,  F02D41/26 ,  F02M26/02 ,  F02D23/00

CPC classification number: F02B7/04 ,  F02B3/10 ,  F02B23/06 ,  F02B29/04 ,  F02B33/00 ,  F02D23/00 ,  F02D23/02 ,  F02D41/26 ,  F02D41/3023 ,  F02D41/402 ,  F02D2041/3052 ,  F02M26/02 ,  F02M26/03 ,  F02M26/17 ,  F02M26/22 ,  F02M26/38 ,  F02M26/44

Abstract: A GDCI engine has a piston arranged within a cylinder to provide a combustion chamber. According to one embodiment, the GDCI engine operates using a method that includes the steps of supplying a hydrocarbon fuel to the combustion chamber with a research octane number in the range of about 30-65. The hydrocarbon fuel is injected in completely stratified, multiple fuel injections before a start of combustion and supplying a naturally aspirated air charge to the combustion chamber.

公开(公告)号：US08997698B1

公开(公告)日：2015-04-07

申请号：US14096119

申请日：2013-12-04

Applicant: Delphi Technologies, Inc.

Inventor： Gregory T. Roth ,  Harry L Husted ,  Mark C. Sellnau

IPC: F01P1/04 ,  F01P7/14

CPC classification number: F01P3/08 ,  F01P2023/08

Abstract: A system for a multi-cylinder compression ignition engine includes a plurality of nozzles, at least one nozzle per cylinder, with each nozzle configured to spray oil onto the bottom side of a piston of the engine to cool that piston. Independent control of the oil spray from the nozzles is provided on a cylinder-by-cylinder basis. A combustion parameter is determined for combustion in each cylinder of the engine, and control of the oil spray onto the piston in that cylinder is based on the value of the combustion parameter for combustion in that cylinder. A method for influencing combustion in a multi-cylinder engine, including determining a combustion parameter for combustion taking place in in a cylinder of the engine and controlling an oil spray targeted onto the bottom of a piston disposed in that cylinder is also presented.

Abstract translation: 用于多气缸压缩点火发动机的系统包括多个喷嘴，每个气缸至少有一个喷嘴，每个喷嘴构造成将油喷射到发动机的活塞的底侧以冷却该活塞。 以缸为单位提供喷嘴喷油喷射的独立控制。 确定用于在发动机的每个气缸中燃烧的燃烧参数，并且基于该气缸中的燃烧的燃烧参数的值来控制在该气缸中的活塞上的喷油。 还提出了一种用于影响多缸发动机燃烧的方法，包括确定发动机气缸中发生燃烧的燃烧参数，并且控制目标在设置在该气缸中的活塞底部的喷油器。

公开(公告)号：US20170234275A1

公开(公告)日：2017-08-17

申请号：US15043743

申请日：2016-02-15

Applicant: DELPHI TECHNOLOGIES, INC.

Inventor： Mark C. Sellnau

IPC: F02M31/135 ,  F02D33/00

CPC classification number: F02M31/135 ,  F02D33/00 ,  F02D41/20 ,  F02D2041/2006 ,  Y02T10/126

Abstract: A GDCI engine control system includes a fast electric heater located within a pocket in a cylinder head. The pocket is in fluid communication with multiple intake ports. A heater control system includes a capacitor that is configured to provide a voltage that is greater than battery voltage to more quickly heat the intake air during a cold start. Subsequently a lower voltage can be supplied to the heater.