公开(公告)号：US20140147339A1

公开(公告)日：2014-05-29

申请号：US13688331

申请日：2012-11-29

Applicant: GM GLOBAL TECHNOLOGY OPERATIONS LLC

Inventor： Raffaello Ardanese ,  Vincent J. Tylutki ,  Christopher P. Musienko ,  Shouxian Ren ,  Chang H. Kim

IPC: G01M15/10 ,  B01D53/94

CPC classification number: B01D53/9413 ,  B01D53/9418 ,  B01D53/9445 ,  B01D53/9477 ,  B01D53/9495 ,  B01D2258/012 ,  F01N3/103 ,  F01N3/2066 ,  F01N11/00 ,  F01N2550/02 ,  F01N2560/026 ,  F01N2560/06 ,  Y02T10/22 ,  Y02T10/24 ,  Y02T10/47

Abstract: A method of determining aging of a diesel oxidation catalyst (DOC) in an engine exhaust system includes receiving a first sensor signal from a first nitrogen oxides (NOx) sensor positioned in exhaust flow upstream of the DOC. The first sensor signal is indicative of an amount of NOx in the exhaust flow upstream of the DOC. The method further includes receiving a second sensor signal from a second NOx sensor positioned in exhaust flow downstream of the DOC. The second sensor signal is indicative of an amount of NOx downstream of the DOC. A difference between the first sensor signal and the second sensor signal is calculated via a controller. A DOC aging level based on a predetermined correlation between the difference and DOC aging is then determined by the controller.

Abstract translation: 确定发动机排气系统中的柴油氧化催化剂（DOC）的老化的方法包括从位于DOC上游的排气流中的第一氮氧化物（NOx）传感器接收第一传感器信号。 第一传感器信号表示DOC上游排气流中的NOx的量。 该方法还包括从位于DOC下游的排气流中的第二NOx传感器接收第二传感器信号。 第二传感器信号指示DOC下游的NOx的量。 通过控制器计算第一传感器信号和第二传感器信号之间的差异。 然后由控制器确定基于差异和DOC老化之间的预定相关性的DOC老化水平。

公开(公告)号：US09046025B2

公开(公告)日：2015-06-02

申请号：US13912870

申请日：2013-06-07

Applicant: GM Global Technology Operations LLC

Inventor： Raffaello Ardanese ,  Min Sun ,  Justin Adam Shetney ,  Shouxian Ren ,  Christopher P. Musienko

IPC: F01N11/00 ,  F01N3/20 ,  F01N3/08

CPC classification number: F01N11/00 ,  F01N3/0842 ,  F01N3/2066 ,  F01N3/208 ,  F01N2560/026 ,  F01N2610/02 ,  F01N2900/1614 ,  F01N2900/1621 ,  Y02T10/24 ,  Y02T10/47

Abstract: A selective catalytic reduction (SCR) device monitoring system includes an engine out NOx monitoring module, an SCR out NOx monitoring module configured and disposed to monitor NOx released from the SCR device, and a NOx storage model module operatively connected to the engine out NOx module and the SCR out NOx monitoring module. The NOx storage model module is configured and disposed to determine an amount of NOx stored in the SCR device. A consumed ammonia correction model module is operatively coupled to the NOx storage model module and configured and disposed to calculate a corrected consumed ammonia correction factor.

Abstract translation: 选择性催化还原（SCR）装置监测系统包括发动机排出NOx监测模块，SCR排出NOx监测模块，其配置和设置为监测从SCR装置释放的NOx;以及NOx存储模型模块，其可操作地连接到发动机出口NOx模块 和SCR out NOx监测模块。 NOx存储模型模块被配置和设置以确定存储在SCR装置中的NOx的量。 消耗的氨校正模型模块可操作地耦合到NOx存储模型模块，并且被配置和设置为计算经校正的消耗氨校正因子。

公开(公告)号：US20140360165A1

公开(公告)日：2014-12-11

申请号：US13912870

申请日：2013-06-07

Applicant: GM Global Technology Operations LLC

Inventor： Raffaello Ardanese ,  Min Sun ,  Justin Adam Shetney ,  Shouxian Ren ,  Christopher P. Musienko

IPC: F01N11/00

CPC classification number: F01N11/00 ,  F01N3/0842 ,  F01N3/2066 ,  F01N3/208 ,  F01N2560/026 ,  F01N2610/02 ,  F01N2900/1614 ,  F01N2900/1621 ,  Y02T10/24 ,  Y02T10/47

Abstract: A selective catalytic reduction (SCR) device monitoring system includes an engine out NOx monitoring module, an SCR out NOx monitoring module configured and disposed to monitor NOx released from the SCR device, and a NOx storage model module operatively connected to the engine out NOx module and the SCR out NOx monitoring module. The NOx storage model module is configured and disposed to determine an amount of NOx stored in the SCR device. A consumed ammonia correction model module is operatively coupled to the NOx storage model module and configured and disposed to calculate a corrected consumed ammonia prediction factor.

Abstract translation: 选择性催化还原（SCR）装置监测系统包括发动机排出NOx监测模块，SCR排出NOx监测模块，其配置和设置为监测从SCR装置释放的NOx;以及NOx存储模型模块，其可操作地连接到发动机出口NOx模块 和SCR out NOx监测模块。 NOx存储模型模块被配置和设置以确定存储在SCR装置中的NOx的量。 消耗的氨校正模型模块可操作地耦合到NOx存储模型模块，并且被配置和设置为计算经校正的消耗氨预测因子。

公开(公告)号：US09771884B2

公开(公告)日：2017-09-26

申请号：US14614778

申请日：2015-02-05

Applicant: GM Global Technology Operations LLC

Inventor： Darrell W. Burleigh ,  Christopher P. Musienko ,  Kenneth C. Swartz

IPC: F02D41/00 ,  F02M25/08 ,  F02D41/30 ,  F02D41/20

CPC classification number: F02D41/004 ,  F02D41/3082 ,  F02D2041/2058 ,  F02M25/0836 ,  F02M25/0854 ,  F02M25/089

Abstract: A system according to the present disclosure includes a pump operating parameter module and a purge flow control module. The pump operating parameter module determines a value of an operating parameter of a purge pump that delivers purge fluid from a canister in an evaporative emissions system to an intake system of an engine. The operating parameter of the purge pump includes at least one of a speed of the purge pump, an amount of current supplied to the purge pump, and an amount of power supplied to the purge pump. The purge flow control module controls at least one of a purge valve and the purge pump to adjust an amount of purge fluid delivered to a cylinder of an engine based on the determined value of the operating parameter of the purge pump.

公开(公告)号：US20160123254A1

公开(公告)日：2016-05-05

申请号：US14614778

申请日：2015-02-05

Applicant: GM Global Technology Operations LLC.

Inventor： Darrell W. BURLEIGH ,  Christopher P. Musienko ,  Kenneth C. Swartz

IPC: F02D41/00 ,  F02M25/08

CPC classification number: F02D41/004 ,  F02D41/3082 ,  F02D2041/2058 ,  F02M25/0836 ,  F02M25/0854 ,  F02M25/089

Abstract: A system according to the present disclosure includes a pump operating parameter module and a purge flow control module. The pump operating parameter module determines a value of an operating parameter of a purge pump that delivers purge fluid from a canister in an evaporative emissions system to an intake system of an engine. The operating parameter of the purge pump includes at least one of a speed of the purge pump, an amount of current supplied to the purge pump, and an amount of power supplied to the purge pump. The purge flow control module controls at least one of a purge valve and the purge pump to adjust an amount of purge fluid delivered to a cylinder of an engine based on the determined value of the operating parameter of the purge pump.

Abstract translation: 根据本公开的系统包括泵操作参数模块和清洗流控制模块。 泵操作参数模块确定将净化流体从蒸发排放系统中的罐输送到发动机的进气系统的净化泵的操作参数的值。 清洗泵的操作参数包括净化泵的速度，提供给净化泵的电流量和供应到净化泵的功率量中的至少一个。 吹扫流量控制模块基于确定的净化泵的操作参数的值来控制排放阀和净化泵中的至少一个，以调节输送到发动机气缸的净化流体的量。