公开(公告)号：WO2016182895A1

公开(公告)日：2016-11-17

申请号：PCT/US2016/031169

申请日：2016-05-06

Applicant: CUMMINS EMISSION SOLUTIONS, INC.

Inventor： SONAWANE, Sarang S.

IPC: F01N3/029 ,  F01N3/00 ,  F01N3/04 ,  F01N3/08 ,  F01N11/00

CPC classification number: F01N3/30 ,  F01N3/2066 ,  F01N3/208 ,  F01N2560/06 ,  F01N2610/02 ,  F01N2610/08 ,  F01N2610/085 ,  F01N2610/1493 ,  F01N2900/1602 ,  Y02T10/24

Abstract: Systems for reducing air consumption for aftertreatment systems by selectively supplying air from an air supply may selectively control a valve to enable or disable air supplied to a dosing module. A system may include an air supply, a dosing module, a valve, and a controller. The dosing module may be in selective fluid communication with the air supply. The valve may be configured to selectively supply air from the air supply to the dosing module. The controller may be configured to interpret a parameter indicative of a temperature of a component of an exhaust system and selectively operate the valve responsive to the interpreted parameter indicative of the temperature and a predetermined threshold value.

Abstract translation: 用于通过从空气供应选择性地供应空气来减少后处理系统的空气消耗的系统可以选择性地控制阀以启用或禁用供给到配量模块的空气。 系统可以包括空气源，计量模块，阀和控制器。 配量模块可以与空气供应选择性地流体连通。 阀可以被配置为选择性地将空气从空气供应供给到计量模块。 控制器可以被配置为解释指示排气系统的部件的温度的参数，并且响应于指示温度和预定阈值的解释参数选择性地操作阀。

公开(公告)号：WO2017030800A1

公开(公告)日：2017-02-23

申请号：PCT/US2016/045532

申请日：2016-08-04

Applicant: CUMMINS EMISSION SOLUTIONS INC.

Inventor： KHALED, Nassim ,  LARSON, Bryce R. ,  SONAWANE, Sarang S. ,  SHARMA, Tushar H.

IPC: F01N3/00 ,  G01M15/00

CPC classification number: F01N11/00 ,  F01N3/208 ,  F01N3/2896 ,  F01N2550/05 ,  F01N2610/02 ,  F01N2610/10 ,  F01N2610/105 ,  F01N2610/1406 ,  F01N2610/148 ,  F01N2900/0408 ,  F01N2900/1811 ,  F01N2900/1812 ,  F01N2900/1814 ,  G01F23/0061 ,  Y02A50/2325 ,  Y02T10/24 ,  Y02T10/47

Abstract: An aftertreatment system comprises a reductant storage tank and a SCR system fluidly coupled thereto. A reductant physical level sensor and a tank temperature sensor are operatively coupled to the reductant storage tank. A controller is communicatively coupled with each of the sensors and configured to: interpret a first level output value from the physical level sensor and a first temperature output value from the tank temperature sensor. If the first level output value is below a first threshold, the controller determines if the first temperature output value is below a second threshold. If the first level output value is below the first threshold and the first temperature output value is below the second threshold, the controller determines a virtual reductant level in the reductant storage tank and indicates the virtual reductant level in lieu of a physical reductant level in the reductant storage tank to a user.

Abstract translation: 后处理系统包括还原剂储罐和与其流体耦合的SCR系统。 还原剂物理水平传感器和罐温度传感器可操作地耦合到还原剂储存罐。 控制器与每个传感器通信地耦合，并且被配置为：从物理水平传感器解释第一级输出值和来自罐温度传感器的第一温度输出值。 如果第一级输出值低于第一阈值，则控制器确定第一温度输出值是否低于第二阈值。 如果第一级输出值低于第一阈值并且第一温度输出值低于第二阈值，则控制器确定还原剂储存罐中的虚拟还原剂水平，并指示虚拟还原剂水平代替物理还原剂水平 还原剂储存罐给用户。