-
Patent Agency Ranking
公开(公告)号：US10774723B2
公开(公告)日：2020-09-15
申请号：US16020539
申请日：2018-06-27
Applicant: Robert Bosch GmbH
Inventor： Martin Stephani , Martin Brandt , Yunjie Lian
Abstract: In a method and a device for diagnosing a differential pressure sensor of a particle filter of an internal combustion engine, where the differential pressure sensor is connected via a first pressure line to an exhaust-gas system upstream from the particle filter and via a second pressure line to the exhaust-gas system downstream from the particle filter and upstream from a rear muffler, a diagnosis of the first or second pressure lines is performed by evaluating a comparison of a differential pressure signal from a differential pressure sensor with modeled pressure values.
-
公开(公告)号：US09957908B2
公开(公告)日：2018-05-01
申请号：US14941983
申请日：2015-11-16
Applicant: Robert Bosch GmbH
Inventor： Martin Brandt , Christian Linder , Ulrich Bauer , Markus Deissler , Martin Stephani
CPC classification number: F02D41/1497 , F02D13/0234 , F02D41/18 , F02D41/2464 , F02D2041/001 , F02D2200/101 , Y02T10/18
Abstract: A method for adapting valve timings of an internal combustion engine, includes selecting multiple instantaneous operating points of the internal combustion engine by comparison to specified operating points, ascertaining a cylinder charge of at least one cylinder of the internal combustion engine at each of the selected operating points, ascertaining a charge error for each selected operating point from the difference of each ascertained cylinder charge from an expected value of the cylinder charge for the particular operating point, comparing the ascertained charge errors to expected charge errors, and ascertaining an adaptation value of the valve timings from the result of the comparison.
-
公开(公告)号：US20190010853A1
公开(公告)日：2019-01-10
申请号：US16020539
申请日：2018-06-27
Applicant: Robert Bosch GmbH
Inventor： Martin Stephani , Martin Brandt , Yunjie Lian
CPC classification number: F01N11/002 , F01N3/021 , F01N2550/04 , F01N2550/24 , F01N2560/08 , F01N2900/0418 , F01N2900/08 , F01N2900/1406
Abstract: In a method and a device for diagnosing a differential pressure sensor of a particle filter of an internal combustion engine, where the differential pressure sensor is connected via a first pressure line to an exhaust-gas system upstream from the particle filter and via a second pressure line to the exhaust-gas system downstream from the particle filter and upstream from a rear muffler, a diagnosis of the first or second pressure lines is performed by evaluating a comparison of a differential pressure signal from a differential pressure sensor with modeled pressure values.
-
公开(公告)号：US11286836B2
公开(公告)日：2022-03-29
申请号：US16660414
申请日：2019-10-22
Applicant: Robert Bosch GmbH
Inventor： Ralf Zimmerschied , Martin Stephani , Yunjie Lian
IPC: F01N11/00
Abstract: A method is described for monitoring an exhaust aftertreatment system of a combustion engine, with a pressure difference sensor that captures a first pressure difference between a first sampling point and a second sampling point. A second pressure difference between the second sampling point and the environment is captured. A defect is detected based on the second pressure difference.
-
公开(公告)号：US20160138485A1
公开(公告)日：2016-05-19
申请号：US14941983
申请日：2015-11-16
Applicant: Robert Bosch GmbH
Inventor： Martin Brandt , Christian Linder , Ulrich Bauer , Markus Deissler , Martin Stephani
IPC: F02D13/02
CPC classification number: F02D41/1497 , F02D13/0234 , F02D41/18 , F02D41/2464 , F02D2041/001 , F02D2200/101 , Y02T10/18
Abstract: A method for adapting valve timings of an internal combustion engine, includes selecting multiple instantaneous operating points of the internal combustion engine by comparison to specified operating points, ascertaining a cylinder charge of at least one cylinder of the internal combustion engine at each of the selected operating points, ascertaining a charge error for each selected operating point from the difference of each ascertained cylinder charge from an expected value of the cylinder charge for the particular operating point, comparing the ascertained charge errors to expected charge errors, and ascertaining an adaptation value of the valve timings from the result of the comparison.
Abstract translation: 一种用于调节内燃机的气门正时的方法，包括通过与指定的工作点进行比较来选择内燃机的多个瞬时工作点，确定每个所选择的操作中的内燃机的至少一个气缸的气缸充量 点，从每个确定的气缸充电量与特定工作点的气缸充电的预期值的差值确定每个所选择的操作点的充电误差，将确定的充电误差与预期充电误差进行比较，以及确定 阀门定时从比较结果。
-
-
-
-
Search Results
5
records
(took 0.023 seconds)
