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公开(公告)号:US20190234265A1
公开(公告)日:2019-08-01
申请号:US15886456
申请日:2018-02-01
申请人: Edward E Baker , Robert Jerger , James J Daley , John R Jaye , Roger C Sager , Joseph M Dekar , Mark L Lott , Brian L Terwedo , Jospeh B Unsworth , Jordan E Easter , Luis J Del Rio , Wei-Jun Yang , Lydell S Powell , Xuefei Chen , Andrew Brocker
发明人: Edward E Baker , Robert Jerger , James J Daley , John R Jaye , Roger C Sager , Joseph M Dekar , Mark L Lott , Brian L Terwedo , Jospeh B Unsworth , Jordan E Easter , Luis J Del Rio , Wei-Jun Yang , Lydell S Powell , Xuefei Chen , Andrew Brocker
IPC分类号: F01N3/023 , F02M35/024 , G01N27/26 , F01N11/00 , F02D41/02
CPC分类号: F01N3/023 , F01N11/007 , F02D41/029 , F02M35/024 , G01N27/26
摘要: A diagnostic system and method for a gasoline particulate filter (GPF) of an exhaust system of a vehicle comprise at least one heater associated with at least one oxygen (O2) sensor disposed proximate to the GPF in the exhaust system and a controller configured to determine a status of the GPF based on a duty cycle of the at least one O2 sensor heater and, based on the determined status of the GPF, detect a malfunction of the GPF or whether to regenerate the GPF.
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公开(公告)号:US10161322B2
公开(公告)日:2018-12-25
申请号:US15359679
申请日:2016-11-23
申请人: Roger C Sager , James Daley , Joseph Dekar , Brian L Terwedo , Derek R Robson , Daniel E Hornback
发明人: Roger C Sager , James Daley , Joseph Dekar , Brian L Terwedo , Derek R Robson , Daniel E Hornback
摘要: An evaporative emissions (EVAP) system for a vehicle includes a waste heat control valve configured to direct an exhaust gas from an exhaust treatment system, the waste heat control valve being positioned at a point downstream from a catalyst of the exhaust treatment system, a vapor canister configured to store a fuel vapor evaporated from a liquid fuel housed in a fuel tank of the vehicle, and a heat exchanger connected to (i) the fuel tank, (ii) the waste heat control valve, and (iii) the vapor canister, the heat exchanger being configured to (a) utilize the exhaust waste heat to evaporate the fuel vapor from the liquid fuel and (b) provide the evaporated fuel vapor to the vapor canister. A method of operating the EVAP system includes controlling the waste heat control valve and a fuel pump to provide the vapor canister with a desired amount of fuel vapor.
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