Invention Grant
- Patent Title: Learning of EGR valve lift and EGR valve flow transfer function
- Patent Title (中): 学习EGR阀提升和EGR阀流量传递功能
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Application No.: US13973672Application Date: 2013-08-22
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Publication No.: US09267453B2Publication Date: 2016-02-23
- Inventor: Gopichandra Surnilla , Daniel Joseph Styles , James Alfred Hilditch , Imtiaz Ali
- Applicant: Ford Global Technologies, LLC
- Applicant Address: US MI Dearborn
- Assignee: Ford Global Technologies, LLC
- Current Assignee: Ford Global Technologies, LLC
- Current Assignee Address: US MI Dearborn
- Agency: Alleman Hall McCoy Russell & Tuttle LLP
- Agent Julia Voutyras
- Main IPC: F02D41/26
- IPC: F02D41/26 ; F02D41/00 ; F02D41/24 ; F02M35/10 ; F02M25/07 ; F02D41/14 ; F02D11/10
Abstract:
Methods and systems are provided for improving accuracy of delta pressure over valve (DPOV) based EGR flow measurement during low valve lift conditions by learning errors in EGR valve lift and/or EGR valve flow transfer function.
Public/Granted literature
- US20150053186A1 LEARNING OF EGR VALVE LIFT AND EGR VALVE FLOW TRANSFER FUNCTION Public/Granted day:2015-02-26
Information query
