Invention Grant
- Patent Title: Leak detection for canister purge valve
- Patent Title (中): 罐式清洗阀泄漏检测
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Application No.: US13939096Application Date: 2013-07-10
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Publication No.: US09255553B2Publication Date: 2016-02-09
- Inventor: Aed M. Dudar , Dennis Seung-Man Yang
- 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 James Dottavio
- Main IPC: F02M25/08
- IPC: F02M25/08 ; F02D41/00 ; F02D29/02 ; F02D41/22
Abstract:
Methods and systems for detecting a leak in a canister purge valve are disclosed. In one example approach, a method comprises indicating a leak in response to a temperature change in a fuel vapor canister coupled to a fuel tank in an emission control system while the engine is in operation and a purge valve is closed.
Public/Granted literature
- US20150019066A1 LEAK DETECTION FOR CANISTER PURGE VALVE Public/Granted day:2015-01-15
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