Invention Grant
- Patent Title: Method and device for diagnosing a ventilation line of an internal combustion engine fuel tank
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Application No.: US17655106Application Date: 2022-03-16
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Publication No.: US12092057B2Publication Date: 2024-09-17
- Inventor: Thomas Pichler , Thomas Koenig
- Applicant: Vitesco Technologies GmbH
- Applicant Address: DE Regensburg
- Assignee: Vitesco Technologies GmbH
- Current Assignee: Vitesco Technologies GmbH
- Current Assignee Address: DE Regensburg
- Priority: DE 2019214241.9 2019.09.18
- Main IPC: F02M25/08
- IPC: F02M25/08
Abstract:
A method and a device for diagnosing a ventilation line of a motor vehicle are provided. The ventilation line is arranged between a fuel tank and an activated carbon filter. The motor vehicle has a control unit (ECU) and is powered by an internal combustion engine. The state of a vacuum switch is evaluated for the diagnosis.
Public/Granted literature
- US20220205414A1 Method and Device for Diagnosing a Ventilation Line of an Internal Combustion Engine Fuel Tank Public/Granted day:2022-06-30
Information query
