车辆下线阶段的供油控制方法、装置、设备、介质及车辆
By detecting the fuel tank level and the number of times the fuel system is powered on after a new car rolls off the production line, and controlling the fuel supply sequence, the problem of wear and blockage of fuel system components during the new car production period is solved, achieving efficient component maintenance, improving user satisfaction and reducing the failure rate.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- GREAT WALL MOTOR CO LTD
- Filing Date
- 2022-05-07
- Publication Date
- 2026-07-17
AI Technical Summary
In the existing technology, the fuel system components are not effectively maintained during the new vehicle production period, which makes the high-pressure fuel system components prone to wear or blockage, affecting customer satisfaction and maintenance costs.
After the new vehicle rolls off the production line, the fuel tank level and the number of times the electronic control unit is powered on are checked. The high-pressure fuel pump metering switch is turned off, the electronic fuel pump is started, and after a preset time, the high-pressure fuel pump metering switch is turned on. Fuel is then fed into the low-pressure fuel line through the electronic fuel pump to expel air and lubricate the high-pressure fuel pump to prevent wear. Impurities are also circulated in the low-pressure line to clean it.
It effectively avoids the dry running wear of the electronic fuel pump and high-pressure fuel pump, reduces the failure rate of the injector and high-pressure fuel pump, improves user satisfaction, and does not increase hardware costs.
Smart Images
Figure CN117052551B_ABST