Invention Grant
- Patent Title: Temperature compensation method for an air suspension after engine shut-off
- Patent Title (中): 发动机关闭后空气悬架的温度补偿方法
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Application No.: US12580281Application Date: 2009-10-16
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Publication No.: US09050871B2Publication Date: 2015-06-09
- Inventor: Yunjun Li , John X. Cui , Steven A. Opiteck , Jonathan Darab , Nikolai K. Moshchuk
- Applicant: Yunjun Li , John X. Cui , Steven A. Opiteck , Jonathan Darab , Nikolai K. Moshchuk
- Applicant Address: US MI Detroit
- Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee: GM GLOBAL TECHNOLOGY OPERATIONS LLC
- Current Assignee Address: US MI Detroit
- Main IPC: G06F17/00
- IPC: G06F17/00 ; B60G17/019 ; B60G17/052
Abstract:
A method for temperature compensating an air spring of an air spring suspension of a motor vehicle after engine shut-off. A desired trim height is obtained. At engine shut-off, the ambient temperature is measured and the temperature of air in the air spring determined. After a wait time (for loading/unloading), a start trim height is measured. A predicted trim height is determined for when the air in the air spring is at the ambient temperature. Finally, the volume of the air in the air spring is selectively adjusted so that when the air in the air spring arrives at the ambient temperature, the trim height will be about the desired trim height.
Public/Granted literature
- US20110093166A1 Temperature Compensation Method for an Air Suspension After Engine Shut-Off Public/Granted day:2011-04-21
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