发明授权
US4384630A System to increase vehicle fuel efficiency 失效
提高车辆燃油效率的系统

System to increase vehicle fuel efficiency
摘要:
A duct system is disclosed for increasing the efficiency of a vehicle by decreasing the air resistance of the vehicle. The system utilizes a ducting system with a cowling at the front end and the back to equalize air pressure and to decrease turbulence in areas surrounding the vehicle. An engine driven fan provides air flow to equalize the air pressure in the ducts.
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