Patent ID: 9038955
Filing Date: 2015-05-26
Classification: B64D,Y10T

Abstract:
1. A fuel transfer system for an aircraft comprising: an upper tank for storing fuel; a lower tank for storing fuel, the lower tank being disposed below the upper tank; a fuel transfer line connecting the upper tank to the lower tank; an upper fuel transfer line outlet in the lower tank and in fluid communication with the upper tank, wherein fuel transferred from the upper tank to the lower tank passes through the fuel transfer line and the upper fuel transfer line outlet; a lower fuel transfer line outlet in the lower tank and in fluid communication with the upper tank, wherein fuel transferred from the upper tank to the lower tank passes through the fuel transfer line and the lower fuel transfer line outlet; an upper float valve associated with the upper fuel transfer line outlet for opening and closing the upper fuel transfer line outlet; and a lower float valve associated with the lower fuel transfer line outlet for opening and closing the lower fuel transfer line outlet.