Patent ID: 8109300
Filing Date: 2012-02-07
Classification: B67D

Abstract:
1. A portable system for transferring a liquid from a first tank to a second tank comprising: a trailer connectable to a vehicle; a pump having a pump inlet and a pump outlet mounted on the trailer; an inlet hose connectable to the first tank and the pump inlet for communicating liquid from the first tank to the pump; an outlet hose connectable to the second tank and the pump outlet for communicating the liquid from the pump to the second tank; a vapor conduit having a first end connectable to the first tank and a second end connectable to the second tank, wherein vapor from the second tank may be communicated through the vapor conduit into the first tank as liquid from the first tank enters the second tank; a flow meter in communication with the outlet of the pump for measuring the amount of liquid pumped by the pump through the outlet hose; a pressure valve for removing vapor from the liquid prior to the liquid entering the flow meter; and a vapor tank in communication with the pressure valve for receiving the vapor removed from the liquid.