Patent ID: 8201588
Filing Date: 2012-06-19
Classification: A47G,B67D,F04B,Y10T

Abstract:
1. A portable fluid exchange system for pumping liquid from a source container to a destination container and concurrently pumping vapor from said destination container to said source container, said portable fluid exchange system comprising: the source container having a substantially hollow interior for retaining liquid and vapor therein; at least one pump for pumping liquid out from said source container and for concurrently pumping vapor into said source container, wherein the pump includes a liquid inlet and a vapor outlet in fluid communication with said substantially hollow interior of said source container, and further includes a liquid outlet and a vapor inlet; a liquid deliverer in fluid communication with the liquid outlet, for delivering liquid out from said pump; a vapor deliverer in fluid communication with the vapor inlet for delivering vapor into said pump; and, an actuation mechanism for actuating said pump to concurrently pump liquid out from said pump through said liquid outlet and vapor into said pump through said vapor inlet, and concurrently pump vapor out from said pump through said vapor outlet and liquid into said pump through said liquid inlet.