Dual Piston Valve for Flow Control of Two Distinct Liquid Fuels

摘要

A dual piston valve system to control and contain two distinct liquid fuels available to the valve while allowing full flow through the valve of whichever one of the fuels is selected and preventing any cross leakage between the fuels.

主权项

1. A method for controlling and containing fluid flow as between or among two or more different or distinct liquid fuels available to a valve that has at least two positions and three ports for these fluids, comprising:
producing full flow of one of the fuels through the valve and complete shut-off by the valve of the other of the two fluids available to the valve.