Patent ID: 6102065
Filing Date: 2000-08-15
Classification: B60K,F02M,F17C,Y02T,Y10T

Abstract:
A liquid propane delivery apparatus including a main tank, a reserve tank, output conduit connectable to a liquid propane operated apparatus and a conduit assembly interconnecting said main tank, reserve tank and output conduit, said conduit assembly consisting essentially of:a first conduit connectable to a first shutoff valve disposed on said main tank and in fluid communication with said output conduit, said first shutoff valve allowing liquid propane flow to said first conduit when said first shutoff valve is in said open position;a second conduit connectable to a second shutoff valve on said reserve tank and in fluid communication between said first conduit and said outlet conduit, said second valve operative to move from a closed position to an open position allowing liquid propane flow into said second conduit and into said reserve tank from said main tank when in said open position;liquid propane in said reserve tank flowing into said output conduit only when said main tank has been substantially depleted of liquid propane and said first shutoff valve is closed and said second shutoff valve is opened;said reserve tank oriented with said second shutoff valve positioned at a lower point of said reserve tank and above said first shutoff valve whereby only liquid propane is drawn from said reserve tank until the supply of liquid propane in said reserve tank is exhausted when said second shutoff valve is open.