Filling pipe-free filling structure with separate conduits for the tension and return gas and for withdrawing excess fluid

Claim 1

In a device for filling containers, such as bottles, with liquid and having a housing and wherein the container has the filling opening thereof sealingly engageable with the bottom of said housing, said housing having liquid supply means connected thereto and adapted for communicating with a port in the bottom of the housing for the supply of liquid to the filling opening of said container, a tubular first valve member in said housing and a seat in the housing stream from said port engageable by said valve member to interrupt liquid flow into the container via said port, a tubular second valve member extending axially through said first valve member with clearance and out said port so as to extend into a container engaging the bottom of the housing and forming a downwardly lengthened return conduit extending from the container beyond liquid exit to a region of discharge, said second valve member controlling communication between a tension gas on said liQuid and the interior of said container, and a control element at the lower end of said second valve member sensitive to the rising liquid level in the container being filled and adapted to control the closing of said first valve member.