Patent ID: 8173070

Claim:
A device for impelling one or more liquids through an exit conduit comprising: a housing having a chamber for receiving and/or holding one or more liquids under pressure and an exterior surface, and said housing having at least a first exit opening, a first inlet opening, a second exit opening, and a second inlet opening, each opening extending from said chamber to said exterior surface for receiving conduit means; a first exit conduit means received by said first exit opening in communication with said chamber for transporting liquids from said chamber out of said first exit opening, said first exit conduit means for connection with an analytical device; a first inlet conduit means received by said first inlet opening in communication said chamber for transporting a first liquid into said chamber, said first inlet conduit means for connection to a first supply device; a second inlet conduit means received by said second inlet opening in communication with said chamber for transporting a second liquid into said chamber, said second inlet means for connection with a second supply device; a second exit conduit means received by said second exit opening in communication with said chamber for transporting liquids from said chamber out of said second exit opening, said second exit conduit means for connection with a waste receptacle; at least one valve means disposed in at least one of said first exit conduit means, said second exit conduit means and said second inlet conduit means, said valve means having a closed position wherein liquid is prevented from flowing through said valve means and an open position wherein said liquid is allowed to flow through said valve means, said valve means responsive to a signal to assume one of said positions; and at least one fitting disposed between an opening and its associated conduit means, for forming a liquid-tight seal between said opening and associated conduit means and for retaining said associated conduit means in said opening when said pressure in said chamber is elevated, wherein said chamber is for receiving liquid from each of said first inlet conduit means and said second inlet conduit means, and for discharging liquid through said first exit conduit means and said second exit conduit means, and wherein said at least one fitting retains the associated conduit means in the opening at a chamber pressure between 15,000 psi and a maximum pressure of 120,000 psi.