Patent ID: 6866062
Filing Date: 2005-03-15
Classification: F16K,Y10T

Abstract:
1. A check valve in combination with a storage tank for holding compressed gas, the check valve comprising an elongate body having a passage extending therethrough from a first end constituting its end for entry of gas under pressure to flow through to a second end constituting its end for exit of the gas, said exit end of the body comprising a terminus of the check valve, said passage being formed with a valve seat intermediate its ends spaced from and directed toward the exit end, a retainer fixed in the passage spaced downstream from the seat apertured for the exit of the gas, said retainer having a rigid construction with a substantially central sleeve extending therefrom toward the seat, a poppet slidable in the sleeve biased for engagement with the seat for blocking flow through the passage and disengagement from the seat on pressurization above a predetermined value for flow in the space around the sleeve and through the retainer for exit from the passage, wherein the retainer is positioned adjacent the terminus at the exit end of the body to provide for accessibility in attaching the retainer in the passage, the check valve being mounted on said storage tank with its exit end projecting into an interior of the tank and free from connection to another body, such that the retainer faces the interior of the tank and gas is delivered through said apertured retainer directly into the interior of the tank.