Patent ID: 8689828
Filing Date: 2014-04-08
Classification: F16K,F16L,Y10T

Abstract:
1. A poppet valve for a hydraulic coupling comprising: a poppet valve body having a first, sealing portion in the shape of a conical frustum and a second, generally cylindrical portion adjacent the first portion; a first, annular, radial spacer projecting from the cylindrical portion of the poppet valve body; a second, annular, radial spacer projecting from the cylindrical portion of the poppet valve body in spaced apart relation to the first spacer which second spacer comprises a plurality of axial slots; a central axial cavity in the poppet valve body that is substantially closed at a first end thereof and open at an opposing second end and having a threaded portion therein; a pressure-relief valve within that portion of the central axial cavity that is situated in the second, generally cylindrical portion of the poppet valve body; and, a spring seat in threaded engagement with the central axial cavity which spring seat comprises a first end configured to receive a poppet valve actuator spring and an opposing second end having a ball valve seat and a fluid passageway connecting the first end to the ball valve seat.