Patent ID: 6516831
Filing Date: 2003-02-11
Classification: E21B,F16L,Y10S,Y10T

Abstract:
An undersea hydraulic coupling comprising:(a) a female coupling having a body with an internal bore extending therethrough, a normally closed poppet valve positioned in the bore for controlling the flow of hydraulic fluid therethrough, and receiving chamber having at least one annular seal retained therein; and (b) a male coupling member having a body and a probe insertable into the receiving chamber, a first internal bore through the body and a second internal bore through the probe, the second internal bore having a smaller diameter than the first internal bore, a normally closed poppet valve in the first internal bore and a poppet valve actuator extending through the second internal bore, a plurality of grooves around the outer circumference of the probe, and a radial seal positioned in each groove.