Patent ID: 6669168
Filing Date: 2003-12-30
Classification: F16L,Y10T

Abstract:
In a quick connect coupling of the type having a male coupling component and a female coupling component that interfit in a locked and unlocked relationship with each other, the female coupling component having a hollow body, a tubular body extension that extends from a first end of the hollow body and a valve element that can translate along a longitudinal axis of the quick connect coupling, the male coupling component having a tubular stem portion that translates the valve element when the quick connect coupling is fully assembled to a locked position; the improvement comprising:a valve seat member slideably received within the female coupling component; said valve seat member having a generally cylindrical body with a generally cylindrical inner surface adapted to receive a first end of the male coupling component tubular stem portion, and said valve seat member having a generally cylindrical outer surface; said inner surface at one end thereof having a tapered valve scat area that cooperates with the valve element; a first recess formed in said inner surface, a first seal disposed in said first recess; a second recess formed in said outer surface, and a second seal disposed in said second recess; said tubular body extension being an unwetted component.