Patent ID: 6668858
Filing Date: 2003-12-30
Classification: F16K,Y10T

Abstract:
A check valve comprising a valve body, a sealing assembly provided within said valve body and at least one wall pivot joint between said sealing assembly and said valve body, said valve body having an inner wall surface, an inlet port, an outlet port and a valve seat adjacent said inlet port, said sealing assembly comprising an armature having a proximal end and a distal end, a sealing member and a seal pivot joint, said sealing member being pivotally attached to said distal end of said armature at said seal pivot joint, said proximal end of said armature being pivotally attached to said inner wall surface of said valve body at said wall pivot joint, said sealing member being biased, via a biasing force, in a seated position against said valve seat, wherein said sealing member is Pivotable relative to said armature about said pivot joint but not translatable relative to said armature.