Groove mounted resilient valve seat having a deformable lip

Details Groove mounted resilient valve seat having a deformable lip Groove mounted resilient valve seat having a deformable lip

F - Mech Eng,Light,Heat,Weapons

16

K

251/49

F16K 5/00 (2006.01) F16K 5/06 (2006.01)

Patent

CA 1054126

ABSTRACT OF THE DISCLOSURE A valve has an annular seat member coaxially mounted in a groove in the valve body around the outlet passageway. The groove has parallel sides which are perpendicular to its bottom. The seat member has a lesser radial thickness than the groove and it extends into the valve chamber terminating at an outer surface and having a lip extending from the outer surface from around the seat member annulus, and additionally having a outer annular resting surface contacting the groove bottom and an inclined inner annular bottom portion inward of the resting sur- face and divergent from the groove bottom toward the seat member annulus. The seat member is constructed of a deformable material with the lip being deformed when the seat member is loaded in compression as the valve is assembled. Upon loading the seat member it pivots about an outer corner located at an outer peripheral portion of the annular resting surface portion and it deforms a limited amount so sides thereof contact adjacent sides of the groove.

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