F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
137/56
F16K 15/02 (2006.01)
Patent
CA 1272936
CHECK VALVE Abstract of the Disclosure A poppet check valve comprising mating body forming sections which define a valve chamber having a cylindrical inner wall. A generally cylindrical inlet passage connects axially with the valve chamber and a shoulder at the juncture between the inlet passage and the chamber defines an annular valve seat. Positioned in the chamber and extending transversely thereof is a relatively thin disk-like valve element. The valve element has a generally circular imperforate central section of a diameter greater than the diameter of the inlet passage hut less than the diameter of the valve chamber. A plurality of legs extend radially from the periphery of the central section into sliding engagement with the inner wall of the valve chamber. A circular seal element is joined to one side of the central section at a location inwardly of its outer periphery to extend axially toward the valve seat. The valve element is maintained under a bias toward the seat by a coil spring mounted in the valve chamber. Positioned between the spring and the valve element is a stop member including a plurality of radially spaced, axially extending force applying elements for engaging the central section of the valve element on the side opposite the seal element, The stop also includes guide surfaces extending radially outwardly of the force applying elements into sliding engagement with the wall of the valve chamber at a location axially spaced from the valve element.
526506
Medvick Richard John
Scheffel Gary William
Steiss William Carl
Nupro Company
Ridout & Maybee Llp
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