Anti-fluttering check valve

Details Anti-fluttering check valve Anti-fluttering check valve

1985-11-22

1990-06-05

Nilson, Robert G.

Fluid handling

Line condition change responsive valves

Direct response valves

137542, 251 64, F16K 1506

Patent

active

049305395

ABSTRACT:
An anti-fluttering valve construction includes a valve member with integral stem received in an oversize cylindrical bore in a guide which can give rise to fluttering of the valve member when it is unseated. To avoid fluttering, the guide at one or both ends of the bore is segmented and a spring surrounds the free ends of the segments to deform them inwardly to define a conically inwardly tapering portion of the bore which makes highly localized contact with the valve stem. '

REFERENCES:
patent: 2357321 (1944-09-01), Fuller
patent: 2564815 (1951-08-01), Raymond
patent: 4194527 (1980-03-01), Schonwald
patent: 4481974 (1984-11-01), Schmitt

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