Liquid flow control assembly

Details Liquid flow control assembly Liquid flow control assembly

1988-05-09

1989-06-06

Rosenthal, Arnold

Valves and valve actuation

With material guide or restrictor

Spiral guide or spiral restrictor

251127, 251333, F16K 108, F16K 4700

Patent

active

048364983

ABSTRACT:
Liquid flow through a passage (9) in a body member (7) is controlled by a relatively movable poppet valve member (8). A frusto-conical first guide surface (11) on the poppet valve (8) merges smoothly with a second guide surface (12 and 13) which, in cross-section, has part-circulr portion (12) and an outlet end (13). Liquid passing through an aperture (10) between the body member (7) and the poppet valve member (8) flows along the first guide surface (11) and the second guide surface (12 and 13) and adopts a toroidal vortex flow pattern and this controls the collapse of those bubbles which form as a result of cavitation so as to diminish audible and inaudible vibrations.

REFERENCES:
patent: 342267 (1886-05-01), Richardson
patent: 675513 (1901-06-01), Kaplinger
patent: 1506546 (1922-06-01), Oleson
patent: 1919232 (1933-07-01), Lee
patent: 2114858 (1938-04-01), Rosch
patent: 2187787 (1938-05-01), Kinzie
patent: 3469591 (1969-09-01), Odendahl
J. Blackburn et al., Fluid Power Control, pp. 296-313 (New York, 1960).

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