Fluid handling – Systems – Multi-way valve unit
Patent
1989-12-29
1991-02-05
Rosenthal, Arnold
Fluid handling
Systems
Multi-way valve unit
13762533, 1376253, 251121, 251122, 138 45, F16K 4704
Patent
active
049896423
ABSTRACT:
A throttling valve that has an outer ring unit having a plurality of superimposed cylindrical shaped outer throttling rings that define a series of annular passages between the rings. An inner ring unit also having a plurality of superimposed cylindrical shaped inner throttling rings is adapted to movably support the inner rings within the annular passages to establish elongated flow orifices between the adjacent surfaces of the rings. The geometry of each orifice is arranged so that the fluid in transit remains attached to the control surfaces of each orifice and to insure that the static pressure along the length of the orifice remains above the dynamic pressure. The tip region of each orifice is provided with a diverging flow section to further insure quiet performance along the entire length of the orifice.
REFERENCES:
patent: 240549 (1881-04-01), Salomon
patent: 2810259 (1957-10-01), Burdett, Jr.
patent: 4003405 (1977-01-01), Hayes et al.
patent: 4150696 (1979-04-01), Meier et al.
patent: 4473210 (1984-09-01), Brighton
patent: 4607819 (1986-08-01), Spils
Control Components Inc. Brochure, DRAG Control Valves for Critical Service Applications.
Hopkinson Harold H.
Jones Caldwell
Moeller John D.
Perry Dave L.
Silva Gabriel
Rosenthal Arnold
Young & Franklin Inc.
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