Split venturi, axially-rotated valve

Details Split venturi, axially-rotated valve Split venturi, axially-rotated valve

1997-09-08

2000-08-29

Michalsky, Gerald A.

Fluid handling

With casing, support, protector or static constructional...

Static constructional installations

251124, 251304, F16K 302

Patent

active

061092932

ABSTRACT:
The present invention provides an axially-rotated valve which permits increased flow rates and lower pressure drop (characterized by a lower loss coefficient) by using an axial eccentric split venturi with two portions where at least one portion is rotatable with respect to the other portion. The axially-rotated valve typically may be designed to avoid flow separation and/or cavitation at full flow under a variety of conditions. Similarly, the valve is designed, in some embodiments, to produce streamlined flow within the valve. A typical cross section of the eccentric split venturi may be non-axisymmetric such as a semicircular cross section which may assist in both throttling capabilities and in maximum flow capacity using the design of the present invention. Such a design can include applications for freeze resistant axially-rotated valves and may be fully-opened and fully-closed in one-half of a complete rotation. An internal wide radius elbow typically connected to a rotatable portion of the eccentric venturi may assist in directing flow with lower friction losses. A valve actuator may actuate in an axial manner yet be uniquely located outside of the axial flow path to further reduce friction losses. A seal may be used between the two portions that may include a peripheral and diametrical seal in the same plane.

REFERENCES:
patent: 194973 (1877-09-01), Phillips
patent: 222680 (1879-12-01), Dows
patent: 286508 (1883-10-01), Vadersen et al.
patent: 332731 (1885-12-01), Miller
patent: 958079 (1910-05-01), Bennett
patent: 960675 (1910-06-01), Murphy
patent: 1317789 (1919-10-01), Hoar
patent: 1334870 (1920-03-01), Lowry
patent: 1406191 (1922-02-01), Irving
patent: 1443231 (1923-01-01), McCauley
patent: 1556979 (1925-10-01), Uschman
patent: 1777434 (1930-10-01), Herzbrun
patent: 2198455 (1940-04-01), Mueller et al.
patent: 2304303 (1942-12-01), Ferguson
patent: 2507467 (1950-05-01), Fredrickson
patent: 2508958 (1950-05-01), Manville
patent: 2750962 (1956-06-01), Kreitchman et al.
patent: 2767019 (1956-10-01), Manville
patent: 2822818 (1958-02-01), Breznick
patent: 2894695 (1959-07-01), Beltcher et al.
patent: 2949240 (1960-08-01), Koolnis
patent: 2977988 (1961-04-01), Drobilits et al.
patent: 3073566 (1963-01-01), Bredtschneider
patent: 3096786 (1963-07-01), Rost
patent: 3145010 (1964-08-01), Karr, Jr.
patent: 3176720 (1965-04-01), Donahue
patent: 3273851 (1966-09-01), Rosch, Jr. et al.
patent: 3424189 (1969-01-01), Woodford
patent: 3506030 (1970-04-01), Vesco
patent: 3521667 (1970-07-01), Johnson
patent: 3533554 (1970-10-01), Mongerson
patent: 3736959 (1973-06-01), Parkison
patent: 3749355 (1973-07-01), Paul, Jr.
patent: 3762682 (1973-10-01), Franck
patent: 3779508 (1973-12-01), Paul, Jr.
patent: 3848806 (1974-11-01), Samuelsen et al.
patent: 3954250 (1976-05-01), Grace
patent: 4022243 (1977-05-01), Edwards
patent: 4066090 (1978-01-01), Nakajima et al.
patent: 4117856 (1978-10-01), Carlson
patent: 4178956 (1979-12-01), Fillman
patent: 4200124 (1980-04-01), Stratynski et al.
patent: 4261332 (1981-04-01), Stewart
patent: 4301972 (1981-11-01), Rudelick
patent: 4316481 (1982-02-01), Fillman
patent: 4475570 (1984-10-01), Pike et al.
patent: 4483361 (1984-11-01), Jungbert, Sr.
patent: 4520836 (1985-06-01), Hutter, III
patent: 4532954 (1985-08-01), Fillman
patent: 4596377 (1986-06-01), Taylor
patent: 4809732 (1989-03-01), Buehler
patent: 4844116 (1989-07-01), Buehler et al.
patent: 5004157 (1991-04-01), Martell
patent: 5355905 (1994-10-01), Burgess et al.
patent: 5413134 (1995-05-01), Burgess et al.
patent: 5476246 (1995-12-01), Wendel et al.
patent: 5573186 (1996-11-01), Loschelder
patent: 5622203 (1997-04-01), Givier et al.
Febco.RTM. Cross Connection Control Handbook, pp. 1-12 (Undated).
Febco.RTM. Backflow Prevention Assemblies, "Backflow Prevention Assemblies: Why They Are Needed" (Undated).
Watts Regulator advertisement of TWS Hydrant (Undated).
Woodford Mfg. Co. Model B60, 65 and 25 Freezeless Wall Faucets brochure (Undated).
Jay R. Smith Mfg. Co. Quarterhorse 1/4 Turn Non Freeze Wahl Hydrant brochure (Undated).
McMaster Carr Co. 1989 cata. advertisement for Remote Mechanical Valve Actuator.
Apollo.RTM. advertisement for ball valve with center drain (Undated).
Introduction to Fluid Mechanics, Fox & McDonald, publ. 1973, Laminar and Turbulent Flows, pp. 43-44, 312-323.
Beckwith, Thomas, Marangoni, Roy, Lienhard V, John, Mechanical Measurements p. 617 (Addison-Wesley Publ. Co. 5th ed. 1993).
Munson, Bruce, Young, Donald, Okiishi, Theodore, Fundamentals of Fluid Mechanics, pp. 492-501, 555-559 (John Wiley & Sons 2d. ed. 1994).

Affiliated with

Also associated with

Rating

Split venturi, axially-rotated valve does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Split venturi, axially-rotated valve, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Split venturi, axially-rotated valve will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1238758