Fluid handling – Systems – Multi-way valve unit
Patent
1984-12-28
1986-03-11
Cohan, Alan
Fluid handling
Systems
Multi-way valve unit
13762546, 251174, F16K 1106
Patent
active
045748403
ABSTRACT:
A unitary axial multiport rotary valve capable of accomplishing the simultaneous interconnection of a plurality of conduits in accordance with a previously determined cycle, where any conduit communicates with no more than one other conduit at any one cycle step, or valve index position. The conduits to be interconnected are attached to a hollow stationary body, or stator assembly, which is comprised of three sections, or elements, each of which is cylindrical in exterior form. There are fluid flow paths in a rotating body, or rotor assembly, which is located inside the stator assembly. The rotor assembly assumes various positions according to the cycle steps and distributes fluid flowing into and out of the valve in a different manner in each cycle step. There are spaces between the rotor and stator assemblies which contain sealing means for prevention of leakage and definition of flow passages. In one embodiment, the rotor assembly is configured such that axial forces exerted by the fluid streams are exerted equally in both directions, thereby providing a balanced rotor assembly floating between its axial restraints.
REFERENCES:
patent: 2985589 (1961-05-01), Broughton et al.
patent: 3040777 (1962-06-01), Carson et al.
patent: 3192954 (1965-07-01), Gerhold et al.
patent: 3422848 (1969-01-01), Liebman et al.
patent: 4286624 (1981-11-01), Clausen et al.
Dolejs Charles A.
Schick David L.
Schumann Gary M.
Cohan Alan
Cordovano Richard J.
McBride Thomas K.
Page II William H.
Rivell John A.
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