Fluid handling – Systems – Multi-way valve unit
Reexamination Certificate
2006-02-14
2006-02-14
Fox, John (Department: 3753)
Fluid handling
Systems
Multi-way valve unit
C210S142000, C210S264000
Reexamination Certificate
active
06997213
ABSTRACT:
A multiport rotary valve is described providing the interconnection of a plurality of conduits with a predetermined cycle. The valve uses a stack of plates defining channels and ports to form the fluid circuits.
REFERENCES:
patent: 3040777 (1962-06-01), Carson et al.
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patent: 3201491 (1965-08-01), Stine et al.
patent: 3291726 (1966-12-01), Broughton
patent: 3422848 (1969-01-01), Liebman et al.
patent: 4632149 (1986-12-01), Oroskar et al.
patent: 4705627 (1987-11-01), Miwa et al.
patent: 6889710 (2005-05-01), Wagner
Oroskar Anil R.
Sprague Robert T.
Towler Gavin P.
Fox John
Gooding Arthur E.
Molinard Frank S.
Tolomei John G.
UOP LLC
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