Rotary disc valve

Details Rotary disc valve Rotary disc valve

2006-08-24

2008-09-23

Lee, Kevin L (Department: 3753)

Fluid handling

Systems

Programmer or timer

C137S624180, C137S625110

Reissue Patent

active

RE040511

ABSTRACT:
A multi-port rotary disc valve comprising a stator with a plurality of fluid flow ports and a rotary distributor with a plurality of channels arranged in a channel pattern. The channels are adapted to connect the ports between them and/or to the environment in a plurality of predetermined combinations, each combination being associated with an angular position of the rotary distributor with respect to the stator. The succession of combinations performed during a full or partial unidirectional turn of the rotary distributor consitute a predetermined sequence. The rotary distributor comprises a rotor and a mask mounted movably thereon, the rotor and the mask accommodating the plurality of channels. The mask is adapted to change the channel pattern by changing its position with respect to the rotor, thereby enabling the rotary disc valve to perform different predetermined sequences corresponding to different positions of the mask.

REFERENCES:
patent: 4441523 (1984-04-01), Stoll
patent: 4478248 (1984-10-01), DeVall et al.
patent: 4614205 (1986-09-01), Oroskar
patent: 5014681 (1991-05-01), Heeman et al.
patent: 5848610 (1998-12-01), Livernash et al.
patent: 6345645 (2002-02-01), Kenna et al.
patent: 01-145474 (1989-07-01), None
patent: WO 99 02905 (1999-01-01), None

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