Multi-port valve assembly
A multi-port valve apparatus is described which consists of: a base, pairs of valve block means, each valve block means being adapted to conduct fluid through a bore therewithin, each valve block means having an orifice at the face of its bore, and having first and second seals surrounding its orifice; each pair of valve block means being mounted on the base within the valve block means of each pair aligned so that their orifices are aligned, the valve block means face each other and they are positioned with a gap therebetween; web means positioned in the gap and slidable therein, the web means being in sealing contact with the first and second seals of each pair of valve block means, the web means having at least one aperture therethrough; each of the first and second seals respectively comprising an ''O'' ring positioned in a groove in the face of the valve block means, sealingly engaged therewith, and a washer seal also positioned in the groove, sealingly engaged with the ''O'' ring and with the web, the ''O'' ring and the washer seal being elastomeric, and compression of the ''O'' ring urges the washer seal against the web; the first and second seals being positioned such that the distance between them is at least as great as the size of the web aperture, the size being measured in the direction coincident with the direction of motion of the aperture; motor means to move the web means in order to progress its aperture from alignment with the orifices of one pair of valve block means and into alignment with the orifices of a different pair of valve block means.
- Assignee:
- Dept. of Energy, Washington, DC
- Patent Number(s):
- US 4576201
- OSTI ID:
- 5628736
- Resource Relation:
- Patent File Date: Filed date 16 Nov 1984
- Country of Publication:
- United States
- Language:
- English
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Multi-port valve assembly
Multi-port valve assembly