Fluid handling – Systems – Multi-way valve unit
Patent
1985-12-19
1987-02-10
Schwadron, Martin P.
Fluid handling
Systems
Multi-way valve unit
251175, 251176, 251180, 251316, 251363, F16K 11072, F16K 2500
Patent
active
046416854
ABSTRACT:
A valve assembly for insertion into a valve body. The valve assembly includes a valve insert adapted to be positioned axially within the valve body. The valve insert has a longitudinally extending fluid passageway therethrough including an inlet opening at one end in communication with a source of fluid under pressure and an outlet opening at the other end remote from the fluid source and includes a seal disposed between the valve insert and the valve body to only permit flow of the fluid through the fluid passageway. In addition, the valve insert includes a sealing surface extending about the outlet opening. The valve assembly also includes a valve stem adapted to be in axially positioned alignment with the valve insert. The valve stem has a stem surface adapted to be positioned in generally parallel closely spaced relation to the sealing surface of the valve insert and is spaced inwardly of the valve body about at least a portion of its periphery to define a fluid passageway between the valve stem and the valve body. In addition, the valve stem has a longitudinally extending seal-receiving bore in the stem surface for selective alignment with the outlet opening in response to rotation of the valve stem. The valve assembly further includes a resilient seal extending from the seal-receiving bore for compressed sealing engagement with the sealing surface of the valve insert. With this arrangement, the valve assembly is closed and open when the seal-receiving bore and resilient seal are aligned and not aligned with the outlet opening, respectively.
REFERENCES:
patent: 17855 (1857-07-01), Gale
patent: 3831621 (1974-08-01), Anthony et al.
patent: 3834416 (1974-09-01), Parkison
patent: 4126297 (1978-11-01), Skor et al.
patent: 4360040 (1982-11-01), Cove et al.
Schwadron Martin P.
Starsiak Jr. John S.
Universal-Rundle Corporation
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