Slide valve

Details Slide valve Slide valve

1995-12-18

1996-11-26

Fox, John C.

Valves and valve actuation

With means to increase head and seat contact pressure

With positive reduction

251193, F16K 320

Patent

active

055777074

ABSTRACT:
A slide valve including a housing having a flow channel, a slide plate for controlling flow through the channel, and a seal ring surrounding the flow channel and engaging the slide plate in its closed position and disengageable from the slide plate in its open position, with the seal ring having on its side remote for the slide plate, a plurality of circumferentially arranged recesses spaced from each other, extending in a circumferential direction, outwardly limited by key hole-shaped openings respectively, and aligned, respectively, with the bores formed in the adjacent to the seal ring, annular surface of the housing and in which a plurality of bolts are respectively displaceable, which bolts have shaped heads extending into the recesses and engageable from behind by key hold-shaped openings.

REFERENCES:
patent: 2370751 (1945-03-01), Prayer
patent: 3170668 (1965-02-01), Aulisa
patent: 5111839 (1992-05-01), Schroepfer et al.

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