Valves and valve actuation – Fluid actuated or retarded – Pilot or servo type motor
Patent
1978-03-10
1980-02-26
Schwadron, Martin P.
Valves and valve actuation
Fluid actuated or retarded
Pilot or servo type motor
55302, 92 85B, 91405, 251 30, 251 44, F16K 31122
Patent
active
041902300
ABSTRACT:
A scavenging air valve for cleaning at least one tubular filter body is disclosed. The air valve has a laminar valve body, one side of which forms, by means of its inner portion, the shutoff for the inlet of a scavenging air line. Its edge zones of said one side face toward a scavenging air chamber. The valve body is movable perpendicular to the side mentioned, inside of a maintaining chamber, under the effect of the scavenging air. The maintaining chamber is, on the one hand, in constant communication with the scavenging air chamber over at least one throttling point and, on the other hand, is connected to a blockable exhaust air line through means of a control valve.
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patent: 3974910 (1976-08-01), Papai
Gebrueder Buehler AG
Schwadron Martin P.
Walton G. L.
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