Chemistry: physical processes
Patent
1978-05-22
1979-07-03
Krizmanich, George H.
Chemistry: physical processes
B04B 114
Patent
active
041597982
ABSTRACT:
In a disc bowl centrifuge, means are provided for introducing pressure fluid into a piston chamber serving to operate a discharge valve controlling outlet of processed material from the bowl, which means are such as to allow a pressure substantially higher than atmosphere and sufficient to hold the discharge valve closed against the opening forces exerted thereon by process material subjected to centrifugal force in the bowl.
REFERENCES:
patent: 2178547 (1939-11-01), Bjornstjerna
patent: 2487364 (1949-11-01), Ortenblad
patent: 3765599 (1973-10-01), Hemfort
Grimwood Geoffrey L.
Jackson Joseph F.
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