Vaneless rotary airlock valve

Details Vaneless rotary airlock valve Vaneless rotary airlock valve

1988-11-02

1991-07-09

Kwon, John T.

Expansible chamber devices

Miscellaneous

222444, 222452, F02F 700, G01F 1128

Patent

active

050295179

ABSTRACT:
The vaneless rotary airlock valve of this invention is designed to overcome the deficiencies of excessive leakage, excessive wear, and product degradation associated with conventional vaned rotary airlocks. It is comprised of a vaneless rotor (a cylindrical or barrel-like container), a pair of sealing rings (one on the upstream side and one on the downstream side of the rotor), and (depending on the operating conditions) a pair of either compression or expansion rings which urge continuous sealing engagement between the sealing rings and the rotor.

REFERENCES:
patent: 509320 (1893-11-01), Long, Jr.
patent: 3199734 (1965-08-01), Hvistendahl
patent: 4326651 (1982-04-01), Sabase et al.

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