Mixing apparatus having self-sealing spring-loaded seals

Details Mixing apparatus having self-sealing spring-loaded seals Mixing apparatus having self-sealing spring-loaded seals

1997-08-04

1999-03-09

Cooley, Charles E.

Agitating

Stirrer within stationary mixing chamber

Mounted in removable mixing chamber closure

366347, B01F 720, B01F 1306

Patent

active

058790810

ABSTRACT:
The mixing apparatus comprises a pressure vessel having a chamber and a first opening that communicates with the chamber. The mixing apparatus also comprises a first cap which fits over the first opening to engage the vessel and close the first opening. Additionally, the mixing apparatus comprises a stirrer having a shaft. The shaft extends through the first cap into the chamber. There is a motor connected to the shaft to turn the shaft. The motor is disposed adjacent to the vessel and external to the chamber. Moreover, there is a first self-sealing spring-loaded seal disposed between and preferably in contact with the first cap and the vessel to seal the first cap with the vessel as pressure increases in the vessel. The mixing apparatus comprises a shaft self-sealing spring-loaded seal which seals the shaft to the first cap as pressure increases in the vessel. The shaft is rotatable in the shaft self-sealing spring-loaded seal.

REFERENCES:
patent: 2387024 (1945-10-01), Hishon et al.
patent: 2661938 (1953-12-01), Kuentzel
patent: 2901295 (1959-08-01), Becker
patent: 2940738 (1960-06-01), Posener et al.
patent: 3612126 (1971-10-01), Emmons et al.
patent: 4721390 (1988-01-01), Lidgren
patent: 4758096 (1988-07-01), Gunnarsson
patent: 4973168 (1990-11-01), Chan
patent: 5108715 (1992-04-01), Jekat et al.
patent: 5145250 (1992-09-01), Planck et al.

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