Pressure locked rotary trap chamber

Details Pressure locked rotary trap chamber Pressure locked rotary trap chamber

1988-06-08

1989-05-09

Shaver, Kevin P.

Dispensing

Processes of dispensing

222217, 222197, 222367, 222370, G01F 1110

Patent

active

048281450

ABSTRACT:
The present invention relates to a rotary-type metering device making it possible to dispense granular substances consisting of fine particles which are difficult to handle. The metering device consists of a spherical core rotating around a horizontal axis inside a casing comprising a feed orifice and an outlet orifice. The spherical core comprises at least one cavity having an opening at the surface of the core, and sides and bottom within the core. This cavity has the shape of a volume consisting of two volumes of revolution, contiguous and coaxial, V.sub.1 and V.sub.2, with an axis perpendicular to the axis of rotation of the spherical core. The volume V.sub.1 is a truncated cone of revolution or a cylinder of revolution.

REFERENCES:
patent: 3077272 (1963-02-01), Reinhall
patent: 3353723 (1967-11-01), Wieleba
patent: 3446404 (1969-05-01), Mehta
patent: 4058240 (1977-11-01), Becker
patent: 4176767 (1979-12-01), Franche, IV
patent: 4316559 (1982-02-01), McLemore
patent: 4687381 (1987-08-01), Dumain et al.

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