Feeding solid particles into a fluid stream

Details Feeding solid particles into a fluid stream Feeding solid particles into a fluid stream

2008-07-08

2010-02-23

Eley, Timothy V (Department: 3724)

Abrading

Abrading process

Utilizing fluent abradant

C134S007000, C222S345000, C222S368000

Reexamination Certificate

active

07666066

ABSTRACT:
A method and apparatus for injecting solid particles such as dry ice into an airstream using an airlock having a spherical valve member with spaced through ports and rotatable between an annular seal on one side of the spherical member for feeding the particles to the fluid stream chamber with an annular seal on the opposite side for sealing a particle feed chamber. The airlock device is useful for sealing fluid stream pressure of about 133 Kg/m2and temperatures of about 350° R.

REFERENCES:
patent: 3130879 (1964-04-01), Messing
patent: 3556355 (1971-01-01), Ruiz
patent: 4180188 (1979-12-01), Aonuma et al.
patent: 4947592 (1990-08-01), Lloyd et al.
patent: 7112120 (2006-09-01), Rivir et al.
patent: 2008/0261496 (2008-10-01), Mase et al.

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