Particulate flow control system

Details Particulate flow control system Particulate flow control system

1994-11-16

1997-03-25

Smith, James G.

Abrading

Precision device or process - or with condition responsive...

Condition responsive control for sandblasting

451 99, 451102, B24C 300

Patent

active

056138954

ABSTRACT:
A simple and effective means is provided to control sand blast or like particulate media flow in the cleaning and scouring of workpieces to insure substantially uniform cleaning. To this end, microwave energy is directed at the particle flow, and energy reflection therefrom effects desired opening, closing, and intermediate control of sand blast flow means, as a valve interposed in the blast conduit.

REFERENCES:
patent: 3775860 (1973-12-01), Barnes et al.
patent: 4423623 (1984-01-01), Ho et al.
patent: 4614100 (1986-09-01), Green et al.
patent: 4848123 (1989-07-01), Thompson
patent: 5097633 (1992-03-01), Branton et al.
patent: 5176018 (1993-01-01), Thompson
patent: 5259239 (1993-11-01), Gaisford

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