Suction or blowing apparatus

Details Suction or blowing apparatus Suction or blowing apparatus

1990-05-07

1992-06-02

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

417151, 417197, A47L 518

Patent

active

051175312

ABSTRACT:
A suction or blowing apparatus and/or pneumatic conveying apparatus for different types of dust and bulk material. The apparatus includes two tubes arranged one within the other, wherein propellant air is admitted to the inner tube. To increase the suction effect, the outer tube is also connected to a propellant air-generating device. The tubes are arranged concentrically within each other and form an annular injection nozzle.

REFERENCES:
patent: 2475832 (1949-07-01), Gilliland
patent: 3448917 (1969-06-01), Dewey et al.
patent: 3499393 (1970-03-01), Bent
patent: 3720482 (1973-03-01), Tell
patent: 4200425 (1980-04-01), Teodorescu et al.

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