Air amplified mini-vacuum

Details Air amplified mini-vacuum Air amplified mini-vacuum

1991-03-14

1993-10-26

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

417151, A47L 518

Patent

active

052554120

ABSTRACT:
An air pressure powered vacuum has a housing with a continuous channel through it. Positive pressure air is introduced into and accelerates in an annular shaped plenum in the housing. The high velocity air is diffused from the plenum into the channel towards a debris collection bag. The diffuser is shaped so that the air diffuses at an angle with respect to the surface of the channel and such that laminar air flow occurs adjacent said channel wall downstream. This creates strong suction at the channel inlet and debris is carried to the collection bag.

REFERENCES:
patent: 451387 (1991-04-01), Baldwin
patent: 503559 (1993-08-01), Thompson
patent: 2475832 (1949-07-01), Gilliland
patent: 2634902 (1953-04-01), Brown
patent: 2688835 (1954-09-01), Rawson
patent: 2851213 (1951-12-01), Swallert
patent: 2856205 (1958-10-01), Coleman et al.
patent: 3655298 (1972-04-01), Baker
patent: 3885891 (1975-05-01), Throndson
patent: 3922753 (1975-12-01), Aberilla
patent: 4379679 (1983-04-01), Guile
patent: 4736489 (1988-04-01), Egan
patent: 4799863 (1989-01-01), Gannon

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