Recirculating type cleaner

Details Recirculating type cleaner Recirculating type cleaner

1993-10-22

1995-10-17

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15319, 15420, A47L 514

Patent

active

054578485

ABSTRACT:
A recirculating type cleaner having a dust collecting port including a suction port and an outlet in which downstream flow of a fan is recirculated, discharged through said outlet, and drawn into said suction port. Said dust collecting port means has an outer peripheral wall defining an outer boundary of said suction port. The outlet is located within the region of the suction port and has an orifice or opening so constricted as to discharge the downstream flow in the form of a jet and so oriented as to discharge the jet at an angle in the range of 90.degree..+-.30.degree. relative to a surface to be cleaned. The end surface of the boundary wall between the outlet and the suction port and/or the flange or a outer peripheral wall are formed with a plurality of minute channels.

REFERENCES:
patent: 1383455 (1921-07-01), Farnsworth
patent: 2064344 (1936-12-01), Good
patent: 2592710 (1952-04-01), Kirby
patent: 3268942 (1966-08-01), Rossnan
patent: 3694848 (1972-10-01), Alcala
patent: 4207650 (1980-06-01), Crise

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