Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1993-02-26
1994-12-06
Moore, Chris K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15352, 15353, A47L 536
Patent
active
053698398
ABSTRACT:
A vacuum cleaner includes a receptacle having an outer wall and a suction socket. A cover for closing the receptacle is provided. The cover contains the drive motor and a suction fan that produces an air stream that is guided via the suction socket into the receptacle and removed from the receptacle. A suction chamber with a chamber wall is provided between the suction fan and the receptacle and extends substantially over the entire cross-section of the receptacle. The chamber wall of the suction chamber has a plurality of inlets in close proximity to the outer wall of the receptacle. The inlets open into the receptacle and are arranged next to one another in a circumferential direction of the receptacle such that the inlets form an annular air inlet. The suction socket has an inlet channel that is spaced at a distance relative to a central longitudinal axis of the vacuum cleaner. The inlet channel penetrates the suction chamber and extends into the receptacle substantially parallel to the central longitudinal axis. The inlet channel has an outlet facing the central longitudinal axis.
REFERENCES:
patent: 2673619 (1954-03-01), Martin
patent: 2731103 (1956-01-01), Ortega
patent: 3286446 (1966-11-01), Happe et al.
patent: 3971096 (1976-07-01), Renholt
patent: 4275731 (1981-06-01), Nichols
patent: 4533371 (1985-08-01), Nakamura
patent: 4953255 (1990-09-01), Jenkins
Firma Fedag
Moore Chris K.
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