Vacuum cleaner with an impermeable collector bag

Details Vacuum cleaner with an impermeable collector bag Vacuum cleaner with an impermeable collector bag

1974-10-15

1976-06-08

Lutter, Frank W.

Gas separation

Residue access, handling or removing means

Separable collection container

55364, 55373, 55378, 55381, 55DIG2, B01D 4518

Patent

active

039619214

ABSTRACT:
A vacuum cleaner including a tank having an interior space for receiving dirt and debris, the tank providing an access opening, a blower assembly including a housing for closing the access opening, the housing providing, within the boundary of the access opening, an intake port for the tank, and the blower assembly including a motor and a blower for drawing air from the tank to create a vacuum therein. An impermeable flexible bag is disposed in the tank to provide a lining, the bag having a mouth in registry with the access opening such that dirt and debris entering the intake port are deposited into the bag. The bag has at least one vent opening therein for establishing venting between the interior of the bag and the space between its exterior and the internal surfaces of the tank to equalize the air pressure within the bag and the tank or the bag is disposed in the tank in such a manner as to establish such venting and equalize the air pressure.

REFERENCES:
patent: 948993 (1910-02-01), Hemmer
patent: 1828584 (1931-10-01), Anderson
patent: 1879667 (1932-09-01), Farmer et al.
patent: 1881086 (1932-10-01), Marshall
patent: 1924249 (1933-08-01), Marshall
patent: 2025946 (1935-12-01), Wenner-Gren
patent: 2027590 (1936-01-01), Hirsch
patent: 2222077 (1940-11-01), Kahn
patent: 2697512 (1954-12-01), Brown
patent: 2714426 (1955-08-01), White
patent: 2815621 (1957-12-01), Carter
patent: 3653190 (1972-04-01), Lee et al.

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