Vacuum system

Details Vacuum system Vacuum system

1996-06-14

1999-04-13

Moore, Chris K.

Brushing, scrubbing, and general cleaning

Machines

With air blast or suction

15301, 154222, A47L 538

Patent

active

058931945

ABSTRACT:
A vacuum system for a building, in particular, a building with multiple dwellings. There is a fan to develop suction mounted in a compartment having a dust inlet and a dust outlet. A motor drives the fan. The motor has a drive shaft to extend into the fan compartment. There is a dust collection head communicating with the inlet. A dust disposal pipe connected to the outlet extends to a remote dust receptacle. There is a vent for the dust receptacle to prevent dust being fed back into the atmosphere. The system can operate satisfactorily without a filter. It draws dust in from a point between the source of the dust and the dust receptacle so that suction is not applied through the contents of the dust receptacle.

REFERENCES:
patent: 1048477 (1912-12-01), Allington
patent: 2270579 (1942-01-01), Chamberlin et al.
patent: 2979755 (1961-04-01), McCaskill
patent: 3240000 (1966-03-01), Hayes et al.
patent: 4580309 (1986-04-01), Ogden
patent: 5095578 (1992-03-01), Wade
patent: 5311640 (1994-05-01), Holland

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