Brushing – scrubbing – and general cleaning – Machines – With air blast or suction
Patent
1994-05-27
1995-11-14
Moore, Christopher K.
Brushing, scrubbing, and general cleaning
Machines
With air blast or suction
15353, 55216, A47L 700
Patent
active
054654556
ABSTRACT:
A wet and dry refuse vacuum apparatus is disclosed. A vacuum canister includes a vacuum motor, and inlet assembly, and exhaust assembly including a liquid pump, an inlet control assembly, and an operating electrical circuit. Upon activation, the vacuum motor sucks air and liquid refuse into the canister from the inlet assembly. As liquid fills the canister, the electrical circuit activates the liquid pump which pumps the liquid from the canister out through the exhaust assembly. In the event that the liquid enters the canister at a higher rate than it leaves the canister, the inlet control assembly raises with the water level in the canister to restrict the amount of liquid that may enter through the inlet assembly. A floatation ball is arranged to block a floatation orifice near the vacuum generating motor in order to prevent the liquid from contacting the vacuum generating motor in the event that the liquid level nears the capacity of the canister.
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