Bleaching and dyeing; fluid treatment and chemical modification – Fluid treatment – Manipulation of liquid
Patent
1997-05-30
1998-09-15
Coe, Philip R.
Bleaching and dyeing; fluid treatment and chemical modification
Fluid treatment
Manipulation of liquid
68 1201, 68 1212, 68 13R, 68 18F, 68207, D06F 3302, D06F 3908
Patent
active
058061207
ABSTRACT:
A system for treating laundry with ozone including a controller that receives a load signal based on a wash load selection. The controller varies an output potential from a variable power supply to an ozone generator in response to the load signal. The ozone generator produces different levels of ozone corresponding to the output potential. A wash liquor is drawn out of a laundry machine and sent through a filter past an injector adjacent a venturi. The injector entrains ozone from the ozone generator into the wash liquor and the wash liquor is returned to the laundry machine. A method is disclosed for treating laundry with ozone by: selecting a wash load selection from a plurality of wash load selections; varying the amount of ozone provided to the injector by an ozone generator in response to the load selection; drawing a wash liquor from the laundry machine by a pump; filtering the wash liquor from the laundry machine through a filter; entraining ozone from the ozone generator into the wash liquor; and returning the wash liquor to the laundry machine.
REFERENCES:
patent: 5097556 (1992-03-01), Engel
patent: 5181399 (1993-01-01), Engel
patent: 5241720 (1993-09-01), Engel
patent: 5493743 (1996-02-01), Schneider
patent: 5625915 (1997-05-01), Radler et al.
Coe Philip R.
Envirocleanse Systems, Inc.
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