Washing machine with ozone sensor
First Claim
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1. A washing machine comprising:
- a washing volume for receiving laundry;
an ozone inlet for providing ozone to the washing volume;
an ozone outlet for receiving gaseous ozone from the washing volume;
an ozone sensor proximate to the ozone outlet for measuring the gaseous ozone passing through the ozone outlet; and
a controller connected to the ozone sensor to receive at least one ozone measurement from the ozone sensor during a washing cycle and to determine a degree of disinfection by the washing cycle, wherein the washing cycle comprises at least two rinse stages and the at least one ozone measurement is made during a second rinse stage;
wherein said washing volume includes a gaseous section and a washing water section with said ozone outlet in fluid communication with said gaseous section for receiving the gaseous ozone from the washing volume.
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Abstract
A washing machine includes a washing volume for receiving laundry. The washing machine also includes an ozone inlet for providing ozone to the washing volume and an ozone outlet for receiving gaseous ozone from the washing volume. An ozone sensor is provided for measuring the gaseous ozone passing through the ozone outlet. A controller may be connected to the ozone sensor to receive an ozone measurement and to determining a degree of disinfection by the washing cycle.
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Citations
9 Claims
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1. A washing machine comprising:
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a washing volume for receiving laundry; an ozone inlet for providing ozone to the washing volume; an ozone outlet for receiving gaseous ozone from the washing volume; an ozone sensor proximate to the ozone outlet for measuring the gaseous ozone passing through the ozone outlet; and a controller connected to the ozone sensor to receive at least one ozone measurement from the ozone sensor during a washing cycle and to determine a degree of disinfection by the washing cycle, wherein the washing cycle comprises at least two rinse stages and the at least one ozone measurement is made during a second rinse stage; wherein said washing volume includes a gaseous section and a washing water section with said ozone outlet in fluid communication with said gaseous section for receiving the gaseous ozone from the washing volume. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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Specification