Uvc light for wash and/or rinse cycles of dishwashers
AssigneeK.D.W. Company Limited
InventorsKwok Din WONG, Sai Hin WONG, Hang Yan WONG
Life of this patent
Estimating the term…
Abstract
A method of washing dishes comprising providing a housing having an interior wash space with dishes positioned therein; spraying a wash liquid onto the dishes positioned within the interior wash space with at least one spray nozzle; spraying a rinse liquid onto the dishes positioned within the interior wash space with at least one spray nozzle after spraying the wash liquid onto the dishes; and emitting ultraviolet (UV) light onto the dishes during the step of spraying the wash liquid onto the dishes, during the step of spraying the rinse liquid onto the dishes, or during both steps of spraying the wash liquid onto the dishes and spraying the rinse liquid onto the dishes.
Claims19
A method of washing dishes comprising:
- providing a housing having an interior wash space with dishes positioned therein;
- spraying a wash liquid onto the dishes positioned within the interior wash space with at least one spray nozzle;
- spraying a rinse liquid onto the dishes positioned within the interior wash space with at least one spray nozzle after spraying the wash liquid onto the dishes;
- and
- emitting ultraviolet (UV) light onto the dishes during the step of spraying the wash liquid onto the dishes, during the step of spraying the rinse liquid onto the dishes, or during both steps of spraying the wash liquid onto the dishes and spraying the rinse liquid onto the dishes.
A method of washing dishes comprising:
- providing a housing having an interior wash space with dishes positioned therein;
- spraying a wash liquid onto the dishes positioned within the interior wash space with at least one spray nozzle;
- spraying a rinse liquid onto the dishes positioned within the interior wash space with at least one spray nozzle after spraying the wash liquid onto the dishes;
- fixing an ultraviolet (UV) light housing to a wall of a dishwasher;
- emitting ultraviolet (UV) light having a wavelength of 100-280 nm through the wall of the dishwasher and onto the dishes during the step of spraying the wash liquid onto the dishes, during the step of spraying the rinse liquid onto the dishes, or during both steps of spraying the wash liquid onto the dishes and spraying the rinse liquid onto the dishes;
- and
- diffracting the UV light passing through the wall.
Dependencies are inferred from the claim text.