Dishwasher
First Claim
Patent Images
1. A dishwasher for treating dishes according to an automatic cycle of operation, the dishwasher comprising:
- a chassis defining an interior;
a tub located within the interior and at least partially defining a treating chamber for receiving dishes for treatment according to the cycle of operation;
at least one sprayer spraying liquid into the treating chamber;
a liquid recirculation system recirculating liquid from the treating chamber to the at least one sprayer and comprising a sump provided in the tub;
a lifetime supply reservoir comprising a tank located within the interior of the chassis and where the tank is concealed such that it is non-refillable, inaccessible, and not openable;
a lifetime supply of treating chemistry stored in the lifetime supply reservoir, wherein the lifetime supply of treating chemistry comprises a predetermined number of doses of treating chemistry for multiple cycles of operation and where the lifetime supply of treating chemistry is configured to last for an expected lifetime of the dishwasher based on a designed useful life of the dishwasher determined by a manufacturer; and
a dispensing system fluidly coupled with the treating chamber and the tank of the lifetime supply reservoir, and configured to meter via a metering device a dose of treating chemistry from the lifetime supply of treating chemistry stored in the tank of the lifetime supply reservoir to the treating chamber during the cycle of operation.
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Accused Products
Abstract
A dishwasher has a treating chamber for receiving dishes for treatment according to an automatic cycle of operation and a dispensing system for storing and dispensing treating chemistry to the treating chamber during the cycle of operation. The dishwasher can be provided with a lifetime supply of a treating chemistry for the dispensing system.
22 Citations
20 Claims
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1. A dishwasher for treating dishes according to an automatic cycle of operation, the dishwasher comprising:
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a chassis defining an interior; a tub located within the interior and at least partially defining a treating chamber for receiving dishes for treatment according to the cycle of operation; at least one sprayer spraying liquid into the treating chamber; a liquid recirculation system recirculating liquid from the treating chamber to the at least one sprayer and comprising a sump provided in the tub; a lifetime supply reservoir comprising a tank located within the interior of the chassis and where the tank is concealed such that it is non-refillable, inaccessible, and not openable; a lifetime supply of treating chemistry stored in the lifetime supply reservoir, wherein the lifetime supply of treating chemistry comprises a predetermined number of doses of treating chemistry for multiple cycles of operation and where the lifetime supply of treating chemistry is configured to last for an expected lifetime of the dishwasher based on a designed useful life of the dishwasher determined by a manufacturer; and a dispensing system fluidly coupled with the treating chamber and the tank of the lifetime supply reservoir, and configured to meter via a metering device a dose of treating chemistry from the lifetime supply of treating chemistry stored in the tank of the lifetime supply reservoir to the treating chamber during the cycle of operation. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19)
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20. A dishwasher for treating dishes according to an automatic cycle of operation, the dishwasher comprising:
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a chassis defining an interior; a tub located within the interior and at least partially defining a treating chamber for receiving dishes for treatment according to the cycle of operation; a cover mounted to the chassis and moveable between an opened position wherein a user of the dishwasher may access the treating chamber, and a closed position wherein the cover closes an open face of the treating chamber; a lifetime supply reservoir comprising a sealed tank located within the interior of the chassis and exteriorly of the tub such that the sealed tank is concealed and inaccessible by a user of the dishwasher in both the opened and closed positions of the cover; a lifetime supply of treating chemistry stored in the lifetime supply reservoir, wherein the lifetime supply of treating chemistry comprises a predetermined number of doses of treating chemistry for multiple cycles of operation configured to last an expected lifetime of the dishwasher based on a designed useful life of the dishwasher as determined by a manufacturer; and a dispensing system fluidly coupled with the treating chamber and the sealed tank of the lifetime supply reservoir, and configured to meter a dose of treating chemistry from the lifetime supply of treating chemistry stored in the lifetime supply reservoir to the treating chamber during the cycle of operation.
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Specification