A refrigerator includes a cabinet defining a fresh food compartment and a door pivotally mounted to the cabinet and including an interior surface in communication with the fresh food compartment when the door is closed. A liquid dispenser is arranged on the interior surface of the door, and a contai
A refrigerator includes a cabinet defining a fresh food compartment and a door pivotally mounted to the cabinet and including an interior surface in communication with the fresh food compartment when the door is closed. A liquid dispenser is arranged on the interior surface of the door, and a container is supported on the door and configured to receive liquid from the liquid dispenser. A sensor is configured to sense a property of the container, and a control is in communication with the sensor. The control is configured to regulate dispensing of liquid into the container based upon the sensed property of the container. The sensor utilizes a magnetic sensing element located adjacent to the container.
대표청구항▼
1. An improved refrigerator having a cabinet defining a fresh food compartment, a door pivotally mounted to the cabinet and comprising an interior surface in communication with the fresh food compartment when the door is closed, and a container supported on the door and configured to receive liquid
1. An improved refrigerator having a cabinet defining a fresh food compartment, a door pivotally mounted to the cabinet and comprising an interior surface in communication with the fresh food compartment when the door is closed, and a container supported on the door and configured to receive liquid from a liquid dispenser located within the fresh food compartment, the improvement comprising: a sensor configured to sense a property of the container, wherein the sensor utilizes a magnetic sensing element located adjacent to the container and a magnetic body provided within the container that is detectable by the magnetic sensing element,wherein the magnetic body is exposed to the liquid within the container, is less dense than the liquid within the container, and is further movable along a height of the container; andan electrically operated control in communication with the sensor and configured to regulate dispensing of liquid into the container based upon the sensed property of the container,wherein the liquid dispenser further comprises a spout for dispensing the liquid into the container,wherein the refrigerator further comprises a support shelf arranged below the spout, andwherein the container further comprises a cover to close off a top opening of the container, the cover comprising a fill cup fluidly connected to an interior of the container whereby the container is configured to receive liquid from the spout via the fill cup. 2. The improved refrigerator of claim 1, wherein the magnetic sensing element comprises an array of magnetic sensors. 3. The improved refrigerator of claim 2, wherein the array of magnetic sensors includes a plurality of magnetic sensors arranged at different heights, said different heights corresponding to fractions of a height of the adjacent container. 4. The improved refrigerator of claim 3, wherein the plurality of magnetic sensors span a portion or all of the height of the adjacent container. 5. The improved refrigerator of claim 1, wherein the property sensed by the magnetic sensing element is an amount of liquid within the container. 6. The improved refrigerator of claim 1, wherein the liquid dispenser is arranged on the interior surface of the door. 7. The improved refrigerator of claim 1, wherein the magnetic body is arranged within an auxiliary column located within the container, said auxiliary column being arranged in proximity to the magnetic sensing element. 8. The improved refrigerator of claim 7, wherein the auxiliary column is in fluid communication with the container, so that a surface level of the liquid is the same within both the auxiliary column and the container. 9. The improved refrigerator of claim 7, wherein the auxiliary column is arranged vertically with a base and a top that are located within bounds which are defined by a container base and a container top of the container, respectively. 10. The improved refrigerator of claim 9, wherein the magnetic body moves between the base and the top of the auxiliary column when a surface level of the liquid within the container is between the base and the top of the auxiliary column. 11. The improved refrigerator of claim 1, wherein the magnetic body comprises a permanent magnet coupled to a buoyant substance that is selected such that an overall density of the magnetic body is less than a density of the liquid in the container. 12. The improved refrigerator of claim 1, further comprising an electrically-operated actuator operated by the control and configured to selectively permit dispensing of the liquid via the spout. 13. The improved refrigerator of claim 1, wherein the magnetic body is arranged within an auxiliary column located within the container, said auxiliary column being coupled to the cover at a predetermined column location, and wherein a relative positioning of the fill cup and the predetermined column location is such that, when the container is placed on the support shelf below the spout at a predetermined orientation, the auxiliary column is located at a fixed proximity to the magnetic sensing element, while the fill cup is located directly under the spout to receive liquid without spilling. 14. The improved refrigerator of claim 13, wherein the container further comprises a first keying mechanism that is configured to mate with a corresponding second keying mechanism on the support shelf when the container is at said predetermined orientation. 15. The improved refrigerator of claim 13, wherein the auxiliary column is removably coupled to the cover. 16. The improved refrigerator of claim 1, wherein the property sensed by the sensor is a presence of the container adjacent to the liquid dispenser. 17. The improved refrigerator of claim 1, further comprising a user input configured to select one of a plurality of different fill amounts of liquid within the container. 18. The improved refrigerator of claim 1, further comprising a feedback system configured to indicate at least one of a current amount of liquid in the container and a selected amount of liquid in the container.
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이 특허에 인용된 특허 (26)
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