[특허]Refrigerator storage compartment assembly

Electrolux Home Products, Inc.

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Refrigerator storage compartment assembly

국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25D-017/06 F25D-011/00 F25B-029/00 F25D-025/02
출원번호	US-0597755 (2015-01-15)
등록번호	US-9823008 (2017-11-21)
발명자 / 주소	Bertolini, Nilton Carlos Richardson, Edmund S. Baack, Jerry R. Hall, David L. Simpson, Cory Dale
출원인 / 주소	Electrolux Home Products, Inc.
대리인 / 주소	Pearne & Gordon LLP
인용정보	피인용 횟수 : 0 인용 특허 : 39

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A storage compartment assembly is located within the interior of a compartment of a refrigerator such as a fresh food compartment of a refrigerator. The storage compartment assembly includes a storage container the temperature of which can be controlled independently of the temperature in the fresh food compartment. At least one of the sides of the storage container can be spaced away from a respective interior side of the refrigerator compartment and a housing located in the space between the side of the storage container and the interior side of the refrigerator compartment. The housing can contain components that are configured to function in the operation of the refrigerator, including the storage compartment assembly. The refrigerator can comprise a bottom-mount refrigerator and the fresh food compartment can be provided with double-doors for closing and opening the interior of the fresh food compartment.

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1. A storage compartment assembly located within the fresh food compartment of a refrigerator, the storage compartment assembly comprising: a storage container;an air handler configured to selectively circulate air to the storage container at temperatures that range from a temperature below the temperature of the fresh food compartment to a temperature above the temperature of the fresh food compartment;a first air flow path leading from within the air handler through an air exit point at the air handler to an air entry point at the storage container;a second air flow path joined with the first air flow path and leading from a source of cold air, with which the air handler is configured to be in air flow communication, to the air handler;a third air flow path leading from an air exit point at the storage container through an air entry point at the air handler to within the air handler;a fourth air flow path joined to the third air flow path and leading from within the air handler to the source of cold air;a first air flow controlling device configured to selectively open and close the flow of air between the first air flow path and the second air flow path; anda second air flow controlling device configured to selectively open and close the flow of air between the third air flow path and the fourth air flow path so that air from the fourth air flow path flows to the source of cold air when the flow of air between the third flow path and the fourth flow path is closed at the second air flow controlling device. 2. The storage compartment assembly of claim 1 further including a fifth air flow path joining the first air flow path and the third air flow path. 3. The storage compartment assembly of claim 2 wherein the first air flow controlling device and the second air flow controlling device are configured to be selectively simultaneously (a) open to allow air from the source of cold air to flow to the storage container along the first and second air flow paths and flow back to the source of cold air along the third and fourth air flow paths and (b) closed to close off the flow of air from the source of cold air to the storage container along the first and second air flow paths and the flow of air from the storage container to the source of cold air along the third and fourth air flow paths, whereby air flows from the air exit point at the storage container to the air entry point at the storage container along the third, fifth and first air flow paths. 4. The storage compartment assembly of claim 3 wherein the first airflow controlling device and the second air flow controlling device are additionally configured so that the first air flow controlling device is selectively closed to close off the flow of air from the source of cold air to the storage container along the first and second air flow paths at the same time as the second air flow controlling device is selectively open to allow air from the storage container to flow to the source of cold air along the third and fourth air flow paths. 5. The storage compartment assembly of claim 4 including a fan located at the air exit point of the air handler and configured to at least assist in moving the air that is circulated between the air handler and the storage container. 6. The storage compartment assembly of claim 5 including a heater located at the air handler, the heater being configured to increase the temperature of the air being circulated from the air handler to the storage container. 7. The storage compartment assembly of claim 1 wherein the storage container includes an open top and the assembly includes a cover that overlies the open top of the storage container, a user input panel configured to accept user inputs concerning a temperature to be applied at the storage container being located at a front of the cover. 8. The storage compartment assembly of claim 7 including an electronic control board located at the air handler electrically connected to the user input panel and configured to control the operation of at least the first and second air flow controlling devices at the air handler at least partly in response to the user inputs concerning a temperature to be applied at the storage container. 9. The storage compartment assembly of claim 1 wherein the storage container includes a front, rear and first and second opposite sides that join the front and rear of the storage container, and the air handler is located at the first side and externally of the storage container. 10. A method of controlling the temperature in a storage container located in the fresh food compartment of a refrigerator comprising: selecting a temperature to be applied at the storage container;comparing the prevailing temperature in the storage container with the selected temperature;when the selected temperature is lower than the prevailing temperature, delivering to the storage container through an air handler from an evaporator of the refrigerator through a first air flow controlling device located in the air handler air having a lower temperature than the prevailing temperature, and, when the selected temperature is higher than the prevailing temperature, delivering to the storage container air having a higher temperature than the prevailing temperature; andexhausting from the storage container and directing to the evaporator through a second air flow controlling device located in the air handler air that has circulated in the storage container. 11. The method of claim 10 including, at such time as the air having a higher temperature that the prevailing temperature in the storage chamber is being delivered to the storage chamber, maintaining the first air flow controlling device in a closed position to close off the flow of the air from the evaporator to the storage chamber. 12. A method of controlling the temperature in a storage container located in the fresh food compartment of a refrigerator including an air handler that includes a first air flow controlling device and a second air flow controlling device comprising: selecting a temperature to be applied at the storage container; andcarrying out from a group of at least the three following available operations an appropriate available operation for applying the selected temperature at the storage container,(a) comparing the prevailing temperature in the storage container with the selected temperature and delivering to the storage container from an evaporator through a first air flow controlling device air having a lower temperature than the prevailing temperature while exhausting from the storage container to the evaporator through a second air flow controlling device air that has circulated in and been exhausted from the storage container,(b) comparing the prevailing temperature in the storage container with the selected temperature and increasing the heat content of and delivering to the storage container air having a higher temperature than the prevailing temperature while exhausting from the storage container air that has circulated in the storage container, and(c) having the storage container attain substantially the same temperature as the temperature of the fresh food compartment while allowing air from the storage container to exit the storage container. 13. The method of claim 12 including exhausting the air to the evaporator from the fresh food compartment at substantially the same location in the evaporator as air from the storage compartment is exhausted. 14. The method of claim 12 wherein the available operation of comparing the prevailing temperature in the storage container with the selected temperature and delivering to the storage container the air having a higher temperature than the prevailing temperature includes delivering air to the storage container while maintaining the first airflow controlling device in a closed position so as to close off the flow of air from the evaporator to the storage container and exhausting air from the storage container while maintaining the second air flow controlling device in a closed position so as to close off the flow of air from the storage container to the evaporator. 15. The method of claim 12 wherein the available operation of having the storage container attain substantially the same temperature as the temperature of the fresh food compartment includes maintaining the first air flow device in a closed position so as to close off the flow of the air from the evaporator to the storage container and exhausting the air from the storage container to the evaporator through the second air flow controlling device that is maintained in an open position. 16. The method of claim 12 wherein: the available operation of comparing the prevailing temperature in the storage container with the selected temperature and delivering to the storage container the air having a lower temperature than the prevailing temperature includes delivering the air to the storage container from an evaporator of the refrigerator through a first air flow controlling device and exhausting the air from the storage container to the evaporator through a second air flow controlling device;the available operation of comparing the prevailing temperature in the storage container with the selected temperature and delivering to the storage container the air having a higher temperature than the prevailing temperature includes delivering the air to the storage container while maintaining the first air flow controlling device in a closed position and exhausting the air from the storage container while maintaining the second air flow controlling device in a closed position; andthe available operation of having the storage container attain substantially the same temperature as the temperature of the fresh food compartment includes maintaining the first air flow device in a closed position and allowing the air from the storage container to exit the storage container and pass to the evaporator through the second air flow controlling device. 17. The method of claim 12 wherein the available operation of comparing the prevailing temperature in the storage container with the selected temperature and delivering to the storage container the air having a lower temperature than the prevailing temperature when the selected temperature is lower than the prevailing temperature, while exhausting from the storage container the air that has circulated in the storage container, includes determining the prevailing temperature in the storage container every ten seconds, averaging three consecutive determinations and comparing the average of the three determinations with the prevailing temperature in the storage container. 18. The method of claim 12 wherein the available operation of comparing the prevailing temperature in the storage container with the selected temperature and delivering to the storage container air having a higher temperature than the prevailing temperature includes determining the prevailing temperature in the storage container and comparing the prevailing temperature in the storage container with the selected temperature approximately every two seconds. 19. The method of claim 12 wherein the available operation of comparing the prevailing temperature in the storage container with the selected temperature and delivering to the storage container the air having a lower temperature than the prevailing temperature includes delivering the air to the storage container from an evaporator of the refrigerator through a first air flow controlling device that is maintained in an open position and exhausting the air from the storage container to the evaporator through a second air flow controlling device that is maintained in an open position and determining the prevailing temperature in the storage container every ten seconds, averaging three consecutive determinations and comparing the average of the three determinations with the prevailing temperature in the storage container. 20. The method of claim 12 wherein the operation of comparing the prevailing temperature in the storage container with the selected temperature and delivering to the storage container the air having a higher temperature than the prevailing temperature includes delivering the air to the storage container while maintaining the first air flow controlling device in a closed position so as to close off the flow of the air from the evaporator to the storage container and exhausting the air from the storage container while maintaining the second air flow controlling device in a closed position so as to close off the flow of the air from the storage container to the evaporator and determining and comparing the prevailing temperature in the storage container with the selected temperature approximately every two seconds.

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Refrigerator storage compartment assembly

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Refrigerator storage compartment assembly

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