Method of controlling temperature in a compartment of a refrigerator
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25C-001/00
F25D-029/00
G05D-023/19
F25D-011/02
F25C-005/18
출원번호
US-0326146
(2008-12-02)
등록번호
US-8833093
(2014-09-16)
발명자
/ 주소
Tarr, Ronald Scott
출원인 / 주소
General Electric Company
대리인 / 주소
Zhang, Douglas D.
인용정보
피인용 횟수 :
2인용 특허 :
5
초록▼
A method of controlling temperature in a compartment of a refrigerator is disclosed. During a normal operation of the refrigerator, the compartment is cooled by a temperature control circuit operated in accordance with a predetermined thermodynamic cycle. The method includes the steps of measuring a
A method of controlling temperature in a compartment of a refrigerator is disclosed. During a normal operation of the refrigerator, the compartment is cooled by a temperature control circuit operated in accordance with a predetermined thermodynamic cycle. The method includes the steps of measuring a variable parameter of the compartment, and comparing the variable parameter with a threshold, and if the variable parameter is greater than the threshold, continuing to operate the temperature control circuit in accordance with the predetermined thermodynamic cycle.
대표청구항▼
1. A method of controlling temperature in a compartment of a refrigerator, the compartment being cooled by a temperature control circuit cycled by a controller in accordance with a predetermined thermodynamic cycle, the method comprising the steps of: determining by the controller a variable paramet
1. A method of controlling temperature in a compartment of a refrigerator, the compartment being cooled by a temperature control circuit cycled by a controller in accordance with a predetermined thermodynamic cycle, the method comprising the steps of: determining by the controller a variable parameter of the compartment, the variable parameter being a rate of temperature change in the compartment; comparing the variable parameter with a threshold, the threshold being a rate of temperature change in the compartment characteristic of a substantially empty compartment, and a first condition wherein the variable parameter is less than the threshold, determining by the controller that a fill level of the compartment does not indicate a substantially empty compartment, and a second condition wherein the variable parameter substantially matches the threshold, determining by the controller that the fill level of the compartment indicates a substantially empty compartment; receiving at the controller a request to at least one of deactivate or turn off cooling of the compartment; responsive to receiving the request when the determined fill level indicates a substantially empty compartment, terminating by the controller cycling of the temperature control circuit; and responsive to receiving the request when the determined fill level does not indicate a substantially empty compartment, continuing by the controller cycling of the temperature control circuit by activating and deactivating the temperature control circuit in accordance with the predetermined thermodynamic cycle. 2. A method of controlling temperature in an ice compartment of a refrigerator, the ice compartment storing ice produced by an icemaker, the icemaker being selectively turned on and off, the ice compartment being cooled by a temperature control circuit cycled by a controller in accordance with a predetermined thermodynamic cycle, the method comprising the steps of: determining by the controller a variable parameter of the ice compartment, the variable parameter being a rate of temperature change in the ice compartment; comparing the variable parameter with a threshold, the threshold being a rate of temperature change in the ice compartment when the ice compartment contains substantially no ice, and a first condition wherein the variable parameter is less than the threshold, determining by the controller that a fill level of the ice compartment does not indicate a substantially empty ice compartment, and a second condition wherein the variable parameter substantially matches the threshold, determining by the controller that the fill level of the compartment indicates a substantially empty ice compartment; receiving at the controller a request to turn off the icemaker; responsive to receiving the request when the determined fill level indicates a substantially empty ice compartment, terminating by the controller cycling of the temperature control circuit; and responsive to receiving the request when the determined fill level does not indicate a substantially empty ice compartment, continuing by the controller cycling of the temperature control circuit by activating and deactivating the temperature control circuit in accordance with the predetermined thermodynamic cycle. 3. The method of claim 2, wherein the predetermined thermodynamic cycle comprises a warming phase and a cooling phase, the variable parameter being determined during one of the warming phase and the cooling phase. 4. The method of claim 3, wherein the variable parameter is determined when the icemaker is turned off. 5. The method of claim 3, wherein the threshold is determined during the one of the warming phase and the cooling phase. 6. The method of claim 2, further comprising generating by the controller a warning signal responsive to receiving the request when the determined fill level does not indicate a substantially empty ice compartment, the warning signal indicating that there is ice in the ice compartment. 7. The method of claim 2, wherein the controller continues to cycle the temperature control circuit comprises cycling the temperature control circuit in accordance with the predetermined thermodynamic cycle when the icemaker is turned off. 8. The method of claim 2, wherein the ice compartment is on an access door for a fresh food compartment of the refrigerator. 9. A method of controlling temperature in an ice compartment disposed inside a fresh food compartment of a refrigerator, the refrigerator comprising a controller, a primary temperature control circuit for cooling the fresh food compartment and a secondary temperature control circuit which is cycled by the controller in accordance with a predetermined thermodynamic cycle to cool the ice compartment, the method comprising the steps of: determining by the controller a variable parameter of the ice compartment, the variable parameter being a rate of temperature change in the ice compartment; comparing the variable parameter with a threshold, the threshold being a rate of temperature change in the ice compartment when the ice compartment contains substantially no ice, and a first condition wherein the variable parameter is less than the threshold, determining by the controller that a fill level of the ice compartment does not indicate a substantially empty ice compartment, and a second condition wherein the variable parameter substantially matches the threshold, determining by the controller that the fill level of the ice compartment indicates a substantially empty ice compartment; receiving at the controller a request to at least one of deactivate or turn off cooling of the ice compartment; responsive to receiving the request when the determined fill level indicates a substantially empty ice compartment, terminating by the controller cycling of the secondary temperature control circuit; and responsive to receiving the request when the determined fill level does not indicate a substantially empty ice compartment, continuing by the controller cycling of the secondary temperature control circuit by activating and deactivating the secondary temperature control circuit in accordance with the predetermined thermodynamic cycle. 10. The method of claim 9, wherein the predetermined thermodynamic cycle comprises a warming phase and a cooling phase, the variable parameter being determined during one of the warming phase and the cooling phase. 11. The method of claim 10, wherein the threshold is determined during the one of the warming phase and the cooling phase. 12. The method of claim 10, wherein the refrigerator further comprises an icemaker disposed in the ice compartment, the variable parameter being determined when the icemaker is turned off. 13. The method of claim 9, wherein the refrigerator further comprises an icemaker disposed in the ice compartment, the variable parameter being determined when the icemaker is turned off. 14. The method of claim 9, wherein the refrigerator further comprises an icemaker disposed in the ice compartment, the method further comprising generating a warning signal responsive to receiving the request when the determined fill level does not indicate a substantially empty ice compartment, the warning signal indicating that there is ice in the ice compartment. 15. The method of claim 1, wherein the predetermined thermodynamic cycle comprises a warming phase and a cooling phase, the variable parameter being determined during one of the warming phase and the cooling phase. 16. The method of claim 15, wherein the threshold is a rate of temperature change in the ice compartment, which is determined during the one of the warming phase and the cooling phase.
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이 특허에 인용된 특허 (5)
Anselmino,Jeffery J.; Fischer,Marcus R.; Kulkarni,Tushar; Tenbarge,Andrew M.; Maglinger,Frank W., Ice and water dispenser on refrigerator compartment door.
Davis, Kenneth E.; Miller, Alvin V.; Myers, John P.; Ryner, Joseph H.; VanMeter, Kyle B.; Wetekamp, Robert L., Temperature control system for a refrigerated compartment.
Chae, Su Nam; Kim, Kyeong Yun; Lee, Jang Seok; Oh, Min Kyu; Lee, Youn Seok, Refrigerator having cold air generating compartment and machine room positioned at upper portion of cabinet.
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