An insulated icemaking compartment is provided in the fresh food compartment of a bottom mount refrigerator. The icemaking compartment may be integrally formed with the liner of the fresh food compartment, or alternatively, may be modular for installation anywhere in the fresh food compartment. A re
An insulated icemaking compartment is provided in the fresh food compartment of a bottom mount refrigerator. The icemaking compartment may be integrally formed with the liner of the fresh food compartment, or alternatively, may be modular for installation anywhere in the fresh food compartment. A removable bin assembly with a front cover normally seals the icemaking compartment to maintain the temperature in the compartment. A cold air duct formed in the rear wall of the refrigerator supplies cold air from the freezer compartment to the icemaking compartment. A return air duct directs a portion of the air from the icemaking compartment back to the freezer compartment. An air vent in the icemaking compartment directs another portion of air into the fresh food compartment. A control system provides for controlling refrigerator functions in a manner that promotes energy efficiency.
대표청구항▼
1. A refrigerator, comprising: a. a refrigerator cabinet;b. a fresh food compartment disposed within the cabinet;c. a freezer compartment disposed within the cabinet;d. an ice compartment disposed within the cabinet and positioned remotely from the freezer compartment, the ice compartment having an
1. A refrigerator, comprising: a. a refrigerator cabinet;b. a fresh food compartment disposed within the cabinet;c. a freezer compartment disposed within the cabinet;d. an ice compartment disposed within the cabinet and positioned remotely from the freezer compartment, the ice compartment having an ice maker, an ice storage bin, and a variable speed icemaking fan disposed within the ice compartment;e. an electronic control system associated with the refrigerator and adapted to monitor and control temperature in the fresh food compartment, the freezer compartment and the ice compartment;f. an ice compartment temperature sensor associated with the ice compartment and electrically connected to the electronic control system;g. a fresh food compartment temperature sensor associated with the fresh food compartment and electrically connected to the electronic control system;h. a freezer compartment temperature sensor associated with the freezer compartment and electrically connected to the electronic control system;i. an ambient temperature sensor electrically connected to the electronic control system; andj. wherein the electronic control system generates an electrical cooling instruction for one of the fresh food compartment, the freezer compartment, and the ice compartment dependent upon at least two of the sensed temperatures and a stored temperature set point for the said one of the fresh trod compartment, the freezer compartment, and the ice compartment;k. wherein the electronic control system maintains the ice compartment at a temperature at or below freezing and further wherein the electronic control system adjusts a temperature within the ice compartment by controlling an electronic control damper and the variable speed icemaking fan; andl. wherein a position of the electronic control damper and a speed of the variable speed icemaking fan are based, at least in part, on a preprogrammed ice maker state. 2. The refrigerator of claim 1 wherein the preprogrammed ice maker state comprises one of a plurality of preprogrammed ice maker states. 3. The refrigerator of claim 1 further comprising two side-by-side fresh food compartment doors for providing access to the fresh food compartment. 4. The refrigerator of claim 3 further comprising a freezer compartment door for providing access to the freezer compartment, the freezer compartment door being positioned below the two side-by-side fresh food compartment doors. 5. The refrigerator of claim 4 further comprising a dispenser associated with one of the two side-by-side fresh food compartment doors, the dispenser adapted for dispensing ice from the ice compartment. 6. The refrigerator of claim 5 wherein the control system is adapted to disable the dispenser upon opening of the one of the fresh food compartment doors associated with the dispenser. 7. The refrigerator of claim 1 further comprising a variable speed evaporator fan, and a variable speed evaporator fan output from the control system, the control system adapted for setting the variable speed evaporator fan to a plurality of rates. 8. The refrigerator of claim 7 wherein the control system is adapted to set the variable speed evaporator fan at a first rate when the freezer is determined to require cooling and a second rate when the freezer is determined not to require cooling and the fresh food compartment is determined to require cooling, the second rate being lower than the first rate. 9. The refrigerator of claim 7 wherein the control system is adapted to set the variable speed evaporator fan at a first rate when the freezer is determined to require cooling and a second rate when the freezer is determined not to require cooling and the ice compartment is determined to require cooling, the second rate being lower than the first rate. 10. The refrigerator of claim 1 further comprising a direct current (DC) mullion heater electrically connected to the control system for selectively providing heat to increase overall energy efficiency of the refrigerator. 11. The refrigerator of claim 1 further comprising a cavity heater associated with a door of the refrigerator, the cavity heater electrically connected to the control system for selectively providing heat to increase overall energy efficiency of the refrigerator. 12. The refrigerator of claim 1 wherein the control system is adapted to disable the ice maker and a dispenser on a fresh food compartment door when the fresh food compartment door opens. 13. The refrigerator of claim 1 wherein the cooling instruction is arrived at by prior testing in a plurality of environments and usage conditions. 14. The refrigerator of claim 1 wherein the electronic control system is adapted for monitoring a damper state of the electronic control damper, and if the damper state indicates the electronic control damper is not properly operating, pulsing a motor output associated with the electronic, control damper to heat and thereby free the electronic control damper. 15. The refrigerator of claim 1 wherein the control system is further adapted to cycle on and off a cooling system of the refrigerator based on a cut-in temperature and a cut-out temperature associated each of the fresh food compartment, the freezer compartment, and the ice compartment and wherein the control system is further adapted to adjust the delta between cut-in temperature and the cut-out temperature during operation of the refrigerator to thereby improve temperature performance and energy efficiency of the refrigerator. 16. The refrigerator of claim 1 wherein the electronic control system being further adapted to synchronize cooling of the ice compartment, fresh food compartment, and freezer compartment to thereby provide consistent power consumption and eliminate non-uniform temperature patterns. 17. The refrigerator of claim 1 wherein the preprogrammed ice maker state is an ice bin full state such that the speed of variable speed icemaking fan is reduced. 18. A refrigerator, comprising: a refrigerator cabinet;a fresh food compartment disposed within the cabinet;a freezer compartment disposed within the cabinet;an ice compartment disposed within the cabinet, the ice compartment positioned remotely from the freezer compartment with an ice maker and an ice storage bin disposed within the ice compartment;an electronic control system associated with the refrigerator and adapted to monitor and control temperature in the fresh food compartment, the freezer compartment and the ice compartment, wherein the electronic control system generates an electrical cooling instruction for one of the fresh food compartment, the freezer compartment, and the ice compartment dependent upon at least two of the sensed temperatures and a stored temperature set point for the said one of the fresh food compartment, the freezer compartment, and the ice compartment; andthe electronic control system is further adapted to cycle on and off a cooling system of the refrigerator based on a cut-in temperature and a cut-out temperature associated each of the fresh food compartment, the freezer compartment, and the ice compartment and wherein the electronic control system is further adapted to adjust the delta between cut-in temperature and the cut-out temperature during operation of the refrigerator to thereby improve temperature performance and energy efficiency of the refrigerator;wherein the electronic control system maintains the ice compartment at a temperature at or below freezing and further wherein the electronic control system adjusts a temperature within the fresh food compartment by controlling a variable speed icemaking fan disposed within the ice compartment and an electronic control damper selectively controlling an airflow from the ice compartment to the fresh food compartment. 19. The refrigerator of claim 18 wherein the control system is further adapted to adjust the cut-in and cut-out temperature during operation to produce cycles where the observed average temperature of the previous on-off cycle is more equal to the desired set-point to thereby improve temperature performance. 20. A refrigerator, comprising: a refrigerator cabinet;a fresh food compartment disposed within the cabinet; a freezer compartment disposed within the cabinet; an ice compartment disposed within the cabinet, the ice compartment positioned remotely fromthe freezer compartment with an ice maker and an ice storage bin disposed within the ice compartment;an electronic control system associated with the refrigerator and adapted to monitor and control temperature in the fresh food compartment, the freezer compartment and the ice compartment;an ice compartment temperature sensor associated with the ice compartment and electricallyconnected to the electronic control system;a fresh food compartment temperature sensor associated with the fresh food compartment andelectrically connected to the electronic control system; anda freezer compartment temperature sensor associated with the freezer compartment andelectrically connected to the electronic control system;wherein the electronic control system generates an electrical cooling instruction for one of thefresh food compartment, the freezer compartment, and the ice compartment dependent upon at least two of the sensed temperatures and a stored temperature set point for the said one of the fresh food compartment, the freezer compartment, and the ice compartment; andthe electronic control system is farther adapted to synchronize cooling of the ice compartment,fresh food compartment, and freezer compartment to thereby provide consistent power consumption and eliminate non-uniform temperature patterns;wherein the electronic control system maintains the ice compartment at a temperature at or below freezing and further wherein the electronic control system adjusts a temperature within the ice compartment based on one of a plurality of preprogrammed ice maker states and an electronic control damper selectively controlling an air flow from the ice compartment to the fresh food compartment.
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이 특허에 인용된 특허 (28)
Frohbieter Edwin H. (Lincoln Township ; Berrien County MI), Clear cube ice maker.
Wetekamp, Robert L.; Van Meter, Kyle B.; Tarrant, Alan G.; Schuchart, Ryan D.; Oliveira, Mauro M.; Miller, Alvin V.; Koppenhaver, Brent A.; Franken, Carl J.; Ferragut, II, Nelson J.; Coulter, Tim L.; Berardi, Greg; Anell, Thomas Carl, Electronic control system for insulated ice compartment for bottom mount refrigerator.
Schenk, Dennis G.; Wisnoski, John R.; Diekman, David A.; Kuehl, Steven J., Multi-compartment refrigerator control algorithm for variable speed evaporator fan motor.
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