[특허]Electronic refrigeration control system including a variable speed compressor

[미국특허] Electronic refrigeration control system including a variable speed compressor 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	F25B-001/00
출원번호	UP-0378081 (2006-03-17)
등록번호	US-7716937 (2010-06-10)
발명자 / 주소	Schenk, Dennis Truitt, Karl M.
출원인 / 주소	Electrolux Home Products, Inc.
대리인 / 주소	Pearne & Gordon LLP
인용정보	피인용 횟수 : 5 인용 특허 : 28

초록 ▼

A refrigerator has a refrigeration system including a variable speed compressor, a condenser, a condenser fan, an evaporator, a variable speed evaporator fan. The refrigerator further includes multiple temperature sensors that communicate with an electronic microprocessor-based control system that i

대표청구항 ▼

What is claimed is: 1. A method of controlling a refrigeration system in a refrigerator comprising the steps of: measuring a freezer compartment temperature and an ambient temperature; determining a freezer compartment upper temperature limit, a freezer compartment lower temperature limit, a freezer compartment set-point temperature, and a fresh-food compartment set-point temperature; comparing the freezer compartment temperature with the freezer compartment upper temperature limit and the freezer compartment lower temperature limit; and operating at least one of a variable speed compressor, a condenser fan, and an evaporator fan based on a comparison of the freezer compartment temperature, the freezer compartment set-point temperature, the fresh-food compartment set-point temperature and the ambient temperature wherein a first control logic or algorithm is used for operating the at least one of the variable speed compressor, the condenser fan, and the evaporator fan for when the freezer compartment temperature is greater than the freezer compartment upper temperature limit, a second control logic or algorithm is used when the freezer compartment temperature is greater than a freezer compartment lower temperature limit and less than a freezer compartment upper temperature limit, and a third control or algorithm is used when the freezer compartment temperature is less than the freezer compartment lower temperature limit. 2. The method of claim 1, wherein if the freezer compartment temperature is greater than the freezer compartment upper temperature limit the method further comprising the steps of: adjusting the speed of the variable speed compressor based on at least one of a freezer compartment set-point temperature, a freezer compartment temperature, a freezer compartment upper limit temperature and a freezer compartment lower temperature limit; turning on the condenser fan; and, turning on the evaporator fan at maximum speed. 3. The method of claim 1, wherein if the freezer compartment temperature is greater than a freezer compartment lower temperature limit and less than a freezer compartment upper temperature limit the method further comprising the steps of: operating the speed of the variable speed compressor at a calculated speed based on the freezer compartment set-point temperature, the fresh-food compartment set-point temperature and the ambient temperature; turning on the condenser fan; comparing a fresh-food compartment temperature to a fresh-food compartment upper temperature limit; wherein if the fresh-food compartment temperature is greater than the fresh-food compartment upper temperature limit turning on the evaporator fan at maximum speed, and, wherein if the fresh-food compartment temperature is less than the fresh-food compartment upper temperature limit turning on the evaporator fan at minimum speed. 4. The method of claim 1, wherein if the freezer compartment temperature is less than freezer compartment lower temperature limit the method further comprising the steps of: calculating the speed of the variable speed compressor based on the freezer compartment set-point temperature, the fresh-food compartment set-point temperature and the ambient temperature; comparing the calculated speed to a predetermined variable compressor speed; and, reducing the speed of the variable speed compressor based on the freezer compartment temperature and the freezer compartment set-point temperature if the calculated speed is greater than the predetermined variable compressor speed. 5. The method of claim 4 further comprising the steps of: comparing a fresh-food compartment temperature to a fresh-food compartment upper temperature limit; turning the variable speed compressor and condenser fan off if the fresh-food compartment temperature is greater than the fresh-food compartment upper temperature limit; determining if the fresh-food compartment is cooling or a fast ice/fast freeze function is on; turning the evaporator fan off if the fresh-food compartment is not cooling and the fast ice/fast freeze function is off; and, turning the evaporator fan on if the fresh-food compartment is cooling or the fast ice/fast freeze function is on.

이 특허에 인용된 특허 (28) 인용/피인용 타임라인 분석

Davis, Kenneth E.; Miller, Alvin V.; Ryner, Joseph H.; VanMeter, Kyle B.; Wetekamp, Robert L., Adaptive defrost control for a refrigerator.
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Higashiyama, Akiyoshi, Air conditioning systems.
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Polkinghorne John (Burlington CAX), Appliance control system.
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Hollenbeck Robert K., Compressor including a motor and motor control in the compressor housing and method of manufacture.
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Aarestrup, Jan Caroe, Cooling device.
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Whipple ; III Walter, Energy-efficient refrigerator control system.
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Bennett, William B.; Reier, James T., Evaporator fan control system for a multi-compartment refrigerator.
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Knezic Timothy M. (Evansville IN) Kuehl Steven J. (Lincoln Township ; Berrien County MI), Fuzzy logic apparatus control.
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Gray, Steven J.; Zenter, Martin M.; DuPlessis, Samuel V.; King, Scott Russell; Janardhanam, Ramesh, Low energy appliance control apparatus and method.
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Russell Earl (11125 Pounds Ave. Whittier CA 90603), Means for refrigeration speed control.
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Alsenz Richard H., Method and apparatus for condensing and subcooling refrigerant.
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Crane, Curtis C.; Judge, John F., Method and apparatus for controlling the removal of heat from the condenser in a refrigeration system.
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Lee Kun B. (Uijongbu KRX), Method for controlling rotation speed of a compressor for a refrigerator.
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Bessler Warren Frank, Method for selection of refrigerator control parameters.
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Brooke, Richard Dana, Methods and apparatus for controlling compressor speed.
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Morse, Robert L., Modular refrigeration system for refrigeration appliance.
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Kang Kwang Hwa,KRX, Operation speed change system and method for refrigerator.
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Rafalovich, Alexander; Hu, Ziqiang; Tummala, Anil Kumar; DeVos, Richard, Reduced energy refrigerator defrost method and apparatus.
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Bellomo Matteo (Moncalieri ITX), Refrigeration compressor with electronic control arrangement.
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Wills Frank E. (York PA) Norbeck Dean K. (York PA), Refrigeration system and method.
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Kobayashi Minoru (Tochigi JPX) Iizuka Kenichi (Ashikaga JPX) Fujimoto Ryoichi (Tochigi JPX) Kobayashi Morio (Oyama JPX), Refrigerator temperature control system.
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Holmes, John S.; Queen, II, Jerry J.; Herzog, Rollie R.; Mathews, Mark Robert; Bultman, Robert M.; Holder, Tim; Daum, Wolfgang, Refrigerator—electronics architecture.
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Hu, Ziqiang; Brooke, Richard Dana; Rafalovich, Alexander Pinkus; Tummala, Anil Kumar, Sealed system multiple speed compressor and fan control.
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Kobayashi Minoru (Shimotsuga JPX) Iizuka Kenichi (Ashikaga JPX) Uzuhashi Hideo (Shimotsuga JPX), System of controlling refrigerator temperature.
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Janke Donald E. (Benton Township ; Berrien County MI), System of two zone refrigerator temperature control.
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Nam, Young Sok; Cho, Seong Ho; Jung, Yun Chul; Choi, Jay Ho, Temperature control method for refrigerator.
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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.
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Davis, Kenneth E.; Miller, Alvin V.; Ryner, Joseph H.; VanMeter, Kyle B.; Wetekamp, Robert L., Variable speed refrigeration system.
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이 특허를 인용한 특허 (5) 인용/피인용 타임라인 분석

Lacey, Kevin; Alvord, Robert; Kopec, Jim, Adaptive defrost controller for a refrigeration device.
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Maass, Günter Johann, Data and commands communication system and method between variable capacity compressor and electronic thermostat for a cooling system.
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Wang, Qi; Swift, Todd; Bair, III, Richard H., Refrigeration system having a variable speed compressor.
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Wang, Qi; Swift, Todd; Bair, Richard, Refrigeration system having a variable speed compressor.
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Graichen, Catherine Mary, Security access control system and method for making same.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Electronic refrigeration control system including a variable speed compressor 원문보기