[특허]Refrigerator and method for controlling same

Refrigerator and method for controlling same 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H02P-001/04
출원번호	US-0724571 (2010-03-16)
등록번호	US-8476858 (2013-07-02)
우선권정보	KR-10-2009-0024204 (2009-03-20)
발명자 / 주소	Eom, Yong Hwan Yoo, Myung Keun Shin, Hyoun Jeong Yu, Ok Sun Kim, Young Jin Han, Seung Do
출원인 / 주소	LG Electronics Inc.
대리인 / 주소	KED & Associates, LLP
인용정보	피인용 횟수 : 0 인용 특허 : 45

초록

A refrigerator and a method for controlling the same are provided. In this refrigerator and control method, a receiving box may be automatically drawn in and out together with a door based on a movement command received at an input unit, thus enhancing user convenience and satisfaction.

대표청구항 ▼

1. A method for controlling a refrigerator, the method comprising: transmitting a door closing command to a controller;applying power to a driving motor that transmits a moving force to the door, comprising varying an applied voltage so that a rotation number of the driving motor is reduced before the door is closed;determining whether the door is closed; andcontinuing to supply power to the driving motor for a preset time even after it is determined that the door is closed, wherein varying the applied voltage comprises: reducing the rotation number of the driving motor and then maintaining the reduced rotation number; andincreasing the rotation number of the driving motor immediately before the door is fully closed. 2. The method of claim 1, wherein determining whether the door is closed is based on at least one of a signal transmitted from a door sensing switch, a distance to the door sensed by a distance sensor, or a moving time of the door. 3. The method of claim 1, further comprising after it is determined that the door is closed, applying a voltage to the driving motor that is lower than a voltage applied at the moment that the door is closed. 4. The method of claim 3, further comprising, after it is determined that the door is closed, gradually reducing a voltage applied to the driving motor. 5. The method of claim 1, further comprising after it is determined that the door is closed, applying a voltage to the driving motor that is lower than a voltage applied at the moment that the door is closed. 6. The method of claim 1, further comprising, after it is determined that the door is closed, gradually reducing a voltage applied to the driving motor. 7. A method for controlling a refrigerator, the method comprising: transmitting a door closing command to a controller;applying power to a driving motor that transmits a moving force to the door;determining whether the door is closed; andcontinuing to supply power to the driving motor for a preset time even after it is determined that the door is closed,wherein applying power to the driving motor comprises controlling a voltage applied to the driving motor so that a rotation number of the driving motor is increased immediately before the door is closed. 8. The method of claim 7, wherein determining whether the door is closed is based on at least one of a signal transmitted from a door sensing switch, a distance to the door sensed by a distance sensor, or a moving time of the door. 9. A method for controlling a refrigerator, the method comprising: transmitting a door closing command to a controller;applying power to a driving motor that transmits a moving force to the door sensing a distance of the door from a distance sensing unit when the door is in an opened position;reducing a voltage applied to a motor driver when the distance is determined by the distance sensing unit to be equal to or less than a first set distance;maintaining the voltage at a constant level after reducing the voltage by a predetermined amount;reducing the voltage for a predetermined time, when a door sensor senses the door is closed; andinterrupting the voltage when the predetermined time elapses after the door is closed, to terminate the drawing in process of the door. 10. The method of claim 9, wherein the voltage at the constant level is maintained until the door sensor senses the door is closed. 11. The method of claim 9, further comprising continuously sensing the distance of the door from the distance sensing unit after reducing the voltage at the first set distance, wherein the voltage at the constant level is maintained until the distance determined by the distance sensing unit is to be equal to or less than a second set distance. 12. The method of claim 11, further comprising: increasing the voltage when the distance is equal to or less than the second set distance and until the door sensor senses the door is closed.

이 특허에 인용된 특허 (45)

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Hauer, Christian, Drive device for movable furniture parts.
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Hoffman, Keith A., Interlock mechanism for lateral file cabinets.
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A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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Refrigerator and method for controlling same 원문보기

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저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
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Refrigerator and method for controlling same 원문보기

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