Refrigerator having a variable capacity heater
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
F25D-021/06
F25D-025/00
A47F-003/04
출원번호
US-0690130
(2010-01-20)
등록번호
US-8677773
(2014-03-25)
우선권정보
KR-10-2009-0007748 (2009-01-30)
발명자
/ 주소
Lee, Youn-Seok
Kim, Kyeong-Yun
Chae, Su-Nam
Oh, Min-Kyu
Lee, Jang-Seok
출원인 / 주소
LG Electronics Inc.
대리인 / 주소
Fish & Richardson P.C.
인용정보
피인용 횟수 :
2인용 특허 :
3
초록▼
Disclosed is a refrigerator that includes a main body having a cooling chamber. The refrigerator also includes a door coupled to the main body and configured to open and close the cooling chamber. The refrigerator further includes a home bar positioned at a front surface of the door and configured t
Disclosed is a refrigerator that includes a main body having a cooling chamber. The refrigerator also includes a door coupled to the main body and configured to open and close the cooling chamber. The refrigerator further includes a home bar positioned at a front surface of the door and configured to provide access to contents of the refrigerator without opening the door. In addition, the refrigerator includes a heater positioned at the home bar and configured to adjust an amount of heat based on an ambient temperature.
대표청구항▼
1. A refrigerator having a heater, comprising: a main body having a cooling chamber;a door coupled to the main body and configured to open and close the cooling chamber;a home bar positioned at a front surface of the door and configured to enable access to contents of the refrigerator without openin
1. A refrigerator having a heater, comprising: a main body having a cooling chamber;a door coupled to the main body and configured to open and close the cooling chamber;a home bar positioned at a front surface of the door and configured to enable access to contents of the refrigerator without opening the door; anda heater positioned at the home bar, and configured to adjust an amount of heat based on an ambient temperature,wherein the home bar comprises: a case having an accommodating space;a home bar door configured to open and close a front opening of the home bar;and a home bar door gasket disposed at a contact section between the case and the home bar door,wherein the case defines a home bar door accommodating portion at a front opening of the case, the home bar door accommodating portion accommodating the home bar door when the home bar door is in a closed position,wherein the home bar door gasket contacts an outer surface of the home bar door accommodation portion,wherein the heater comprises a positive temperature coefficient (PTC) device, and a heat generator connected to the PTC device, the heat generator having a first heat generator connected to the PTC device in series and a second heat generator connected in parallel with the PTC device,wherein the heater further comprises a heat conduction unit configured to contact the PTC device, the heat conduction unit being positioned at an inner surface of the home bar door accommodating portion of the case to allow heat of the PTC device to be transferred to the case so as to maintain a temperature of a portion of the case contacting the heat conduction unit,wherein the first and second heat generators are disposed on the heat conduction unit and spaced from each other,wherein the first heat generator and the second heat generator both surround the accommodating space defined by the case of the home bar, andwherein the second heat generator is positioned inside of the first heat generator and located closer to the accommodating space than the first heat generator. 2. The refrigerator of claim 1, wherein the heat generator is configured to generate heat regardless of the ambient temperature. 3. The refrigerator of claim 1, wherein the heater is configured to determine if the ambient temperature rises, the amount of the heat being decreased when the ambient temperature rises. 4. The refrigerator of claim 1, wherein the home bar comprises a refrigerating chamber home bar and a freeze chamber home bar. 5. A refrigerator having a heater, comprising: a main body having a cooling chamber;a door coupled to the main body, positioned at a front surface of the refrigerator and configured to open and close the cooling chamber;a home bar positioned at the door and configured to enable access to contents of the refrigerator without opening the door; anda heater having at least one heat generator, positioned at the home bar and configured to generate heat based on an ambient temperature,wherein the home bar comprises: a case having an accommodating space; anda home bar door configured to open and close a front opening of the home bar; anda home bar door gasket disposed at a contact section between the case and the home bar door,wherein the case defines a home bar door accommodating portion at a front opening of the case, the home bar door accommodating portion accommodating the home bar door when the home bar door is in a closed position,wherein the home bar door gasket contacts an outer surface of the home bar door accommodation portion,wherein the heater comprises a positive temperature coefficient (PTC) device,wherein the at least one heat generator comprises a first heat generator connected to the PTC device in series and a second heat generator connected in parallel with the PTC device,wherein the heater further comprises a heat conduction unit configured to contact with the PTC device, the heat conduction unit being positioned at an inner surface of the home bar door accommodating portion of the case to allow heat of the PTC device to be transferred to the case so as to maintain a temperature of a portion of the case contacting the heat conduction unit,wherein the first and second heat generators are disposed on the heat conduction unit and spaced from each other,wherein the first heat generator and the second heat generator both surround the accommodating space defined by the case of the home bar, andwherein the second heat generator is positioned inside of the first heat generator and located closer to the accommodating space than the first heat generator. 6. The refrigerator of claim 5, wherein the home bar comprises a refrigerating chamber home bar and a freeze chamber home bar. 7. A refrigerator having a heater, comprising: a main body having an outer case that is configured to define an outer appearance and an inner case that is positioned inside of the outer case, the main body comprising a freezing chamber disposed at a lower portion of the main body and a refrigerating chamber disposed at an upper portion of the main body;a refrigerating chamber door configured to open and close the refrigerating chamber;an ice chamber located at the refrigerating chamber door and configured to store ice;a cool air passage positioned between the outer case and the inner case configured to establish a defined and restricted air flow that extends at least partially between the freezing chamber and the ice chamber; anda heater positioned between the outer case and an outer surface of the cool air passage and configured to detect an ambient temperature and generate heat variably depending on the detected ambient temperature,wherein the heater comprises a positive temperature coefficient (PTC) device, and a heat generator connected to the PTC device, the heat generator having a first heat generator connected to the PTC device in series and a second heat generator connected in parallel with the PTC device,wherein the heater further comprises a heat conduction unit configured to contact with the PTC device, the heat conduction unit being positioned at an inner surface of the outer case to allow heat of the PTC device to transfer to the outer case so as to maintain a temperature of a portion of the outer case contacting the heat conduction unit,wherein the first and second heat generators are disposed on the heat conduction unit and spaced from each other,wherein the first heat generator and the second heat generator both surround the accommodating space defined by the case of the home bar, andwherein the second heat generator is positioned inside of the first heat generator and located closer to the accommodating space than the first heat generator. 8. The refrigerator of claim 7, wherein further comprises an insulating material positioned between the outer case and inner case. 9. The refrigerator of claim 1, wherein the first heat generator is a nicrome wire and the second heat generator is a nicrome wire. 10. The refrigerator of claim 1, wherein the first heat generator follows a path that is parallel to a path followed by the second heat generator. 11. The refrigerator of claim 1, wherein a spacing between the first heat generator and the second heat generator is maintained as the first heat generator and the second heat generator surround the accommodating space defined by the case of the home bar. 12. The refrigerator of claim 5, wherein the first heat generator is a nicrome wire and the second heat generator is a nicrome wire. 13. The refrigerator of claim 5, wherein the first heat generator follows a path that is parallel to a path followed by the second heat generator. 14. The refrigerator of claim 5, wherein a spacing between the first heat generator and the second heat generator is maintained as the first heat generator and the second heat generator surround the accommodating space defined by the case of the home bar. 15. The refrigerator of claim 7, wherein the first heat generator follows a path that is parallel to a path followed by the second heat generator. 16. The refrigerator of claim 7, wherein the first heat generator and the second heat generator both surround the accommodating space defined by the case of the home bar. 17. The refrigerator of claim 7, wherein a spacing between the first heat generator and the second heat generator is maintained as the first heat generator and the second heat generator surround the accommodating space defined by the case of the home bar.
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이 특허에 인용된 특허 (3)
Kirkpatrick William R. (Faribault MN), Electric heater arrangement for fluid flow stream sensors.
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