[특허]Vehicle air conditioner with defrosting operation in exterior heat exchanger

DENSO Corporation

검색어에 아래의 연산자를 사용하시면 더 정확한 검색결과를 얻을 수 있습니다.
검색연산자

검색도움말
검색연산자	기능	검색시 예
()	우선순위가 가장 높은 연산자	예1) (나노 (기계 \| machine))
공백	두 개의 검색어(식)을 모두 포함하고 있는 문서 검색	예1) (나노 기계) 예2) 나노 장영실
\|	두 개의 검색어(식) 중 하나 이상 포함하고 있는 문서 검색	예1) (줄기세포 \| 면역) 예2) 줄기세포 \| 장영실
!	NOT 이후에 있는 검색어가 포함된 문서는 제외	예1) (황금 !백금) 예2) !image
*	검색어의 *란에 0개 이상의 임의의 문자가 포함된 문서 검색	예) semi*
""	따옴표 내의 구문과 완전히 일치하는 문서만 검색	예) "Transform and Quantization"

과학기술 지식인프라 ScienceON

연합인증

연합인증 가입 기관의 연구자들은 소속기관의 인증정보(ID와 암호)를 이용해 다른 대학, 연구기관, 서비스 공급자의 다양한 온라인 자원과 연구 데이터를 이용할 수 있습니다.

이는 여행자가 자국에서 발행 받은 여권으로 세계 각국을 자유롭게 여행할 수 있는 것과 같습니다.

연합인증으로 이용이 가능한 서비스는 NTIS, DataON, Edison, Kafe, Webinar 등이 있습니다.

한번의 인증절차만으로 연합인증 가입 서비스에 추가 로그인 없이 이용이 가능합니다.

다만, 연합인증을 위해서는 최초 1회만 인증 절차가 필요합니다. (회원이 아닐 경우 회원 가입이 필요합니다.)

연합인증 절차는 다음과 같습니다.

최초이용시에는
ScienceON에 로그인 → 연합인증 서비스 접속 → 로그인 (본인 확인 또는 회원가입) → 서비스 이용

그 이후에는
ScienceON 로그인 → 연합인증 서비스 접속 → 서비스 이용

연합인증을 활용하시면 KISTI가 제공하는 다양한 서비스를 편리하게 이용하실 수 있습니다.

특허 상세정보

MyON담기

내보내기 페이스북 공유 트위터 공유 카카오톡 공유

Vehicle air conditioner with defrosting operation in exterior heat exchanger

특허상세정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B60H-001/32 B60H-001/00 B60H-003/00 F25B-029/00
미국특허분류(USC)	165/202; 165/240; 165/241; 165/231; 062/160; 062/324.5; 062/324.6; 062/238.7; 237/002.B; 237/012.3B
출원번호	US-0229191 (2002-08-27)
우선권정보	JP-2001-256153(2001-08-27)
발명자 / 주소	Honda,Keita Iritani,Kunio
출원인 / 주소	DENSO Corporation
대리인 / 주소	Harness, Dickey &
인용정보	피인용 횟수 : 10 인용 특허 : 1

초록
▼

In a vehicle air conditioner for heating a passenger compartment by a heater core and a heat pump cycle, when operation of a heat pump cycle is switched from a defrosting operation to a heating assist operation, a heating degree of the heater core is increased higher than a predetermined heating degree. Further, when the operation of the heat pump cycle is switched from the defrosting operation to the heating assist operation, an air outlet mode except for a defrosting mode for defrosting a windshield is set. Further, in the defrosting operation of the h...

대표
청구항
▼

What is claimed is: 1. An air conditioner for a vehicle, comprising: a heater core for heating air to be blown into a passenger compartment by performing a heat-exchange between the air and a fluid supplied into the heater core, the fluid having recovered exhaust heat generated in the vehicle; a heat pump cycle including an interior heat exchanger for performing a heat-exchange between a refrigerant and the air to be blown into the passenger compartment, and an exterior heat exchanger for performing a heat-exchange between the refrigerant and outside air; and a control unit for controlling operation of the heat pump cycle to switch to one of a heating assist operation where the interior heat exchanger radiates heat to heat the air together with the heater core, and a defrosting operation where the exterior heat exchanger is defrosted using heat radiated from the exterior heat exchanger while the interior heat exchanger absorbs heat from the air, wherein: the control unit sets a predetermined heating degree to maintain a desired temperature in the passenger compartment; the control unit sets an increased heating degree of the heater core which is higher than the predetermined heating degree when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation; the fluid supplied into the heater core is cooling water for cooling an engine mounted on the vehicle; and when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation, the increased heating degree of the heater core is set by increasing a rotational speed of the engine. 2. An air conditioner for a vehicle, comprising: a heater core for heating air to be blown into a passenger compartment by performing a heat-exchange between the air and a fluid supplied into the heater core, the fluid having recovered exhaust heat generated in the vehicle; a heat pump cycle including an interior heat exchanger for performing a heat-exchange between a refrigerant and the air to be blown into the passenger compartment, and an exterior heat exchanger for performing a heat-exchange between the refrigerant and outside air; and a control unit for controlling operation of the heat pump cycle to switch to one of a heating assist operation where the interior heat exchanger radiates heat to heat the air together with the heater core, and a defrosting operation where the exterior heat exchanger is defrosted using heat radiated from the exterior heat exchanger while the interior heat exchanger absorbs heat from the air, wherein: the control unit sets a predetermined heating degree to maintain a desired temperature in the passenger compartment; the control unit sets an increased heating degree of the heater core which is higher than the predetermined heating degree when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation; when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation, the increased heating degree of the heater core is set by increasing a flow amount of fluid supplied into the heater core. 3. An air conditioner for a vehicle, comprising: a heater core for heating air to be blown into a passenger compartment by performing a heat-exchange between the air and a fluid supplied into the heater core, the fluid having recovered exhaust heat generated in the vehicle; a heat pump cycle including an interior heat exchanger for performing a heat-exchange between a refrigerant and the air to be blown into the passenger compartment, and an exterior heat exchanger for performing a heat-exchange between the refrigerant and outside air; and a control unit for controlling operation of the heat pump cycle to switch to one of a heating assist operation where the interior heat exchanger radiates heat to heat the air together with the heater core, and a defrosting operation where the exterior heat exchanger is defrosted using heat radiated from the exterior heat exchanger while the interior heat exchanger absorbs heat from the air, wherein: the control unit sets a predetermined heating degree to maintain a desired temperature in the passenger compartment; the control unit sets an increased heating degree of the heater core which is higher than the predetermined heating degree when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation; a radiator for cooling the fluid by performing a heat exchange between the fluid and outside air, wherein: the fluid is cooling water for cooling an engine mounted on the vehicle; and when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation, cooling water bypasses the radiator so that the heating degree of the heater core becomes higher than the predetermined heating degree. 4. An air conditioner for a vehicle, comprising: a heater core for heating air to be blown into a passenger compartment by performing a heat-exchange between the air and a fluid supplied into the heater core, the fluid having recovered exhaust heat generated in the vehicle; a heat pump cycle including an interior heat exchanger for performing a heat-exchange between a refrigerant and the air to be blown into the passenger compartment, and an exterior heat exchanger for performing a heat-exchange between the refrigerant and outside air; and a control unit for controlling operation of the heat pump cycle to switch to one of a heating assist operation where the interior heat exchanger radiates heat to heat the air together with the heater core, and a defrosting operation where the exterior heat exchanger is defrosted using heat radiated from the exterior heat exchanger while the interior heat exchanger absorbs heat from the air, wherein: the control unit sets a predetermined heating degree of the heater core and the interior heat exchanger to maintain a desired temperature in the passenger compartment; the control unit continuously operates the heat pump cycle and sets an increased heating degree of the heater core which is higher than the predetermined heating degree of the heater core when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation. 5. The air conditioner according to claim 4, further comprising an air mixing door for adjusting a temperature of air blown into the passenger compartment by adjusting a flow ratio of an air amount passing through the heater core to an air amount passing the interior heat exchanger, wherein when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation, the flow ratio of the air mixing door is increased to be higher than a predetermined ratio to increase the heating degree of the heater core. 6. The air conditioner according to claim 4, wherein: when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation, a target temperature of air to be blown into a passenger compartment of the vehicle is set higher than a predetermined temperature to increase the heating degree of the heater core. 7. The air conditioner according to claim 4, wherein: the control unit has a mode setting member for setting one of a defroster mode where air is blown into the passenger compartment toward a front windshield of the vehicle and an other mode where air is blown into the passenger compartment toward a seat side different from the front windshield; when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation, the other mode is set by the mode setting member. 8. The air conditioner according to claim 4, wherein: in the defrosting operation, the control unit controls the operation of the heat pump cycle such that temperature of the interior heat exchanger becomes higher than a set temperature. 9. The air conditioner according to claim 4, wherein: the control unit has fogging determining means for determining whether or not a windshield of the vehicle is difficult to be fogged; and when the fogging determining means determines that the windshield is difficult to be fogged, it is determined that a condition for switching the operation of the heat pump cycle from the defrosting operation to the heating assist operation is satisfied. 10. The air conditioner according to claim 4, wherein: the control unit has stop-state determining means for determining whether or not the vehicle is stopped longer than a predetermined time period; when the stop-state determining means determines that the vehicle is stopped longer than the predetermined time, it is determined that a condition for switching the operation of the heat pump cycle from the defrosting operation to the heating assist operation is satisfied. 11. The air conditioner according to claim 4, wherein the control unit sets the increased heating degree for a predetermined time after the switching of the operation of the heat pump cycle from the defrosting operation to the heating assist operation. 12. The air conditioner according to claim 4, further comprising: a first adjusting means for adjusting the heating degree of the heater core; and a second adjusting means for adjusting the heating degree of the heater core, the second adjusting means being capable of increasing the heating degree of the heater core in addition to the heating degree obtained by the first adjusting means; wherein the control unit controls the first adjusting means to obtain the predetermined heating degree when the operation of the heat pump cycle is in the heating assist operation before switching to the defrosting operation, and the control unit controls both the first and the second adjusting means to obtain the increased heating degree when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation. 13. The air conditioner according to claim 4, wherein the control unit controls the heat pump cycle to be operated in the defrosting operation when it is determined that the exterior heat exchanger is frosted and a heating operation for the passenger compartment is performed only by using the heater core. 14. The air conditioner according to claim 4, wherein the control unit automatically sets the increased heating degree of the heater core. 15. The air conditioner according to claim 14, wherein the control unit immediately sets an increased heating degree of the heater core when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation. 16. The air conditioner according to claim 4, wherein the control unit immediately sets an increased heating degree of the heater core when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation. 17. An air conditioner for a vehicle, comprising: a heater core for heating air to be blown into a passenger compartment by performing a heat-exchange between the air and a fluid supplied into the heater core, the fluid having recovered exhaust heat generated in the vehicle; a heat pump cycle including an interior heat exchanger for performing a heat-exchange between a refrigerant and the air to be blown into the passenger compartment, and an exterior heat exchanger for performing a heat-exchange between the refrigerant and outside air; and a control unit for controlling operation of the heat pump cycle to switch one of a heating assist operation where the interior heat exchanger radiates heat to heat the air together with the heater core, and a defrosting operation where the exterior heat exchanger is defrosted using heat radiated from the exterior heat exchanger while the interior heat exchanger absorbs heat from the air, wherein: the control unit controls the heat pump cycle to be operated in the heating assist operation when it is determined that the recovered exhaust heat amount is deficient for heating air in the heater core, and to be operated in the defrosting operation when it is determined that the exterior heat exchanger is frosted; and the control unit sets a heating degree of the heater core and the interior heat exchanger at a predetermined heating degree to maintain a desired temperature in the passenger compartment when the operation of the heat pump cycle is in the heating assist operation before switching to the defrosting operation, and the control unit continuously operates the heat puma cycle and sets the heating degree of the heater core at an increased heating degree of the heater core which is higher than the predetermined heating degree when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation. 18. The air conditioner according to claim 17, wherein the control unit automatically sets the increased heating degree of the heater core. 19. The air conditioner according to claim 18, wherein the control unit immediately sets an increased heating degree of the heater core when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation. 20. The air conditioner according to claim 17, wherein the control unit immediately sets an increased heating degree of the heater core when the operation of the heat pump cycle is switched to the heating assist operation from the defrosting operation.

이 특허에 인용된 특허 (1)

Kurahashi Yasufumi,JPX ; Fukumoto Minoru,JPX ; Yoshida Norio,JPX. Automotive air conditioning apparatus. USP2000126164367.

이 특허를 인용한 특허 피인용횟수: 10

IPC 상위 출원인

내보내기

상세정보
내보내기 구분	파일저장 인쇄 메일전송
구성항목	관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표IPC 관리번호, 국가코드, 자료구분, 상태, 출원번호, 출원일자, 공개번호, 공개일자, 공고번호, 공고일자, 등록번호, 등록일자, 발명명칭(한글), 발명명칭(영문), 출원인(한글), 출원인(영문), 출원인코드, 대표출원인, 출원인국적, 출원인주소, 발명자, 발명자E, 발명자코드, 발명자주소, 발명자 우편번호, 발명자국적, 대표IPC, IPC코드, 요약, 미국특허분류, 대리인주소, 대리인코드, 대리인(한글), 대리인(영문), 국제공개일자, 국제공개번호, 국제출원일자, 국제출원번호, 우선권, 우선권주장일, 우선권국가, 우선권출원번호, 원출원일자, 원출원번호, 지정국, Citing Patents, Cited Patents
저장형식	Text(ASCII format) Excel format PIAS분석(.xls)
메일정보	받는사람 (필수) @ 보내는사람 (선택) @ 제목 내용 KISTI 검색결과 이메일 서비스
안내	> 총 건의 자료가 검색되었습니다. > 다운받으실 자료의 인덱스를 입력하세요. (1-10,000) > 검색결과의 순서대로 최대 10,000건 까지 다운로드가 가능합니다. > 데이타가 많을 경우 속도가 느려질 수 있습니다.(최대 2~3분 소요) > 다운로드 파일은 UTF-8 형태로 저장됩니다. 파일의 내용이 제대로 보이지 않을실 때는 웹브라우저 상단의 보기 -> 인코딩 -> 자동선택 여부를 확인하십시오 > ~ > Text(ASCII format) Excel format

과학기술 지식인프라 ScienceON

ScienceON Chatbot

연합인증

특허 상세정보

Vehicle air conditioner with defrosting operation in exterior heat exchanger

초록
▼

대표
청구항
▼

이 특허에 인용된 특허 (1)

이 특허를 인용한 특허 피인용횟수: 10

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

연구과제 성과물(0)

참여연구원의 다른 문헌(0)

처리중입니다.

잠시만 기다려주세요.

ScienceON Chatbot

연합인증

특허 상세정보

Vehicle air conditioner with defrosting operation in exterior heat exchanger

초록 ▼

대표청구항 ▼

이 특허에 인용된 특허 (1)

이 특허를 인용한 특허 피인용횟수: 10

IPC 상위 출원인

과제정보

상세정보조회

원문조회

IPC 상세정보(version : 201201)

연구과제 성과물(0)

참여연구원의 다른 문헌(0)

처리중입니다.

잠시만 기다려주세요.

초록
▼

대표
청구항
▼