Drive unit and inverter with cooling technique
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
H02K-009/19
출원번호
UP-0501005
(2003-05-08)
등록번호
US-7525224
(2009-07-01)
우선권정보
JP-2002-269231(2002-09-13)
국제출원번호
PCT/JP03/005747
(2003-05-08)
§371/§102 date
20041122
(20041122)
국제공개번호
WO04/025807
(2004-03-25)
발명자
/ 주소
Takenaka, Masayuki
Kutsuna, Naruhiko
Yamaguchi, Kozo
출원인 / 주소
Aisin AW Co., Ltd.
대리인 / 주소
Sughrue Mion, PLLC
인용정보
피인용 횟수 :
13인용 특허 :
7
초록▼
A drive unit comprises an electric motor, a drive unit casing 2 accommodating therein the electric motor, an inverter 3 that controls the electric motor, and a flow passage of a refrigerant that cools the inverter. The inverter defines a space R between it and a heat sink 5 integral with a substrate
A drive unit comprises an electric motor, a drive unit casing 2 accommodating therein the electric motor, an inverter 3 that controls the electric motor, and a flow passage of a refrigerant that cools the inverter. The inverter defines a space R between it and a heat sink 5 integral with a substrate of the inverter, and is mounted to the drive unit casing, the space being communicated to the flow passage of the refrigerant. The heat sink comprises fins 56 that cross the space R, and abuts against the drive unit casing in a state of low thermal conduction. Thereby, the heat sink is effectively cooled by heat exchange with a cooling refrigerant in wide areas. Also, the fins contact with the drive unit casing in a state of low thermal conduction via a heat insulation material, etc., whereby direct heat conduction is avoided and efficient cooling is enabled while temperature gradient conformed to heat-resistant temperatures of the inverter and the electric motor is maintained.
대표청구항▼
The invention claimed is: 1. A drive unit including an electric motor, a drive unit casing accommodating therein the electric motor, an inverter that controls the electric motor, and a flow passage of a refrigerant that cools the inverter, the drive unit characterized in that the inverter is mounte
The invention claimed is: 1. A drive unit including an electric motor, a drive unit casing accommodating therein the electric motor, an inverter that controls the electric motor, and a flow passage of a refrigerant that cools the inverter, the drive unit characterized in that the inverter is mounted on the drive unit casing such that a heat sink united with a substrate of the inverter defines a space on a portion thereof opposed to the drive unit casing, the space is communicated to the flow passage of the refrigerant, the heat sink comprises heat-sink side fins extending into the space toward the drive unit casing, separation means (6) for preventing thermal conduction is provided in the space, wherein the separation means comprises a plurality of separation members (60) with a space (R3) there between, and both the heat-sink side fins and the drive unit casing contact directly with the separation means. 2. A drive unit including an electric motor, a drive unit casing accommodating therein the electric motor, an inverter that controls the electric motor, and a flow passage of a refrigerant that cools the inverter, the drive unit characterized in that the inverter is mounted on the drive unit casing such that a heat sink united with a substrate of the inverter defines a space on a portion thereof opposed to the drive unit casing, the space is communicated to the flow passage of the refrigerant, the heat sink comprises heat-sink side fins extending into the space toward the drive unit casing, the drive unit casing comprises drive-unit-casing side fins extending into the space toward the heat sink, separation means (6) for preventing thermal conduction is provided in the space, wherein the separation means comprises a low thermal conductive member (61), wherein the low thermal conductive member is shaped to follow contact portions of the heat-sink side fins and the drive-unit-casing side fins, and both the heat-sink side fins and the drive unit casing contact directly with the separation means, such that both the heat-sink side fins and the drive unit side fins cooperatively generate a common refrigerant flow pattern.
연구과제 타임라인
LOADING...
LOADING...
LOADING...
LOADING...
LOADING...
이 특허에 인용된 특허 (7)
Becker Klaus,DEX ; Staiger Wolfgang,DEX ; Jung Matthias,DEX ; Heinemeyer Peter,DEX, Cooling body having lugs.
Regnier Bernard,FRX ; Cettour-Rose Jacques,FRX ; Luscher Patrick,FRX ; Fellmann Daniel,FRX, Cooling element for a power electronic device and power electronic device comprising same.
Schneider Eric D. (Carmel IN) McMullen Steven R. (Anderson IN) Rajashekara Kaushik (Carmel IN) Loynes Wayne J. (Indianapolis IN) Boys William E. (Anderson IN) Martin Ronald A. (Pendleton IN), Integrated AC machine.
Baeumel Hermann,DEX ; Kilian Hermann,DEX ; Schuch Bernhard,DEX ; Bitsche Otmar,DEX, Integrated electric drive unit including an electric motor and an electronic control and monitoring module.
Pal, Debabrata; Kheraluwala, Mustansir Hussainy; Carter, Eric Alan; Downing, Robert Scott; Shepard, Charles Patrick, Cooling arrangement for a motor assembly and method of cooling a motor assembly.
Mikkelsen, Knud Jørgen Saaby; Breitzke, Bjørn; Heelund, Steen, Motor housing with electronic housing both having vertical partial cooling ribs for wet-running motor for a centrifugal pump.
※ AI-Helper는 부적절한 답변을 할 수 있습니다.