A vehicle air-conditioning apparatus is installed at an upper portion of a vehicle and includes an apparatus main body which includes an outdoor unit chamber and an indoor unit chamber, a compressor, a first heat exchanger, an outdoor blower, a second heat exchanger, an indoor blower, and an electri
A vehicle air-conditioning apparatus is installed at an upper portion of a vehicle and includes an apparatus main body which includes an outdoor unit chamber and an indoor unit chamber, a compressor, a first heat exchanger, an outdoor blower, a second heat exchanger, an indoor blower, and an electrical component box which houses an inverter that controls the compressor. A return port for taking in in-vehicle air is provided at a lower portion of the indoor unit chamber, and the electrical component box is installed in a space inside the indoor unit chamber so as to be close to the ceiling of the indoor unit chamber, the space defined above the return port.
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1. A vehicle air-conditioning apparatus comprising: an apparatus main body installed at an upper portion of a vehicle, the apparatus main body including an outdoor unit chamber and an indoor unit chamber that is adiacent to the outdoor unit chamber with a partition therebetween;a compressor installe
1. A vehicle air-conditioning apparatus comprising: an apparatus main body installed at an upper portion of a vehicle, the apparatus main body including an outdoor unit chamber and an indoor unit chamber that is adiacent to the outdoor unit chamber with a partition therebetween;a compressor installed in the outdoor unit chamber;a first heat exchanger installed in the outdoor unit chamber to exchange heat between refrigerant and out-of-vehicle air;an outdoor blower installed in the outdoor unit chamber to blow the out-of-vehicle air after heat exchange in the first heat exchanger to outside the vehicle;a second heat exchanger installed in the indoor unit chamber to exchange heat between the refrigerant and in-vehicle air;an indoor blower installed in the indoor unit chamber to blow the in-vehicle air after heat exchange in the second heat exchanger into the vehicle;an electrical component box installed in the indoor unit chamber and housing an inverter that controls the compressor; anda return port to take in the in-vehicle air, provided at a lower portion of the indoor unit chamber, whereinthe electrical component box is provided above the return port in a vertical direction, and is positioned in a space inside the indoor unit chamber so as to be close to a ceiling of the indoor unit chamber, the space defined above the return port, anda lower portion of the electrical component box is installed at a position away from the return port in the vertical direction and a horizontal direction. 2. The vehicle air-conditioning apparatus of claim 1, wherein an openable and closable access cover is provided on an upper surface of the electrical component box. 3. The vehicle air-conditioning apparatus of claim 1, wherein a cooling fin is attached to the electrical component box. 4. The vehicle air-conditioning apparatus of claim 1, wherein a return damper to adjust an amount of the in-vehicle air to be taken in through the return port is provided to the return port. 5. The vehicle air-conditioning apparatus of claim 1, further comprising: an intake fan to take the out-of-vehicle air into the indoor unit chamber; andan intake damper to adjust an amount of the out-of-vehicle air to be taken in by the intake fan, whereinthe electrical component box is arranged midway along a passageway for the out-of-vehicle air. 6. The vehicle air-conditioning apparatus of claim 1, further comprising: an exhaust fan to exhaust the in-vehicle air taken in through the return port to outside the vehicle; andan exhaust damper to adjust an amount of the in-vehicle air to be exhausted by the exhaust fan, whereinthe electrical component box is arranged midway along a passageway for the in-vehicle air. 7. A vehicle air-conditioning apparatus comprising: an apparatus main body installed at an upper portion of a vehicle, the apparatus main body including an outdoor unit chamber, an indoor unit chamber, and a compressor chamber that is adjacent to the indoor unit chamber with a partition therebetween;a compressor installed in the compressor chamber;a first heat exchanger installed in the outdoor unit chamber to exchange heat between refrigerant compressed in the compressor and out-of-vehicle air;an outdoor blower installed in the outdoor unit chamber to blow the out-of-vehicle air after heat exchange in the first heat exchanger to outside the vehicle;a second heat exchanger installed in the indoor unit chamber to exchange heat between the refrigerant after passage through the first heat exchanger with in-vehicle air;an indoor blower installed in the indoor unit chamber to blow the in-vehicle air after heat exchange in the second heat exchanger into the vehicle; anda return port to take in the in-vehicle air, provided at a lower portion of the indoor unit chamber, whereinthe compressor chamber is provided above the return port in a vertical direction, and is positioned in a space inside the apparatus main body so as to be close to a ceiling of the apparatus main body, the space defined above the return port, anda lower portion of the compressor chamber is installed at a position away from the return port in the vertical direction and a horizontal direction. 8. The vehicle air-conditioning apparatus of claim 1, wherein the return port occupies an area larger than an area occupied by the electrical component box in a plan view of the apparatus main body. 9. A vehicle air-conditioning apparatus comprising: an apparatus main body installed at an upper portion of a vehicle, the apparatus main body including an outdoor unit chamber and an indoor unit chamber that is adjacent to the outdoor unit chamber with a partition at an end portion on a side;a compressor installed at an end portion on an indoor unit chamber side of the outdoor unit chamber;a first heat exchanger installed in the outdoor unit chamber to exchange heat between refrigerant and out-of-vehicle air;an outdoor blower installed in the outdoor unit chamber to blow the out-of-vehicle air after heat exchange in the first heat exchanger to outside the vehicle;a second heat exchanger installed at a midpoint in a vehicle longitudinal direction of the indoor unit chamber to exchange heat between the refrigerant and in-vehicle air;an indoor blower, installed at an end portion of the indoor unit chamber on a side opposite to the outdoor unit chamber, to blow the in-vehicle air after heat exchange in the second heat exchanger into the vehicle;an electrical component box installed in the indoor unit chamber and housing an inverter that controls the compressor; anda return port to take in the in-vehicle air, provided between the partition and the second heat exchanger at a lower portion of the indoor unit chamber, whereinthe electrical component box is provided above the return port in a vertical direction, and is positioned in a space inside the indoor unit chamber so as to be close to a ceiling of the indoor unit chamber, the space defined above the return port, anda lower portion of the electrical component box is installed at a position away from the return port in the vertical direction and a horizontal direction.
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이 특허에 인용된 특허 (7)
King Donald D. (Chanhassen MN), Air conditioner unit for mounting on or in the roof of a vehicle.
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