Patent ID: 8763416

Claim:
An outdoor unit of an air conditioner, comprising: a housing comprising a front panel, a back panel, a top plate, a service panel and a bottom plate, wherein an inside of the housing is divided by a partition plate extending between the bottom plate and the top plate, into a blower chamber housing therein at least a heat exchanger and a blower fan, and a mechanical chamber housing therein at least a compressor and an electrical component box, the compressor is disposed at a lower part of the mechanical chamber, the electrical component box is disposed at an upper part of the mechanical chamber, the partition plate comprises an upper partition plate partitioning the upper part of the mechanical chamber from the blower chamber and a lower partition plate partitioning the lower part of the mechanical chamber from the blower chamber, the electrical component box comprises the upper partition plate, a front plate disposed along an inner surface of the service panel, said service panel covers a front side of the electrical component box, and a box base plate that receives a lower end part of the upper partition plate, said box base plate receives a lower portion of the front plate and said box base plate is fixed to an upper end surface of the lower partition plate, the box base plate is provided with a flange in a periphery of said box base plate, the flange extending downwardly, a part of the flange has a corresponding shape to the upper end surface of the lower partition plate and is received on the upper end surface of the lower partition plate, and the electrical component box is set in the mechanical chamber and the part of the flange is fitted to the lower partition plate.