| 摘要 |
A motor-driven compressor (10) includes an electric motor (12), a compression mechanism (11) driven by the electric motor (12) so as to compress refrigerant gas, a metal housing (13) accommodating the electric motor (12) and the compression mechanism (11), a suction passage (S)communicable with interior of the housing (13) wherein refrigerant gas flows through the suction passage (S), a discharge passage (D) communicable with the interior of the housing (13) wherein refrigerant gas discharged from the compression mechanism (11) flows through the discharge passage (D) and a check valve (51;52) that is provided in at least one of the suction passage (S) and the discharge passage (D), opened while the compressor is in operation and closed while the compressor is at a stop. |
