| 摘要 |
A sealed compressor (100) comprises an electric component (110), a compression component (112), and a sealed container (102), the compression component includes a shaft (118), a cylinder block (124), a piston (130), and a ball bearing (176), the ball bearing includes a cage (168), a plurality of rolling elements (166); a first race (164), a second race (170), and a support member (172), and when a mass of a shaft assembly (118a) including the rotor (116) and the shaft is M, a spring constant of the support member is K, and a maximum rotational frequency of the shaft assembly is F, a relationship of F<1/4π)*(K/M)−0.5 is satisfied. |
