Rotary vane compressor

摘要

There is provided a rotary compressor comprising an electric element, and first and second rotary compression elements driven by the electric element, these components being provided in a hermetically sealed container, gas compressed by the first rotary compression element being discharged into the hermetically sealed container, and the discharged gas of intermediate pressure being further compressed by the second rotary compression element, first and second cylinders respectively constituting the first and second rotary compression elements, an intermediate diaphragm provided between the cylinders to partition each rotary compression element, a support member adapted to seal an opening surface of each cylinder, and provided with a bearing of a rotary shaft and an oil hole formed in the rotary shaft, wherein the intermediate diaphragm includes an oil supply groove for communicating the oil hole with a low pressure chamber in the second cylinder on a surface on the second cylinder side.