HERMETIC REFRIGERANT COMPRESSOR AND REFRIGERATION APPARATUS
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United States of America Patent
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Issued Date -
Feb 1, 2018
app pub date -
Jan 13, 2017
filing date -
Jul 29, 2016
priority date (Note) -
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Abstract
A sealed refrigerant compressor comprises an electric component and a compression component accommodated in a sealed container, and the compression component includes a cylinder and a piston which is reciprocatable inside the cylinder. The electric component includes a stator, and a rotor having a lower surface facing an oil surface of lubricating oil. The rotor has a shape in which its diameter is larger than its length in a rotational axis direction thereof. A core of the rotor is provided with at least one balance hole for adjusting a load balance during rotation of the rotor, for example, at least one balance through-hole.
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