Rotary compressor and refrigeration cycle device
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United States of America Patent
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-
Jul 14, 2020
Grant Date -
Aug 2, 2018
app pub date -
Jan 29, 2018
filing date -
Jan 30, 2017
priority date (Note) -
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status (Latency Note)
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Abstract
A rotary compressor includes: a closed upright cylindrical compressor housing including an upper portion provided with a discharge section of refrigerant and a body portion provided with an intake section of the refrigerant; a compression section disposed at a lower part in the compressor housing and configured to compress the refrigerant suctioned by the intake section to discharge the refrigerant from the discharge section; and a motor disposed at an upper part in the compressor housing and configured to drive the compression section. The motor has a rotor disposed on an inner side and a stator disposed on an outer side, the refrigerant is HFO1123 refrigerant or a refrigerant mixture containing the HFO1123 refrigerant, and an inner welded portion formed by welding using flux is provided within a projection area of the rotor at the upper portion of the compressor housing.
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