BEARING STRUCTURE, COMPRESSOR, AND REFRIGERATION CYCLE APPARATUS
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United States of America Patent
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Issued Date -
Mar 27, 2025
app pub date -
Jun 16, 2022
filing date -
Jun 16, 2022
priority date (Note) -
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status (Latency Note)
Importance
Abstract
A rotary machine includes a rotor having a cylindrical shape and having a main oil feed hole through which lubricating oil passes and that is provided in an axial direction and a slide bearing provided outward in a radial direction with a gap between the rotor and the slide bearing and configured to hold the rotor so that the rotor rotates around an axis. The rotor is provided with a branch oil feed hole through which the gap and the main oil feed hole communicate with each other and through which the lubricating oil passes. A foreign matter separating portion configured to separate foreign matter from the lubricating oil is provided further backward in a direction of rotation of the rotor than the branch oil feed hole.
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