Scroll compressor having oldham coupling with key portions projecting from horizontal surfaces into key grooves
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United States of America Patent
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Mar 9, 2021
Grant Date -
May 9, 2019
app pub date -
Apr 17, 2017
filing date -
Apr 18, 2016
priority date (Note) -
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Abstract
A scroll compressor includes a movable scroll having first key grooves, a stationary member having second key grooves, and an Oldham coupling provided between the movable scroll and stationary member. The Oldham coupling is movable with respect to the stationary member along a first axis, and with respect to the movable scroll along a second axis. The Oldham coupling has an annular body portion, at least two first key portions fitted into the first grooves, and a pair of second key portions fitted into the second grooves. The first horizontal surface has inwardly positioned surfaces positioned more on a center of gravity side of the Oldham coupling than virtual extension lines of first inner peripheral edges that are part of an inner peripheral edge of the annular body portion. The first key portions have inwardly positioned portions that project from the inwardly positioned surfaces.
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