Scroll compressor with coated sliding surface
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United States of America Patent
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Jul 14, 2020
Grant Date -
Oct 26, 2017
app pub date -
Jul 1, 2015
filing date -
Sep 17, 2014
priority date (Note) -
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status (Latency Note)
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Abstract
A compression device includes at least: two interleaved scrolls each of which is made of an aluminum alloy, one of the scrolls, being a fixed scroll (3), and is fixed and the other scroll, which is an orbiting scroll and moves eccentrically without rotating. Also included are anti-rotation means made of an aluminum alloy and configured to allow anti-rotation of the orbiting scroll. The compression device also includes one flat thrust bearing configured to axially contain the orbiting scroll and is made of aluminum alloys or grades of cast iron. The compression device also includes coatings for promoting friction between the fixed scroll, the orbiting scroll, the anti-rotation means and the flat thrust bearing.
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