Rotary compressor with vane coupled to rolling piston
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United States of America
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Feb 4, 2020
Grant Date -
Sep 28, 2017
app pub date -
Aug 19, 2015
filing date -
Aug 19, 2015
priority date (Note) -
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status (Latency Note)
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Abstract
A compressor including a hinge recess formed at a rolling piston and a hinge protrusion formed at a vane to be inserted into the hinge recess. A diameter of the hinge protrusion is greater than an interval between both ends of an opening of the hinge recess. A bearing surface, which comes in contact with an inner circumferential surface of the hinge recess, of an outer circumferential surface of the hinge protrusion, has a circumferential surface below 90° at both sides, respectively, based on a central line in a lengthwise direction of the vane. This structure may facilitate cutting and grinding of the bearing surface so as to reduce machining costs, and also improve a machining degree and thus stabilize behaviors of the rolling piston and the vane so as to enhance compression efficiency.
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