Variable speed cooling compressor including lubricating oil pumping system
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United States of America Patent
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Nov 24, 2020
Grant Date -
Jul 20, 2017
app pub date -
Jan 17, 2017
filing date -
Jan 19, 2016
priority date (Note) -
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Abstract
The present invention belongs to the technological field of cooling compressors and, particularly, constructive details of lubricating oil pumps of cooling compressors. Problem to be solved: The current state of the art does not describe any solution of oil pump and construction of rotating shaft capable of achieving the correct lubricating of the moving components that include the compression functional unit of cooling compressor, which operating speed can vary between 700 and 4500 rpm. Solution of the problem: It is disclosed is a variable speed cooling compressor which tubular extension of the oil pump, the inner axial channel of the rotating shaft, the axial channel extension of the rotating shaft and the inner cam channel segment of the rotating axis are all fluidly connected to each other in order to conform a single integrated channel.
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