FIELD: machine building.
SUBSTANCE: group of inventions relates to an oil circuit and an oil-free compressor equipped with such an oil circuit, and a method of controlling lubrication and/or cooling of such an oil-free compressor by means of such an oil circuit. More specifically, the invention is intended to provide an oil circuit for an improved method of controlling lubrication and/or cooling of an oil-free compressor comprising a motor with an adjustable rate of rotation or speed, i.e. with controlled variable speed drive by means of this improved oil circuit.
EFFECT: improved oil circuit is proposed.
28 cl, 7 dwg
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