A rotary vane compressor having features for reducing sound emitted from
the compressor during operation. The sound reduction features include and
relate to specific components of the compressor. Specifically the
features relate to (1) the compressor motor; (2) a non-vented motor
housing and back or closure; (3) the inlet ring; (4) the bearing system;
(5) the rotor and vane positioning and vane weight or mass; (6) the mass
of the body within which the rotor and vane rotate; and (7) a shroud
which surrounds the body which is solid and non-vented solid and may be
formed of a laminated material having a sound dampening core layer.