SPIRAL COMPRESSOR Russian patent published in 2024 - IPC F04C18/02 F04C29/02 

FIELD: spiral rotary machines.

SUBSTANCE: invention relates to spiral rotary machines and is intended for use in refrigeration and air conditioning systems. The spiral compressor contains a sealed housing 1, the inner cavity of which is divided into a discharge cavity 3 and a suction cavity 4. A compression mechanism 2 is installed in the cavity 4, the discharge channel 12 of which exits into the cavity 3. At the bottom 13 of the cavity 3, a cylindrical groove 14 is made with an inlet 15 of the outlet channel 16, made with the possibility of returning oil from the cavity 3 to the cavity 4. The groove 14 is the seat of the spool valve 17, consisting of from the spool 18 in the form of a hollow cylinder with a side surface truncated parallel to the axis of the cylinder 19, coaxially mounted on a fixed axis 20 with the possibility of rotation around the axis 20 and overlapping the opening 15 of the channel 16.

EFFECT: invention is aimed at improving the efficiency of the spiral compressor.

4 cl, 5 dwg