SCREW COMPRESSOR Russian patent published in 2019 - IPC F04C18/16 F04C29/02 F04C29/04 

FIELD: machine building.

SUBSTANCE: present invention relates to screw compressor. Compressor consists of compressor element (2) with housing (4), in which screw rotors are installed on bearings, and reduction gear (3) with housing (14), having mounting surface attached to mounting surface of housing (4). Element (2) is equipped with oil circuit with inlet and outlet holes and cooling jacket with inlet and outlet holes. Input and output holes for oil and cooling medium are located in mounting surface of housing (4). Inlet and outlet holes are connected to channels for supply and removal of oil and cooling medium, which are built-in inside reduction gear (3). Cases (4, 14) are sealed at location of mounting surfaces by means of seal attached between mounting surfaces and located around bearings on reduction gear side (3). Seals intended for sealing of connections between inlet and outlet holes for oil of housing (4), on one side and channels for supply and removal of oil of housing (14), on the other side, are outside the boundary of the seal, intended for mutual sealing of housings (4, 14).

EFFECT: invention is aimed at improvement of reliability of screw compressor.

18 cl, 5 dwg