SCREW-ROTOR COMPRESSOR FLANGE AND SCREW-ROTOR COMPRESSOR Russian patent published in 2015 - IPC F04C29/00 F04C18/16 

FIELD: engines and pumps.

SUBSTANCE: set of invention relates to joint between screw-rotor compressor (2) with drive (3) and screw-rotor compressor with flange (1). Said flange (1) comprises central bore (4) for shaft (5) and/or bearing (6) to be fitted therein and first ring-like surface (7) to abut on compressor (2) casing (8) and second ring-like surface (9) fitting in casing (10) of drive (3). Flange (1) comprises seal (11) with axial force for sealing relative to casing (8) and seal (12) with radial force of sealing relative to shaft (5). Note here that exposed casing (8) can be closed and sealed at fitting the flange (1) in place. Flange (1) is shaped to bowl to confine cavity (20) to locate coupling (21) to abut on casing (8) and drive (3) casing (10) which couples compressor (2) shaft (5) with drive (3) shaft (22).

EFFECT: lower production and assembly costs, multifunctional flange.

12 cl, 1 dwg