Screw rotor machine with specific lobe profiles
Screw rotor machines with specific tooth profiles
Screw rotor set
Screw rotor tip with a reverse curve
Screw rotor tooth profile
Screw rotor with specific tooth profile
Screw rotor with tooth form produced by thermal deformation and
Screw rotors and screw machine
Screw spindle vacuum pump and operating method
Screw step drive internal volume ratio varying system for helica
Screw type compressor
Screw type compressor
Screw type vacuum pump
Screw vacuum pump
Screw vacuum pump
Screw vacuum pump with a reduced starting load
Screw-rotor machine with an ellipse as a part of its male rotor
Screw-rotor machine with straight flank sections
Screw-type dry vacuum pump having an enlarged casing portion
Slide valve