Increasing demands for high-performance screw pumps in oil and gas as well as other
applications require deep understanding of the fluid flow field inside the machine. Important …

The built-in volume ratio of the twin-screw vacuum pump plays a crucial role in determining
its applications. The screw rotor with larger built-in volume ratio has lower power …

Screw rotors or their cross-sectional profiles primarily determine the performance of twin-
screw vacuum pumps. In order to develop new types of screw rotors with high …

Increasing demands for high-performance handling of fluids in oil and gas as well as other
applications require improvements of efficiency and reliability of screw pumps. Rotor profile …

Effects of various clearances of variable-pitch screw vacuum pump on gas backflow of
internal flow field of the pump cavity is studied. The theoretical tooth surfaces of screw rotor …

Twin-screw pumps are positive displacement machines. Two meshing screws connected by
timing gears convey the fluid trapped in the screw chambers axially from suction to …

The study of existing types of profiles of screw bodies of vacuum pumps, determining the
advantages and disadvantages of various types of profiles. Studying the energy efficiency …

Rotor profile design is a critical factor influencing the efficiency and functionality of twin
screw vacuum pumps. This paper delves into a specific aspect of rotor profile design using …

Twin screw pumps are positive displacement machines. Two meshing screws connected by
timing gears push the fluid trapped in the screw cavities axially from suction to discharge …

Twin-screw pumps are positive displacement machines. Two meshing screws connected by
timing gears push the fluid trapped in the screw cavities axially from suction to discharge …