The object of my invention is to provide a construction of screw pump adapted for impelling water in a continuous manner, such as in sewerage and irrigation ...

The pump provides quiet, smooth operation by using a dual action piston attached to a nut which is reciprocated on a ball screw. The pump has an input chamber ...

Abstract. translated from. A hydraulic screw pump is provided having a rotatable screw which may comprise a helical blade disposed within an enclosed full or ...

Description. translated from · 1 is a conventional perspective view of the twin screw pump showing our new design; · 2 is a rear, left-side, bottom perspective ...

The present disclosure relates generally to improved systems and methods for coupling a temperature monitoring system within a screw pump to prevent dry ...

Of the Invention is based on the finding that the on the spindle acting hydraulic lateral force influenced by profile packages with different pitch can be. With ...

The resultant thrust on each assembly is absorbed in part by a circular piston on the assembly near the rear of the pump and the remainder by a thrust bearing ...

The anchoring device of the screw pump also comprises a rotation preventing device, wherein the rotation preventing device comprises a radial anchoring ...

the present invention relates to a screw pump having a drive screw and two or more impeller screws engaging therewith and mounted in a housing surrounding ...

a screw pump comprises a stator having a fluid inlet and a fluid outlet, the stator housing first and second externally threaded, tapered rotors mounted on ...

Abstract. translated from. The utility model relates to a multi-head identical-thickness screw pump stator glue-injection device, which mainly solves the ...

418-202 Claims ABSTRACT F THE DISCLOSURE A pump of the screw type having a pair of screws of opposite pitch and means for securing together each screw as a pair ...

The screw pump for continuously conveying pulverulent and fine-grained bulk materials has a screw tree which conveys the bulk material from an inlet space ...

According to another aspect of the present invention there is provided a downhole multi-phase twin screw pump which includes a housing having an intake end, an ...

The innovation concerns a universal joint for connecting a cardan shaft with an eccentric worm or a drive shaft an eccentric screw pump, consisting of two joint ...

On the outer surface of the rotor of a single-screw pump in the form of a single-start screw, the circular cross section of which is offset relative to the axis ...

The utility model discloses an axial flow screw pump. The pump comprises a pump body, an axial flow rotor and a screw rotor, wherein a pump cavity is ...

Described a kind of new type single screw pump, the number of starts of its conventional rotor is 2～7, the number of starts of stator is Duoed one than the ...

A flow straightener having radial fins may be arranged between the screw and the passage for controlling the flow of oil into the passage preventing a vortex.

A model for a screw pump can be so designed that the value of the radial clearance h(x) can be determined. In the model, the radial clearance in the middle ...