Patent · US Active

Drive unit for a twin-screw machine

US7527422B2 · kind B2 · utility

0Cited by

2References

5Claims

0Family size

Assignee

COPERION GMBH · DE

Inventors

Daniel Schwendemann · Gerlingen, DE
Ulrich Weller
Roland Kölbel · Waiblingen, DE

Key dates

Filing date	Mar 29, 2007
Grant date	May 5, 2009
Priority date	—
Expiry date	Nov 22, 2027

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T74/19651
WIPO fieldOther special machines
WIPO sectorMechanical engineering

Abstract

A drive unit for a twin-screw machine, of which the screw shafts, which can be driven in rotation in the same direction, have an axial spacing a, has two output shafts. The output shafts are provided with a respective crown gear which does not collide with the adjacent output shaft. The drive motor provided is in the form of a torque motor having a stator housing, a rotor, which is rotatably arranged in the stator housing, and at both ends of the rotor, outside the stator housing, a drive pinion meshing with a crown gear.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.