Gear mechanism for twin screw extruder

Details Gear mechanism for twin screw extruder Gear mechanism for twin screw extruder

2007-03-06

2007-03-06

Wright, Dirk (Department: 3681)

Machine element or mechanism

Gearing

Plural power paths to and/or from gearing

Reexamination Certificate

active

11069460

ABSTRACT:
A gearbox mechanism is provided for a twin screw extruder having two screw shafts disposed at an angle to one another. The gear mechanism has a multi-stage reduction gearbox, and a distribution gearbox having two output lines connectable to the screw shafts. A first output line comprises a through output shaft. An angularly movable coupling, which is fixed against rotation, is disposed in a second output line placed at the angle of the screw shafts, relative to the first output line, via the coupling. A drive gear of the reduction gearbox is disposed between, and is in engagement with, a gear on the output shaft and a gear on a partial shaft of the second output line. A reduction gearbox and distribution gearbox are disposed, without spatial separation, in a common interior space of a multi-part gearbox housing.

REFERENCES:
patent: 4679461 (1987-07-01), Mizuguchi et al.
patent: 4899620 (1990-02-01), Schiffer
patent: 5836681 (1998-11-01), Giani
patent: 6234661 (2001-05-01), Thewes
patent: 27 48 918 (1979-05-01), None
patent: 34 20 918 (1985-12-01), None
patent: 0 658 414 (1999-04-01), None
patent: 1 431 330 (1976-04-01), None
Article “Handbuch der Kunstoff-Extrsionstechnick I Grundlagen”.

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