Twin screw extruder with power branching gearing

Details Twin screw extruder with power branching gearing Twin screw extruder with power branching gearing

1981-03-09

1983-08-23

Staab, Lawrence J.

Machine element or mechanism

Gearing

Pressure distributing

74411, 74421R, F16H 5700, F16H 120

Patent

active

043997198

ABSTRACT:
Each screw shaft of a twin screw extruder with power branching gearing is driven by a gear train comprising a driven pinion, a first pair of intermediate gears meshing with the driven pinion from opposite sides, a second pair of intermediate gears each meshed with a respective one of the first pair of intermediate gears and a drive pinion meshed on its opposite sides with the second pair of intermediate gears and coupled to a power shaft. The first and second pairs of intermediate gears are capable only of rotation in a gear casing in which they are mounted but the drive pinion and the driven pinion are capable of radial movement in the casing. As shown the driven pinion has an axial extension with curved teeth engaged in one end of a coupling sleeve with internal curved teeth and a portion of the shaft has curved teeth engaged with the curved teeth in the other end of the sleeve, the shaft being mounted in bearings.

REFERENCES:
patent: 1728279 (1929-09-01), Ramsey
patent: 2737056 (1953-09-01), Baumgartner
patent: 2943507 (1960-07-01), Bacuman
patent: 3657940 (1972-04-01), Wagner
patent: 3678775 (1972-07-01), Danielsson
patent: 3824875 (1974-07-01), Willert et al.
patent: 3916712 (1975-11-01), Kelbel et al.
patent: 4261225 (1981-04-01), Zahradnik
patent: 4297907 (1981-11-01), Bossler, Jr. et al.
patent: 4315440 (1982-02-01), Chszaniecki

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