Epicyclic change-speed gearbox casing with a spiral partition wa

Details Epicyclic change-speed gearbox casing with a spiral partition wa Epicyclic change-speed gearbox casing with a spiral partition wa

1993-11-18

1995-11-21

Marmor, Charles A.

Machine element or mechanism

Elements

Gear casings

184 131, F16H 5704

Patent

active

054676673

ABSTRACT:
In a gearbox casing for an epicyclic change-speed gearbox, a region of the casing interior accommodating the rotating gearbox parts is partitioned off by a casing inner part configured as an intermediate wall from a region of the casing interior enclosed by a base part open towards the bottom in the installed position. The wall surface containing the inner mouth lays on a casing bulge which is bounded opposite the casing interior. The inner wall surface starts from a point on the cylindrical inner wall of the cylindrical casing outer part lying ahead of the mouth in relation to a forward rotation direction of the rotating gearbox parts to follow a spiral curve away from the casing longitudinal axis in a circumferential direction of the rotation axis.

REFERENCES:
patent: 3625310 (1971-12-01), Herrick
patent: 3703107 (1972-11-01), Piret
patent: 4630711 (1986-12-01), Levrai et al.
patent: 4879921 (1989-11-01), Asada et al.

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