Planetary gear mechanism with adjustable ring gear
AssigneeZF Friedrichshafen AG
InventorsChristian Lohmann, Dirk Strasser, Dirk Knipschild
Life of this patent
Estimating the term…
Abstract
A planetary gear mechanism, in particular for wind power plants, includes at least one planetary gear stage that has two power-split planetary stages connected in parallel. At least one of the two planetary stages includes a ring gear which is operatively connected to a housing. At least three planetary gear wheels are arranged on an inner circumferential face of the ring gear. The ring gear is flexible in the radial direction and is configured to be adjustable in order to compensate load between the at least three planetary gear wheels and the ring gear.
Claims15
A planetary gear mechanism, comprising:
- a housing including at least one axial projection having an outer circumferential face that includes a second toothing system;
- and
- a planetary stage that includes:
- a ring gear including an inner circumferential face having a first toothing system formed thereon, the ring gear being operatively connected to the housing in a radial direction via engagement between the first and second toothing systems;
- and
- at least three planetary gear wheels positioned on an inner circumferential face of the ring gear;
- wherein the ring gear is flexible in a radial direction so as to be adjustable, and is configured to compensate load between the at least three planetary gear wheels and the ring gear.
A planetary gear mechanism, comprising:
- a housing including at least one axial projection having an outer circumferential face that includes a second toothing system;
- a gear mechanism stage that includes two power-split planetary stages connected in parallel, at least one of the two power-split planetary stages including:
- a ring gear including an inner circumferential face having a first toothing system formed thereon, the ring gear being operatively connected to the housing in a radial direction via engagement between the first and second toothing systems;
- and
- at least three planetary gear wheels positioned on an inner circumferential face of the ring gear;
- wherein the ring gear is flexible in a radial direction so as to be adjustable, and is configured to compensate load between the at least three planetary gear wheels and the ring gear.
Dependencies are inferred from the claim text.