Supporting device for a ring gear, and ring gear
The support device with projections and rib sections addresses the complexity of manufacturing ring gear components by facilitating reliable machining and casting, achieving efficient and space-saving assembly.
WO2026057536A1PCT designated stage Publication Date: 2026-03-19ZF FRIEDRICHSHAFEN AG
Patent Information
- Authority / Receiving Office
- WO · WO
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2025-09-09
- Publication Date
- 2026-03-19
AI Technical Summary
Technical Problem
The production of a support device for a ring gear and the ring gear itself is complex and time-consuming, particularly in manufacturing a metallic housing for a planetary gear system.
Method used
A support device with a wall section and support contour featuring projections and rib sections that facilitate reliable machining and casting, allowing for uniform support and alignment of the ring gear, reducing installation space and improving mold filling.
Benefits of technology
Enables reliable and efficient manufacturing of the support device and ring gear, ensuring uniform support and reduced radial space requirements while enhancing operational stability.
✦ Generated by Eureka AI based on patent content.
Smart Images
Figure EP2025075561_19032026_PF_FP_ABST
Abstract
A supporting device (1) for a ring gear (10) of a planetary transmission, the supporting device (1) having a wall section (2) and a supporting contour (3) for supporting the ring gear (10) fixedly for conjoint rotation, which supporting contour extends annularly about a first longitudinal axis (A) from the wall section (2) and in the direction of the first longitudinal axis (A), wherein the supporting contour (3) is formed with a plurality of projections (4) which are spaced apart from one another in the circumferential direction, wherein a plurality of the projections (4) each have a first edge (4a) for supporting the ring gear (10) in the circumferential direction.
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Citation Information
Patent Citations
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