Gearbox Oil Line Layout With Selective Outlets for Variant Reduction
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Solution Overview
Problem
Existing transmission lubrication systems using pipelines face challenges with limited installation space and require separate designs for each gearbox variant, making them inefficient and space-intensive.
Innovation Solution
A transmission design featuring a rotatable component with dual outlet openings in the oil line, where one outlet can be closed oil-tight using a closure element, allowing adaptation to different lubrication points without design changes, and an annular channel oil line ensuring consistent oil supply regardless of angular position.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate pipeline designs are implemented for each transmission variant, then lubrication can be adapted to specific transmission configurations, but device complexity and manufacturing costs increase
Solution Approach 1:
The oil line is designed with multiple outlet openings that can selectively supply oil to different lubrication points. A single universal oil line design can serve multiple transmission variants by closing unused outlets, eliminating the need for variant-specific pipeline designs while maintaining adaptability
Solution Approach 2:
The oil line is divided into multiple outlet openings, each capable of being independently closed. This segmentation allows the system to adapt to different transmission variants by selectively closing unused outlets, transforming a single complex design into multiple simple configurations
2Reliability
If pipelines are used for injection lubrication, then oil can be delivered to lubrication points, but installation space is consumed and limited
Solution Approach 1:
The oil line is integrated directly into the rotatable component, merging the lubrication function with the component structure. This eliminates separate pipeline installations and reduces the space required for lubrication system components while maintaining reliable oil delivery
3Adaptability or versatility
If outlet openings are provided at different distances from the rotation axis, then oil can reach lubrication points at various positions, but manufacturing precision requirements increase
Solution Approach 1:
The outlet openings are positioned at different distances from the rotation axis with varying radii. By changing the radial position parameter of each outlet, the system can adapt to different lubrication point locations without requiring complex positioning mechanisms, as the rotational motion naturally delivers oil to the appropriate lubrication points
Data Source
Figure 1
AI summary
The invention relates to a gearbox with at least one rotatable component (101, 103) and at least one oil line (111). The gearbox has at least one closure element (121a) with which a first and a second outlet opening (119a, 119b) of the oil line (111) can be selectively closed; wherein one of the outlet openings (119a) is closed with the closure element (121a) and one of the outlet openings (119b) is open.