Gear Housing Inner Wall Projections for Stable Oil Containment
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Conventional gear systems require significant material and installation space while maintaining stability and preventing oil leakage, which is not environmentally friendly and inefficient.
Innovation Solution
A gear system with a housing part featuring a cylindrical inner wall with radially inward projections, a cuboid outer wall, and a conical sealing surface, allowing for a compact, stable, and oil-tight design that conserves resources.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the cylindrical inner wall is made with thick wall material, then stability is improved, but material usage and installation space increase
Solution Approach 1:
The housing wall is segmented into a thin-walled cylindrical inner wall and separate reinforcing projections that extend radially inward. These projections are distributed around the circumference and provide localized reinforcement without requiring thick walls throughout, thus maintaining stability while reducing overall material usage.
Solution Approach 2:
Instead of uniformly thickening the entire cylindrical wall, reinforcing projections are added only at specific locations where structural support is needed. This local reinforcement approach provides necessary stability at critical points while keeping the overall wall thickness minimal, reducing material consumption and installation space.
2Quantity of substance
If the cylindrical inner wall is made with thin wall material, then material usage is reduced, but stability deteriorates
Solution Approach 1:
The housing structure is divided into a thin base wall and separate reinforcing projections. This segmentation allows the wall to remain thin for material efficiency while the projections provide discrete reinforcement zones that maintain structural stability where needed.
Solution Approach 2:
Reinforcement is achieved by adding structural elements in the radial dimension rather than increasing wall thickness in the axial dimension. The projections extend radially inward from the cylindrical wall, providing stability through a different geometric approach that doesn't consume additional axial space.
3Volume of moving object
If the outer wall region is close to the inner wall, then installation space is reduced, but oil leakage risk increases if the outer wall is damaged
Solution Approach 1:
A safety gap is intentionally maintained between the outer wall region and the cylindrical inner wall before any damage can occur. This pre-planned spacing acts as a protective buffer that prevents oil leakage even if the outer wall is compromised, ensuring reliability without requiring the walls to be tightly spaced.
Solution Approach 2:
The safety gap between the outer wall and inner wall acts as an intermediary protective zone. This space serves as a mediator that isolates the oil-containing interior from external damage, allowing the walls to be spaced apart for reliability while still fitting within compact installation spaces through efficient geometric arrangement.
4Reliability
If a large volume is filled with oil for lubrication, then lubrication effectiveness is improved, but environmental impact and material usage increase
Solution Approach 1:
The housing employs a compact, efficiently shaped cylindrical inner wall with reinforcing projections that creates an optimized oil containment volume. This thin-walled structure with strategic reinforcement allows for effective oil lubrication with minimal oil volume, reducing environmental impact while maintaining reliable lubrication of gear components.
Solution Approach 2:
The housing geometry is optimized to achieve effective lubrication with reduced oil volume. By changing the structural parameters of the housing (thin walls with reinforcing projections), the system achieves efficient oil distribution and containment that maintains lubrication effectiveness while minimizing the quantity of oil required, thereby reducing environmental harm.
Data Source
AI summary
A gear system includes a housing part. The housing part has a cylindrical inner wall which radially surrounds the wheel, e.g., toothed part, such as a gear, connected to the output shaft of the gear system for conjoint rotation. On the cylindrical inner wall are formed projections, which are spaced from each other in the circumferential direction, e.g., are spaced from each other at regular intervals, and which project radially inwards and extend axially. For example, the projections are longer in the axial direction than in the circumferential direction and in the radial direction.


