Snowmobile Steering Column and Electronic Assist Unit Integration
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Current steering systems for snowmobiles are overly complex and add unnecessary weight, which affects the vehicle's performance and handling.
Innovation Solution
A steering system for snowmobiles that includes a handlebar assembly, a straight steering column with upper and lower ends, and an electronic steering assist unit sharing a common axis of rotation along the snowmobile's centerline. This design simplifies the system by reducing the number of parts and linkages, thereby minimizing weight and complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If articulated steering column or laterally offset steering column is used, then the steering system can accommodate other snowmobile components, but the system becomes overly complex and adds unnecessary weight
Solution Approach 1:
The patent extracts and removes the unnecessary linkages and complex routing from the steering system. By using a straight steering column that extends directly from the handlebar assembly to the electronic steering assist unit, the invention eliminates articulated joints and lateral offset linkages, thereby reducing system complexity while maintaining the ability to accommodate other components through proper spatial arrangement
Solution Approach 2:
The patent merges the steering column with the electronic steering assist unit by positioning them to share a common axis of rotation along the snowmobile centerline. This integration eliminates the need for separate articulated segments or lateral offset mechanisms, simplifying the overall steering system while maintaining adaptability to the vehicle's component layout
2Adaptability or versatility
If articulated steering column or laterally offset steering column is used, then the steering system can accommodate other snowmobile components, but the weight of the snowmobile increases
Solution Approach 1:
The patent removes unnecessary linkages, joints, and offset mechanisms from the steering system. By implementing a straight steering column design, the invention extracts and eliminates the additional components that would increase weight, while still accommodating other snowmobile components through optimized spatial arrangement around the centerline
3Ease of operation
If additional linkages are added to return the steering system to center, then the steering system can operate properly, but the system becomes overly complex
Solution Approach 1:
The patent extracts and removes the additional return linkages from the steering system. By designing a straight steering column with a common axis of rotation, the invention eliminates the need for separate mechanisms to return the steering to center, as the direct mechanical connection naturally maintains proper operation throughout the steering range
Solution Approach 2:
The straight steering column serves multiple functions simultaneously: it transmits steering input, maintains center position, and accommodates the electronic steering assist unit. This multi-functionality eliminates the need for separate dedicated linkages for returning the steering to center, reducing overall system complexity
Data Source
AI summary
A steering system for a snowmobile includes a handlebar assembly and a steering column that has upper and lower ends. The upper end of the steering column is coupled to the handlebar assembly. The lower end of the steering column is coupled to an input shaft of an electronic steering assist unit. An output shaft of the electronic steering assist unit is coupled directly to a steering arm assembly. First and second tie rods respectively couple the steering arm assembly to first and second ski assemblies such that turning the handlebar assembly, together with the assistance of the electronic steering assist unit, causes the ski assemblies to pivot. The steering column and the electronic steering assist unit share a common axis of rotation that is positioned along a centerline of the snowmobile.