Electric Snowmobile Battery Frame Layout for Adjustable Weight Distribution
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Solution Overview
Problem
Existing electric snowmobiles lack efficient and innovative designs for their powertrains and structural frames, which can affect performance, stability, and weight distribution.
Innovation Solution
The design of an electric snowmobile featuring an endless track with an electric powertrain, a structural frame that includes a tunnel and overstructure, and a battery assembly that can be moved longitudinally within the tunnel to adjust the center of mass.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the battery assembly is fixed in position within the structural frame, then the structural rigidity is improved, but the weight distribution and center of mass cannot be adjusted
Solution Approach 1:
The battery assembly is designed to be movable along the longitudinal axis within the structural frame, allowing dynamic adjustment of its position. This enables the center of mass to be optimized for different operating conditions while the battery remains constrained within the frame structure, maintaining overall structural rigidity.
2Device complexity
If the electric powertrain components are integrated into the structural frame, then the device complexity is reduced, but the ease of manufacture and assembly may be affected
Solution Approach 1:
The structural frame is divided into modular sections (front portion, middle portion, rear portion with tunnel) that can be manufactured separately and then assembled. The battery assembly and electric powertrain components are integrated as separate modules within these frame sections, allowing for easier manufacturing and assembly while maintaining structural integration.
3Stability of the object's composition
If the endless track is positioned centrally along the vertical centerline, then the stability is improved, but the weight distribution flexibility is reduced
Solution Approach 1:
The battery assembly can be positioned at different longitudinal locations within the structural frame, including forward or rearward of the endless track's centerline position. This dynamic positioning capability allows optimization of weight distribution for different terrain conditions while the endless track remains centrally positioned for lateral stability.
Data Source
AI summary
A snowmobile may have an electric powertrain. The electric powertrain may include one or more electric motors to power movement of one or more endless tracks. The electric powertrain may include a plurality of battery assemblies. At least one of the plurality of battery assemblies may be part of a structural frame of the snowmobile. At least one of the plurality of battery assemblies may be supported by a tunnel of the snowmobile.