Dual-Clutch Transmission Layout for Hydrogen Tank Space and Wheelbase
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Solution Overview
Problem
Current dual-clutch transmission systems in vehicles with internal combustion engines face challenges in optimizing the positioning of components, leading to inefficiencies in space utilization and dynamic performance.
Innovation Solution
A car design featuring a dual-clutch transmission system with a unique arrangement of components, including a drum on the opposite side of the internal combustion engine, allows for optimal positioning of powertrain elements, minimizing wheelbase length and maximizing hydrogen storage capacity while maintaining high dynamic performance.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Device complexity
If the common drum is arranged on the same side of the internal combustion engine, then the transmission structure is simplified, but the space utilization and dynamic performance are compromised
Solution Approach 1:
The patent moves the common drum from a conventional same-side arrangement to an opposite-side arrangement relative to the internal combustion engine. This dimensional repositioning in the longitudinal axis allows the drum to be located in the rear portion of the vehicle, thereby freeing up front space for hydrogen tanks while maintaining transmission functionality.
Solution Approach 2:
Instead of placing the common drum on the same side as conventional designs, the patent inverts this arrangement by positioning it on the opposite side of the internal combustion engine. This inversion enables better spatial distribution of components, allowing hydrogen storage tanks to be positioned in the front while the drum occupies the rear space.
2Speed
If the wheelbase is shortened to improve dynamic performance, then the aerodynamic efficiency is improved, but the space for hydrogen storage is reduced
Solution Approach 1:
The patent utilizes the longitudinal dimension by positioning the common drum in the rear portion of the vehicle, opposite to the internal combustion engine. This allows the wheelbase to be optimized for dynamic performance while the drum's rearward position prevents interference with front-mounted hydrogen storage tanks, effectively using space in the longitudinal direction.
Solution Approach 2:
The patent segments the vehicle space into distinct functional zones: the front portion houses hydrogen storage tanks, the middle portion contains the internal combustion engine, and the rear portion accommodates the common drum. This segmentation allows each component to occupy optimal space without compromising overall vehicle performance or storage capacity.
3Volume of moving object
If the common drum is positioned in the rear portion opposite to the internal combustion engine, then space for hydrogen tanks is created, but the transmission component layout becomes more complex
Solution Approach 1:
The patent inverts the conventional arrangement by placing the common drum on the opposite side of the internal combustion engine, specifically in the rear portion. This inversion creates natural space separation that accommodates hydrogen tanks in the front while positioning the drum in the rear, reducing the need for complex intermediate linkages and simplifying the overall layout despite the unconventional positioning.
Data Source
AI summary
A car having: two front wheels; two rear drive wheels; an internal combustion engine which is provided with a plurality of cylinders within which respective pistons slide and a drive shaft connected to the pistons; a transmission which is interposed between the internal combustion engine and the rear drive wheels and a containing body which contains the transmission therein and has a tapered shape towards the rear so that the height of the containing body progressively reduces from the front to the rear.