Modular Vehicle Platform Assembly With Integrated Cast Body Sections
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Solution Overview
Problem
Current vehicle manufacturing and assembly processes are labor-intensive, require numerous specific parts, and result in significant scrap material, necessitating a more efficient method for part interchangeability and reduced complexity.
Innovation Solution
The development of modular motor vehicle platforms using high-strength cast materials, such as aluminum, which allows for the creation of universal parts that can be shared across various vehicle types, reducing the number of components and simplifying assembly by using cast body panels that are structurally integral and designed for multiple vehicle segments.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If traditional assembly line methods are used with multiple specific parts, then vehicle assembly can be standardized, but the number of parts increases and labor intensity increases
Solution Approach 1:
The patent combines multiple separate vehicle body parts into single integrated cast components. Specifically, the bulkhead integrates the firewall, instrument panel support, and steering column support into one piece. The cowl integrates the windshield frame, hood support, and radiator support into another integrated piece. This merging reduces the total number of parts while maintaining assembly standardization through modular casting designs that can be systematically assembled.
Solution Approach 2:
The integrated cast components are designed to serve multiple functions simultaneously. The bulkhead provides structural support, noise isolation, and mounting surfaces for multiple vehicle systems. The cowl provides windshield support, hood latch integration, and radiator mounting. This multi-functionality reduces the need for separate specialized parts while maintaining ease of manufacture through standardized casting and assembly processes.
2Strength
If traditional welding and assembly processes are used, then structural connections can be made, but labor intensity increases and production time increases
Solution Approach 1:
The patent employs preliminary action by pre-integrating multiple functions and structural connections into single cast components during the manufacturing process. The bulkhead and cowl are cast with built-in mounting surfaces, reinforcement ribs, and integration features that would otherwise require multiple separate welding and assembly operations. This preliminary integration of structural connections accelerates final assembly while maintaining strength.
Solution Approach 2:
The patent substitutes traditional mechanical welding and fastening processes with integral casting technology. Instead of welding separate metal pieces together or using multiple fasteners, the design uses single-piece cast aluminum components with built-in structural features. This substitution eliminates labor-intensive welding operations while maintaining or improving structural connection strength through the inherent properties of cast metal.
3Adaptability or versatility
If multiple vehicle-type specific parts are maintained, then each vehicle model can be customized, but inventory costs increase and scrap material increases
Solution Approach 1:
The patent applies segmentation by dividing the vehicle into modular sections that can be independently configured. The body is segmented into standardized integrated components (bulkhead, cowl, door rings, floor pans) that serve as universal building blocks. These modular segments can be recombined in different configurations for various vehicle types, reducing the need for model-specific parts while maintaining customization capability.
Solution Approach 2:
The integrated cast components are designed as universal parts that can be used across multiple vehicle types and models. The bulkhead, cowl, and other major components are standardized designs that can accommodate different vehicle configurations through optional attachments or minor variations. This universality reduces inventory requirements and minimizes scrap material by allowing parts to be reused across different vehicle programs.
Data Source
AI summary
A modular vehicle assembly platform is disclosed. In some embodiments, the platform may comprise a cast bulkhead, a cast cowl, one or more cast front strut towers, a front subframe, a cross-car beam, one or more door rings, a structural central floor comprising a battery, a cast structural rear floor, a cast upper rear section (or d-ring), and a rear motor cradle. The platform may allow for the use of common parts and structure across different vehicle types.