Interchangeable Dishwasher Tubs and Door Panels for Flexible Assembly
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Solution Overview
Problem
Dishwasher manufacturers face increased costs due to separate components required for higher-end and lower-end appliances, with limited compatibility between designs, making it difficult to produce mid-range models efficiently.
Innovation Solution
A method for manufacturing dishwasher appliances using interchangeable tubs and door panels made of metal and plastic, allowing for the assembly of appliances with various combinations such as metal/metal, metal/plastic, or plastic/plastic configurations, enabling the production of lower-end, mid-range, and higher-end models from common components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If separate components are used for higher-end and lower-end dishwasher appliances, then each product line can be optimized for its specific market segment, but manufacturing costs increase due to the need to produce and inventory distinct components for each line
Solution Approach 1:
The patent applies universality by designing door panels and tubs with standardized mounting interfaces and attachment mechanisms that can be used across multiple product lines. The door panel includes a mounting bracket with attachment features that accommodate different tub types (stainless steel, plastic, double-wall), allowing the same door panel design to serve higher-end, lower-end, and mid-range appliance lines, thereby reducing component variety and manufacturing complexity
2Adaptability or versatility
If separate components are produced for each product line, then each appliance can be optimized for its specific market segment, but manufacturing complexity and inventory requirements increase
Solution Approach 1:
The patent reduces component variety by designing universal door panels and mounting brackets that can be used across higher-end, lower-end, and mid-range appliance lines. The mounting bracket includes attachment features that accommodate different tub materials and configurations, allowing a single bracket design to replace multiple specialized bracket designs, thereby simplifying the overall component structure
Data Source
AI summary
A method for manufacturing a dishwasher appliance is provided. A set of interchangeable tubs with a metal tub and a plastic tub and a set of interchangeable of inner door panels with a metal inner door panel and an outer door panel are provided. One of the set of interchangeable inner door panels is mounted to one of the set of interchangeable tubs to assemble the dishwasher appliance. The method can provide a dishwasher appliance with a metal inner door panel and a metal tub, a metal inner door panel and a plastic tub, a plastic inner door panel and a metal tub, or a plastic inner door panel and a plastic tub.