Dishwasher with drain assembly
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Solution Overview
Problem
Users face difficulties when moving a dish rack in and out of a dishwasher due to interactions with the sprayer, leading to stuck items and inconvenient repositioning processes.
Innovation Solution
A dishwasher design featuring a structural element with a socket for a drain assembly that includes a drain line extending between an inlet and an outlet, allowing for improved movement and installation of the dish rack without interference from the sprayer.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of operation
If the dish rack is moved in and out of the dishwasher, then the loading and unloading process should be convenient, but the sprayer interacts with dishes or utensils causing the rack to get stuck
Solution Approach 1:
The sprayer assembly is extracted from its conventional fixed position and made movable, allowing it to be repositioned or removed to clear the path for dish rack movement. This separates the sprayer function from the structural framework, enabling independent adjustment to avoid interference with dishes during rack insertion or removal.
Solution Approach 2:
The sprayer assembly is transformed from a static component to a dynamic one that can change position. The sprayer is mounted on a movable structure that allows it to adjust its location, enabling the system to adapt between two states: positioned for spraying during operation and repositioned to clear the rack movement path during loading/unloading.
2Productivity
If dishes are positioned on the dish rack for cleaning, then the treating chamber should be fully utilized, but items can hit or become stuck by the sprayer
Solution Approach 1:
The sprayer assembly is made dynamically repositionable, allowing it to move between a working position for treating dishes and a clearance position that eliminates interference. This dynamic capability enables full utilization of the treating chamber volume while preventing harmful interactions between the sprayer and dishes during rack operations.
Solution Approach 2:
A movable mounting structure serves as an intermediary between the sprayer and the fixed dishwasher framework. This intermediary mechanism allows the sprayer to be positioned optimally for treating dishes while providing a means to relocate it when it would otherwise interfere with rack movement or dish placement.
3Ease of operation
If the sprayer is repositioned to avoid interfering with dish rack movement, then the rack can move smoothly, but the sprayer positioning becomes more complex
Solution Approach 1:
The sprayer positioning mechanism uses simple dynamic elements such as sliders, telescoping arms, or pivot points that allow repositioning through basic mechanical motion. These dynamic components provide the necessary flexibility for clearing the rack path while maintaining relatively simple construction compared to complex multi-component adjustment mechanisms.
Data Source
AI summary
A dishwasher for treating dishes according to a cycle of operation, the dishwasher comprising a chassis, a tub supported by the chassis and at least partially defining a treating chamber for receiving dishes, a structural element extending from the chassis along the tub and defining a socket; and a drain line extending between an inlet and an outlet and received in the socket.