Spray Nozzle Assembly for Uniform Soaking in Top-Load Washers
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Solution Overview
Problem
Conventional top load type washing machines suffer from uneven fabric soaking due to the placement of water and detergent supply units, leading to deteriorated washing and rinsing performances.
Innovation Solution
A fabric treating machine equipped with a spray nozzle system that adjusts its spray direction and angle to ensure even water distribution across the inner tub, including a spray nozzle combining unit that secures the nozzle to the case, allowing water to reach the bottom and sidewalls of the tub, preventing overflow, and ensuring effective soaking.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Ease of manufacture
If water and detergent supply units are disposed at one side of the top of the cabinet, then the structure is simple and easy to manufacture, but fabric soaking becomes uneven and washing performance deteriorates
Solution Approach 1:
The water supply system is segmented into multiple spray nozzles positioned at different locations (front, rear, left, right sides) of the inner tub. Each nozzle independently supplies water to different regions, ensuring uniform fabric soaking while maintaining structural simplicity through modular nozzle assembly
Solution Approach 2:
The water supply approach transitions from a single-point top-down supply to multi-point lateral spraying from all four sides of the inner tub. This dimensional change in water distribution geometry enables uniform fabric soaking without complicating the overall cabinet structure
2Device complexity
If water is supplied only to a lower part of one side of the inner tub, then the water supply structure is simple, but fabric soaking becomes uneven and washing performance deteriorates
Solution Approach 1:
The water supply function is segmented across four independent spray nozzles positioned at front, rear, left, and right sides of the inner tub. This segmentation distributes water uniformly to all fabric regions while keeping each individual nozzle simple in structure
Solution Approach 2:
The spray nozzle assembly serves multiple functions: it distributes water uniformly across all sides of the inner tub, adjusts spray angles adaptively, and maintains simple structural design. This multi-functionality resolves the contradiction between structural simplicity and soaking uniformity
3Manufacturing precision
If the spray nozzle is added to improve water distribution, then fabric soaking uniformity improves, but device complexity increases
Solution Approach 1:
The spray nozzle is merged with the existing water supply unit, integrating the spraying function into the current water delivery system. This combination improves fabric soaking uniformity without adding separate independent components, thus limiting the increase in device complexity
Solution Approach 2:
The spray nozzle assembly is designed to perform multiple functions: water distribution, spray angle adjustment, and adaptive positioning. By consolidating these functions into a single multi-functional component rather than adding separate mechanisms for each function, the overall device complexity increase is minimized
Applied Scientific Principles
This section explains which scientific principles are used to turn an abstract innovation direction into a practical engineering solution.
Function Achieved in This Case
The system enhances washing and rinsing performance by ensuring even fabric soaking, improving reliability and stability, and preventing water overflow, regardless of load conditions.
Implementation Method 1
a spray nozzle for spraying the water supplied from the water supply unit into the inner tube
Data Source
AI summary
A fabric treating machine includes a spray nozzle for spraying water supplied from a water supply passage into an inner tub and a spray nozzle combining unit for combining the spray nozzle with a case. Fabric loaded in the inner tub can be effectively soaked through the spray nozzle. Furthermore, a spray direction of the spray nozzle can be accurately adjusted when the spray nozzle is fitted in the case, and thus the spray nozzle can be easily fitted in the case and water sprayed through the spray nozzle can be prevented from overflowing.