Washer Rotator Blade Structure for Low-Tangle Water Flow
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Solution Overview
Problem
Existing laundry treating apparatuses face challenges in improving washing efficiency while minimizing the load on the rotator, reducing power consumption, and preventing laundry tangling during rotation.
Innovation Solution
A rotator design with a bottom portion having a whale tail shape and a pillar with blades spaced at 120 degrees, forming a dynamic water flow by guiding water and laundry to the upper or lower portion, reducing resistance and tangling, and optimizing the number of blade turns to enhance washing efficiency and reduce motor load.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If the rotator rotates at high speed to improve washing efficiency, then washing performance is improved, but power consumption increases and motor load increases
Solution Approach 1:
The bottom portion is designed with a whale tail shape featuring curved surfaces that guide water flow smoothly. This curved geometry reduces turbulence and resistance compared to straight-edged designs, allowing effective water circulation at lower rotation speeds, thereby reducing power consumption while maintaining washing efficiency.
Solution Approach 2:
The invention optimizes the geometric parameters of the bottom portion and pillar, including the whale tail curvature radius, pillar height, and blade angles. By carefully selecting these parameters, the system achieves effective water flow generation with minimal rotational energy input, resolving the contradiction between washing efficiency and power consumption.
2Productivity
If the rotator rotates to form water flow for washing, then washing efficiency is improved, but laundry tangling occurs
Solution Approach 1:
The bottom portion is segmented into multiple functional zones: the whale tail shape at the periphery for water circulation, and the central pillar with blades for vertical water flow. This segmentation creates coordinated water flow patterns that move laundry through different zones, preventing accumulation and tangling while maintaining washing effectiveness.
Solution Approach 2:
The curved whale tail shape guides water and laundry along smooth arcs rather than sharp angles, reducing points where laundry could catch and tangle. The continuous curved surface facilitates smooth transitions of laundry items through the washing zone without abrupt changes in direction that cause tangling.
3Productivity
If the pillar with blades is added to form water flow, then washing efficiency is improved, but resistance to rotation increases
Solution Approach 1:
The blades on the pillar are designed with specific local characteristics: optimized angle, length, and spacing. The blade angle is configured to efficiently deflect water vertically without creating excessive horizontal resistance. This localized optimization allows effective water flow generation with minimal rotational resistance.
Solution Approach 2:
The invention optimizes critical parameters including blade angle, blade length, number of blades, and spacing between blades. By adjusting these parameters, the system achieves the minimum necessary resistance to generate effective water flow for washing, balancing washing efficiency with motor load requirements.
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 design effectively improves washing performance, reduces power consumption, and minimizes laundry tangling, achieving efficient washing with reduced motor load and improved water flow dynamics.
Implementation Method 1
a protrusion of the bottom portion may be constructed to have a shape of a whale tail and reduce resistance to wash water when rotating
Implementation Method 2
The protrusion of the bottom portion and the blade of the pillar may together form water flows at an upper portion and a lower portion of an interior of the drum together, thereby forming a differentiated water flow inside the drum
Data Source
AI summary
A laundry treating apparatus includes a tub, a drum, and a rotator, the rotator includes a bottom portion positioned on a bottom surface, a pillar protruding from the bottom portion toward an open surface, and a blade disposed on an outer circumferential surface of the pillar, wherein one end of the blade faces toward the bottom portion, and the other end of the blade faces toward the open surface, and the blade includes a plurality of divided blades separated and spaced apart from each other between said one end and the other end.