Washing Machine Motor Mount Structure for Interchangeable Stators
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Solution Overview
Problem
Existing washing machine motors lack interchangeability and sufficient strength, leading to increased costs and potential performance deterioration due to design and material limitations.
Innovation Solution
A motor design for washing machines featuring a stator with a stator core, insulators, and mounts that allow for easy interchangeability and enhanced structural strength, combined with a rotor frame and injection molded parts for reinforcement, enabling stable operation and reduced production costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If the motor uses a fixed design with integrated mounts, then the structure is simpler, but interchangeability of constituent elements is poor and redesign costs increase
Solution Approach 1:
The motor is divided into separable constituent elements including the stator, rotor, and mounting brackets. The mounting brackets are designed as separate interchangeable components that can be selectively attached to different stators, allowing independent replacement and adaptation of motor parts without redesigning the entire assembly.
Solution Approach 2:
The mounting brackets are designed with universal compatibility to work with multiple stator types and configurations. The brackets include standardized coupling features that enable them to serve as universal interface components, allowing the same bracket design to accommodate various motor configurations and applications.
2Strength
If the motor uses standard materials and design, then production costs are lower, but sufficient strength may not be achieved
Solution Approach 1:
The motor employs composite construction combining metal components (stator core, rotor) with reinforced polymer materials for the mounting brackets and insulators. This composite approach provides enhanced strength and durability while maintaining cost-effectiveness through the use of appropriately selected materials for each functional requirement.
Solution Approach 2:
The mounting brackets incorporate localized reinforcement features including thickened sections, rib structures, and strategic material distribution. These local quality enhancements provide sufficient strength at critical stress points while avoiding unnecessary material usage throughout the entire component, thereby maintaining cost-effectiveness.
3Power
If the motor design is optimized for performance, then power transmission efficiency improves, but structural strength may be compromised
Solution Approach 1:
The motor design applies local quality optimization by concentrating performance-enhancing features in specific areas. The stator and rotor incorporate optimized magnetic circuit designs and winding configurations for efficient power transmission, while the mounting brackets and housing provide robust structural support. This localized optimization allows performance and strength requirements to be met in their respective functional zones without compromise.
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 solution provides a motor with improved interchangeability and strength, reducing redesign costs and preventing performance deterioration, while ensuring stable operation and efficient power transmission to the drum.
Implementation Method 1
a rotor arranged around the stator to electromagnetically interact with the stator
Data Source
AI summary
Disclosed herein are a motor usable with a washing machine to assure interchangeability of constituent elements thereof and a washing machine having the same. The motor includes a stator mounted to a tub of the washing machine, and a rotor to rotate a drum of the washing machine. The stator includes a stator core, first and second insulators arranged to cover the stator core, and a plurality of mounts to couple the stator to the tub. The plurality of mounts is selectively provided at one of the first insulator and the second insulator.