Washing Machine Motor Mounting Structure for Interchangeable Parts

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 featuring a stator with a stator core, insulators, and mounts that allow for easy assembly and interchangeability, combined with a rotor frame reinforced by injection molding and magnetic structures for enhanced strength and electromagnetic interaction.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If motor components are designed with fixed configurations and materials, then manufacturing costs increase and interchangeability is reduced, but structural strength and performance reliability improve

Engineering Contradiction:

Improveinterchangeability of motor componentsVSAvoidstructural strength of motor components

Core Design Contradiction:

Adaptability or versatilityVSStrength

Solution Approach 1:

The motor is divided into modular components including the stator assembly, rotor assembly, and mounting bracket, each designed as independent replaceable units. The stator includes a stator core, insulators, and coil assembly that can be separated and replaced individually, enabling interchangeability while maintaining overall structural integrity through standardized connection interfaces.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The mounting bracket is designed with multiple mounting holes and reinforcement ribs that provide universal mounting capability across different motor configurations. The bracket serves multiple functions including structural support, motor fixation to the washing machine tub, and reinforcement of the overall assembly, allowing the same component to maintain strength while enabling interchangeability of motor units.

Inventive Principle:

Principle #6Universality (Multi-functionality)

2Ease of manufacture

If motor components are designed for easy assembly and interchangeability, then manufacturing and maintenance costs decrease, but structural strength may be compromised

Engineering Contradiction:

Improveease of assembly and interchangeabilityVSAvoidstructural strength of motor components

Core Design Contradiction:

Ease of manufactureVSStrength

Solution Approach 1:

The motor is divided into modular components including the stator assembly, rotor assembly, and mounting bracket, each designed as independent replaceable units. The stator includes a stator core, insulators, and coil assembly that can be separated and replaced individually, enabling interchangeability while maintaining overall structural integrity through standardized connection interfaces.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The mounting bracket integrates multiple functions including structural support, motor fixation to the washing machine tub, and reinforcement of the overall assembly. By combining these functions into a single integrated component with multiple mounting holes and reinforcement ribs, the design achieves easy assembly and interchangeability without compromising structural strength.

Inventive Principle:

Principle #5Merging (Combining)

3Ease of manufacture

If motor components use standardized designs for cost-effectiveness, then material costs and redesign needs are reduced, but performance may deteriorate due to design limitations

Engineering Contradiction:

Improvecost-effectiveness of motor componentsVSAvoidperformance reliability of motor

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The stator core uses localized insulation structures with insulators positioned at specific locations where electrical isolation is critical. The coil assembly employs localized winding patterns and anchoring methods that optimize electromagnetic performance while using standardized insulation materials. This approach maintains cost-effectiveness through standardized materials while preserving performance reliability through locally optimized designs.

Inventive Principle:

Principle #3Local quality

Solution Approach 2:

The mounting bracket is designed with multiple mounting holes and reinforcement ribs that provide universal mounting capability across different motor configurations. The bracket serves multiple functions including structural support, motor fixation to the washing machine tub, and reinforcement of the overall assembly, allowing the same component to maintain strength while enabling interchangeability of motor units.

Inventive Principle:

Principle #6Universality (Multi-functionality)

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 enables cost-effective interchangeability of motor components and maintains performance by providing sufficient structural strength, reducing the need for redesign and material costs while preventing deformation and performance deterioration.

Implementation Method 1

a rotor arranged around the stator to electromagnetically interact with the stator

Methodology Applied

Scientific EffectElectromagnetic interaction: Electromagnetic Induction

Data Source

PatentUS8978425B2Motor usable with washing machine and washing machine having the same

Publication Date: 2015.03.17 SAMSUNG ELECTRONICS CO LTD

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.