Single-Point Pump Suspension for Dishwasher Vibration Damping

Resolve Bottlenecks,
Find Innovative Solutions
Generate Solutions

Solution Overview

Problem

Existing water-bearing domestic appliances, such as dishwashers, face high costs and increased fitting complexity due to the need for multiple suspension elements to absorb the weight and vibrations of circulation pumps, leading to inefficient noise reduction.

Innovation Solution

A suspension apparatus is designed with a single point of attachment at the center of gravity of the appliance component, featuring elastic segments and a base body with strategically placed openings and plug-in pins to absorb and dampen vibrations, reducing mechanical load and noise while allowing for compact and cost-effective installation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If multiple suspension elements are used to absorb weight and vibrations, then the circulation pump can be securely mounted, but costs and fitting complexity increase

Engineering Contradiction:
Improvesecure mountingVSAvoidfitting complexity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines multiple suspension elements into a single integrated base body structure. The base body incorporates multiple openings that function as suspension points, eliminating the need for separate suspension components. This merging reduces the number of parts from multiple suspension elements to a single base body with integrated suspension functionality, thereby reducing fitting complexity while maintaining secure mounting.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The base body serves multiple functions simultaneously: it provides structural support, creates suspension points through its openings, and absorbs vibrations. The single base body structure replaces what would traditionally require multiple specialized components, making the device more universal and reducing overall system complexity.

Inventive Principle:
Principle #6Universality (Multi-functionality)

2Reliability

If multiple suspension elements are used to absorb weight and vibrations, then the circulation pump can be securely mounted, but production costs increase

Engineering Contradiction:
Improvesecure mountingVSAvoidproduction cost
Core Design Contradiction:
ReliabilityVSEase of manufacture

Solution Approach 1:

By merging multiple suspension elements into a single base body, the patent reduces the total number of components that need to be manufactured, stored, and assembled. This consolidation reduces production costs through economies of scale and eliminates the need for separate manufacturing processes for multiple suspension parts.

Inventive Principle:
Principle #5Merging (Combining)

Solution Approach 2:

The multi-functional base body reduces production costs by eliminating the need to produce multiple specialized suspension components. A single base body design serves all suspension needs, reducing material costs, manufacturing complexity, and inventory requirements.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Ease of operation

If suspension points are distributed away from center of gravity, then mounting is simplified, but mechanical load increases

Engineering Contradiction:
Improvemounting simplicityVSAvoidmechanical load
Core Design Contradiction:
Ease of operationVSForce

Solution Approach 1:

The patent applies local quality by strategically positioning the openings (suspension points) at specific locations relative to the center of gravity. The base body design creates openings at optimal positions that balance mounting simplicity with mechanical load distribution, ensuring that each local region of the base body serves its specific functional requirement.

Inventive Principle:
Principle #3Local quality

4Strength

If the base body is made more rigid to protect openings and pins, then structural stability improves, but vibration damping capability decreases

Engineering Contradiction:
Improvestructural stabilityVSAvoidvibration transfer
Core Design Contradiction:
StrengthVSObject-generated harmful factors

Solution Approach 1:

The base body design applies local quality by creating regions of different rigidity: the regions around the openings are reinforced for structural stability, while the central region between openings remains more flexible for vibration damping. This spatial variation in mechanical properties allows the single base body to simultaneously provide both structural support and vibration absorption.

Inventive Principle:
Principle #3Local quality

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

This solution effectively reduces noise and vibration transfer, lowers production and fitting costs, and extends the service life of the suspension apparatus by distributing mechanical tensions homogeneously and preventing material stress.

Implementation Method 1

the suspension apparatus to feature at least one elastic segment. This allows oscillations and vibration to be damped or completely absorbed

Methodology Applied
Scientific EffectElasticity: Elasticity

Implementation Method 2

The constriction makes the base body more flexible in the region of the constriction, in order to be able to damp and/or adsorb oscillations and vibrations

Methodology Applied
Scientific EffectVibration damping: Damping

Data Source

PatentUS9004080B2Water-bearing domestic appliance including a suspension apparatus with attachment means formed by openings through the base body
Publication Date: 2015.04.14 BSH HAUSGERATE GMBH
  • US9004080B2 patent drawing
  • US9004080B2 patent drawing
  • US9004080B2 patent drawing

AI summary

A water-bearing domestic appliance is provided which has an appliance element and an appliance component that is attached to the appliance element at a suspension point. The suspension point is disposed in a region of the center of gravity of the appliance component.