Cyclone Dust Collector Grill Rotation for Self-Cleaning Airflow

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Solution Overview

Problem

Existing cyclone dust collectors in vacuum cleaners have complex structures that increase production costs and reduce usability, with foreign matter often sticking to the grill surfaces, affecting suction efficiency.

Innovation Solution

A cyclone dust collector with a simplified structure featuring a rotatable grill assembly, a dual fan system, and a dust removal flow path with holes in the case to prevent foreign matter from sticking, improving airflow and ease of cleaning.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If a traditional cyclone dust collector structure is used, then dust separation function is achieved, but the structure becomes complex and production costs increase

Engineering Contradiction:
Improveproduction costVSAvoidstructure complexity
Core Design Contradiction:
Ease of manufactureVSDevice complexity

Solution Approach 1:

The cyclone dust collector is divided into modular components: cyclone chamber, case with rotor, grill assembly, and dust collection chamber. Each module can be manufactured separately and assembled, simplifying production and reducing costs while maintaining functional integrity

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The case serves multiple functions: it houses the rotor, provides structural support, and incorporates holes for air intake. The grill assembly both filters dust and guides airflow. This multi-functionality reduces the number of separate components needed, simplifying the overall structure

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

2Ease of operation

If foreign matter accumulates on the grill surface, then suction efficiency decreases, but cleaning becomes difficult

Engineering Contradiction:
Improveease of cleaningVSAvoidsuction efficiency loss
Core Design Contradiction:
Ease of operationVSObject-generated harmful factors

Solution Approach 1:

The grill is designed to rotate together with the rotor, creating dynamic motion that prevents foreign matter from adhering to the grill surface. This rotational movement continuously clears the grill, maintaining suction efficiency and eliminating the need for manual cleaning

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The rotating grill assembly self-cleans through its own rotational motion during operation. The centrifugal force generated by rotation prevents dust accumulation, and the system automatically maintains its performance without external intervention

Inventive Principle:
Principle #25Self-service

3Productivity

If air flow is not properly managed, then dust separation efficiency decreases, but energy consumption increases

Engineering Contradiction:
Improvedust separation efficiencyVSAvoidenergy consumption
Core Design Contradiction:
ProductivityVSLoss of energy

Solution Approach 1:

The case incorporates holes at specific locations to introduce air into the rotor, creating localized airflow zones that enhance dust separation efficiency. The holes are strategically positioned to optimize the interaction between air flow and dust particles without requiring excessive energy

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The system utilizes pneumatic principles where air introduced through the holes in the case creates pressure differentials and flow patterns that enhance dust separation. The dual fan system generates controlled air flows that work together to improve separation efficiency while managing energy consumption

Inventive Principle:
Principle #29Pneumatics and hydraulics

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 reduces production costs, enhances usability, and maintains suction efficiency by preventing foreign matter from adhering to the grill, allowing for easier dust removal and improved cleaning performance.

Implementation Method 1

a cyclone chamber configured to whir air introduced from an inlet part to separate dust from the air

Methodology Applied
Scientific EffectCyclone separation: Cyclone Separation

Implementation Method 2

a cyclone chamber configured to whir air introduced from an inlet part to separate dust from the air

Methodology Applied
Scientific EffectCentrifugal force: Centrifugal Force

Implementation Method 3

a rotor including a first fan on which the grill is mounted and which is rotatably provided

Methodology Applied
Scientific EffectFan-induced air flow: Fan

Implementation Method 4

a second fan provided to generate an air flow in a direction opposite an air flow direction of the first fan

Methodology Applied
Scientific EffectCounter-directional air flow: Fan

Implementation Method 5

a dust removal flow path formed to discharge air introduced from the plurality of holes through the gap

Methodology Applied
Scientific EffectPressure-driven flow: Pressure Gradient

Data Source

PatentEP3528682B1Cyclone dust collector and vacuum cleaner having the same
Publication Date: 2022.06.08 SAMSUNG ELECTRONICS CO LTD
  • EP3528682B1 patent drawingFigure 1
  • EP3528682B1 patent drawingFigure 2
  • EP3528682B1 patent drawingFigure 3

AI summary

A vacuum cleaner is disclosed that includes a cyclone dust collector. The vacuum cleaner includes a cyclone chamber configured to whirl air introduced from an inlet part to separate dust from the air and including an outlet part provided to discharge the air from which dust is separated from the cyclone chamber. The vacuum cleaner also includes a grill rotatably provided at the outlet part. The vacuum cleaner also includes a rotor including a first fan and a second fan configured to generate an air flow in a direction opposite an air flow direction of the first fan. The vacuum cleaner further includes a case in which the rotor is rotatably accommodated with a gap provided between the grill and the case. The case includes a plurality of holes, and includes a dust removal flow path to discharge air introduced from the plurality of holes through the gap.