Vacuum cleaner having cyclonic separator

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Solution Overview

Problem

Cyclonic vacuum cleaners face inefficiencies in debris separation and collection, particularly in designs where the cyclonic separator is not easily removable for cleaning and maintenance, leading to reduced airflow quality and clogging issues.

Innovation Solution

A vacuum cleaner design featuring a cyclonic debris separator with a removable portion for easy maintenance, including a cylindrical wall, dirty air inlet, clean air outlet, and a debris collection chamber, where the cyclonic separator is integrated within a housing with a lid and a door for emptying the debris collection chamber, ensuring effective debris separation and airflow filtration.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the cyclonic separator is integrated permanently into the housing, then the structural integrity and sealing are improved, but the ease of maintenance and cleaning deteriorates

Engineering Contradiction:

Improvestructural integrityVSAvoidease of maintenance

Core Design Contradiction:

ReliabilityVSEase of repair

Solution Approach 1:

The cyclonic separator is divided into a removable portion and a fixed portion. The removable portion can be detached from the housing through the lower end opening, allowing easy access for cleaning accumulated debris while the fixed portion remains integrated to maintain structural integrity and sealing when assembled.

Inventive Principle:

Principle #1Segmentation

2Ease of repair

If the cyclonic separator is made fully removable, then the ease of maintenance is improved, but the structural integrity and sealing deteriorates

Engineering Contradiction:

Improveease of maintenanceVSAvoidstructural integrity

Core Design Contradiction:

Ease of repairVSReliability

Solution Approach 1:

Inventive Principle:

Principle #1Segmentation

3Ease of operation

If the debris collection chamber is made accessible for cleaning, then the ease of operation is improved, but the device complexity increases

Engineering Contradiction:

Improveease of cleaningVSAvoiddevice complexity

Core Design Contradiction:

Ease of operationVSDevice complexity

Solution Approach 1:

The cyclonic separator is segmented into removable and fixed portions, allowing the removable portion to be accessed through the lower end opening for cleaning while maintaining a relatively simple overall structure without requiring additional access points or complex disassembly mechanisms.

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The removable portion of the cyclonic separator is extracted as a separate component that can be removed through the lower end opening, enabling direct access to the debris collection chamber for cleaning without disassembling the entire vacuum cleaner or adding complex access mechanisms.

Inventive Principle:

Principle #2Taking out (Extraction)

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 enhances debris separation efficiency, maintains airflow quality, and simplifies maintenance by allowing easy removal and cleaning of accumulated debris, improving overall vacuum performance and user convenience.

Implementation Method 1

a cyclonic separator including a cylindrical wall having a first end and a second end, the cyclonic separator further including a dirty air inlet, a clean air outlet, an end wall at the first end of the cylindrical wall, and a debris outlet adjacent the second end of the cylindrical wall

Methodology Applied

Scientific EffectCyclonic separation: Cyclone Separation

Implementation Method 2

cyclonic separator operable to separate debris from the airflow

Methodology Applied

Scientific EffectCentrifugal force: Centrifugal Force

Data Source

PatentUS9775483B2Vacuum cleaner having cyclonic separator

Publication Date: 2017.10.03 TECHTRONIC IND CO LTD

AI summary

A vacuum cleaner including a debris separator having a cyclonic separator including a cylindrical wall having a first end and a second end, the cylindrical wall located in within the housing, the cyclonic separator further including a dirty air inlet, a clean air outlet, an end wall at the first end of the cylindrical wall, and a debris outlet adjacent the second end of the cylindrical wall. The debris separator further includes a lid coupled to an upper end of the housing, a debris collection chamber located within the housing and in fluid communication with the debris outlet of the cyclonic separator, and a door coupled to a lower end of the housing to empty the debris collection chamber through the lower end of the housing. A portion of the cyclonic separator is removable from the housing through the lower end of the housing.