Handheld Vacuum Handle Air Conduit for Low-Resistance Filtration

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Solution Overview

Problem

Handheld vacuum cleaners often face challenges in efficiently collecting debris and maintaining airflow due to limitations in debris removal mechanisms and air path design, leading to reduced cleaning effectiveness and user comfort during operation.

Innovation Solution

A handheld vacuum cleaner design featuring a non-cyclonic debris removal assembly with a curved air deflector and filter system, integrated into a handle that forms an air conduit, enhancing airflow and debris collection while improving ergonomic handling.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Productivity

If a traditional debris removal assembly is used, then debris collection is achieved, but airflow resistance increases and cleaning effectiveness decreases

Engineering Contradiction:
Improvecleaning effectivenessVSAvoidairflow resistance
Core Design Contradiction:
ProductivityVSLoss of energy

Solution Approach 1:

The air path is segmented into multiple sections including an air inlet, working air path, air outlet, and handle air conduit. This segmentation allows optimized airflow through each section, reducing overall resistance while maintaining effective debris collection in the debris removal assembly.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The handle is designed as a hollow air conduit that provides an additional dimensional pathway for airflow. This three-dimensional air path configuration allows air to flow through the handle structure itself, reducing resistance without compromising debris removal effectiveness.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

2Volume of moving object

If a compact handheld design is used, then portability is improved, but user comfort deteriorates due to downward forces and torque

Engineering Contradiction:
Improvevacuum cleaner sizeVSAvoiduser comfort
Core Design Contradiction:
Volume of moving objectVSEase of operation

Solution Approach 1:

The air path extends into the third dimension by flowing through the hollow handle conduit. This spatial configuration redistributes forces along the handle length, reducing torque and downward forces on the user's hand while maintaining a compact overall design.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

Solution Approach 2:

The hollow handle acts as an intermediary structure that serves dual purposes: as a user grip and as an air conduit. This intermediary design allows the air path to pass through the handle, reducing mechanical stresses on the user's hand during operation.

Inventive Principle:
Principle #24Intermediary (Mediator)

3Productivity

If the handle is made hollow to form an air conduit, then airflow efficiency is improved, but structural complexity increases

Engineering Contradiction:
Improveairflow efficiencyVSAvoidhandle structure
Core Design Contradiction:
ProductivityVSDevice complexity

Solution Approach 1:

The handle is designed to perform multiple functions simultaneously: it serves as both the user's grip and as an air conduit for the working air path. This multi-functionality eliminates the need for separate air ducting components, reducing overall device complexity while improving airflow efficiency.

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

Solution Approach 2:

The handle structure merges the mechanical function (user grip) with the pneumatic function (air conduit). By combining these two functions into a single hollow structure, the design reduces the number of separate components and simplifies the overall device architecture.

Inventive Principle:
Principle #5Merging (Combining)

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 effectively filters debris from the airstream, reduces airflow resistance, and enhances user comfort by minimizing downward forces and torque, making the vacuum cleaner easier to maneuver and more effective at cleaning surfaces.

Implementation Method 1

a motor/fan assembly upstream of the air outlet and in fluid communication with the air inlet for generating a working airstream

Methodology Applied
Scientific EffectPressure differential: Pressure Gradient

Implementation Method 2

a non-cyclonic debris removal assembly with a curved air deflector and filter system, effectively filters debris from the airstream

Methodology Applied
Scientific EffectFiltration: Filter (physical)

Data Source

PatentUS10064530B2Handheld vacuum cleaner
Publication Date: 2018.09.04 BISSELL INC
  • US10064530B2 patent drawing
  • US10064530B2 patent drawing
  • US10064530B2 patent drawing

AI summary

A handheld vacuum cleaner is provided with a hand-carriable body housing the components of a vacuum collection system. The vacuum collection system can include a working air path through the body, and includes a portion which passes through a handle of the hand-carriable body that is adapted to be gripped by a user during operation of the vacuum cleaner.