Vertical Hot Air Dryer with Ventilated Legs for Hands-Free Surface Drying

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Solution Overview

Problem

Current methods for drying horizontal surfaces are either expensive and require manual operation or lack effectiveness in providing a hands-free solution, making them inefficient for tasks like drying carpets, floors, and small painted objects.

Innovation Solution

A vertically oriented hot air dryer with a heating element, fan, and power source housed in a case with legs to elevate the device and create vent holes, allowing it to stand independently and dry surfaces without user intervention.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Extent of automation

If large and expensive equipment is used to provide a hands-off drying system, then the drying function is achieved without user intervention, but the cost and device complexity increase significantly

Engineering Contradiction:
Improvehands-free operationVSAvoidequipment size and cost
Core Design Contradiction:
Extent of automationVSDevice complexity

Solution Approach 1:

The device is segmented into distinct functional components: a heating element for thermal energy generation, a fan for air circulation, a vertically oriented case for structural support, and legs for elevation and ventilation. This segmentation allows each component to perform its specific function efficiently while keeping the overall device simple and cost-effective.

Inventive Principle:
Principle #1Segmentation

Solution Approach 2:

The device is designed to stand independently on its own without requiring user support or manual operation. The vertically oriented case with legs provides self-supporting capability, and the automated fan and heating element operate without continuous user intervention, achieving hands-free drying functionality.

Inventive Principle:
Principle #25Self-service

2Ease of operation

If a vertically oriented design with legs is used to create vent holes and enable independent standing, then hands-free operation is achieved, but the device structure becomes more complex

Engineering Contradiction:
Improvehands-free drying capabilityVSAvoidcase structure with legs
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The vertically oriented case with legs serves multiple functions simultaneously: it provides structural support for hands-free standing, creates vent holes for proper air circulation and heat distribution, and elevates the heating element and fan assembly. This multi-functionality reduces the need for additional components, keeping the device simple despite its enhanced capabilities.

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

3Productivity

If heat is directed downward onto horizontal surfaces, then effective drying of carpets, floors, and small objects is achieved, but there is a risk of overheating the surface

Engineering Contradiction:
Improvedrying effectivenessVSAvoidsurface overheating
Core Design Contradiction:
ProductivityVSObject-affected harmful factors

Solution Approach 1:

The legs create localized vent holes at specific positions beneath the case, allowing controlled air circulation in critical areas. This ensures that heat is distributed evenly across the drying surface rather than concentrating in one spot, preventing localized overheating while maintaining effective drying where needed.

Inventive Principle:
Principle #3Local quality

Solution Approach 2:

The fan continuously circulates air through the vent holes created by the legs, maintaining a constant flow of cool air across the heating element and onto the drying surface. This continuous air circulation prevents heat buildup and overheating while sustaining effective drying operation throughout the process.

Inventive Principle:
Principle #20Continuity of useful action

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

Enables cost-effective, hands-free drying of horizontal surfaces by efficiently directing heat and air to dry surfaces such as carpets, floors, and small objects, preventing overheating and ensuring effective evaporation of liquids.

Implementation Method 1

a heating element

Methodology Applied
Scientific EffectJoule heating: Joule Heating

Implementation Method 2

a fan oriented vertically to blow heat from the heating element downward

Methodology Applied
Scientific EffectForced convection: Forced Convection

Implementation Method 3

a plurality of legs designed to raise the vertically oriented case partially off the surface to be dried to create vent holes

Methodology Applied
Scientific EffectConvection: Convection

Implementation Method 4

efficiently directing heat and air to dry surfaces such as carpets, floors, and small objects, preventing overheating and ensuring effective evaporation of liquids

Methodology Applied
Scientific EffectEvaporation: Evaporation

Data Source

PatentUS11713923B2Horizontal surface dryer
Publication Date: 2023.08.01 BEKKER MARTHINUS JACOBUS
  • US11713923B2 patent drawing
  • US11713923B2 patent drawing
  • US11713923B2 patent drawing

AI summary

A hands-free device for drying wet surfaces that are essentially horizontal, having a heating element and a fan oriented vertically to blow heated air downward and is housed in a vertically oriented case containing a plurality of vents and legs that allow for the escape of gas, heat, or air.