Passive Wind Deflector with Break-Away Mount for Drive-Thru Windows

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Solution Overview

Problem

Wind deflection technologies, such as air curtains, are ineffective in maintaining food temperature and employee satisfaction at drive-thru windows, causing food safety issues, patron dissatisfaction, and increased operational costs, while also being energy-intensive and prone to causing debris and dust issues during transactions.

Innovation Solution

A wind deflector comprising a shield assembly connected to a mount assembly with a hinge that statically holds the shield at a desired angle, allowing it to break away upon vehicle contact, deflecting wind without energy consumption and minimizing damage, while maintaining food temperature and reducing debris exposure.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Object-affected harmful factors

If air curtains are used to deflect wind, then wind protection is provided, but energy consumption increases and device complexity increases

Engineering Contradiction:
Improvewind protectionVSAvoidenergy consumption
Core Design Contradiction:
Object-affected harmful factorsVSUse of energy by moving object

Solution Approach 1:

The patent removes the active energy-consuming components (blower fans, motors, control systems) from the wind deflection system. Instead of using powered air curtains, the invention employs a passive mechanical shield that utilizes natural wind forces and gravitational potential energy to deflect wind, thereby eliminating continuous energy consumption while maintaining wind protection functionality

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The shield assembly is designed with dynamic characteristics - it can be positioned at different angles (raised, lowered, intermediate positions) and allows natural wind to move it slightly during operation. This dynamic design enables the passive structure to adapt to varying wind conditions without requiring active control systems or energy input, resolving the contradiction between wind protection and energy consumption

Inventive Principle:
Principle #15Dynamics

2Object-affected harmful factors

If air curtains are used to deflect wind, then wind protection is provided, but device complexity and installation cost increase

Engineering Contradiction:
Improvewind protectionVSAvoiddevice complexity
Core Design Contradiction:
Object-affected harmful factorsVSDevice complexity

Solution Approach 1:

The patent extracts and eliminates the complex electronic and mechanical components of air curtains (motors, sensors, control circuits, power supplies). The remaining passive shield structure requires minimal components - primarily a shield assembly mounted on simple hinges or slides - dramatically reducing device complexity while preserving the essential wind deflection function

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The shield assembly is divided into separable components (shield panel, mounting brackets, hinge mechanisms) that can be independently manufactured and assembled. This segmentation simplifies the overall device complexity by allowing each component to be optimized separately and facilitates easier installation and maintenance without requiring complex integration

Inventive Principle:
Principle #1Segmentation

3Object-affected harmful factors

If rigid wind deflectors are used, then wind deflection effectiveness is improved, but damage to vehicles occurs upon contact

Engineering Contradiction:
Improvewind deflection effectivenessVSAvoidvehicle damage risk
Core Design Contradiction:
Object-affected harmful factorsVSStrength

Solution Approach 1:

The shield assembly incorporates dynamic positioning capabilities through hinges or sliding mechanisms that allow the shield to move when contacted by a vehicle. This dynamic feature transforms a potentially dangerous rigid barrier into a safe, movable element that can yield to vehicle contact while still providing effective wind deflection during normal operation

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The patent designs the shield mounting system with built-in compliance features - such as spring-loaded hinges, friction-based dampers, or controlled friction sliders - that provide cushioning before actual vehicle contact occurs. These pre-designed compliance mechanisms absorb impact energy and prevent damage to both the shield and the vehicle

Inventive Principle:
Principle #11Beforehand cushioning (Prior cushioning)

4Ease of manufacture

If fixed angle shields are used, then manufacturing simplicity is improved, but adaptability to different wind conditions deteriorates

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidadaptability to wind conditions
Core Design Contradiction:
Ease of manufactureVSAdaptability or versatility

Solution Approach 1:

The shield assembly employs simple mechanical mechanisms (hinges, sliders, spring-loaded arms) that enable the shield to assume different angular positions based on wind conditions. These dynamic adjustments are achieved through passive mechanical means rather than complex active control systems, maintaining manufacturing simplicity while significantly improving adaptability to varying wind environments

Inventive Principle:
Principle #15Dynamics

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 wind deflector effectively maintains food temperature, increases patron and employee satisfaction, reduces operational costs, and prevents damage to vehicles, enhancing the overall customer experience and return on investment without requiring energy or complex installation.

Implementation Method 1

a wind deflector that provides lift to naturally occurring wind so that the wind is deflected away from where the wind deflector is connected

Methodology Applied
Scientific EffectWind deflection: Wind

Implementation Method 2

The mount assembly is configured to have a bias that statically holds the shield assembly at a desired angle of deflection

Methodology Applied
Scientific EffectMechanical bias: Spring

Implementation Method 3

The break away feature of the wind deflector prevents harm to a vehicle should contact be made between a vehicle and the wind deflector

Methodology Applied
Scientific EffectImpact force absorption: Impact Force

Data Source

PatentUS12150565B2Wind deflector
Publication Date: 2024.11.26 GRIMM DAVID
  • US12150565B2 patent drawing
  • US12150565B2 patent drawing
  • US12150565B2 patent drawing

AI summary

The disclosure provided herein is directed to a wind deflector that provides a lift and subsequent deflection of naturally occurring wind. The wind deflector has a shield assembly that is connected to a mount assembly. The mount assembly is configured to be biased to a closed position that holds the shield assembly at a desired angle of deflection and to break away when physical force is applied against the bias of the mount assembly.