Magnetic Ear Shield Time Trial Helmet
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Solution Overview
Problem
Conventional time trial bicycle helmets face a challenge in balancing aerodynamics, ventilation, and protection, as they often sacrifice comfort and drag reduction to provide adequate eye and ear coverage.
Innovation Solution
A helmet design featuring a removable shield that is magnetically coupled to the helmet body, allowing for improved aerodynamics and ventilation by exposing the ears while providing eye coverage, with a brow portion that extends over the eyes and a tapered tail portion for reduced drag, and incorporating ear vents for ventilation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If conventional time trial helmets cover the ears and eyes as part of the helmet body, then protection is improved, but aerodynamic drag increases and ventilation is reduced
Solution Approach 1:
The helmet is divided into separate functional components: a helmet body and a removable shield. The shield can be detached to expose ears while maintaining eye coverage, allowing riders to adjust protection levels based on environmental conditions and aerodynamic requirements.
Solution Approach 2:
The shield is designed to be dynamically adjustable rather than fixed. It can be removed or repositioned to expose different portions of the head, enabling riders to optimize between protection, aerodynamics, and ventilation as conditions change during the race.
2Reliability
If conventional time trial helmets integrate ear covers into the helmet body, then protection is improved, but ventilation is reduced
Solution Approach 1:
The shield separates ear coverage from the main helmet body, allowing independent management of ear protection and ventilation. Riders can remove the shield to expose ears for cooling while maintaining eye protection through the brow portion.
Solution Approach 2:
Different portions of the shield have different properties: the brow portion provides eye coverage while the ear portions can be removed separately. This allows localized adjustment of protection and ventilation in different head regions.
3Shape
If a removable shield is used to expose ears for aerodynamics, then drag is reduced, but device complexity increases
Solution Approach 1:
The magnetic coupling mechanism replaces traditional mechanical fastening systems. Magnets embedded in the helmet body and shield create automatic attraction and alignment, eliminating the need for clips, screws, or complex latching mechanisms while ensuring secure attachment.
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 aerodynamic performance and comfort by minimizing drag and heat buildup while maintaining protection, allowing cyclists to achieve faster times without compromising safety.
Implementation Method 1
The shield is magnetically coupled to the helmet body
Data Source
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AI summary
A helmet (10) can include a helmet body (12) and a shield (14). The shield can include two ear portions (22) connected by a brow portion (20). The shield can be releasably coupled to the helmet body with magnets (26, 86). The ears of a helmet user can be exposed with respect to the helmet body and covered with respect to the shield. The brow portion of the shield can extend across the front portion of the helmet.