Bicycle Handlebar Assembly with Through Holes for Aerodynamics

Solution Overview

Problem

Existing handlebar assemblies for two-wheeled vehicles lack both sufficient sturdiness and aerodynamic design, posing safety and efficiency concerns during rapid acceleration and long rides.

Innovation Solution

A handlebar assembly with cylindrical mounting portions and strategically positioned through holes or passages for airflow, enhancing aerodynamics by guiding air outward from the rider's path, while maintaining structural integrity through solid material construction and ergonomic grip areas.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If the handlebar assembly is made solid and sturdy to withstand loads during rapid acceleration, then structural strength is improved, but aerodynamic performance deteriorates due to increased air resistance

Engineering Contradiction:
Core Design Contradiction:
StrengthVSObject-affected harmful factors

Solution Approach 1:

The handlebar assembly incorporates through-holes or passage areas that penetrate through the solid material, creating a porous structure. This allows air to flow through the handlebar assembly, reducing aerodynamic resistance while maintaining sufficient structural strength through the solid material between the passages

Inventive Principle:
Principle #31Porous materials

Solution Approach 2:

The handlebar assembly is segmented by dividing the solid material into separate sections through the inclusion of through-holes or passage areas. This segmentation allows air to pass through multiple sections, reducing overall air resistance while the remaining solid portions maintain structural integrity

Inventive Principle:
Principle #1Segmentation

2Object-affected harmful factors

If through holes or passage areas are added to improve aerodynamics, then air resistance is reduced, but structural integrity may be compromised

Engineering Contradiction:
Core Design Contradiction:
Object-affected harmful factorsVSStrength

Solution Approach 1:

The handlebar assembly features local variations in material density and structure, with solid material providing strength in load-bearing areas and through-holes or passage areas providing aerodynamic benefits in regions where air flow is most critical. This local differentiation optimizes both strength and aerodynamics

Inventive Principle:
Principle #3Local quality

3Object-affected harmful factors

If the handlebar assembly is designed with through holes for air flow, then aerodynamic characteristics are improved, but manufacturing complexity increases

Engineering Contradiction:
Core Design Contradiction:
Object-affected harmful factorsVSEase of manufacture

Solution Approach 1:

The through-holes or passage areas are integrated directly into the handlebar assembly as a single piece, merging the aerodynamic features with the structural component. This integration simplifies manufacturing compared to assembling separate aerodynamic elements, while still achieving improved aerodynamic characteristics

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 handlebar assembly provides improved aerodynamics and safety by reducing air resistance and distributing load effectively, ensuring rider safety during high-speed maneuvers.

Implementation Method 1

the handlebar assembly forms, between its first end and its second end, at least one through hole or passage area, in particular at least one through hole or passage area for an air flow or for air flowing through

Methodology Applied
Scientific EffectAir flow:

Data Source

PatentUS8739651B2Handlebar assembly for bicycles and bicycle having a handlebar assembly
Publication Date: 2014.06.03
  • US8739651B2 patent drawing
  • US8739651B2 patent drawing
  • US8739651B2 patent drawing

AI summary

A handlebar assembly for a two-wheeled vehicle, in particular a bicycle having a first end and having a second end and having a mounting portion positioned between the ends, wherein the handlebar assembly forms at least one through hole or passage area for air flowing through between said first end and the second end, and a bicycle having such a handlebar assembly.