Tire Valve Axial Connection Offset for Faster Air Flow

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Solution Overview

Problem

Existing tire valves are inefficient for quickly changing air pressure, particularly deflation, and often require cumbersome couplings that can be prone to jamming, especially at higher pressures, and are not optimized for smaller tires.

Innovation Solution

A tire valve design with a one-piece valve body featuring a connection section offset axially from the valve-functional elements, allowing for a larger diameter valve channel and secure coupling without threading, enabling faster air flow and reduced weight for smaller tires.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Speed

If the connection means is arranged in the radial direction with respect to the valve-functional elements, then the valve structure is compact, but the valve channel diameter is limited and air flow speed is reduced

Engineering Contradiction:
Improveair flow speedVSAvoidvalve body volume
Core Design Contradiction:
SpeedVSVolume of moving object

Solution Approach 1:

The connection means is moved from a radial arrangement to an axial arrangement along the valve channel, transitioning the connection direction to a different spatial dimension. This allows the valve-functional elements to be positioned outside the tube of the valve base without radial interference, enabling a larger valve channel diameter and faster air flow while maintaining compact overall dimensions through axial stacking

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

2Ease of manufacture

If the valve body is made in one piece, then manufacturing complexity is reduced and weight is decreased, but structural strength may be compromised

Engineering Contradiction:
Improvemanufacturing simplicityVSAvoidvalve body strength
Core Design Contradiction:
Ease of manufactureVSStrength

Solution Approach 1:

The valve body is segmented into functionally distinct sections: a connection section for mounting and a valve-functional section for air control. This segmentation allows each section to be optimized independently while maintaining a one-piece construction, achieving both manufacturing simplicity and adequate structural strength through functional zoning

Inventive Principle:
Principle #1Segmentation

3Reliability

If a coupling is screwed onto the external thread of the tube, then secure connection is achieved, but the operation becomes awkward and time-consuming

Engineering Contradiction:
Improvecoupling securityVSAvoidcoupling operation ease
Core Design Contradiction:
ReliabilityVSEase of operation

Solution Approach 1:

The threading function is extracted from the tube and relocated to the valve body's connection section. This allows the valve to be screwed directly onto the tube without requiring additional couplings, eliminating the cumbersome coupling operation while maintaining secure threaded connection through the valve body's own threading

Inventive Principle:
Principle #2Taking out (Extraction)

4Productivity

If the valve-functional elements are positioned within the tube of the valve base, then the valve structure is compact, but the valve channel diameter is constrained and air flow is limited

Engineering Contradiction:
Improveair release and supply speedVSAvoidvalve structure compactness
Core Design Contradiction:
ProductivityVSShape

Solution Approach 1:

The valve-functional elements are repositioned from a radial arrangement within the tube to an axial arrangement outside the tube. This dimensional change allows the valve channel to expand in diameter without increasing the radial footprint, achieving faster air flow while maintaining compact overall structure through axial extension

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

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

This design facilitates quicker air release and supply, secure coupling, and reduced weight, making it suitable for smaller tires, especially those on passenger cars and off-road vehicles, while minimizing material usage and protecting the sealing element.

Implementation Method 1

held by the force of a compression spring

Methodology Applied
Scientific EffectElasticity: Elasticity

Data Source

PatentEP2539163B1Tire valve
Publication Date: 2015.06.17 PTG REIFENDRUCKREGELSYSTEME GMBH
  • EP2539163B1 patent drawingFigure 1

AI summary

The invention relates to a tire valve (1) comprising a valve channel (11) having a valve body (10) enclosing a valve seat (15), having at least one connecting means (9) for connecting the valve body (10) to a valve base (2), wherein the valve body (10) comprises a valve part (12) inserted in the valve channel (11) and displaceable in the axial direction therein, sealingly bearing against the valve seat (15) of the valve body (10) in the closed position of the valve (1), and wherein the connecting means (9) of the valve body (10) is disposed in a connecting segment (8) at a distance in the axial direction from the functional valve segment of the valve body (10), and the valve body (10) is implemented as a single piece.