Pneumatic-Core Sliding Board for Shock Damping and Cornering

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Solution Overview

Problem

Conventional ski manufacturing methods result in devices with limited cornering ability, poor shock absorption, and high injury risk due to stick slip and vibration, failing to efficiently manage kinetic energy and terrain irregularities.

Innovation Solution

A snow and water sport sliding device with a pneumatic core featuring a hollow air chamber, adjustable air valve, and composite spring blade system, which includes a top layer, middle segment with a binding plate, and base layer, utilizing a pneumatic system for suspension and shock absorption, and metal edges for friction control.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of manufacture

If conventional sandwich construction method is used, then manufacturing process is simple, but shock absorption and vibration damping are poor

Engineering Contradiction:

Improvemanufacturing process simplicityVSAvoidvibration and shock

Core Design Contradiction:

Ease of manufactureVSObject-affected harmful factors

Solution Approach 1:

The patent introduces a pneumatic system with an air chamber and valve mechanism into the ski construction. The air chamber acts as a shock-absorbing element that can be inflated or deflated to dampen vibrations and absorb impacts, directly addressing the poor shock absorption in conventional sandwich construction while maintaining manufacturing simplicity through modular integration.

Inventive Principle:

Principle #29Pneumatics and hydraulics

Solution Approach 2:

The patent employs a variable stiffness core material that can change its mechanical properties based on operational conditions. This parameter-changing material allows the ski to adapt its rigidity and damping characteristics, providing superior shock absorption and vibration damping while remaining compatible with conventional manufacturing processes.

Inventive Principle:

Principle #35Parameter changes

2Device complexity

If conventional sandwich construction method is used, then device structure is simple, but cornering ability is limited

Engineering Contradiction:

Improvestructure simplicityVSAvoidcornering ability

Core Design Contradiction:

Device complexityVSAdaptability or versatility

Solution Approach 1:

The patent incorporates a dynamic camber system that can adjust the ski's curvature and flex characteristics during operation. This dynamic adjustment mechanism enables the ski to optimize its cornering ability by changing its mechanical properties in real-time, while the overall structure remains relatively simple through integrated design.

Inventive Principle:

Principle #15Dynamics

Solution Approach 2:

The patent uses composite materials with varying stiffness and flexibility properties in different sections of the ski. This composite construction allows the ski to have optimized cornering ability through material property variation while maintaining overall structural simplicity through layered integration.

Inventive Principle:

Principle #40Composite materials

3Ease of manufacture

If conventional sandwich construction method is used, then manufacturing cost is low, but injury risk is high due to stick slip

Engineering Contradiction:

Improvemanufacturing costVSAvoidinjury risk

Core Design Contradiction:

Ease of manufactureVSReliability

Solution Approach 1:

The pneumatic system with adjustable air pressure provides a compliant interface between the ski and snow, reducing stick-slip friction and improving grip. This pneumatic cushioning effect lowers the risk of injuries caused by sudden slips and impacts, while the modular design keeps manufacturing costs relatively low.

Inventive Principle:

Principle #29Pneumatics and hydraulics

Solution Approach 2:

The variable stiffness core material changes its mechanical parameters to optimize traction and reduce stick-slip friction during high-speed conditions. This parameter adaptation provides safer operation with lower injury risk while maintaining cost-effectiveness through material efficiency.

Inventive Principle:

Principle #35Parameter changes

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

Enhances handling and safety by providing efficient energy management, reducing shocks and fatigue, allowing for smoother and more controlled sliding experiences on irregular terrain.

Implementation Method 1

utilizing a pneumatic system for suspension and shock absorption

Methodology Applied

Scientific EffectPneumatic suspension: Spring

Implementation Method 2

reducing shocks and fatigue

Methodology Applied

Scientific EffectShock absorption: Damping

Implementation Method 3

adjustable air valve

Methodology Applied

Scientific EffectPressure regulation: Valve

Implementation Method 4

metal edges for friction control

Methodology Applied

Scientific EffectFriction: Friction

Data Source

PatentUS12508493B2Device and method of manufacturing for a snow and water sport sliding device with a pneumatic core

Publication Date: 2025.12.30 SCHMIDINGER KRISTA

AI summary

A snow and water sport sliding device with a pneumatic core and method of manufacturing the device. The device includes a top layer comprising a front tip, a middle segment with a binding plate, and a back segment with an adjustable air valve. Top layer may also include a blade spring system. The device also includes a main core component layer under the top layer that comprises of a hollow air chamber, and a base layer. Base layer may include embedded metal edge.