Wave-Powered Device Nesting for Compact Storage

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Solution Overview

Problem

Existing wave-powered devices are difficult to transport, store, and recover due to their complex and bulky configurations.

Innovation Solution

A compact assembly design where the tether and wave-actuated component are nested closely to the float, allowing for a single-unit configuration that can be easily handled and deployed, with features like winches for tether management and a spring system for fin control to prevent overrotation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Ease of operation

If the wave-powered device uses separate components for float, tether, and wave-actuated component, then it can operate effectively in water, but it becomes difficult to transport, store, and handle

Engineering Contradiction:
Improveease of transport and storageVSAvoiddevice configuration complexity
Core Design Contradiction:
Ease of operationVSDevice complexity

Solution Approach 1:

The patent applies nesting by placing the wave-actuated component inside a cavity of the float, and storing the tether inside the wave-actuated component or float cavity. This nested arrangement allows all components to be compactly integrated into a single transportable unit while maintaining the ability to deploy them as separate functional components when in water.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The patent merges multiple components (float, wave-actuated component, tether) into a single integrated assembly that can be handled as one unit during transport and storage. The components are designed to fit together closely, creating a compact configuration that simplifies handling while preserving their individual functions when deployed.

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If the device components are kept separate for operational functionality, then it can perform its wave-powered function, but it requires more space and is more difficult to store

Engineering Contradiction:
Improveoperational functionalityVSAvoidstorage space requirement
Core Design Contradiction:
ReliabilityVSVolume of stationary object

Solution Approach 1:

The wave-actuated component is nested within a cavity of the float, and the tether is stored within the wave-actuated component or float cavity. This nesting minimizes the overall volume required for storage while ensuring all components are present and functional when deployed.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The patent utilizes three-dimensional space efficiently by placing components in different spatial zones - the float provides buoyancy at the top, the wave-actuated component operates in the middle section within a cavity, and the tether extends downward. This vertical arrangement optimizes space utilization.

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

3Ease of operation

If the tether is kept extended for operational use, then it can connect the float and wave-actuated component, but it increases the risk of damage during handling

Engineering Contradiction:
Improveease of handlingVSAvoidtether integrity
Core Design Contradiction:
Ease of operationVSStrength

Solution Approach 1:

The tether is pre-stored in a protected position inside the wave-actuated component or float cavity before deployment. This preliminary storage protects the tether from damage during transport and handling, and the tether is only extended to its functional position when the device is ready for operation in water.

Inventive Principle:
Principle #10Preliminary action

Solution Approach 2:

The tether is stored in a cushioned or protected environment within the device assembly, shielded from external forces that could cause damage. This beforehand protection ensures the tether remains intact during handling and is only exposed to operational stresses when properly deployed in water.

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

Data Source

PatentEP3267275B1Wave-powered devices configured for nesting
Publication Date: 2019.10.16 LIQUID ROBOTICS INC
  • EP3267275B1 patent drawingFigure 1
  • EP3267275B1 patent drawingFigure 2A~2B
  • EP3267275B1 patent drawingFigure 3A

AI summary

A wave-powered water vehicle includes a) a first component which is a float that travels on or near the water surface; b) a second component which is wave actuated and travels below the first component; and c) a means whereby the first component engages the second component and/or the second component engages the first component; wherein the engagement means provides lateral support of one component for the other, and thereby minimizes lateral movement of one against the other when the components are fitted together.