Removable Engine Housing for Watercraft Space Optimization

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Solution Overview

Problem

In watercraft, mounting engines above the bilge is necessary to avoid corrosive humidity and bilge water, but this often interferes with deck space, and outboard engines still occupy valuable stern area, leading to space inefficiencies and potential engine damage.

Innovation Solution

A removably enclosed engine housing is designed to be placed in the hull, minimizing interference with deck space, providing a waterproof, soundproof, and air-tight environment for the engine, with features like a blower for air management and a fireproofing system, allowing for maintenance without contaminating bilge water.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If the engine is mounted above the bilge to avoid corrosion, then the engine is protected from corrosive environments, but the engine interferes with usable deck space

Engineering Contradiction:

Improveengine protection from corrosionVSAvoidusable deck space

Core Design Contradiction:

ReliabilityVSArea of stationary object

Solution Approach 1:

The engine compartment is segmented into a separate enclosed housing that can be positioned in the bilge area, isolating the engine from the general deck space while maintaining protection from corrosive environments

Inventive Principle:

Principle #1Segmentation

Solution Approach 2:

The engine is nested within an enclosed housing structure that fits into the hull's bilge area, allowing the engine to be protected and positioned low without protruding into usable deck space

Inventive Principle:

Principle #7Nested doll (Nesting)

2Area of stationary object

If outboard engines are used to minimize deck space interference, then deck space is optimized, but the engine projects above the transom and interferes with stern area

Engineering Contradiction:

Improvedeck spaceVSAvoidengine projection above transom

Core Design Contradiction:

Area of stationary objectVSLength of moving object

Solution Approach 1:

The engine housing is designed to extend vertically within the hull rather than projecting horizontally above the transom, changing the dimension of engine placement from external projection to internal containment

Inventive Principle:

Principle #17Another dimension (Dimensionality change)

Data Source

PatentUS7413492B2Watercraft with engine housing

Publication Date: 2008.08.19 AB VOLVO

AI summary

A watercraft includes a hull, an engine, and a housing adapted to completely enclose the engine, the housing being adapted to be removably disposed in the hull.