Vessel Drive Lining with Inflatable Seals for Watertight Protection
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Solution Overview
Problem
Existing vessel drive linings are difficult to mount and maintain, and they fail to effectively prevent corrosion, algae, and shell growth on the underwater parts of vessel drives.
Innovation Solution
A lining system with inflatable seals and quick-release fasteners, including a divided adapter plate and a float-controlled bilge pump, allows easy installation and ensures water-tight protection against corrosion and growth, using materials like glass-reinforced plastic and EPDM seals.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional non-inflatable seals are used, then the housing can be attached to the vessel, but water-tightness is insufficient and leakage occurs
Solution Approach 1:
The seal transitions from a static non-inflatable state to a dynamic inflatable state, changing its physical parameters (volume, pressure) to achieve water-tightness. The inflatable seal expands under pressure to create a reliable barrier against water leakage.
Solution Approach 2:
The seal utilizes pneumatic pressure (compressed air) to inflate and maintain water-tightness. A pneumatic system with valve and air supply enables the seal to expand and contract, providing reliable sealing while allowing for easy installation and removal.
2Adaptability or versatility
If the housing is designed as a single piece, then manufacturing is simpler, but adaptability to different vessel designs is limited
Solution Approach 1:
The housing is divided into separate components: housing body, adapter plate, and seal assembly. This segmentation allows each component to be independently designed and optimized, enabling adaptation to different vessel types while maintaining manageable manufacturing complexity.
Solution Approach 2:
The adapter plate serves as a universal interface that can be attached to different vessel sterns. The standardized adapter plate design enables the same housing to be adapted to various vessel types without requiring custom manufacturing for each application.
3Ease of operation
If quick-release fasteners are used, then installation and removal become easier, but the connection strength may be reduced
Solution Approach 1:
The quick-release fastener system is designed to be operated without external tools or complex procedures. The release mechanism allows users to quickly open and close the housing by simple manual action, making installation and maintenance operations straightforward while maintaining adequate connection strength during normal use.
4Adaptability or versatility
If the adapter plate is divided into upper and lower parts, then adaptability to different stern configurations is improved, but assembly complexity increases
Solution Approach 1:
The adapter plate is segmented into upper and lower portions that can be assembled together. This segmentation provides flexibility to accommodate different stern configurations and mounting requirements while keeping each individual part relatively simple in design and manufacturing.
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 system provides easy installation and effective protection against corrosion, algae, and shell growth, with automatic water removal and reduced fuel consumption, while being adaptable to various vessel designs.
Implementation Method 1
A seal (18) which can be expanded by compressed air is arranged between the housing (4) and the adapter plate (9)
Implementation Method 2
In the housing (4), a float-controlled bilge pump (13) is provided
Implementation Method 3
a float-controlled bilge pump (13)
Data Source
AI summary
Disclosed is a lining for drives, such as sterndrives, of vessels has a housing that consists of two housing halves. The housing is secured on an adapter plate fastened to the vessel. A seal is provided between the housing halves. A seal that can be expanded by compressed air is arranged between the housing and the adapter plate. The housing halves are connected to one another by use of tension locks. The housing is secured on the adapter plate by use of tension locks. In the housing, a float-controlled bilge pump, from which a line leads to an opening provided in the upper area of the housing, is provided below.