Elevator Ventilation Duct Using Insulating Material
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Solution Overview
Problem
Existing ventilation systems for elevator cars require noise insulation in ventilation ducts, which complicates design and increases costs due to the need for additional materials and components.
Innovation Solution
A simplified ventilation device design featuring a ventilation channel with primary and secondary openings, using insulating materials to minimize noise and streamline production, with options for straight or curved channels, porous areas for airflow calming, and integration with skirting boards or cable guides to reduce installation complexity and costs.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional ventilation ducts are used with separate sound insulation materials, then noise insulation effectiveness is improved, but device complexity and manufacturing costs increase
Solution Approach 1:
The patent combines the ventilation duct and sound insulation function into a single integrated element. The ventilation duct is formed directly from a sound-insulating material, eliminating the need for separate sound insulation materials and reducing device complexity while maintaining noise insulation effectiveness.
Solution Approach 2:
The sound-insulating material serves dual functions: it forms the structural ventilation duct and simultaneously provides noise insulation. This multi-functionality reduces the number of components needed and simplifies the overall device design.
2Productivity
If multiple components are used to form ventilation ducts, then ventilation functionality is improved, but manufacturing and installation costs increase
Solution Approach 1:
The patent merges multiple components (ventilation duct structure and sound insulation) into a single integrated element made from sound-insulating material, reducing manufacturing steps and installation complexity while maintaining ventilation efficiency.
Solution Approach 2:
The sound-insulating material can be configured with integrated ventilation channels formed directly within it, allowing the ventilation pathway to be segmented into functional zones (intake, passage, exhaust) all within a single material component, simplifying assembly.
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 solution provides effective noise insulation, reduces manufacturing and installation efforts, and minimizes noise pollution while maintaining ventilation efficiency, using a single material and reducing the need for additional fastening elements, with optional fan operation for supplementary ventilation.
Implementation Method 1
at least one element made of insulating material, wherein the at least one element essentially determines a course of the at least one ventilation duct
Implementation Method 2
at least one element of the ventilation device has porous regions, through which the air flows
Data Source
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AI summary
The invention relates to an elevator car which can be moved in an elevator shaft, wherein a venting device is attached to an outer car surface, wherein said venting device forms at least one ventilation duct, wherein the at least one ventilation duct has at least one primary ventilation opening which allows air to be exchanged between the ventilation duct and the elevator shaft, wherein at least one of the outer car surfaces has at least one secondary ventilation opening which allows air to be exchanged between a car interior space and the at least one ventilation duct, comprising at least one element made of insulating material, wherein the at least one element substantially determines a course of the at least one ventilation duct.