Wedge-Seal Top-Hanging Sliding Doors for Acoustic Privacy
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Solution Overview
Problem
Existing top-hanging sliding doors suffer from significant acoustic transmission issues due to inherent perimeter gaps, which compromise privacy and noise reduction in various environments.
Innovation Solution
A door seal system for top-hanging sliding doors featuring a frame wedge surface and a door wedge surface that engage to provide a seal, combined with a rear seal and a drop seal assembly that includes an adjustable or magnetic activator to ensure contact with the floor, minimizing sound and air leakage.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If traditional sliding door designs are used with perimeter gaps, then ease of operation and simplicity are maintained, but acoustic transmission performance deteriorates significantly
Solution Approach 1:
The seal system is divided into multiple independent seal elements (top seal, side seals, bottom seal) that can be individually optimized and installed. Each seal addresses specific gap locations, collectively achieving superior acoustic performance without requiring complete redesign of the door system.
Solution Approach 2:
The invention transitions from traditional single-point or single-line seals to a multi-dimensional sealing approach using wedge-shaped seals that engage at multiple points simultaneously (top, sides, and bottom), creating a three-dimensional barrier against sound transmission through the perimeter gaps.
2Adaptability or versatility
If fixed-angle door panels are used, then manufacturing precision is improved, but adaptability to varying installation conditions deteriorates
Solution Approach 1:
The door panel angle adjustment mechanism allows the door to be dynamically repositioned at different angles relative to the door frame. This dynamic adjustability enables the door to adapt to varying installation conditions and floor gaps while maintaining effective engagement of the wedge seals, without requiring complex motorized or hydraulic systems.
3Object-affected harmful factors
If wedge seals are engaged during door operation, then acoustic sealing performance is improved, but friction and operational resistance increase
Solution Approach 1:
The wedge seals are positioned and pre-loaded during door closure, with the sealing action occurring as the door approaches its closed position. This preliminary engagement allows the seals to be firmly pressed together for optimal acoustic performance while minimizing friction during the majority of the door's sliding travel, thereby maintaining ease of operation.
Data Source
AI summary
Systems and methods for providing a door seal system for top-hanging sliding doors. In some implementations, two angled mating surfaces are used, one angled surface on a fixed frame and one reversed angled surface on the slideable door panel. The slideable door panel slides directly parallel to the fixed door frame. A mating seal surface is created that is only in frictional contact for a small portion of the linear slide distance of the door panel. In some implementations, rather than placing two opposing angled seal surfaces, the sealing system has one angled surface on the fixed door frame. In such implementations, the sliding door panel is adjusted to be in a reverse angled orientation relative to the angled surface of the fixed door frame. Seal designs for the rear vertical edge of the slideable door panel are also provided herein.