Magnetic Levitating Sliding Door With Stabilized Low-Friction Travel

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Solution Overview

Problem

Heavy sliding doors experience excessive rolling friction and mechanical stress due to their weight, making it difficult to traverse between open and closed positions, and leading to potential failures over time.

Innovation Solution

A magnetic levitation system where the door is lifted off the track by repelling magnets, minimizing contact and friction, with stabilizing rollers ensuring alignment and support, allowing smooth movement.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Strength

If a heavy door is used for sliding, then the door provides adequate blocking and security, but excessive rolling friction occurs between the track and door making it difficult to traverse

Engineering Contradiction:
Improvedoor blocking capabilityVSAvoiddoor traversal difficulty
Core Design Contradiction:
StrengthVSEase of operation

Solution Approach 1:

The patent replaces the traditional mechanical rolling contact system with a magnetic field-based levitation system. Magnets embedded in the track and door interact to create repulsive forces that levitate the door, eliminating rolling friction while maintaining the heavy door's blocking capability.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The magnetic repulsion force acts as an anti-weight mechanism, counteracting the gravitational force on the heavy door. The magnetic field generates an upward force that balances the door's weight, allowing it to be supported without physical contact with the track.

Inventive Principle:
Principle #8Anti-weight (Counterweight)

2Strength

If a heavy door is used for sliding, then the door provides adequate blocking and security, but repetitive opening and closing causes mechanical failures over time

Engineering Contradiction:
Improvedoor blocking capabilityVSAvoiddoor system durability
Core Design Contradiction:
StrengthVSReliability

Solution Approach 1:

The patent eliminates mechanical contact between the door and track by using magnetic levitation. This substitution removes the wear and tear that occurs with repetitive mechanical opening and closing, significantly improving the reliability and lifespan of the door system.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

Solution Approach 2:

The patent extracts the door from direct mechanical contact with the track system. By using magnetic fields to support and guide the door, the physical contact that causes wear and failure is removed, leaving only the essential blocking function.

Inventive Principle:
Principle #2Taking out (Extraction)

3Ease of operation

If the door is completely lifted off the track using magnetic repulsion, then friction is eliminated, but the door may become misaligned or unstable during traversal

Engineering Contradiction:
Improvedoor movement smoothnessVSAvoiddoor alignment stability
Core Design Contradiction:
Ease of operationVSStability of the object's composition

Solution Approach 1:

The patent introduces stabilizing rollers as intermediary elements between the door and track. These rollers provide gentle contact for alignment and stability during traversal, while the magnetic field continues to provide the primary levitation and friction-free movement.

Inventive Principle:
Principle #24Intermediary (Mediator)

Solution Approach 2:

The patent applies different interaction modes at different locations: magnetic repulsion provides the primary levitation and friction-free movement, while stabilizing rollers provide localized contact for alignment and stability where needed during traversal.

Inventive Principle:
Principle #3Local quality

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 magnetic levitation system significantly reduces friction and mechanical stress, enabling smooth and quiet operation of heavy sliding doors, extending their lifespan by minimizing wear and tear.

Implementation Method 1

The track and the door may have magnets that repel each other and lift the door away from the track so that the door does not contact the track

Methodology Applied
Scientific EffectMagnetic repulsion: Magnetism

Data Source

PatentUS10316562B2Magnetic levitating door
Publication Date: 2019.06.11 LAM TONY
  • US10316562B2 patent drawing
  • US10316562B2 patent drawing
  • US10316562B2 patent drawing

AI summary

A magnetically levitating door is disclosed herein. The door may have a magnet that is repelled from a magnet of a track. The track may be disposed adjacent to a door opening. The track may have a stabilizing roller to maintain vertical alignment of the magnets used to levitate the door off of the track.