Flap Hinge Compartment for Concealed Door Damping

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Solution Overview

Problem

Existing flaps with damping means for controlling door opening compromise the aesthetic appearance due to their visibility and discontinuity with the design.

Innovation Solution

The flap design incorporates damping means housed within a hinge compartment, ensuring controlled and safe door movement without affecting the appearance by concealing the damping components.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If damping means are added to control door opening movement, then safety and control are improved, but aesthetic appearance deteriorates due to visibility and design discontinuity

Engineering Contradiction:
Improvecontrolled door openingVSAvoidaesthetic appearance
Core Design Contradiction:
ReliabilityVSShape

Solution Approach 1:

The damping means are nested inside the hinge housing compartment, placing the functional component within the existing structural envelope. This allows the damping mechanism to be hidden from external view while remaining fully functional, resolving the contradiction between visible safety features and aesthetic appearance.

Inventive Principle:
Principle #7Nested doll (Nesting)

Solution Approach 2:

The hinge housing compartment serves as an intermediary structure that houses the damping means. This intermediate element allows the damping mechanism to be concealed while still providing the required control function, bridging the gap between aesthetic requirements and safety functionality.

Inventive Principle:
Principle #24Intermediary (Mediator)

2Reliability

If damping means are positioned externally for visibility, then safety is improved, but design continuity deteriorates

Engineering Contradiction:
Improvesafe opening movementVSAvoiddesign continuity
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The damping means are nested within the hinge housing compartment rather than being positioned externally. This integration maintains design continuity by keeping all components within the established hinge structure, eliminating visual discontinuity while preserving safety functionality.

Inventive Principle:
Principle #7Nested doll (Nesting)

3Shape

If damping means are concealed within hinge compartment, then aesthetic appearance is improved, but accessibility for maintenance deteriorates

Engineering Contradiction:
Improveaesthetic appearanceVSAvoiddamping means accessibility
Core Design Contradiction:
ShapeVSEase of repair

Solution Approach 1:

The damping means are designed as extractable components that can be removed from the hinge housing compartment. This allows maintenance personnel to access and replace damping elements by opening the housing, balancing aesthetic concealment with practical maintainability.

Inventive Principle:
Principle #2Taking out (Extraction)

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

Provides reliable, safe, and controlled door opening while maintaining the aesthetic integrity of the flap by hiding damping mechanisms within the hinge compartment.

Implementation Method 1

damping means 6 configured to dampen the rotation motion of door 3 with respect to structure 2

Methodology Applied
Scientific EffectDamping: Damping

Implementation Method 2

door 3 is rotationally movable with respect to structure 2 from a vertical closing position to a horizontal opening position under the action of the force of gravity

Methodology Applied
Scientific EffectGravity: Gravitation

Data Source

PatentEP4409100B1flap
Publication Date: 2025.11.05 MOLTENI & C
  • EP4409100B1 patent drawingFigure 1~2
  • EP4409100B1 patent drawingFigure 3~4
  • EP4409100B1 patent drawingFigure 5

AI summary

A flap (1) comprising a structure (2) and a door (3) hinged to the structure (2) by means of a hinge (4), wherein the hinge (4) defines a hinge axis (5) around which the door (3) is rotationally movable with respect to the structure (2), wherein the door (3) is movable from a vertical closing position to a horizontal opening position under the action of the force of gravity, wherein the flap (1) further comprises damping means (6) configured to dampen the rotation motion of the door (3) with respect to the structure (2), wherein the hinge (4) defines a housing compartment (7) therein, closed or partially closed in the direction transverse to the hinge axis (5), and wherein the damping means (6) are housed inside the housing compartment (7).