Vehicle Air Vent Slat Closure for Flat Outflow and Low Height

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Solution Overview

Problem

Existing vehicle air vents lack efficient control over airflow direction and intensity while maintaining a low installation height and visually appealing design.

Innovation Solution

The air vent features freely movable closing edges on slats that open in opposite directions, allowing for a wide gap with minimal opening stroke, enabling efficient airflow control and a flat outflow angle, which is achieved through a mechanism involving a positioning roller and actuator system, allowing for manual or automatic operation.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Adaptability or versatility

If multiple blind slats are used to control airflow direction, then airflow control capability is improved, but device complexity increases

Engineering Contradiction:
Improveairflow control capabilityVSAvoiddevice complexity
Core Design Contradiction:
Adaptability or versatilityVSDevice complexity

Solution Approach 1:

The air vent is divided into multiple independent slats (first blind slat and second blind slat) that can be controlled separately. Each slat can be adjusted independently to different positions, allowing precise control of airflow direction and distribution. This segmentation enables versatile airflow control while keeping each individual slat's structure simple.

Inventive Principle:
Principle #1Segmentation

2Adaptability or versatility

If a complex lever mechanism is used to control blind slats, then airflow direction control is improved, but installation height increases

Engineering Contradiction:
Improveairflow direction controlVSAvoidinstallation height
Core Design Contradiction:
Adaptability or versatilityVSLength of stationary object

Solution Approach 1:

The patent extracts and eliminates the complex lever mechanism from the design. Instead of using a lever system that requires significant space, the invention employs a simplified control mechanism that directly actuates the slats, reducing the overall installation height while maintaining effective airflow direction control.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The control mechanism transitions from a multi-dimensional lever system requiring vertical space to a more compact arrangement that achieves the same control function with reduced height, effectively moving the solution to another dimensional configuration.

Inventive Principle:
Principle #17Another dimension (Dimensionality change)

3Device complexity

If slats are actuated in the same direction by a common actuator, then device complexity is reduced, but airflow control versatility deteriorates

Engineering Contradiction:
Improvedevice complexityVSAvoidairflow control versatility
Core Design Contradiction:
Device complexityVSAdaptability or versatility

Solution Approach 1:

The air vent is divided into multiple independent slats (first blind slat and second blind slat) that can be controlled separately. Each slat can be adjusted independently to different positions, allowing precise control of airflow direction and distribution. This segmentation enables versatile airflow control while keeping each individual slat's structure simple.

Inventive Principle:
Principle #1Segmentation

4Productivity

If wide outflow openings are used, then ventilation efficiency is improved, but visual appearance deteriorates

Engineering Contradiction:
Improveventilation efficiencyVSAvoidvisual appearance
Core Design Contradiction:
ProductivityVSShape

Solution Approach 1:

The slats are designed to be dynamically adjustable, allowing the air vent to transition between a closed state (when not in use) and an open state (when ventilation is needed). This dynamic capability enables the vent to maintain a sleek, inconspicuous appearance when closed while providing efficient ventilation when opened.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The opening mechanism is designed to locally expand the outflow area only when needed. The slats can be positioned to create wide openings for maximum ventilation efficiency, while the surrounding housing and closed slat configuration maintain a compact, visually appealing appearance in non-operational states.

Inventive Principle:
Principle #3Local quality

Data Source

PatentEP3790749B1Air outlet for a motor vehicle
Publication Date: 2022.03.16 DR SCHNEIDER KUNSTWERKE GMBH
  • EP3790749B1 patent drawingFigure 1
  • EP3790749B1 patent drawingFigure 2
  • EP3790749B1 patent drawingFigure 3

AI summary

The invention relates to an air outlet (1) for a vehicle, which has a housing (11) having an air outlet opening (12) and, in the region of the air outlet opening (12), at least two movably mounted lamellae (21, 22) for controlling a discharge of air, wherein the at least two movably mounted lamellae (21, 22) close the air outlet opening (12) in a closed position and each have a bearing edge (211, 221) connected to the housing (11) and a freely movable closing edge (21s, 22s), and the at least two movably mounted lamellae (21, 22) are arranged in the air outlet opening (12) in such a way that their closing edges (21s, 22s) are opposite one another in the closed position.