Vehicle Seat Longitudinal Adjustment Ventilation Integration
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Solution Overview
Problem
Existing vehicle seats lack effective and adjustable ventilation solutions that can enhance user comfort by providing personalized cooling or air-conditioning, especially in terms of seat length adjustment and integrated ventilation systems.
Innovation Solution
A vehicle seat design featuring a longitudinally displaceable seat part element with an integrated ventilation device, including an air conveying device housed in cut foam and air ducts, which allows for adjustable seat length and targeted air flow distribution, and an optional backrest with independent ventilation, reducing manufacturing costs and design complexity.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Adaptability or versatility
If a separate ventilation device is integrated into the displaceable seat part element, then ventilation comfort is improved and seat length adjustability is enhanced, but device complexity increases
Solution Approach 1:
The seat is divided into a fixed seat part and a displaceable seat part element. The ventilation device is segmented and integrated only into the displaceable seat part element, allowing independent adjustment of seat length without affecting the ventilation system's functionality. This segmentation enables the seat part element to be adjusted longitudinally while maintaining effective ventilation coverage.
Solution Approach 2:
The air conveying device is nested within the displaceable seat part element, specifically integrated into the support plate structure. The ventilation channels are embedded within the foam structure of the seat part element, creating a compact nested arrangement that reduces overall device complexity while maintaining adaptability.
2Volume of moving object
If the air conveying device is integrated into the displaceable seat part element, then space utilization is improved and protection is enhanced, but manufacturing complexity increases
Solution Approach 1:
The air conveying device is merged with the support plate of the displaceable seat part element. The support plate serves dual functions: providing structural support for the seat cushion and housing the air conveying device. This merging eliminates the need for separate housings and reduces the number of manufacturing steps while optimizing space utilization.
Solution Approach 2:
The support plate is designed as a multi-functional component that provides mechanical support, houses the air conveying device, and serves as a mounting structure for the seat cushion. This universal design reduces the total number of parts and simplifies manufacturing processes while maximizing space utilization within the displaceable seat part element.
3Ease of operation
If ventilation channels are provided in the displaceable seat part element, then air flow distribution is improved, but structural complexity increases
Solution Approach 1:
The displaceable seat part element incorporates foam material with integrated ventilation channels. The foam's porous structure naturally facilitates air flow distribution while providing structural support. This approach eliminates the need for complex rigid channel structures, reducing structural complexity while maintaining effective air flow distribution to the user.
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 improved ergonomic and ventilation comfort by allowing adjustable seat length, effective air distribution, and independent ventilation of the seat and backrest, ensuring optimal cooling or air-conditioning for the user without increasing manufacturing costs or design effort.
Implementation Method 1
a ventilation device that has at least one controllable air conveying device and an outflow device that is fluidically connected to the air conveying device
Data Source
Figure 1~2
Figure 3
AI summary
The invention relates to a vehicle seat (1) for a motor vehicle, comprising a seat frame (4) which can be secured to a vehicle base, a seat part (2) which is supported by the seat frame (4), and a ventilating device (21) which has at least one controllable air-conveying device (9) and at least one outlet device (18) that is fluidically connected to the air-conveying device (9). A seat part element (6) which elongates the seat part (2) is mounted on the seat frame (4) in a longitudinally movable manner relative to the seat part (2), and the seat part element (6) has the ventilating device (21).