Integrated Air Supply Layout for Seat and Suspension Adjustment

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Solution Overview

Problem

Vehicle seat and suspension systems have complex structures that occupy a large interior space and increase costs due to separate air compressors and storage tanks for air supply.

Innovation Solution

An integrated adjustment system where multiple air receiving apparatuses share a single air supply apparatus, including a suspension apparatus and a seat adjustment apparatus, reducing the overall system size and saving space by coordinating air supply and control through a unified air supply system.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If separate air supply systems are used for seat adjustment and suspension, then each system can be independently controlled, but the overall system complexity and interior space occupation increase

Engineering Contradiction:
Improveindependent control capabilityVSAvoidsystem structure
Core Design Contradiction:
ReliabilityVSDevice complexity

Solution Approach 1:

The patent combines the air supply systems for seat adjustment and suspension into a single integrated system. The air supply apparatus includes a common air compressor and air storage tank that serve both the seat adjustment apparatus (with airbags) and the suspension apparatus (with air springs), eliminating the need for separate air supply systems while maintaining independent control through separate control valves for each function.

Inventive Principle:
Principle #5Merging (Combining)

2Reliability

If separate air supply systems are used for seat adjustment and suspension, then each system has dedicated components, but the total system size and costs increase

Engineering Contradiction:
Improvededicated component availabilityVSAvoidinterior space occupation
Core Design Contradiction:
ReliabilityVSVolume of stationary object

Solution Approach 1:

The air supply apparatus is designed as a universal system that performs multiple functions. The single air compressor and air storage tank provide pressurized air to both the seat adjustment apparatus and suspension apparatus, making these components multi-functional and reducing the total volume of air supply components needed in the vehicle interior.

Inventive Principle:
Principle #6Universality (Multi-functionality)

3Reliability

If separate air compressors and storage tanks are used for each system, then air supply reliability is maintained, but manufacturing costs and system weight increase

Engineering Contradiction:
Improveair supply consistencyVSAvoidsystem weight
Core Design Contradiction:
ReliabilityVSWeight of stationary object

Solution Approach 1:

The patent merges the air compressors and storage tanks into a single shared air supply apparatus. This consolidation reduces the total weight of the system by eliminating redundant components while maintaining reliable air supply to both seat adjustment and suspension systems through the common pressurized air source.

Inventive Principle:
Principle #5Merging (Combining)

Data Source

PatentEP4691813A1Integrated adjustment system and vehicle
Publication Date: 2026.02.11 BYD CO LTD
  • EP4691813A1 patent drawingFigure 1~2
  • EP4691813A1 patent drawing
  • EP4691813A1 patent drawing

AI summary

An integrated adjustment system, applied to a vehicle, and including a first air receiving apparatus and a second air receiving apparatus, the first air receiving apparatus being configured to implement a first function, the second air receiving apparatus being configured to implement a second function, and the first function being different from the second function; and an air supply apparatus, the air supply apparatus being connected to the first air receiving apparatus to supply air to the first air receiving apparatus, and the air supply apparatus being connected to the second air receiving apparatus to supply air to the second air receiving apparatus. The first air receiving apparatus and the second air receiving apparatus share one air supply apparatus, which significantly reduces a total size of the integrated adjustment system, saves an interior space of the vehicle, and reduces costs of the vehicle. Also provided is a vehicle including the integrated adjustment system.