Compressed Air Drying Container with Integrated Vent Valve
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Solution Overview
Problem
Existing compressed air supply installations for pneumatic systems, particularly in vehicles, are space-consuming and inefficient, with vent valve arrangements and air dryers not optimized for compactness, leading to suboptimal venting and drying performance and increased acoustics during venting.
Innovation Solution
Integrating the vent valve arrangement within the drying container of the air drier, utilizing a recess in the drying container to house the solenoid valve, allowing for a compact design that reduces installation space and improves acoustics while utilizing waste heat for drying, and employing a dual-armature solenoid valve configuration for flexible and efficient venting.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Area of stationary object
If the vent valve arrangement is integrated within the drying container of the air drier, then the installation space is reduced and acoustics are improved, but the device complexity increases
Solution Approach 1:
The vent valve arrangement is integrated within the drying container of the air drier, combining two previously separate functional components (vent valve and air drier) into a single unified structure. This merging reduces the overall installation space and improves acoustics by eliminating separate mounting locations and connections.
Solution Approach 2:
The vent valve arrangement is positioned within the recess of the drying container, effectively nesting one component inside another. The vent valve housing is received in the recess formed by the wall of the drying container, creating a compact nested configuration that maximizes space utilization.
2Device complexity
If a dual-armature solenoid valve is used for multiple functions, then the device complexity is reduced, but the manufacturing precision requirements increase
Solution Approach 1:
A dual-armature solenoid valve is employed to perform multiple functions within the compressed air supply installation. The first armature controls the vent valve for releasing air from the pneumatic system, while the second armature controls the regeneration valve for the air drier. This multi-functional approach reduces the total number of separate valves and components needed in the system.
3Productivity
If rapid venting is implemented for quick ground clearance adjustment, then the productivity is improved, but the acoustics worsen due to excessive noise
Solution Approach 1:
The vent valve arrangement is nested within the drying container structure, which provides acoustic shielding. The walls of the drying container act as a barrier that contains and dampens the noise generated during rapid venting operations, allowing high-speed venting without excessive external noise.
Solution Approach 2:
The drying container wall structure serves as an intermediary barrier between the vent valve and the external environment. This intermediate structure absorbs and attenuates acoustic energy from the rapid venting process, mediating between the high-productivity venting function and the acoustic comfort requirement.
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 results in a more compact, efficient, and acoustically improved compressed air supply installation that enables rapid and flexible venting and regeneration of the air drier without excessive noise, meeting the demands of vehicles requiring quick ground clearance adjustments.
Implementation Method 1
a solenoid valve arrangement (40, 40') with a solenoid part (43, 43') and a pneumatic part (44, 44')... actuated using a common control means (65) acting on both
Implementation Method 2
An air drier comprises a drying agent, customarily a granulate fill, through which the compressed air can flow, so that the granulate fill can adsorb moisture contained in the compressed air
Implementation Method 3
The compressed air is made available to the compressed air supply using an air compressor
Data Source
AI summary
A compressed air supply installation for operating a pneumatic installation, especially an air suspension installation of a vehicle, includes an air supply unit and an air compression unit for supplying a compressed air supply unit with compressed air, a pneumatic connection, especially a bleeding line, comprising a bleeding valve and a bleeding port for bleeding air, and a pneumatic connection, especially a compressed air supply line having an air drier and a compressed air port for supplying the pneumatic installation with compressed air The air drier has a drier container through which compressed air can flow and which contains a desiccant. The drier container has a wall forming a desiccant-free recess, and at least part of the bleeding valve system is arranged in the recess.