Air Dryer Adapter Module for Dual Cartridge Switching
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Solution Overview
Problem
Commercial vehicles with high compressed air demands often struggle to regenerate air dryer cartridges efficiently due to limited reverse airflow opportunities, leading to potential moisture accumulation in compressed air systems, necessitating the use of two cartridges for alternating drying and regeneration, which is costly to implement in existing systems.
Innovation Solution
An air dryer adapter module that accommodates two air dryer cartridges, featuring a selection valve and connection devices to switch between them, allowing compressed air to flow through either cartridge for drying and regeneration, and can be integrated into existing systems without significant modifications, supporting both pneumatic and electro-pneumatic control.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If two air dryer cartridges are used alternately for drying and regeneration, then the reliability of compressed air systems is improved, but the device complexity increases
Solution Approach 1:
The adapter module serves multiple functions: it accommodates two air dryer cartridges, provides switching between them via a selection valve, enables alternating drying and regeneration operations, and maintains compatibility with existing single-cartridge systems. This multi-functionality resolves the contradiction by integrating complex dual-cartridge operation into a universal adapter that fits standard systems.
Solution Approach 2:
The adapter module acts as an intermediary between the existing compressed air system and the dual-cartridge configuration. It includes connection devices that interface with the system and a selection valve that manages airflow distribution, thereby enabling reliable alternating operation without requiring fundamental system redesign.
2Productivity
If existing compressed air supply devices are modified to operate with more than one air dryer cartridge, then the productivity is improved, but the ease of manufacture deteriorates
Solution Approach 1:
The solution segments the dual-cartridge functionality into a separate, modular adapter module that can be added to existing systems. Rather than modifying the entire compressed air supply device, the adapter module is a distinct component that interfaces with the existing system, thereby improving regeneration capability while minimizing manufacturing complexity and cost.
Solution Approach 2:
The adapter module with two cartridges is nested within or alongside the existing single-cartridge system configuration. The adapter accommodates the cartridges and provides switching functionality while integrating with the existing system architecture, allowing productivity improvement through dual-cartridge operation without requiring complete system replacement or complex modifications.
3Adaptability or versatility
If an adapter module with two air dryer cartridges is integrated into existing systems, then the adaptability is improved, but the device complexity increases
Solution Approach 1:
The adapter module is designed as a universal interface that works with existing compressed air supply devices regardless of whether they are pneumatically or electro-pneumatically controlled. It provides dual-cartridge functionality while maintaining compatibility with various system types, thereby improving adaptability despite the added structural complexity of accommodating two cartridges and switching mechanisms.
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
Enables efficient regeneration of air dryer cartridges while maintaining system dryness, allowing for the use of two cartridges in single-cartridge designed systems, reducing the need for costly modifications and ensuring continuous operation of compressed air systems.
Implementation Method 1
The selection valve has a first switch position, in which the valve inlet is connected to the first valve outlet, and a second switch position, in which the valve inlet is connected to the second valve outlet
Implementation Method 2
Air dryers with filters are used to prevent moisture from settling in consumer systems. Air dryers absorb moisture from the air
Data Source
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AI summary
The invention relates to an air dryer adaptor module for utility vehicles, for receiving a first air dryer cartridge (22) and a second air dryer cartridge (28). The air dryer adaptor module comprises a first connection device for connecting the first air dryer cartridge (22), a second connection device for connecting the second air dryer cartridge (28), and a selector valve (18) comprising a valve inlet (62), a first valve outlet (64), and a second valve outlet (66). Said first valve outlet (64) is, or can be, connected to the first connection device, the second valve outlet (66) is or can be connected to the second connection device, and the valve inlet (62) is or can be connected for supplying compressed air. The selector valve (18) has a first switch position in which the valve inlet (62) is connected to the first valve outlet (64), and a second switch position in which the valve inlet (64) is connected to the second valve outlet (66). In addition, a module outlet (14) of the air dryer adaptor module is or can be switchably connected to the first connection device or to the second connection device. The invention additionally relates to a corresponding air dryer module (10), and to a compressed air supply device comprising such an air dryer module (10).