Interchangeable HVAC ducts
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Solution Overview
Problem
Portable HVAC units face challenges during shipping and transportation due to fixed air ducts, which can cause damage and hinder flexibility in usage between different spaces.
Innovation Solution
The design includes a duct assembly with interchangeable components, such as a duct plate and ducts, that can be easily disassembled and reassembled to cover airflow exits, allowing for reconfiguration and ease of transportation by using removable fasteners and a fastening ring system.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If fixed air ducts are used in portable HVAC units, then the structural integrity and airflow direction are maintained, but the unit becomes difficult to transport and vulnerable to damage during shipping
Solution Approach 1:
The air duct assembly is divided into multiple separable components including a duct body, duct plate, and removable fasteners. This segmentation allows the duct to be disassembled for easy transportation and reassembled for use, resolving the contradiction between maintaining structural integrity during operation and enabling easy transportation.
Solution Approach 2:
The duct system transitions from a fixed, static configuration to a dynamic, reconfigurable system. The removable fasteners enable the duct to change its state between assembled (for use) and disassembled (for transport), allowing the system to adapt to different operational requirements without compromising structural integrity when assembled.
2Stability of the object's composition
If fixed air ducts are used in portable HVAC units, then the airflow path is stable, but the unit lacks flexibility for different spaces and applications
Solution Approach 1:
The duct system is segmented into removable components that can be configured for different airflow patterns. The duct body can be attached to different plates with varying fin configurations, enabling adaptation to different space requirements while maintaining stable airflow paths when assembled for specific applications.
Solution Approach 2:
The duct assembly is designed as a universal component that can serve multiple functions across different applications. The standardized fastening system and interchangeable plates allow the same duct body to be adapted for various airflow directions and configurations, providing versatility without sacrificing airflow stability when properly assembled.
3Ease of operation
If removable fasteners are used to enable duct disassembly, then transportation ease is improved, but the device complexity increases
Solution Approach 1:
The removable fastener system is designed to be self-contained and self-explanatory, with features that guide proper assembly and disassembly without requiring external tools or complex procedures. The fasteners incorporate design elements that make their function intuitive, reducing the operational complexity despite adding disassembly capability.
Data Source
AI summary
A portable heating, ventilation, and air conditioning (HVAC) unit includes a housing, a plate, and a duct assembly. The housing defines a first airflow exit and a second airflow exit. The first airflow exit is separated from the second airflow exit by a portion of the housing. The plate is configured to cover the first airflow exit. The duct assembly is configured to cover the second airflow exit. The plate is configured to be disassembled from the housing and reassembled to cover the second airflow exit, and the duct assembly is configured to be disassembled from the housing and reassembled to cover the first airflow exit.