Evaporator with replaceable fan venturi ring
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Solution Overview
Problem
Conventional evaporators in refrigeration systems occupy valuable space, pose injury hazards, and require complex and costly repairs and replacements due to their design and installation challenges in walk-in coolers.
Innovation Solution
A modular evaporator design featuring a housing with a coil assembly, a fan housing, and a replaceable venturi ring, which includes a backward incline centrifugal fan and harpoon-shaped attachment hooks for easy installation, access, and maintenance, reducing space usage and injury risks.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a conventional evaporator design is used, then the evaporator can provide cooling function, but it occupies valuable storage space and creates injury hazards in walk-in coolers
Solution Approach 1:
The evaporator is divided into separate modular components including the coil assembly, fan housing, and venturi ring that can be independently manufactured, installed, and replaced. This segmentation allows the cooling function to be maintained while reducing the overall space occupation and improving accessibility for maintenance operations.
2Reliability
If a conventional evaporator design is used, then the evaporator can provide cooling function, but it requires extensive disassembly and is costly to repair or replace
Solution Approach 1:
The evaporator system is segmented into independent modules (coil assembly, fan housing, venturi ring) that can be serviced separately. The fan housing and venturi ring can be removed and replaced without disturbing the coil assembly, significantly reducing repair time and labor costs while maintaining reliable cooling operation.
Solution Approach 2:
The fan housing and venturi ring are extracted as separate removable components from the main evaporator assembly. This allows these parts to be easily accessed, removed, and replaced independently, eliminating the need for extensive disassembly of the entire evaporator system during maintenance operations.
3Reliability
If a conventional evaporator design is used, then the evaporator can provide cooling function, but it extends downward into the standing area creating injury risks
Solution Approach 1:
By segmenting the evaporator into modular components with the coil assembly mounted on the ceiling and the fan housing positioned separately, the design reduces the vertical extension into the standing area. This maintains the cooling function while minimizing the hazard zone for personnel working in the cooler.
4Ease of repair
If a modular evaporator design with replaceable components is used, then repairs and replacements become easier and less costly, but the device complexity increases
Solution Approach 1:
The evaporator is segmented into standardized modular components with uniform mounting interfaces and connection points. While this creates multiple parts, the standardization of these modules simplifies installation, maintenance, and replacement procedures, making the increased complexity manageable through systematic design and reduced skill requirements for servicing.
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 modular design facilitates easier installation, reduces storage space requirements, minimizes injury hazards, and simplifies repairs and replacements by allowing components to be easily accessed and maintained outside the refrigerated environment, thereby lowering costs and improving operational efficiency.
Implementation Method 1
a replaceable venturi ring sized to accommodate the fan
Data Source
AI summary
The present application provides an evaporator. The evaporator may include a housing, a coil assembly mounted within the housing, and a fan housing positioned within the housing. The fan housing may include a fan and a replaceable venturi ring sized to accommodate the fan.