Multi-Chamber Oil Separation for Condenser Flow Velocity Control
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Solution Overview
Problem
Current condensers equipped with oil separation devices face reduced efficiency due to high refrigerant flow velocity, which is not effectively managed by existing designs, leading to compromised heat transfer efficiency and increased manufacturing costs.
Innovation Solution
An oil separation device for a condenser is designed with a housing and an oil separation partition that divides the chamber into multiple outlets, reducing refrigerant flow velocity and enhancing oil separation without increasing the condenser's internal volume, featuring multiple refrigerant inlet and outlet ports and filter screens to optimize gas flow and separation.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If the cross-sectional area of the oil separation chamber is increased to improve oil separation efficiency, then oil separation efficiency is improved, but the internal volume of the condenser is reduced and manufacturing cost increases
Solution Approach 1:
The patent divides the single oil separation chamber into multiple oil separation chambers (first, second, third oil separation chambers) arranged in parallel. Each chamber has its own inlet and outlet ports, creating multiple flow paths for refrigerant gas. This segmentation allows the system to maintain effective oil separation across multiple smaller channels without requiring a single large chamber, thus preserving condenser internal volume while improving overall oil separation efficiency through parallel processing of refrigerant streams
Solution Approach 2:
The patent transitions from a single-dimensional or two-dimensional oil separation approach to a three-dimensional multi-chamber configuration. By arranging oil separation chambers in multiple spatial dimensions within the condenser housing, the system achieves enhanced oil separation capacity without proportionally increasing the overall condenser volume, effectively utilizing spatial arrangement to resolve the volume-efficiency contradiction
2Reliability
If the cross-sectional area of the oil separation chamber is increased to improve oil separation efficiency, then oil separation efficiency is improved, but the size of the condenser must be increased leading to high manufacturing cost
Solution Approach 1:
The patent segments the oil separation function across multiple smaller chambers rather than using one large chamber. This segmentation allows for more efficient use of space, meaning the overall condenser size remains compact while achieving effective oil separation. The modular multi-chamber design also facilitates easier manufacturing and assembly compared to a single large complex chamber, thereby reducing manufacturing costs while maintaining high oil separation efficiency
Solution Approach 2:
The oil separation chambers serve multiple functions simultaneously: they separate oil from refrigerant gas, provide multiple flow paths for heat exchange, and maintain compact condenser dimensions. This multi-functionality ensures that the same structural elements contribute to both oil separation efficiency and cost-effective manufacturing, eliminating the need for additional dedicated components that would increase manufacturing complexity and cost
3Productivity
If the refrigerant flow velocity is high, then refrigeration capacity is maintained, but oil separation efficiency is significantly reduced
Solution Approach 1:
The patent divides the refrigerant flow into multiple separate streams by directing them into different oil separation chambers through multiple inlet ports. Each chamber handles a portion of the total refrigerant flow at reduced velocity, allowing effective oil separation in each chamber. The segmented parallel architecture maintains total refrigeration capacity by processing all refrigerant streams simultaneously while ensuring each individual stream moves slowly enough for effective oil separation
Solution Approach 2:
The patent introduces multiple outlet ports positioned at different locations within the oil separation chambers as intermediary exit points for refrigerant gas. These distributed outlet ports create additional flow paths that reduce velocity within each chamber by providing multiple escape routes for the refrigerant-oil mixture, thereby enhancing oil separation efficiency without compromising overall refrigeration capacity through the combined flow of all chambers
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 significantly reduces refrigerant flow velocity, improves oil separation efficiency, and allows for a smaller condenser size without compromising performance, reducing manufacturing costs and maintaining effective heat transfer.
Implementation Method 1
passes through the filter screen 23
Implementation Method 2
an oil separation partition arranged inside the housing and extending along a length direction of the housing, where the oil separation partition divides the accommodating chamber into an oil separation chamber and a condensation chamber
Data Source
AI summary
Disclosed is an oil separation device for a condenser. The condenser comprises: a housing having an accommodating chamber; and an oil separation partition that divides the accommodating chamber into an oil separation chamber and a condensation chamber. The oil separation device comprises: a first refrigerant inlet port and a second refrigerant inlet port, for guiding refrigerant gas into the oil separation chamber; and a first refrigerant outlet port, a second refrigerant outlet port, and a third refrigerant outlet port, for guiding refrigerant gas separated from oil out of the oil separation chamber, wherein, the first refrigerant outlet port is arranged at or near the first end of the oil separation chamber, the second refrigerant outlet port is arranged at or near the second end of the oil separation chamber, the third refrigerant outlet port is arranged in or near the middle of the oil separation chamber.