Air Compressor Supplemental Power Expander Clutch
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Solution Overview
Problem
Existing air compressor systems lack efficient supplemental power sources that can effectively utilize waste heat and fluid energy, limiting their performance and efficiency in various applications.
Innovation Solution
The integration of a clutched expander with a coupler and mechanical gear train in an air compressor system, allowing for the supplementation of mechanical power from a prime mover with power generated from fluid energy conversion, such as through a turbine, and utilizing a waste heat recovery system to enhance overall system efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If a supplemental power source is integrated into the air compressor system, then system efficiency and power output are improved, but device complexity increases
Solution Approach 1:
A clutch mechanism is introduced as an intermediary component to selectively engage or disengage the supplemental power source (expander) from the drive train. This allows the system to incorporate additional power capability without permanently increasing complexity, as the expander can be isolated when not in use. The clutch acts as a mediator that connects or disconnects the expander output shaft from the gear train based on operational requirements.
Solution Approach 2:
The system transitions from a static power configuration to a dynamic one where the supplemental power source can be selectively engaged. The clutch mechanism enables the expander to be connected to the drive train only when fluid energy is available and beneficial, allowing the system to adapt its complexity level based on real-time operational conditions rather than maintaining fixed high complexity.
2Use of energy by moving object
If a clutched expander is integrated with the prime mover and compressor, then energy utilization is optimized, but device complexity and ease of operation worsen
Solution Approach 1:
The clutch mechanism is designed to be automatically actuated based on the operational state of the expander and compressor system. The clutch engages when the expander produces sufficient power to contribute meaningfully and disengages when the compressor load is low or the expander cannot provide beneficial power. This self-regulating behavior eliminates the need for complex manual control systems while optimizing energy utilization.
3Loss of energy
If waste heat recovery system is integrated, then system efficiency is improved, but device complexity and manufacturing difficulty increase
Solution Approach 1:
The expander component serves multiple functions: it acts as a power supplement to the compressor drive train, a waste heat recovery device, and a fluid processing component. By making the expander multi-functional, the system recovers waste heat and converts it to useful power without requiring separate dedicated systems for each function, thereby reducing overall manufacturing complexity despite the added capability.
4Productivity
If supplemental power source is added to air compressor, then productivity is improved, but device complexity increases
Solution Approach 1:
The power generation system is segmented into modular components: the prime mover, the supplemental expander, the clutch mechanism, and the gear train. This segmentation allows the supplemental power source to be added as a discrete module rather than requiring a complete system redesign. The modular approach enables productivity enhancement while keeping the increase in complexity localized and manageable.
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
This configuration enables the air compressor system to leverage both prime mover and fluid energy sources, improving efficiency and adaptability by allowing for the selective engagement of supplemental power, thereby optimizing energy utilization and reducing operational demands.
Implementation Method 1
power generated from fluid energy conversion, such as through a turbine
Implementation Method 2
a waste heat recovery system to enhance overall system efficiency
Data Source
AI summary
A fluid expander is disclosed as used in conjunction with an air compressor that is driven by a prime mover. The fluid expander is structured to extract useful work from a fluid stream and add that work to the work provided by the prime mover to the compressor. In some embodiments a clutch can be used to decouple the expander from the compressor if insufficient work is developed by the expander. A gear train can also be used to change the rotational speed prior to work being delivered to the compressor.