Geothermal system having a flow vector assembly
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Solution Overview
Problem
Current geothermal systems face inefficiencies due to oversizing, high operating costs from electrical resistance elements, and mechanical limitations that restrict simultaneous operation of heat pump and fossil fuel furnace sequences, leading to excessive utility costs and environmental impact.
Innovation Solution
A geothermal system with a flow vector assembly that allows selective and automatic diversion of refrigerant to multiple heat exchangers, enabling a supplemental heat sequence of operation and minimizing the use of resistive elements, thereby optimizing energy use and reducing the need for oversized installations.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Power
If geothermal heat pumps are oversized beyond cooling load requirements, then heating capacity below balance point is improved, but device complexity and installation cost increase
Solution Approach 1:
The system divides the heating function into two separate heat exchangers: a primary heat exchanger for cooling mode and an auxiliary heat exchanger for supplemental heating. This segmentation allows each component to be optimized for its specific function, eliminating the need for one oversized heat exchanger that would compromise dehumidification performance.
Solution Approach 2:
The flow vector assembly provides multi-functionality by directing refrigerant flow to different heat exchangers based on operating conditions. It can route refrigerant to the primary heat exchanger during cooling mode or to the auxiliary heat exchanger during supplemental heating mode, or to both simultaneously, making the system adaptable to various thermal demands without requiring separate dedicated systems.
2Power
If electrical resistance elements are used for supplemental heating, then heating capacity below balance point is improved, but energy consumption and operating cost increase
Solution Approach 1:
The system changes the operating parameters by using refrigerant-based heat transfer instead of electrical resistance heating. The auxiliary heat exchanger utilizes the refrigerant's thermal energy during heat pump operation, providing supplemental heating through phase change and heat transfer processes that are significantly more efficient than resistive heating.
3Use of energy by moving object
If fossil fuel auxiliary heat sources are used, then energy consumption is reduced, but device complexity and safety requirements increase
Solution Approach 1:
The flow vector assembly acts as an intermediary that enables the heat pump system to access additional thermal capacity through the auxiliary heat exchanger. This intermediary component allows the system to utilize refrigerant flow to provide supplemental heating without requiring direct integration of fossil fuel equipment, maintaining system simplicity while achieving energy efficiency.
4Power
If heat pump and fossil fuel furnace operate simultaneously, then heating capacity below balance point is improved, but system control complexity increases
Solution Approach 1:
The system employs dynamic control through the flow vector assembly that automatically adjusts refrigerant flow distribution based on real-time operating conditions. The assembly can dynamically route refrigerant to the primary heat exchanger, auxiliary heat exchanger, or both simultaneously, providing flexible and adaptive control that simplifies the overall system operation compared to coordinating multiple independent heat sources.
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 solution reduces operating costs, eliminates the need for oversized systems, and allows for simultaneous operation of heat pump and fossil fuel furnace, enhancing energy efficiency and environmental sustainability.
Implementation Method 1
In a cooling mode refrigerant flows from the heat pump to the flow vector assembly, then to the cooling coil where liquid refrigerant is flashed into gas
Implementation Method 2
both the cooling coil and the heating coil are positioned in the duct work of a furnace, and are connected to and in fluid communication with the flow vector assembly
Implementation Method 3
In a cooling mode refrigerant flows from the heat pump to the flow vector assembly, then to the cooling coil where liquid refrigerant is flashed into gas
Implementation Method 4
the cooling coil and the heating coil are positioned in the duct work of a furnace
Implementation Method 5
In a heating mode hot gas flows from the heat pump to the flow vector assembly and is diverted to the heating coil where the hot gas is condensed into liquid
Implementation Method 6
both the cooling coil and the heating coil are positioned in the duct work of a furnace
Data Source
AI summary
A geothermal system having a flow station connected to a heat pump that is connected to a heat pump that is connected to a flow vector assembly. The flow vector assembly is connected to a heating coil and a cooling coil disposed within the ductwork of a furnace. The flow vector assembly may also be connected to a flow helix heat exchanger assembly.