Systems, devices, and/or methods for managing condensate
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Solution Overview
Problem
Conventional furnace traps face challenges such as freezing issues due to standing water, sludge buildup, and the need for a large reservoir, which can lead to condensate buildup and furnace shutdown, especially when the furnace is inactive or installed in unheated spaces.
Innovation Solution
A furnace trap design that operates dry when not in use and allows condensate to flow freely when the furnace is operating, using a system of floats and guide rails to prevent air and combustion gases from entering or escaping, while minimizing debris accumulation and preventing freezing.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a large reservoir is used in conventional furnace traps to prevent air from entering the combustion gas containment system, then air prevention is improved, but the risk of freezing increases due to standing water
Solution Approach 1:
The trap uses a float mechanism that dynamically adjusts the sealing action based on condensate level. When condensate is present, the float rises to close the air inlet passage; when condensate drains, the float falls to open the passage. This dynamic operation eliminates the need for a large standing water reservoir, reducing freezing risk while maintaining air prevention reliability.
Solution Approach 2:
The invention changes the operational parameter from maintaining a large static water column to using a small dynamic water seal. The float mechanism allows the trap to switch between sealed and open states, replacing the need for a deep water reservoir with a shallow condensate pan that minimizes freezing risk.
2Reliability
If a deep trap is designed to maintain sufficient water level for proper operation at the beginning of the heating season, then air prevention is improved, but sludge buildup and freezing chances increase
Solution Approach 1:
The float-operated mechanism dynamically controls the air inlet passage closure based on real-time condensate presence rather than relying on a deep static water reservoir. This keeps the trap shallow, preventing sludge accumulation at the bottom while maintaining effective air prevention when condensate is present.
Solution Approach 2:
The invention extracts the essential function of air prevention from the large water reservoir and implements it through a float-controlled valve mechanism. This separates the air prevention function from the need for a deep water seal, allowing a shallow trap design that avoids sludge buildup.
3Productivity
If two separate traps are designed to handle condensate from heat exchangers and vent tube, then condensate drainage is improved, but device complexity and space requirements increase
Solution Approach 1:
The invention merges two separate trap functions into a single integrated device. The common pan receives condensate from both the heat exchanger and vent tube, and the float mechanism simultaneously controls air inlet for both sources. This consolidation maintains effective condensate drainage while reducing device complexity and installation space requirements.
Solution Approach 2:
The single trap device performs multiple functions: it handles condensate from two different sources (heat exchanger and vent tube), provides air prevention for both sources, and uses a universal float mechanism that responds to condensate from either source. This multi-functionality eliminates the need for separate traps while maintaining drainage effectiveness.
4Reliability
If standing water is maintained in the trap to prevent air entry, then air prevention is improved, but the water is prone to freezing in unheated spaces
Solution Approach 1:
The trap transitions from a static water seal to a dynamic float-controlled mechanism. The float rises with condensate to close the air inlet, providing air prevention only when condensate is present. When condensate drains, the float falls and opens the inlet, allowing the passage to remain dry and preventing freezing in unheated spaces.
Solution Approach 2:
The float mechanism automatically responds to condensate presence without external control. When condensate accumulates, the float self-activates to close the air inlet; when condensate drains, the float self-opens the inlet. This self-service operation eliminates the need for a permanent water seal, keeping the trap dry and freeze-free during idle periods.
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 design effectively prevents air and combustion gases from entering or escaping, allows condensate to flow without impediment, and reduces the risk of freezing and debris accumulation, ensuring continuous furnace operation and efficient condensate drainage.
Implementation Method 1
a float (1250, 1350) configured to move in response to accumulation of condensate within the trap
Implementation Method 2
substantially prevent air from entering the combustion gas containment system
Implementation Method 3
allow condensate to flow from a point of condensate generation within the furnace, without substantial impediment through trap 1000, and to a drain
Data Source
AI summary
Certain exemplary embodiments can provide a system, machine, device, and/or manufacture that is configured for operably releasing condensate from a furnace combustion gas containment system without allowing a substantial quantity of drain air to enter the condensate producing system from a drain or a substantial quantity of combustion gas to flow through the system, machine, device, and/or manufacture.