Condensate Trap Float Design to Prevent Freezing and Air Leakage
Find Innovative SolutionsGenerate Solutions
Solution Overview
Problem
Condensate traps in HVAC systems are prone to freezing and breaking due to water expansion, and dry traps allow gas leakage, leading to damage and inefficiency, especially in cold climates where manual filling is time-consuming and costly.
Innovation Solution
The use of positive and negative pressure traps with a hollow float and annular seat design, where the float moves based on pressure differentials to allow water flow while preventing air leakage, eliminating the need for standing liquid and addressing freezing issues.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If traditional P-traps are used to prevent gas leakage, then air sealing is improved, but the traps are prone to freezing and breaking due to water expansion in cold climates
Solution Approach 1:
The invention extracts the water-holding function from the traditional P-trap design. Instead of relying on standing water to seal the trap, the system uses active pumping to maintain the water seal only when needed, allowing the trap body to remain dry and resistant to freezing damage.
Solution Approach 2:
The invention transitions from a static water seal to a dynamic pumping system. The pump activates only when condensate is present, dynamically maintaining the water seal in the P-trap without requiring continuous standing water, thereby preventing freezing while maintaining air sealing reliability.
2Reliability
If manual filling of P-traps is performed to prevent drying out and gas leakage, then air sealing is maintained, but time and operational costs increase
Solution Approach 1:
The invention implements self-service through an automated pump system that monitors and maintains the water seal in the P-trap without human intervention. The pump activates when condensate is detected and deactivates when the seal is sufficient, eliminating the need for manual filling and maintenance.
Solution Approach 2:
The system incorporates feedback control where the pump operation is determined by the actual conditions in the condensate line. The pump responds to the presence or absence of condensate, automatically adjusting the water seal level in the P-trap to maintain air sealing reliability without manual intervention.
3Reliability
If standing liquid is maintained in traps to prevent gas leakage, then air sealing is improved, but freezing of the standing water causes trap breakage
Solution Approach 1:
The invention extracts the harmful standing water from the trap system, keeping the trap body dry and resistant to freezing. The water seal is maintained only in the P-trap portion when needed for gas leakage prevention, rather than having continuous standing water throughout the condensate line.
Solution Approach 2:
The system dynamically controls the water seal in the P-trap using pump operation. The seal is maintained only when condensate is present and the pump is running, allowing the trap to be dry and freeze-resistant during periods when gas leakage prevention is not required.
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 traps effectively prevent air leakage and water damage by ensuring continuous condensate drainage without manual filling, maintaining system integrity and efficiency across varying temperature conditions.
Implementation Method 1
the float moves based on pressure differentials to allow water flow while preventing air leakage
Implementation Method 2
Condensate traps in HVAC systems are prone to freezing and breaking due to water expansion
Data Source
AI summary
Certain exemplary embodiments can provide a system, machine, assembly, device, and/or manufacture and/or a method for activities that can relate to, a condensate trap that can comprise a float and a housing configured to receive condensate from a condensate-producing source and contain the float, the condensate trap configured to allow condensate to exit from the housing to a condensate drain.