Conduit fitting with integrated condensate trap
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Solution Overview
Problem
Current designs for high-efficiency condensing-type gas-burning appliances often fail to ensure proper neutralization of acidic condensate, risking damage to piping systems and requiring additional installation steps that may be overlooked, and are aesthetically or functionally awkward.
Innovation Solution
A conduit fitting with an integrated condensate trap and neutralizing agent reservoir that separates condensate from exhaust gases, allowing for efficient neutralization and safe drainage, while maintaining structural integrity and draft pressure.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Reliability
If a separate neutralizing cartridge or vessel is installed in the drain line, then acidic condensate neutralization is achieved, but the device complexity increases and installation may be overlooked
Solution Approach 1:
The patent combines the neutralizing agent reservoir and the condensate trap into a single integrated conduit fitting. The fitting includes a body with a condensate collection chamber and an integrated neutralizing agent reservoir that releases neutralizing agent directly into the condensate, eliminating the need for separate neutralizing cartridges or vessels in the drain line.
Solution Approach 2:
The conduit fitting serves multiple functions simultaneously: it acts as an elbow or tee fitting for exhaust gas flow, a condensate trap for collecting acidic condensate, and a neutralizing agent dispenser. This multi-functionality reduces the number of separate components needed while ensuring reliable neutralization.
2Reliability
If a separate neutralizing vessel is used, then neutralization function is provided, but the ease of operation decreases due to additional installation steps
Solution Approach 1:
The neutralizing agent reservoir is integrated directly into the conduit fitting body, so installers only need to install one component rather than multiple separate parts. The fitting includes instructions indicating that the neutralizing agent reservoir is pre-filled and requires no additional installation steps.
3Reliability
If condensate volume is high, then neutralization is needed, but the aesthetic appearance and space requirements worsen with separate vessels
Solution Approach 1:
The neutralizing agent reservoir is integrated within the compact conduit fitting body rather than requiring a separate external vessel. This integration significantly reduces the space occupied and improves the aesthetic appearance, especially in high-efficiency appliances where condensate volume can be substantial.
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
Ensures effective neutralization of acidic condensate, preventing damage to systems and simplifying installation by integrating the neutralization process within the conduit fitting, ensuring compliance with codes and reducing the risk of overlooked installations.
Implementation Method 1
the partition defines a first opening that fluidly connects the upper interior portion to the lower interior portion
Implementation Method 2
the flue gas drops below its dew point and vapor present in the flue gas starts to condense
Data Source
AI summary
A conduit fitting for an exhaust duct includes a conduit and a condensate trap. The conduit fitting defines an interior space partitioned into an upper conduit and a lower condensate reservoir. The condensate reservoir can be configured to contain a neutralizing agent for neutralizing acidic condensate prior to it exiting the reservoir.