Dry-Operating Float Trap for Freeze-Safe Condensate Management

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Solution Overview

Problem

Conventional condensate management traps require standing water to prevent airflow, which can freeze in unheated spaces, necessitate deep designs to handle pressure differentials, and often lead to sludge buildup and damage from evaporation, posing installation and operational challenges.

Innovation Solution

A compact condensate management trap that operates dry, using a float mechanism to control condensate flow and prevent gas flow, accommodating various pressure differentials without the need for standing water, thus eliminating freezing risks and reducing installation complexities.

Engineering Contradictions & Design Principles

VSEngineering Contradiction Analysis

1Reliability

If standing water is used to prevent airflow in conventional traps, then gas flow prevention is achieved, but freezing occurs in unheated spaces

Engineering Contradiction:
Improvegas flow preventionVSAvoidfreezing
Core Design Contradiction:
ReliabilityVSObject-affected harmful factors

Solution Approach 1:

The patent removes the standing water requirement from the trap design. Instead of relying on a water seal, the invention uses a mechanical float valve mechanism that operates dry, eliminating the harmful freezing effect while maintaining gas flow prevention capability.

Inventive Principle:
Principle #2Taking out (Extraction)

Solution Approach 2:

The patent replaces the hydraulic seal mechanism (standing water) with a mechanical float-controlled valve system. The float rises with condensate level and mechanically opens the valve, substituting fluid-based sealing with solid-mechanism-based flow control that is immune to freezing.

Inventive Principle:
Principle #28Mechanics substitution (Replace mechanical system)

2Stress or pressure

If deep trap designs are used to handle pressure differentials, then pressure resistance is improved, but installation complexity increases

Engineering Contradiction:
Improvepressure differential handlingVSAvoidinstallation complexity
Core Design Contradiction:
Stress or pressureVSDevice complexity

Solution Approach 1:

The patent employs a dynamic float mechanism that automatically adjusts the valve opening degree in response to varying pressure differentials and condensate flow rates. This dynamic adaptation allows a compact trap design to handle varying pressure conditions without requiring deep installations, simplifying installation while maintaining pressure resistance.

Inventive Principle:
Principle #15Dynamics

Solution Approach 2:

The float valve design allows the trap to adapt to different operating conditions by changing its flow characteristics. The valve opening varies dynamically based on condensate level and pressure, enabling a single compact device to handle a range of pressure differentials without requiring different installation depths.

Inventive Principle:
Principle #35Parameter changes

3Productivity

If conventional traps are used, then condensate drainage is achieved, but sludge buildup and evaporation damage occur

Engineering Contradiction:
Improvecondensate drainageVSAvoidsludge buildup and evaporation damage
Core Design Contradiction:
ProductivityVSObject-generated harmful factors

Solution Approach 1:

The float valve operates periodically, opening only when condensate reaches a certain level and closing when it drains. This intermittent operation prevents standing water from accumulating, thereby eliminating the conditions that lead to sludge buildup and evaporation damage while maintaining effective condensate drainage.

Inventive Principle:
Principle #19Periodic action

Solution Approach 2:

The invention removes the standing water element from the trap operation. By using a float-controlled valve that allows continuous or near-continuous drainage without maintaining a water seal, the design eliminates the stagnant water conditions that cause sludge accumulation and evaporation problems.

Inventive Principle:
Principle #2Taking out (Extraction)

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 solution allows for efficient condensate drainage while preventing gas flow, operates effectively across a range of pressure differentials, and minimizes the risk of freezing and sludge buildup, providing a more reliable and installation-friendly solution compared to traditional traps.

Implementation Method 1

a float (1300) configured to float when a level of condensate therein reaches a predetermined height

Methodology Applied
Scientific EffectBuoyancy: Archimedes' Principle (Buoyancy)

Data Source

PatentEP4047251A1Systems, devices, and/or methods for managing condensate
Publication Date: 2022.08.24 DES CHAMPS NICHOLAS
  • EP4047251A1 patent drawingFigure 1~2
  • EP4047251A1 patent drawingFigure 3
  • EP4047251A1 patent drawingFigure 4~5

AI summary

Certain exemplary embodiments can provide a system, machine, device, and/or manufacture that is configured for operably releasing condensate received from a condensate-producing unit toward a drain without allowing a substantial quantity of gas to flow through the system, machine, device, and/or manufacture, those embodiments including a float and/or a housing.