Angled Feeder Conduit Discharge Manifold to Reduce Vibration
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Solution Overview
Problem
In commercial HVAC systems with multiple compressors in parallel configuration, existing discharge gas manifolds experience significant vibration due to refrigerant gas flow, necessitating additional bracketing to stabilize them, which increases system costs.
Innovation Solution
A discharge gas manifold design featuring a main conduit with angled end and intermediate feeder conduits that reduce turbulent gas flow by aligning refrigerant gas entry with the main conduit axis, minimizing the need for extra bracketing through optimized conduit geometry.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Productivity
If a common discharge line and discharge gas manifold are used to connect multiple compressors, then the HVAC system can efficiently circulate refrigerant gas, but significant vibration occurs due to turbulent gas flow requiring extra bracketing
Solution Approach 1:
The feeder conduits are designed with curved portions that form angles between 0°-60° with the main conduit axis, creating smooth transitions that guide refrigerant gas flow. This curvature eliminates sharp 90° angles, reducing turbulence and vibration while maintaining efficient refrigerant circulation through the discharge manifold
Solution Approach 2:
The invention changes the flow direction parameters by angling the feeder conduits at 0°-60° relative to the main conduit axis instead of using perpendicular connections. This parameter modification optimizes gas flow characteristics, reducing turbulent flow and associated vibration in the discharge manifold
2Object-affected harmful factors
If extra bracketing is added to stabilize the discharge gas manifold against vibration, then vibration is reduced, but system cost increases
Solution Approach 1:
The invention converts the potentially harmful turbulent flow into beneficial laminar flow by designing feeder conduits with smooth curved transitions at 0°-60° angles. This design transformation eliminates the need for additional vibration-reducing bracketing, reducing system complexity and cost while maintaining vibration control
Solution Approach 2:
The discharge manifold design is self-stabilizing through its geometric configuration. The angled feeder conduits inherently reduce turbulence and vibration, making the system self-regulating without requiring external bracketing support, thereby reducing overall system complexity and installation cost
3Ease of operation
If feeder conduits are connected at 90° angles to the main conduit, then installation is simplified, but turbulent flow and vibration increase
Solution Approach 1:
The feeder conduits incorporate curved portions that transition smoothly into the main conduit at angles between 0°-60°, replacing sharp 90° connections. This curvature simplifies the flow path while reducing turbulence, maintaining ease of installation through standardized angular configurations
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 reduces vibration and eliminates the need for extra bracketing, thereby lowering system costs and enhancing operational stability by minimizing turbulent flow and associated vibrations.
Implementation Method 1
The intermediate feeder conduit includes an intermediate first straight portion that forms an angle with the longitudinal axis of the main conduit... reduces the vibration levels of the refrigerant gas entering the main conduit
Data Source
AI summary
A discharge gas manifold having a main conduit, an end feeder conduit, and at least one intermediate feeder conduit, wherein the at least one intermediate feeder conduit contains a portion, adjacent to the main conduit, that forms an angle between 0°-60° with the axis of the main conduit.