Bracket assembly for an HVAC system
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Solution Overview
Problem
Conventional blower mounting systems in HVAC systems experience vibrational forces that cause performance degradation and interference with other components, leading to noise and long-term performance issues due to uncontrolled movement of the blower.
Innovation Solution
A bracket assembly with a base panel, mounting flanges, and an alignment flange, combined with a spring and damper assembly, limits the blower's movement along certain axes while allowing axial movement, thereby mitigating vibrational forces and preventing interference with other HVAC components.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the blower is rigidly mounted to the HVAC unit, then the blower position is stable, but vibrational forces are transferred to other HVAC components causing performance degradation
Solution Approach 1:
A bracket assembly with mounting flanges and alignment flanges is introduced as an intermediary component between the blower and HVAC unit. The bracket includes apertures that receive bolts to connect the blower mounting skid to the HVAC unit, while the alignment flange with its aperture and the spring assembly work together to isolate vibrational forces, preventing their transfer to other HVAC components while maintaining stable blower positioning.
Solution Approach 2:
The spring assembly converts the harmful vibrational forces into beneficial controlled movement. The spring is configured to enable limited axial movement of the blower mounting skid in response to vibrational forces, transforming the harmful vibrations into a controlled compression and expansion of the spring, thereby protecting other HVAC components from damage while maintaining overall system stability.
2Object-generated harmful factors
If the blower is allowed to move freely to mitigate vibrations, then vibrational force transfer is reduced, but the blower may interfere with other HVAC components
Solution Approach 1:
The mounting system transitions from a static rigid connection to a dynamic controlled connection. The spring assembly allows the blower mounting skid to dynamically adjust its position in response to vibrational forces, enabling limited axial movement while the bracket assembly's alignment flange and bolt configuration maintain lateral constraints, preventing interference with other HVAC components.
Solution Approach 2:
The mounting system is segmented into distinct functional components: the bracket assembly for lateral positioning and alignment, the spring assembly for axial vibration isolation, and the bolt connections for secure attachment. This segmentation allows each component to address specific aspects of the contradiction independently, with the bracket preventing lateral interference and the spring managing axial vibrations.
3Ease of manufacture
If conventional mounting systems are used, then installation is simple, but noise and long-term performance issues occur due to uncontrolled movement
Solution Approach 1:
The spring assembly provides self-service vibration isolation without requiring external adjustment or maintenance. The spring automatically compresses and expands in response to vibrational forces, continuously mitigating noise and vibrations throughout the HVAC system's operation, thereby improving long-term reliability while maintaining simple installation through the pre-configured bracket and bolt system.
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 effectively attenuates vibrational forces and reduces noise, while maintaining the blower's position and preventing interference with other components, thus enhancing the performance and longevity of HVAC systems.
Implementation Method 1
The mounting system may include a spring assembly configured to enable limited movement of the blower mounting skid relative to the HVAC unit
Implementation Method 2
The mounting system may include a spring assembly configured to enable limited movement of the blower mounting skid relative to the HVAC unit
Data Source
AI summary
A blower mounting assembly of a heating, ventilation, and/or air conditioning (HVAC) system includes a bracket assembly including a base panel, a plurality of mounting flanges extending from the base panel, and an alignment flange extending from and transverse to the base panel. The blower mounting assembly includes a first mounting aperture extending through the base panel in a first direction and includes second mounting apertures extending through the plurality of mounting flanges in a second direction transverse to the first direction. The blower mounting assembly includes a bolt configured to extend through and slidably engage with an aperture of the alignment flange and a blower mounting skid such that the bolt limits movement of the blower mounting skid relative to the bracket assembly. The aperture of the alignment flange extends through the alignment flange in a third direction transverse to the first mounting aperture and the second mounting apertures.