Central Vacuum Motor Mount With Resilient Clamps for Noise Isolation
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Solution Overview
Problem
Central vacuum cleaners face challenges in reducing operating noise, simplifying manufacturing and service, and improving operating performance, with existing solutions not adequately addressing these issues.
Innovation Solution
The design incorporates a suction motor mounting system with a resilient gasket and toggle clamps to reduce vibration and noise transmission, along with a modular structure for easier assembly and maintenance, including a removable ECU and improved filter bag sealing to enhance airflow and dirt collection efficiency.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Stability of the object's composition
If the suction motor is rigidly mounted to the main housing, then structural stability is improved, but vibration and noise transmission increase
Solution Approach 1:
A resilient mounting system acts as an intermediary between the suction motor and the main housing, providing mechanical support while isolating vibrations and noise through elastic deformation of the resilient material
Solution Approach 2:
The mounting system combines rigid mounting brackets for structural stability with resilient mounting material (such as rubber or foam) to create a composite structure that simultaneously provides mechanical support and vibration isolation
2Power
If the suction motor is made heavy and powerful, then suction performance is improved, but ease of installation and serviceability deteriorate
Solution Approach 1:
The suction motor is segmented from the main housing as a separate, removable component that can be independently installed and serviced, allowing heavy powerful motors to be used without compromising ease of installation through modular design
3Object-generated harmful factors
If complex sound-reducing systems are implemented, then noise reduction is improved, but device complexity increases
Solution Approach 1:
The noise isolation function is extracted from the main housing structure and implemented through dedicated resilient mounting elements, simplifying the overall design by separating vibration isolation from structural support functions
Solution Approach 2:
Resilient mounting material serves as an intermediary that passively reduces noise transmission through material damping and elastic isolation, eliminating the need for active noise control systems or complex acoustic enclosures
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
This solution effectively reduces operating noise, simplifies the manufacturing and servicing of central vacuum cleaners, and enhances their operating performance by minimizing vibration and noise transmission, while allowing for easier maintenance and improved airflow and dirt collection.
Implementation Method 1
The resilient member and the mounting flange gasket being selected from one or more materials to reduce transmission of vibrations from the suction motor to the main housing
Data Source
AI summary
A central vacuum cleaner having a main housing, a suction chamber located inside the main housing, a shelf extending from the main housing into the suction chamber, a suction chamber inlet providing a fluid passage through the main housing into the suction chamber, a suction motor having a suction motor inlet in fluid communication with the suction chamber and configured to generate a flow of air from the suction chamber inlet to the suction chamber and into the suction motor inlet, a mounting flange extending from the suction motor towards the main housing, and a number of clamps. Each clamp is movably mounted to the mounting flange and has a first end movable between a locked position in which the shelf is held between the first end and the mounting flange, and an unlocked position in which the shelf is not held between the first end and the mounting flange.