X-ray CT Cover Elastic Floor Seal
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Solution Overview
Problem
Noise leakage from the X-ray CT system through the space between the floor and the lower edge of the cover, combined with vibration issues due to the varying size of this space, which existing silencing members struggle to adequately address.
Innovation Solution
Incorporating an elastic member along the lower edge of the cover with a restoring force that elastically contacts the floor, effectively sealing the space and reducing noise and vibration.
Engineering Contradictions & Design Principles
Engineering Contradiction Analysis
1Object-affected harmful factors
If the lower edge of the cover is contacted to the floor part, then noise leakage is reduced, but abnormal sounds are generated due to vibration during operation
Solution Approach 1:
The patent applies a flexible elastic member (such as an elastic strip or bumper) along the lower edge of the cover to create a flexible sealing contact with the floor part. This flexible element can adapt to the varying space gap while maintaining noise isolation, and its elastic properties allow it to absorb vibration energy, preventing the generation of abnormal sounds during rotator operation.
Solution Approach 2:
The patent changes the physical state and mechanical properties of the contact interface by introducing an elastic member with specific material properties (elasticity, damping characteristics). This allows the contact interface to dynamically adjust to vibration forces and space variations, transforming the rigid contact into a compliant connection that reduces both noise leakage and abnormal sound generation.
2Object-affected harmful factors
If existing silencing members are used to close the space, then noise reduction is attempted, but the varying size of the space prevents sufficient noise reduction
Solution Approach 1:
The patent replaces static silencing members with a dynamic elastic member that can adapt its shape and contact pressure in response to varying space conditions. The elastic member's ability to deform and conform to different gap sizes allows it to effectively seal the space between the cover and floor part regardless of product precision or assembling precision variations, achieving sufficient noise reduction across different installation scenarios.
Solution Approach 2:
The elastic member acts as a flexible sealing element that can accommodate the varying space gap through elastic deformation. Unlike rigid silencing members, this flexible element can adapt to different gap dimensions while maintaining continuous contact, ensuring effective noise isolation throughout the varying space.
3Object-generated harmful factors
If the space between the floor part and the lower edge of the cover is left open, then vibration is reduced, but noise leakage occurs from the inside of the cover
Solution Approach 1:
The elastic member serves as a flexible barrier that partially contacts the floor part to seal the space and prevent noise leakage, while its elastic properties allow it to absorb rather than transmit vibration energy. This creates a contact interface that simultaneously addresses both noise isolation and vibration reduction requirements.
Solution Approach 2:
The elastic member acts as an intermediary element between the cover and floor part, mediating the interaction between these two components. It provides the necessary sealing function to prevent noise leakage while its compliant nature allows it to absorb vibration, effectively mediating between the conflicting requirements of noise isolation and vibration reduction.
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 elastic member successfully reduces noise leakage and vibration, improving the silencing effect while accommodating variations in the space size, enhancing the overall operational quietness and stability of the X-ray CT system.
Implementation Method 1
The elastic member is mounted along the lower edge of the cover, has restoring force, and is elastically in contact with the floor part against the restoring force
Data Source
AI summary
An X-ray CT system including: a rotator including an X-ray tube installed therein; a gantry, arranged on a floor part, and configured to rotatably support the rotator; a cover configured to cover the rotator and the gantry from the outside; and an elastic member, and mounted along the lower edge of the cover, having restoring force, and configured to elastically be in contact with the floor part against the restoring force. The X-ray CT system can reduce noise from inside of the cover.