Magnetic resonance imaging apparatus and control method for refrigerator
The MRI apparatus extends refrigerator lifespan by maintaining constant pressure and frequency in the superconducting magnet system, reducing replacements and enhancing operational efficiency.
JP2026084434APending Publication Date: 2026-05-21FUJIFILM CORP
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Patent Information
- Authority / Receiving Office
- JP · JP
- Patent Type
- Applications
- Current Assignee / Owner
- FUJIFILM CORP
- Filing Date
- 2024-11-11
- Publication Date
- 2026-05-21
AI Technical Summary
Technical Problem
MRI systems using superconducting coils require frequent refrigerator replacements, leading to downtime and reduced operating efficiency.
Method used
A magnetic resonance imaging apparatus with a superconducting magnet system that includes a cryocooler and a processor to control the compressor and cryocooler inverters, maintaining constant pressure and frequency during imaging operations, thereby reducing wear and extending the lifespan of the refrigerator.
Benefits of technology
This approach extends the lifespan of the refrigerator, reducing the frequency of replacements and improving the operating efficiency of MRI devices by minimizing wear on the cryocooler components.
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Smart Images
Figure 2026084434000001_ABST
Abstract
By extending the lifespan of the refrigeration unit and reducing the frequency of replacement, the operating rate of the MRI system will be improved. [Solution] The processor has a mode for when shooting and a mode for when not shooting. In the shooting mode, the displayer is operated continuously at a constant frequency, regardless of the pressure inside the superconducting magnet container.
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