Cryogenic regenerator material, regenerative cryocooler, and system including regenerative cryocooler
US-2018051916-A1 · Feb 22, 2018 · US
Heat regenerating material, regenerator, refrigerator, superconducting magnet, nuclear magnetic resonance imaging apparatus, nuclear magnetic resonance apparatus, cryopump, and magnetic field application type single crystal pulling apparatus
US11208584B2 · US · B2
| Field | Value |
|---|---|
| Publication number | US-11208584-B2 |
| Application number | US-201916292373-A |
| Country | US |
| Kind code | B2 |
| Filing date | Mar 5, 2019 |
| Priority date | Sep 18, 2018 |
| Publication date | Dec 28, 2021 |
| Grant date | Dec 28, 2021 |
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Abstract
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A heat regenerating material particle according to an embodiment includes a plurality of heat regenerating substance particles having a maximum volume specific heat value of 0.3 J/cm3·K or more at a temperature of 20 K or lower, and a binder bonding the heat regenerating substance particles, the binder containing water insoluble resin. The heat regenerating material particle has a particle diameter of 500 μm or less.
First claim
Opening claim text (preview).
What is claimed is: 1. A regenerator comprising: a plurality of heat regenerating materials, which comprise a plurality of heat regenerating substance particles having a maximum volume specific heat value of 0.3 J/cm 3 ·K or more at a temperature of 20 K or lower; and a binder bonding the heat regenerating substance particles, the binder containing water insoluble resin, wherein the water insoluble resin is a polyvinyl butyral resin, the heat regenerating material has a particle diameter of 500 μm or less, and the binder has an occupancy ratio of more than 5% by volume in the heat regenerating material. 2. A refrigerator comprising the regenerator according to claim 1 . 3. A superconducting magnet comprising the refrigerator according to claim 2 . 4. A nuclear magnetic resonance imaging apparatus comprising the refrigerator according to claim 2 . 5. A nuclear magnetic resonance apparatus comprising the refrigerator according to claim 2 . 6. A cryopump comprising the refrigerator according to claim 2 . 7. A magnetic field application type single crystal pulling apparatus comprising the refrigerator according to claim 2 .
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characterised by the cycle used, e.g. Stirling cycle · CPC title
of silver · CPC title
of metals · CPC title
of copper · CPC title
with several cooling stages · CPC title
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- What does patent US11208584B2 cover?
- A heat regenerating material particle according to an embodiment includes a plurality of heat regenerating substance particles having a maximum volume specific heat value of 0.3 J/cm3·K or more at a temperature of 20 K or lower, and a binder bonding the heat regenerating substance particles, the binder containing water insoluble resin. The heat regenerating material particle has a particle diam…
- Who is the assignee on this patent?
- Toshiba Kk
- What technology area does this patent fall under?
- Primary CPC classification C09K5/14. Mapped technology areas include Chemistry & Metallurgy.
- When was this patent published?
- Publication date Tue Dec 28 2021 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 2 related publications on this page (citations in our corpus or others sharing the same primary CPC).