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1. 发明公开

EP2549202A3 Cryogen-free cooling system for electron paramagnetic resonance spectrometer 有权
标题翻译： KyrogenfreiesKühlsystemfüreine elektronenparamagnetisches Resonanzspektrometer
公开(公告)号：EP2549202A3
公开(公告)日：2016-01-27
申请号：EP12175847.8
申请日：2012-07-11
申请人： ColdEdge Technologies, Inc.
发明人： Heiss, Arthur H. , Khatri, Ajay
IPC分类号： F25B9/02
CPC分类号： F25B9/02 , F25B25/00 , G01N24/10 , G01R33/31 , G01R33/38 , G01R33/3806 , G01R33/60
摘要： In an electron paramagnetic resonance spectrometer, a closed cycle cryocooler is used to cool gaseous helium, which is then circulated around a sample to cool the sample by direct convection. Since the sample is not mechanically connected to the refrigerator, no vibrations are transmitted from the refrigerator to the sample and the sample can be quickly removed and replaced. The cooled helium can be passed through a Joule-Thomson expansion device before circulating the cooled helium around the sample to further cool the helium. In addition, a vacuum pump can be connected to the helium outlet after circulating the cooled helium around the sample to increase the pressure differential across the Joule-Thomson expansion device and further cool the helium. In order to raise the temperature of the cooled helium, a heater can be placed about the cooled helium line upstream from the sample.
摘要翻译：在电子顺磁共振光谱仪中，使用封闭循环的低温冷却器来冷却气态氦气，然后将其循环在样品周围，通过直接对流冷却样品。由于样品没有机械地连接到冰箱，所以没有振动从冰箱传输到样品，并且可以快速地取出和更换样品。冷却的氦气可以通过焦耳 - 汤姆森膨胀装置，然后将冷却的氦气循环到样品周围，以进一步冷却氦气。此外，在将冷却的氦循环到样品周围之后，可以将真空泵连接到氦出口，以增加焦耳 - 汤姆森膨胀装置上的压差，并进一步冷却氦气。为了提高冷却氦的温度，可以在样品上游的冷却氦管线周围放置加热器。

2. 发明公开

EP2549202A2 Cryogen-free cooling system for electron paramagnetic resonance spectrometer 有权
标题翻译： Kyrogenfreies用于电子顺磁共振光谱仪的冷却系统
公开(公告)号：EP2549202A2
公开(公告)日：2013-01-23
申请号：EP12175847.8
申请日：2012-07-11
申请人： ColdEdge Technologies, Inc.
发明人： Heiss, Arthur H. , Khatri, Ajay
IPC分类号： F25B9/02
CPC分类号： F25B9/02 , F25B25/00 , G01N24/10 , G01R33/31 , G01R33/38 , G01R33/3806 , G01R33/60
摘要： In an electron paramagnetic resonance spectrometer, a closed cycle cryocooler is used to cool gaseous helium, which is then circulated around a sample to cool the sample by direct convection. Since the sample is not mechanically connected to the refrigerator, no vibrations are transmitted from the refrigerator to the sample and the sample can be quickly removed and replaced. The cooled helium can be passed through a Joule-Thomson expansion device before circulating the cooled helium around the sample to further cool the helium. In addition, a vacuum pump can be connected to the helium outlet after circulating the cooled helium around the sample to increase the pressure differential across the Joule-Thomson expansion device and further cool the helium. In order to raise the temperature of the cooled helium, a heater can be placed about the cooled helium line upstream from the sample.

3. 发明公开

EP2620782A1 Ultra-low vibration cryogen-free cryostat for an electron paramagnetic resonance system 有权
标题翻译： Vibrationsunterdrückterkryogenfreier Kryostatfürein System der paramagnetisches Elektronenresonanz
公开(公告)号：EP2620782A1
公开(公告)日：2013-07-31
申请号：EP13152647.7
申请日：2013-01-25
申请人： ColdEdge Technologies, Inc.
发明人： Heiss, Arthur H. , Khatri, Ajay
IPC分类号： G01R33/30
CPC分类号： G01R33/30 , G01R33/60
摘要： A closed cycle cryocooler (102) is thermally connected to an elongated, cup-shaped sample well (122) and cools down the sample well. Gaseous helium at a relatively low pressure is introduced into the sample well so that, as the sample well is cooled by the cryocooler, the gas in the sample well is also cooled. A sample is attached to a sample stick assembly (400) which is then lowered into the sample well where the sample is cooled by the cooled gas to carryout experiments at low temperature. The sample stick assembly is mechanically attached to the spectrometer magnets and a flexible rubber bellows (144) connects the sample stick assembly to the sample well so that vibration generated by the cryocooler is not transferred to the sample.
摘要翻译：闭合循环的低温冷却器（102）热连接到细长的杯状样品孔（122）并冷却样品井。将相对较低压力的气态氦气引入到样品阱中，使得当样品阱被低温冷却器冷却时，样品井中的气体也被冷却。将样品连接到样品棒组件（400），然后将样品棒组件（400）降低到样品池中，其中样品被冷却的气体冷却以在低温下进行实验。样品棒组件机械连接到光谱仪磁体，并且柔性橡胶波纹管（144）将样品棒组件连接到样品阱，使得由低温冷却器产生的振动不被转移到样品。

4. 发明授权

EP2549202B1 Liquid Helium-free cooling system for electron paramagnetic resonance spectrometer 有权
标题翻译：用于电子顺磁共振波谱仪的液体无氦冷却系统
公开(公告)号：EP2549202B1
公开(公告)日：2018-03-28
申请号：EP12175847.8
申请日：2012-07-11
申请人： ColdEdge Technologies, Inc.
发明人： Heiss, Arthur H. , Khatri, Ajay
IPC分类号： F25B9/02 , G01R33/31
CPC分类号： F25B9/02 , F25B25/00 , G01N24/10 , G01R33/31 , G01R33/38 , G01R33/3806 , G01R33/60
摘要： In an electron paramagnetic resonance spectrometer, a closed cycle cryocooler is used to cool gaseous helium, which is then circulated around a sample to cool the sample by direct convection. Since the sample is not mechanically connected to the refrigerator, no vibrations are transmitted from the refrigerator to the sample and the sample can be quickly removed and replaced. The cooled helium can be passed through a Joule-Thomson expansion device before circulating the cooled helium around the sample to further cool the helium. In addition, a vacuum pump can be connected to the helium outlet after circulating the cooled helium around the sample to increase the pressure differential across the Joule-Thomson expansion device and further cool the helium. In order to raise the temperature of the cooled helium, a heater can be placed about the cooled helium line upstream from the sample.

5. 发明授权

EP2620782B1 Ultra-low vibration cryogen-free cryostat for an electron paramagnetic resonance system 有权
标题翻译：振动抑制的kryogenfreier低温恒温器的顺电子共振系统
公开(公告)号：EP2620782B1
公开(公告)日：2016-03-30
申请号：EP13152647.7
申请日：2013-01-25
申请人： ColdEdge Technologies, Inc.
发明人： Heiss, Arthur H. , Khatri, Ajay
IPC分类号： G01R33/30
CPC分类号： G01R33/30 , G01R33/60

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