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1. 发明申请

US20190041103A1 Cryogenic Apparatus 审中-公开
公开(公告)号：US20190041103A1
公开(公告)日：2019-02-07
申请号：US15764854
申请日：2016-09-30
申请人： ICEOXFORD LIMITED
发明人： Paul Kelly
IPC分类号： F25B9/10 , F25B9/14
摘要： A cryogenic apparatus (10) comprises: an enclosure (12); a thermo-mechanical cooler (22) and a sample tube (20) that both project into the enclosure (12), where the sample tube (20) has a closed end; a pump (92) with a pump inlet and a pump outlet, and a duct to supply helium gas from the pump outlet to the thermo-mechanical cooler (22) to produce cold helium. The sample tube (20) has a first inlet (74) to allow a fluid into the sample tube (20), and a second inlet (83) to supply fluid to a thermal element (42) in thermal contact with the sample tube (20), and also has a first outlet (26) to withdraw fluid from within the sample tube (20), and a second outlet (28) to withdraw fluid from the thermal element (42). The apparatus also comprises a first duct including a first valve (80) to supply the cold helium to the first inlet (74) and a second duct including a second valve (82) to supply the cold helium to the second inlet (83); and either or both of the first outlet (26) and the second outlet (28) may be connected to the inlet of the pump (92). This enables a specimen to be cooled either in a static mode, relying on natural convection, or in a dynamic mode, with a forced gas flow, or using both modes at once. These different options enable an operator to achieve different cooling rates.

2. 发明授权

US11530845B2 Cryogenic apparatus 有权
公开(公告)号：US11530845B2
公开(公告)日：2022-12-20
申请号：US16496868
申请日：2018-03-21
申请人： ICEoxford Limited
发明人： Gergo Graf , Paul Kelly
IPC分类号： F25B9/10 , F25B9/14 , F25D19/00
摘要： A cryogenic apparatus (10) includes an enclosure (12), a first thermo-mechanical cooler (20) and a second thermo-mechanical cooler (22) which project into the enclosure (12), at least the second thermo-mechanical cooler (22) being a two-stage cooler, and each cooler (20, 22) having a fluid inlet and a fluid outlet for each stage, and a helium gas extraction flow duct (40) which extends into the enclosure (12) and which communicates with a vessel (42) to contain liquid helium within the enclosure (12). There is a first heat exchanger (62) within the gas flow duct (40). A first duct (74) carries cold helium gas from a fluid outlet (73) of the first thermo-mechanical cooler (20) and through the first heat exchanger (62) to the fluid inlet (75) of the second stage of the second thermo-mechanical cooler (22).

3. 发明授权

US11060768B2 Cryogenic apparatus 有权
公开(公告)号：US11060768B2
公开(公告)日：2021-07-13
申请号：US15764854
申请日：2016-09-30
申请人： ICEOXFORD LIMITED
发明人： Paul Kelly
IPC分类号： F25B9/10 , F25B9/14 , F25B9/12 , F25D19/00
摘要： A cryogenic apparatus (10) comprises: an enclosure (12); a thermo-mechanical cooler (22) and a sample tube (20) that both project into the enclosure (12), where the sample tube (20) has a closed end; a pump (92) with a pump inlet and a pump outlet, and a duct to supply helium gas from the pump outlet to the thermo-mechanical cooler (22) to produce cold helium. The sample tube (20) has a first inlet (74) to allow a fluid into the sample tube (20), and a second inlet (83) to supply fluid to a thermal element (42) in thermal contact with the sample tube (20), and also has a first outlet (26) to withdraw fluid from within the sample tube (20), and a second outlet (28) to withdraw fluid from the thermal element (42). The apparatus also comprises a first duct including a first valve (80) to supply the cold helium to the first inlet (74) and a second duct including a second valve (82) to supply the cold helium to the second inlet (83); and either or both of the first outlet (26) and the second outlet (28) may be connected to the inlet of the pump (92). This enables a specimen to be cooled either in a static mode, relying on natural convection, or in a dynamic mode, with a forced gas flow, or using both modes at once. These different options enable an operator to achieve different cooling rates.

4. 发明申请

US20200018524A1 Cryogenic Apparatus 审中-公开
公开(公告)号：US20200018524A1
公开(公告)日：2020-01-16
申请号：US16496868
申请日：2018-03-21
申请人： ICEoxford Limited
发明人： Gergo Graf , Paul Kelly
IPC分类号： F25B9/14 , F25D19/00 , F25B9/10
摘要： A cryogenic apparatus (10) includes an enclosure (12), a first thermo-mechanical cooler (20) and a second thermo-mechanical cooler (22) which project into the enclosure (12), at least the second thermo-mechanical cooler (22) being a two-stage cooler, and each cooler (20, 22) having a fluid inlet and a fluid outlet for each stage, and a helium gas extraction flow duct (40) which extends into the enclosure (12) and which communicates with a vessel (42) to contain liquid helium within the enclosure (12). There is a first heat exchanger (62) within the gas flow duct (40). A first duct (74) carries cold helium gas from a fluid outlet (73) of the first thermo-mechanical cooler (20) and through the first heat exchanger (62) to the fluid inlet (75) of the second stage of the second thermo-mechanical cooler (22).

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