公开(公告)号：US10527320B2

公开(公告)日：2020-01-07

申请号：US16005340

申请日：2018-06-11

Applicant: Chart Inc.

Inventor： John A. Corey ,  Douglas Alan Wilcox, II

IPC: F25B9/00 ,  F25B9/14 ,  H02K33/00 ,  H02K33/16 ,  H02K3/32 ,  H02K3/38 ,  F04B35/04 ,  F04B35/00

Abstract: A cryocooler is described that can include a pressure wave generator, and a refrigeration device (for example, a cold-head), which can be used to liquefy a gas when the gas is exposed to a surface of the refrigeration device. The pressure wave generator can include one or more motors. Each motor can include a stator, and at least one electrical coil wound around a portion of the stator. The electrical coil can generate a reversing magnetic field when alternating electric current is passed through the electrical coil. The motor can further include a pressurized container that can be placed within the space enclosed by the stator, and a piston that can be placed inside the pressurized container. The stators can be placed external to the pressurized container. The piston is made by combining magnets that have opposite and transverse polarities, and are combined adjacently on a common reciprocating axis.

公开(公告)号：US20150033767A1

公开(公告)日：2015-02-05

申请号：US14450142

申请日：2014-08-01

Applicant: Chart Inc.

Inventor： John A. Corey ,  Douglas Alan Wilcox, II

IPC: F25B9/14 ,  H02K33/16 ,  F04B35/04 ,  H02K1/34

CPC classification number: F25B9/14 ,  F04B35/004 ,  F04B35/04 ,  F25B2309/001 ,  H02K33/16

Abstract: A cryocooler is described that can include a pressure wave generator, and a refrigeration device (for example, a coldhead), which can be used to liquefy a gas when the gas is exposed to a surface of the refrigeration device. The pressure wave generator can include one or more motors. Each motor can include a stator, and at least one electrical coil wound around a portion of the stator. The electrical coil can generate a reversing magnetic field when alternating electric current is passed through the electrical coil. The motor can further include a pressurized container that can be placed within the space enclosed by the stator, and a piston that can be placed inside the pressurized container. The stators can be placed external to the pressurized container. The piston is made by combining magnets that have opposite and transverse polarities, and are combined adjacently on a common reciprocating axis.

Abstract translation: 描述了一种低温冷却器，其可以包括压力波发生器和制冷装置（例如，冷头），当气体暴露于制冷装置的表面时，其可以用于液化气体。 压力波发生器可以包括一个或多个电动机。 每个电动机可以包括定子和围绕定子的一部分缠绕的至少一个电线圈。 当交流电流通过电线圈时，电线圈可产生反转磁场。 电动机还可以包括可以放置在由定子包围的空间内的加压容器，以及可以放置在加压容器内部的活塞。 定子可以放置在加压容器的外部。 活塞通过组合具有相反极性和横向极性的磁体制成，并且在公共往复轴上相邻组合。

公开(公告)号：US20180356131A1

公开(公告)日：2018-12-13

申请号：US16005340

申请日：2018-06-11

Applicant: Chart Inc.

Inventor： John A. Corey

IPC: F25B9/14 ,  F04B35/00 ,  F04B35/04 ,  H02K33/16

Abstract: A cryocooler is described that can include a pressure wave generator, and a refrigeration device (for example, a cold-head), which can be used to liquefy a gas when the gas is exposed to a surface of the refrigeration device. The pressure wave generator can include one or more motors. Each motor can include a stator, and at least one electrical coil wound around a portion of the stator. The electrical coil can generate a reversing magnetic field when alternating electric current is passed through the electrical coil. The motor can further include a pressurized container that can be placed within the space enclosed by the stator, and a piston that can be placed inside the pressurized container. The stators can be placed external to the pressurized container. The piston is made by combining magnets that have opposite and transverse polarities, and are combined adjacently on a common reciprocating axis.