公开(公告)号：US20130154779A1

公开(公告)日：2013-06-20

申请号：US13769062

申请日：2013-02-15

申请人： Boston Scientific SciMed, Inc.

发明人： Donald Masters ,  Stuart L. Carp ,  Peter Thornton

IPC分类号： H01F21/06

CPC分类号： H01F21/06 ,  A61B8/12 ,  A61B8/4461 ,  A61B2562/227 ,  H01F27/02 ,  H01F38/18

摘要： Described herein are rotary transformers for coupling signals between components that rotate relative to one another. In an exemplary embodiment, a rotary transformer comprises a rotary shaft, a first magnetic core on the rotary shaft, and a first winding wound around the first magnetic core. The rotary transformer farther comprises a hollow second magnetic core, and a second winding wound along the inner wall of the second magnetic core. During operation, the first winding on the rotary shaft rotates within the second winding with the magnetic cores magnetically coupling signals between the two windings. Also, the first and second windings are closely spaced to provide capacitive coupling between the windings that extends the frequency response of the transformer. In one embodiment, the windings comprises substantially flat conductors wound in the shape of the windings. In another embodiment, each of the windings comprises circular loops connected by jogs.

摘要翻译： 这里描述的是用于在相对于彼此旋转的部件之间耦合信号的旋转变压器。 在示例性实施例中，旋转变压器包括旋转轴，旋转轴上的第一磁芯和围绕第一磁芯缠绕的第一绕组。 旋转变压器还包括中空的第二磁芯和沿着第二磁芯的内壁缠绕的第二绕组。 在操作期间，旋转轴上的第一绕组在第二绕组内旋转，磁芯在两个绕组之间磁耦合信号。 此外，第一和第二绕组紧密间隔以提供绕组之间的电容耦合，其延伸变压器的频率响应。 在一个实施例中，绕组包括缠绕成绕组形状的基本平坦的导体。 在另一个实施例中，每个绕组包括通过点动连接的圆形回路。

公开(公告)号：US08847718B2

公开(公告)日：2014-09-30

申请号：US13769062

申请日：2013-02-15

申请人： Boston Scientific SciMed, Inc.

发明人： Donald Masters ,  Stuart L. Carp ,  Peter Thornton

IPC分类号： H01F21/00 ,  H01F38/18 ,  H01F21/06 ,  A61B8/00 ,  A61B8/12 ,  H01F27/02

CPC分类号： H01F21/06 ,  A61B8/12 ,  A61B8/4461 ,  A61B2562/227 ,  H01F27/02 ,  H01F38/18

摘要： Described herein are rotary transformers for coupling signals between components that rotate relative to one another. In an exemplary embodiment, a rotary transformer comprises a rotary shaft, a first magnetic core on the rotary shaft, and a first winding wound around the first magnetic core. The rotary transformer farther comprises a hollow second magnetic core, and a second winding wound along the inner wall of the second magnetic core. During operation, the first winding on the rotary shaft rotates within the second winding with the magnetic cores magnetically coupling signals between the two windings. Also, the first and second windings are closely spaced to provide capacitive coupling between the windings that extends the frequency response of the transformer. In one embodiment, the windings comprises substantially flat conductors wound in the shape of the windings. In another embodiment, each of the windings comprises circular loops connected by jogs.

摘要翻译： 这里描述的是用于在相对于彼此旋转的部件之间耦合信号的旋转变压器。 在示例性实施例中，旋转变压器包括旋转轴，旋转轴上的第一磁芯和围绕第一磁芯缠绕的第一绕组。 旋转变压器还包括中空的第二磁芯和沿着第二磁芯的内壁缠绕的第二绕组。 在操作期间，旋转轴上的第一绕组在第二绕组内旋转，磁芯在两个绕组之间磁耦合信号。 此外，第一和第二绕组紧密间隔以提供绕组之间的电容耦合，其延伸变压器的频率响应。 在一个实施例中，绕组包括缠绕成绕组形状的基本平坦的导体。 在另一个实施例中，每个绕组包括通过点动连接的圆形回路。