公开(公告)号：US07789194B2

公开(公告)日：2010-09-07

申请号：US11788624

申请日：2007-04-20

申请人： Raymond Lathrop ,  Leslie Hoffman

发明人： Raymond Lathrop ,  Leslie Hoffman

IPC分类号： F01N13/00

CPC分类号： A61M16/0066 ,  A61M16/024 ,  A61M16/1075 ,  A61M16/109 ,  A61M16/16 ,  A61M2205/42 ,  A61M2205/502

摘要： A silencer for a CPAP device comprises a housing assembly defining a flow path passing therethrough and including at least one of an inlet chamber, an acoustic chamber and a blower chamber. Each of the chambers has an inlet and an outlet for fluid communication therebetween. The silencer includes a combination of reactive components, resonators and dissipative elements disposed within the inlet, acoustic and blower chambers. The reactive component may be configured as a compliant-walled reactive tube. The resonator may be configured as a perforated plate defining a cavity volume. The dissipative element may comprise porous material substantially occupying the cavity volume bounded by the perforated plate in the chamber walls.

摘要翻译： 用于CPAP装置的消音器包括限定通过其中的流动路径的壳体组件，并且包括入口室，声学室和鼓风机室中的至少一个。 每个室具有用于在其间流体连通的入口和出口。 消声器包括设置在入口，声学和鼓风机室内的无功部件，谐振器和耗散元件的组合。 反应性组分可以被配置为柔性壁反应管。 谐振器可以被配置为限定空腔体积的多孔板。 耗散元件可以包括基本上占据由室壁中的多孔板界定的空腔体积的多孔材料。

公开(公告)号：US20080257346A1

公开(公告)日：2008-10-23

申请号：US11788624

申请日：2007-04-20

申请人： Raymond Lathrop ,  Leslie Hoffman

发明人： Raymond Lathrop ,  Leslie Hoffman

IPC分类号： A61M16/16

CPC分类号： A61M16/0066 ,  A61M16/024 ,  A61M16/1075 ,  A61M16/109 ,  A61M16/16 ,  A61M2205/42 ,  A61M2205/502

摘要： A silencer for a CPAP device comprises a housing assembly defining a flow path passing therethrough and including at least one of an inlet chamber, an acoustic chamber and a blower chamber. Each of the chambers has an inlet and an outlet for fluid communication therebetween. The silencer includes a combination of reactive components, resonators and dissipative elements disposed within the inlet, acoustic and blower chambers. The reactive component may be configured as a compliant-walled reactive tube. The resonator may be configured as a perforated plate defining a cavity volume. The dissipative element may comprise porous material substantially occupying the cavity volume bounded by the perforated plate in the chamber walls.

摘要翻译： 用于CPAP装置的消声器包括限定通过其中的流动路径的壳体组件，并且包括入口室，声学室和鼓风机室中的至少一个。 每个室具有用于在其间流体连通的入口和出口。 消声器包括设置在入口，声学和鼓风机室内的无功部件，谐振器和耗散元件的组合。 反应性组分可以被配置为柔性壁反应管。 谐振器可以被配置为限定空腔体积的多孔板。 耗散元件可以包括基本上占据由室壁中的多孔板界定的空腔体积的多孔材料。

公开(公告)号：US20070246045A1

公开(公告)日：2007-10-25

申请号：US11787678

申请日：2007-04-17

申请人： Leslie Hoffman

发明人： Leslie Hoffman

IPC分类号： A61M15/00 ,  A61M16/00 ,  A61M15/08

CPC分类号： A61M16/0057 ,  A61M16/0066 ,  A61M16/0683 ,  A61M16/08 ,  A61M16/0825 ,  A61M2205/0266 ,  A61M2205/42 ,  A61M2205/8206 ,  A61M2205/8237 ,  A61M2209/082

摘要： A portable continuous positive airway pressure (CPAP) device is adapted for delivering gas under pressure to a patient. The CPAP device comprises a portable housing assembly, a motor blower unit disposable within the portable housing assembly, a user interface configured to be engaged to the patient, and a patient hose extending between the user interface and the motor blower unit. The portable housing assembly may be comprised or configured as a wearable frontpack assembly which is configured to be worn against the patient's chest. The frontpack assembly may include a pair of shoulder straps configured to extend over the patient's shoulders and under the patient's arms to secure the CPAP device to the patient. The motor blower unit may be remotely disposed from the portable housing assembly such as on a bedside assembly or on a tabletop stand.

摘要翻译： 便携式持续正压通气（CPAP）装置适于将压力下的气体输送给患者。 CPAP装置包括便携式外壳组件，一次性在便携式外壳组件内的电动鼓风机单元，构造成与患者接合的用户界面，以及在用户界面和电动鼓风机单元之间延伸的患者软管。 便携式外壳组件可以包括或构造成可佩戴的前包装组件，其构造成与患者的胸部相配。 前包装组件可以包括一对肩带，其配置成在患者的肩膀上并在病人的手臂下延伸以将CPAP装置固定到患者身上。 马达鼓风机单元可以远离便携式外壳组件，例如在床边组件上或桌面支架上。

公开(公告)号：US4121860A

公开(公告)日：1978-10-24

申请号：US801419

申请日：1977-05-27

申请人： Paul Leslie Hoffman

发明人： Paul Leslie Hoffman

IPC分类号： B64D33/00 ,  F16L27/111 ,  F16L21/00

CPC分类号： F16L27/111

摘要： A heat suppressor for a gas turbine engine is mounted on an aircraft by means separate from the engine mounts. A sleeve apparatus is needed to connect the exhaust duct of the engine to the suppressor duct for continuous flow of turbine gases. The sleeve apparatus is in the form of a bellows to absorb bending forces created by flexing of the air frame. This invention provides a unique connecting assembly to connect the bellows to the engine. The assembly consists of an annular socket fixed to the bellows and constructed to receive a radially extending flange on a connecting shroud fixed to the engine. The flange and socket are slidably engaged to allow twisting movement between the bellows and the engine, while the bellows allows relative displacement of the axes of the connecting passages.

摘要翻译： 用于燃气涡轮发动机的热抑制器通过与发动机支架分离的方式安装在飞行器上。 需要套筒装置将发动机的排气管道连接到用于涡轮机气体连续流动的抑制管道。 套筒装置是波纹管的形式，以吸收由空气框架弯曲产生的弯曲力。 本发明提供了将波纹管连接到发动机的独特的连接组件。 该组件由固定在波纹管上的环形插座组成，并被构造成在固定在发动机上的连接外罩上容纳径向延伸的凸缘。 法兰和插座可滑动地接合，以允许波纹管和发动机之间的扭转运动，同时波纹管允许连接通道的轴线相对移动。

公开(公告)号：US20140148736A1

公开(公告)日：2014-05-29

申请号：US14049734

申请日：2013-10-09

申请人： Leslie Hoffman

发明人： Leslie Hoffman

IPC分类号： A61H1/00

CPC分类号： A61H1/0259 ,  A61H1/024 ,  A61H2201/0176 ,  A61H2201/0192 ,  A61H2201/1215 ,  A61H2201/1642 ,  A61H2201/1671 ,  A61H2201/5038 ,  A61H2203/0456

摘要： An easily dismantled continuous passive motion system for rehabilitating a knee joint with the drive applied directly to the knee joint portion of the device.

摘要翻译： 一种易于拆卸的连续被动运动系统，用于使驱动器直接施加到装置的膝关节部分来恢复膝关节。

公开(公告)号：US07516743B2

公开(公告)日：2009-04-14

申请号：US11787678

申请日：2007-04-17

申请人： Leslie Hoffman

发明人： Leslie Hoffman

IPC分类号： A61M11/00

CPC分类号： A61M16/0057 ,  A61M16/0066 ,  A61M16/0683 ,  A61M16/08 ,  A61M16/0825 ,  A61M2205/0266 ,  A61M2205/42 ,  A61M2205/8206 ,  A61M2205/8237 ,  A61M2209/082

摘要： A portable continuous positive airway pressure (CPAP) device is adapted for delivering gas under pressure to a patient. The CPAP device comprises a portable housing assembly, a motor blower unit disposable within the portable housing assembly, a user interface configured to be engaged to the patient, and a patient hose extending between the user interface and the motor blower unit. The portable housing assembly may be comprised or configured as a wearable frontpack assembly which is configured to be worn against the patient's chest. The frontpack assembly may include a pair of shoulder straps configured to extend over the patient's shoulders and under the patient's arms to secure the CPAP device to the patient. The motor blower unit may be remotely disposed from the portable housing assembly such as on a bedside assembly or on a tabletop stand.

摘要翻译： 便携式持续正压通气（CPAP）装置适于将压力下的气体输送给患者。 CPAP装置包括便携式外壳组件，一次性在便携式外壳组件内的电动鼓风机单元，构造成与患者接合的用户界面，以及在用户界面和电动鼓风机单元之间延伸的患者软管。 便携式外壳组件可以包括或构造成可佩戴的前包装组件，其构造成与患者的胸部相配。 前包装组件可以包括一对肩带，其配置成在患者的肩膀上并在病人的手臂下延伸以将CPAP装置固定到患者身上。 马达鼓风机单元可以远离便携式外壳组件，例如在床边组件上或桌面支架上。

公开(公告)号：US20070089743A1

公开(公告)日：2007-04-26

申请号：US11635338

申请日：2006-12-07

申请人： Leslie Hoffman

发明人： Leslie Hoffman

IPC分类号： A61M16/00

CPC分类号： A61M16/0057 ,  A61M16/021 ,  A61M16/06 ,  A61M2205/8206

摘要： A portable, wearable vest supports an air supply tube to a patient mask or interface in a continuous positive air pressure system. In one embodiment, the vest contains and supports motor and battery components. In another embodiment, the vest couples a remote CPAP unit to a patient interface.

摘要翻译： 便携式可穿戴背心在连续的正压气压系统中将病人面罩或界面的供气管支撑。 在一个实施例中，背心包含并支撑马达和电池组件。 在另一个实施例中，背心将远程CPAP单元耦合到患者接口。

公开(公告)号：US20050012411A1

公开(公告)日：2005-01-20

申请号：US10795207

申请日：2004-03-05

申请人： Leslie Hoffman ,  Barton Kenyon ,  David Sears

发明人： Leslie Hoffman ,  Barton Kenyon ,  David Sears

IPC分类号： F04D25/06 ,  H02K5/22 ,  H02K7/08 ,  H02K7/14 ,  H02K9/00 ,  H02K7/00

CPC分类号： H02K7/14 ,  F04D25/062 ,  F04D25/064 ,  F04D25/0646 ,  H02K5/08 ,  H02K5/225 ,  H02K7/085 ,  Y10T29/49009 ,  Y10T29/49243

摘要： An impeller and at least a portion of a cooperating peripheral volute may be integrated into, and preferably are integrally injection molded with, concentric outer rotor and inner stator assemblies, respectively, to achieve a low profile precision impeller mechanism based on an improved brushless d.c. motor with low length (L) to diameter (D) ratio and suitable for use in a variety of other applications. In one practical embodiment of such a motor, a rotating cap has an inner circumference which is molded about an outer ferromagnetic back ring that in turn supports a permanently magnetized ring shaped rotor magnet having a number of poles of alternating polarity defined about its inner circumference and separated by a relatively small cylindrical air gap from the outwardly projecting radially oriented selectively magnetized poles of a fixed stator assembly. In one exemplary embodiment, the rotor may have 8 poles and the stator may have 9 poles. The fixed stator assembly is preferably integrally molded into a base housing that also includes a precision fixed bearing support that extends upwardly through the center of the stator assembly and that is rotatably coupled to a rotating shaft that extends downwardly from (and preferably is integral with) the center of the rotating cap. A coaxial pair of preloaded ball bearings is preferably supported between an inner cylindrical surface of the fixed bearing support and an outer cylindrical surface of the rotating shaft, to thereby permit the rotor to rotate precisely about the stator with minimal variation in the cylindrical air gap therebetween.

摘要翻译： 一个叶轮和一个配合的周边蜗壳的至少一部分可以分别集成到同心外转子和内定子组件中，并且优选地整体地注塑成型，以实现基于改进的无刷直流电机的低轮廓精密叶轮机构。 电机长度低（L）至直径（D）比，适用于各种其他应用。 在这种电动机的一个实际实施例中，旋转盖具有围绕外侧铁磁背环模制的内圆周，该内圆周背部又支撑永久磁化的环形转子磁体，该永久磁化的环形转子磁体具有围绕其内圆周限定的交替极性的极数， 由相对小的圆柱形气隙与固定定子组件的向外突出的径向定向的选择性磁化极分隔开。 在一个示例性实施例中，转子可以具有8个极，并且定子可以具有9个极。 固定的定子组件优选地一体地模制到基座壳体中，该基座壳体还包括精确的固定轴承支撑件，其向上延伸穿过定子组件的中心并且可旋转地联接到从（并且优选地与其成一体）向下延伸的旋转轴） 旋转盖的中心。 一对同轴的预载球轴承优选地支撑在固定轴承支撑件的内圆柱表面和旋转轴的外圆柱形表面之间，从而允许转子精确地围绕定子旋转，其中圆柱形空气间隙的变化最小 。

公开(公告)号：US08427020B2

公开(公告)日：2013-04-23

申请号：US11786976

申请日：2007-04-13

申请人： Leslie Hoffman ,  Raymond Lathrop

发明人： Leslie Hoffman ,  Raymond Lathrop

IPC分类号： H02K5/24 ,  F04B35/04

CPC分类号： H02K5/24 ,  A61M16/0066 ,  A61M2205/42 ,  F04D25/0606 ,  H02K5/1732 ,  H02K7/14

摘要： A blower assembly comprises a blower housing having a stator assembly integrally formed therewith. The stator assembly includes a stator bore having a rotor magnet rotatable therewithin such that the motor assembly is configured as a brushless D.C. motor. An impeller is mounted on a motor shaft of the motor assembly and has a plurality of vanes extending upwardly therefrom. Each one of the vanes has a vane height which is optimized to minimize the formation of fluid eddy losses during compression of air by the impeller. A bearing assembly rotatably coupling the rotor magnet to the stator assembly is sized and configured to maintain an air gap of approximately 0.0002 inches between the vanes and a housing interior surface of the blower housing during rotation of the impeller.

摘要翻译： 鼓风机组件包括具有与其一体形成的定子组件的鼓风机壳体。 定子组件包括具有可转动的转子磁体的定子孔，使得电动机组件被配置为无刷直流电动机。 叶轮安装在马达组件的马达轴上，并具有从其向上延伸的多个叶片。 每个叶片具有叶片高度，其被优化以最小化由叶轮压缩空气期间的流体涡流损失的形成。 将转子磁体可旋转地联接到定子组件的轴承组件的尺寸和构造被设计成在叶轮旋转期间在叶片与鼓风机壳体的壳体内表面之间保持约0.0002英寸的气隙。

公开(公告)号：US20090302717A1

公开(公告)日：2009-12-10

申请号：US12455461

申请日：2009-06-02

申请人： Leslie Hoffman

发明人： Leslie Hoffman

IPC分类号： H02K9/02

CPC分类号： H02K9/06 ,  H02K9/22 ,  H02K21/222

摘要： The present invention is a brushless electric motor that can be used in high performance applications, such as model airplanes. The rotor assembly, which includes the rotor shaft, encloses a winding core, which is part of a fixed stator assembly. Conducting wire in the armature portion of the stator assembly is wrapped around a set of spokes, extending radially from an inner hub. The spokes are formed from a stack of flat metal laminations, the laminations oriented perpendicular to the rotation axis. The spokes are wrapped with a single layer of copper wire, which is connected to the energy source when the motor is operational. These spokes are long relative to the diameter of the inner hub, leaving V-shaped slots through the winding core. Openings in both end bells allow air to freely flow into the core, cooling the single layer of conducting wire. Using a wedge to force the wire against the spokes during varnishing results in close contact between the wire and the conducting material in the winding core. When the motor is operational, this contact causes the winding core to act as a heat sink, allowing a relatively heavy motor to sustain high power without damage.

摘要翻译： 本发明是一种可用于高性能应用的无刷电动机，如模型飞机。 包括转子轴的转子组件包围作为固定定子组件的一部分的卷绕芯。 在定子组件的电枢部分中的导线被缠绕在一组辐条上，该辐条从内毂径向延伸。 轮辐由一叠平的金属叠片形成，叠片垂直于旋转轴定向。 辐条用一层铜线缠绕，当电机运行时，它连接到能量源。 这些轮辐相对于内毂的直径是长的，留下V形槽穿过卷芯。 两端口的开口允许空气自由流入芯体，冷却单层导线。 在上漆过程中，使用楔形件将电线强制抵抗辐条导致电线与绕组芯体中的导电材料之间的紧密接触。 当电机运行时，此接点会使绕组芯作为散热片，允许较重的电机维持高功率而不会损坏。