公开(公告)号：US06490184B2

公开(公告)日：2002-12-03

申请号：US09811117

申请日：2001-03-16

申请人： Jian Jiang ,  Wei Chen ,  Chau-Chun Wen

发明人： Jian Jiang ,  Wei Chen ,  Chau-Chun Wen

IPC分类号： H02M542

CPC分类号： H02M1/16 ,  H02M3/33561

摘要： The present invention discloses forward power converter. The power converter includes a transformer for transferring an input voltage from a primary side to a secondary side. The secondary side includes a main output voltage loop and at least one auxiliary output loop connected with a magnetic amplifier. A pulse width modulation (PWM) controller controls a switch on the primary side of the transformer for turning on the switch and turning off the main output voltage loop and the auxiliary output voltage loop for storing a magnetizing energy on windings of the secondary side. The magnetic amplifier includes a first and a second magnetization windings controlled by a first and a second control circuits respectively for providing a positive and negative magnetization current to carrying out a bi-directional magnetization process to achieve expanded load range operable for the forward power converter.

摘要翻译： 本发明公开了前向功率转换器。 功率转换器包括用于将输入电压从初级侧传送到次级侧的变压器。 次级侧包括主输出电压回路和至少一个与磁放大器连接的辅助输出回路。 脉冲宽度调制（PWM）控制器控制变压器初级侧的开关，用于接通开关，并关闭主输出电压回路和辅助输出电压回路，用于在次级侧的绕组上存储励磁能。 磁放大器包括分别由第一和第二控制电路控制的第一和第二磁化绕组，用于提供正和负的磁化电流以执行双向磁化处理，以实现可运行于正向功率转换器的扩展负载范围。

公开(公告)号：US06483726B2

公开(公告)日：2002-11-19

申请号：US09798323

申请日：2001-03-02

申请人： Wei Chen ,  Jian Jiang ,  Chau-Chun Wen

发明人： Wei Chen ,  Jian Jiang ,  Chau-Chun Wen

IPC分类号： H02M3335

CPC分类号： H02M1/16 ,  H02M3/33561

摘要： A flyback power converter includes a transformer for transferring an input voltage from a primary side to a secondary side. The secondary side includes a main output voltage loop and at least one auxiliary output loop connected with a magnetic amplifier. A pulse width modulation (PWM) controller controls a switch on the primary side of the transformer for turning on the switch and turning off the main output voltage loop and the auxiliary output voltage loop for storing a magnetizing energy on windings of the secondary side. The PWM controller further turns off the switch and turning on the main output voltage loop for providing a main voltage output and for magnetizing the magnetic amplifier connected to the auxiliary output voltage loop. The magnetic amplifier functioning as an auxiliary-loop switch for turning on the auxiliary output voltage loop when the magnetic amplifier is saturated with magnetization and turning off the main voltage output voltage loop for providing an auxiliary output voltage. A time-shared energy transfer mechanism is provided between the main output voltage loop and the auxiliary output voltage loop to fully utilize the entire duty cycle.

摘要翻译： 反激式功率转换器包括用于将输入电压从初级侧传送到次级侧的变压器。 次级侧包括主输出电压回路和至少一个与磁放大器连接的辅助输出回路。 脉冲宽度调制（PWM）控制器控制变压器初级侧的开关，用于接通开关，并关闭主输出电压回路和辅助输出电压回路，用于在次级侧的绕组上存储励磁能。 PWM控制器进一步关闭开关并接通主输出电压回路以提供主电压输出，并用于磁化连接到辅助输出电压回路的磁放大器。 磁放大器用作辅助回路开关，用于当磁放大器饱和磁化时接通辅助输出电压回路，并关闭主电压输出电压回路以提供辅助输出电压。 在主输出电压环路和辅助输出电压环路之间提供时间共享的能量传递机制，以充分利用整个占空比。

公开(公告)号：US08680837B2

公开(公告)日：2014-03-25

申请号：US13048534

申请日：2011-03-15

申请人： Jian-Hong Zeng ,  Jian Jiang ,  Qifeng Ye ,  Jian-Ping Ying

发明人： Jian-Hong Zeng ,  Jian Jiang ,  Qifeng Ye ,  Jian-Ping Ying

IPC分类号： H03K17/687 ,  G05F1/46

CPC分类号： H03K17/691 ,  H03K17/6877

摘要： A driver for driving a driving element includes: a signal source, for providing a square signal; a first modulation circuit, for providing on-pulses and off-pulses according to edges of the square signal; a transformer for coupling output signals of the first modulation circuit to a secondary winding of the transformer to form coupled signals; a second modulation circuit for providing first operating pulses according to coupled on-pulses of the coupled signals, and providing second operating pulses according to coupled off-pulses of the coupled signals; a switch device for turning off the switch device according to the first operating pulses and turning on the switch device according to the second operating pulses, and when the switch device is turned off, coupled on-pulses charge an equivalent capacitor of the driving element to a first driving potential to turn on the driving element, and when the switch device is turned off, the equivalent capacitor discharges to a second driving potential to turn off the driving element, and the width of the on-pulses is less than 1000 ns.

摘要翻译： 用于驱动驱动元件的驱动器包括：信号源，用于提供平方信号; 第一调制电路，用于根据平方信号的边缘提供导通脉冲和截止脉冲; 用于将所述第一调制电路的输出信号耦合到所述变压器的次级绕组以形成耦合信号的变压器; 第二调制电路，用于根据耦合信号的耦合接通脉冲提供第一工作脉冲，并根据耦合信号的耦合关断脉冲提供第二工作脉冲; 开关装置，用于根据第一操作脉冲关闭开关装置，并根据第二操作脉冲接通开关装置，并且当开关装置关闭时，将驱动元件的等效电容器的接通脉冲充电到 导通驱动元件的第一驱动电位，并且当开关器件关断时，等效电容器放电到第二驱动电位以关断驱动元件，并且导通脉冲的宽度小于1000ns。

公开(公告)号：US20130229836A1

公开(公告)日：2013-09-05

申请号：US13615932

申请日：2012-09-14

申请人： Bin Wang ,  Hongyang Wu ,  Jian Jiang ,  Jingtao Tan ,  Yaping Yang

发明人： Bin Wang ,  Hongyang Wu ,  Jian Jiang ,  Jingtao Tan ,  Yaping Yang

IPC分类号： H02M1/12 ,  H03K5/00

CPC分类号： H02M1/12 ,  H02M7/5387 ,  H02M2001/0067

摘要： A multiple inverter and an active power filter system are disclosed in the invention, said multiple inverter can decrease the volume and harmonics, increase the efficiency and decrease the cost, and can be applied to various occasions. The technical scheme is: the filter assembly in the multiple inverter is installed at the output inductor of the multiple inverter for filtering the harmonics.

摘要翻译： 本发明公开了一种多重逆变器和有源电力滤波器系统，所述多个逆变器可以减小体积和谐波，提高效率并降低成本，并且可以应用于各种场合。 技术方案是：多反相器中的滤波器组件安装在多反相器的输出电感器上，用于滤波谐波。

公开(公告)号：US20110112315A1

公开(公告)日：2011-05-12

申请号：US12943138

申请日：2010-11-10

申请人： Mayfair C. Kung ,  Harold H. Kung ,  Jian Jiang

发明人： Mayfair C. Kung ,  Harold H. Kung ,  Jian Jiang

IPC分类号： C07D301/06

CPC分类号： C07D301/06

摘要： Methods for the epoxidation of alkenes are provided. The methods include the steps of exposing the alkene to a two-component catalyst system in an aqueous solution in the presence of carbon monoxide and molecular oxygen under conditions in which the alkene is epoxidized. The two-component catalyst system comprises a first catalyst that generates peroxides or peroxy intermediates during oxidation of CO with molecular oxygen and a second catalyst that catalyzes the epoxidation of the alkene using the peroxides or peroxy intermediates. A catalyst system composed of particles of suspended gold and titanium silicalite is one example of a suitable two-component catalyst system.

摘要翻译： 提供烯烃环氧化方法。 所述方法包括在烯烃被环氧化的条件下，在一氧化碳和分子氧的存在下，在水溶液中将烯烃暴露于双组分催化剂体系的步骤。 双组分催化剂体系包括在分子氧氧化CO期间产生过氧化物或过氧化物中间体的第一催化剂和使用过氧化物或过氧化物中间体催化烯烃的环氧化的第二催化剂。 由悬浮金和钛硅沸石的颗粒组成的催化剂体系是合适的双组分催化剂体系的一个实例。

公开(公告)号：US20050072428A1

公开(公告)日：2005-04-07

申请号：US10953642

申请日：2004-09-29

申请人： Peter Ho ,  Lance Busch ,  Jian Jiang

发明人： Peter Ho ,  Lance Busch ,  Jian Jiang

IPC分类号： A61H20060101 ,  A61M16/06 ,  A62B18/08

CPC分类号： A61M16/06 ,  A61M16/0638 ,  A61M16/0644 ,  A61M16/0655 ,  A61M16/0694

摘要： A patient interface gas delivery mask having a forehead and chin support system including a forehead support, a chin support, and a system for supplying a flow of gas to a patient that incorporates such a mask, forehead support, and chin support. The forehead support includes a supporting arm which is adjustably mounted to the mask shell, thereby allowing the adjustment of the distance between the forehead support bracket and the mask shell in order to adjust for patient's of different sizes. A forehead support bracket is pivotally connected to the support arm. Likewise the chin support is also adjustably mounted to the mask shell.

摘要翻译： 具有前额和下巴支撑系统的患者界面气体输送掩模，其包括前额支撑件，下巴支撑件和用于向结合了这种面罩，前额支撑件和下巴支撑件的患者提供气体流的系统。 前额支撑件包括可调节地安装到面罩壳的支撑臂，从而允许调整前额支撑支架和面罩壳之间的距离，以便调整不同尺寸的患者。 前额支撑托架枢转地连接到支撑臂。 同样，下巴支撑也可调节地安装在面罩壳体上。

公开(公告)号：US06559276B2

公开(公告)日：2003-05-06

申请号：US09984070

申请日：2001-10-26

申请人： Tsuyoshi Okubo ,  Jian Jiang

发明人： Tsuyoshi Okubo ,  Jian Jiang

IPC分类号： C08G7504

CPC分类号： C08G75/08 ,  C07C319/24 ,  G02B1/04 ,  C08L81/00 ,  C07C321/06

摘要： Asymmetric disulfide compounds and methods for their preparation are described. An optical product can be made of a polymer that is obtained by using at least one asymmetric disulfide compound as an essential monomer component. These polymers can be used to form an optical product having a high refractive index and a high Abbe's number and having superior heat resistance, superior weather resistance and superior transparency.

公开(公告)号：US09166488B2

公开(公告)日：2015-10-20

申请号：US12910151

申请日：2010-10-22

申请人： Hongyang Wu ,  Bin Wang ,  Jian Jiang ,  Xiaoni Xin

发明人： Hongyang Wu ,  Bin Wang ,  Jian Jiang ,  Xiaoni Xin

IPC分类号： H02M3/335 ,  H02M1/36 ,  H02M3/337 ,  H02M1/32

CPC分类号： H02M3/33592 ,  H02M1/36 ,  H02M3/3376 ,  H02M2001/322 ,  Y02B70/1433 ,  Y02B70/1475

摘要： An approach is provided for limiting or eliminating residual energy in a resonant network before restarting a resonant converter including the resonant network. An energy resetting module is configured to the resonant converter for limiting a peak current occurring in a switching circuit of the resonant converter by resetting energy remaining in a resonant circuit of the resonant converter after the resonant converter is turned off.

摘要翻译： 提供了在重新启动包括谐振网络的谐振转换器之前限制或消除谐振网络中的剩余能量的方法。 能量复位模块被配置为谐振转换器，用于通过在谐振转换器断开之后复位谐振转换器的谐振电路中剩余的能量来限制在谐振转换器的开关电路中出现的峰值电流。

公开(公告)号：US09042112B2

公开(公告)日：2015-05-26

申请号：US13682722

申请日：2012-11-20

申请人： Wei Guan ,  Jian Jiang ,  Bagao Li ,  Kaitian Yan ,  Hongyang Wu

发明人： Wei Guan ,  Jian Jiang ,  Bagao Li ,  Kaitian Yan ,  Hongyang Wu

IPC分类号： H05K1/18 ,  H05K7/18

CPC分类号： H05K7/18 ,  H05K7/1432

摘要： A converter power unit comprises: a heat sink; n power switch modules on the heat sink; a first group of laminated bus bars comprising a first and a second bus bar; a capacitor group comprising m capacitor; a second group of laminated bus bars comprising a third and a fourth bus bar, the first bus bar is connected with the third bus bar, the second bus bar is connected with the fourth bus bar; providing that vertical projection areas projected by an area occupied by the n power switch modules and projected by the capacitor group on a first plane perpendicular to an axial direction of the capacitor group are defined as a first and a second projection areas respectively, the first and the second projection area have an overlapped area. The present application can reduce the stray inductances in the commutating loop of the converter.

摘要翻译： A转换器功率单元包括：散热器; n个散热器上的电源开关模块; 第一组叠层母线，包括第一和第二母线; 包括m个电容器的电容器组; 第二组叠层母线，包括第三和第四母线，第一母线与第三母线连接，第二母线与第四母线连接; 将由n个功率开关模块占据的面积投影的垂直投影面积分别设定为第一和第二投影面积，第一投影面积和第二投影面积分别被定义为第一投影面积和第二投影面积， 第二投影区域具有重叠区域。 本申请可以减少转换器的换向回路中的杂散电感。

公开(公告)号：US08481766B2

公开(公告)日：2013-07-09

申请号：US12943138

申请日：2010-11-10

申请人： Mayfair C. Kung ,  Harold H. Kung ,  Jian Jiang

发明人： Mayfair C. Kung ,  Harold H. Kung ,  Jian Jiang

IPC分类号： C07D301/06

CPC分类号： C07D301/06

摘要： Methods for the epoxidation of alkenes are provided. The methods include the steps of exposing the alkene to a two-component catalyst system in an aqueous solution in the presence of carbon monoxide and molecular oxygen under conditions in which the alkene is epoxidized. The two-component catalyst system comprises a first catalyst that generates peroxides or peroxy intermediates during oxidation of CO with molecular oxygen and a second catalyst that catalyzes the epoxidation of the alkene using the peroxides or peroxy intermediates. A catalyst system composed of particles of suspended gold and titanium silicalite is one example of a suitable two-component catalyst system.

摘要翻译： 提供烯烃环氧化方法。 所述方法包括在烯烃被环氧化的条件下，在一氧化碳和分子氧的存在下，在水溶液中将烯烃暴露于双组分催化剂体系的步骤。 双组分催化剂体系包括在分子氧氧化CO期间产生过氧化物或过氧化物中间体的第一催化剂和使用过氧化物或过氧化物中间体催化烯烃的环氧化的第二催化剂。 由悬浮金和钛硅沸石的颗粒组成的催化剂体系是合适的双组分催化剂体系的一个实例。