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公开(公告)号:US20100202164A1
公开(公告)日:2010-08-12
申请号:US12761887
申请日:2010-04-16
申请人: Lin Sicong , Zhou Min , He Jun Ping , Wei Chen , Jianping Ying
发明人: Lin Sicong , Zhou Min , He Jun Ping , Wei Chen , Jianping Ying
IPC分类号: H02M3/335
CPC分类号: H02M1/12 , H01F21/10 , H01F27/34 , H01F27/362 , H02M1/44 , H02M2001/123 , H03H2001/0092
摘要: The present invention discloses a switching power converter with low common mode noise. The switching power converter comprises at least a switch with at least a terminal wherein said switch turning on and off alternatively which generates a plurality of noise voltages, and the noise voltage having a jump point and a static point wherein the jump point is one of said inductive component terminals, the capacitive component terminals and the second and third terminal of the switch; and an additional impedance connected between the static point and the jump point of different noise voltage to neutralize common noise current. In addition, another switching power converter having primary side and secondary side can be used to reduce the common mode noise by adding some additional impedance between the static points and jump points of the primary side and secondary side.
摘要翻译: 本发明公开了一种低共模噪声的开关电源转换器。 开关功率转换器至少包括具有至少一个端子的开关,其中所述开关交替地导通和关断,其产生多个噪声电压,并且噪声电压具有跳变点和静态点,其中跳转点是所述 感应元件端子,电容元件端子和开关的第二和第三端子; 并且连接在不同噪声电压的静态点和跳转点之间的附加阻抗以中和公共噪声电流。 此外,具有初级侧和次级侧的另一个开关电源转换器可以用于通过在初级侧和次级侧的静态点和跳跃点之间增加一些附加阻抗来降低共模噪声。
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公开(公告)号:US07868724B2
公开(公告)日:2011-01-11
申请号:US11338680
申请日:2006-01-25
申请人: Lin Sicong , Zhou Min , He Jun Ping , Wei Chen , Jianping Ying
发明人: Lin Sicong , Zhou Min , He Jun Ping , Wei Chen , Jianping Ying
IPC分类号: H01F27/36
CPC分类号: H02M1/12 , H01F21/10 , H01F27/34 , H01F27/362 , H02M1/44 , H02M2001/123 , H03H2001/0092
摘要: The present invention discloses a power converter with low common mode noise. The power converter having a primary side and a secondary side, comprises a transformer having a primary winding and a secondary winding, and at least one electrostatic shield disposed between the primary winding and the secondary winding, wherein the electrostatic shield is configured with partial first region of the primary winding and partial second region of the secondary winding such that the electrostatic shield partially shields with the primary winding and the secondary winding to reach the purpose of suppressing the common mode noise. In addition, another method can be used to reduce the common mode noise of a power converter having primary side and secondary side, which is adding some additional impedance between the static points and jump points of the primary side and secondary side.
摘要翻译: 本发明公开了一种低共模噪声的功率转换器。 具有初级侧和次级侧的功率转换器包括具有初级绕组和次级绕组的变压器,以及设置在初级绕组和次级绕组之间的至少一个静电屏蔽,其中静电屏蔽配置有部分第一区域 的次级绕组的初级绕组和部分第二区域,使得静电屏蔽部分地与初级绕组和次级绕组屏蔽以达到抑制共模噪声的目的。 此外,可以使用另一种方法来降低具有初级侧和次级侧的功率转换器的共模噪声,这在初级侧和次级侧的静态点和跳跃点之间增加一些额外的阻抗。
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公开(公告)号:US07898377B2
公开(公告)日:2011-03-01
申请号:US12761887
申请日:2010-04-16
申请人: Lin Sicong , Zhou Min , He Jun Ping , Wei Chen , Jianping Ying
发明人: Lin Sicong , Zhou Min , He Jun Ping , Wei Chen , Jianping Ying
IPC分类号: H01F27/28
CPC分类号: H02M1/12 , H01F21/10 , H01F27/34 , H01F27/362 , H02M1/44 , H02M2001/123 , H03H2001/0092
摘要: The present invention discloses a switching power converter with low common mode noise. The switching power converter comprises at least a switch with at least a terminal wherein said switch turning on and off alternatively which generates a plurality of noise voltages, and the noise voltage having a jump point and a static point wherein the jump point is one of said inductive component terminals, the capacitive component terminals and the second and third terminal of the switch; and an additional impedance connected between the static point and the jump point of different noise voltage to neutralize common noise current. In addition, another switching power converter having primary side and secondary side can be used to reduce the common mode noise by adding some additional impedance between the static points and jump points of the primary side and secondary side.
摘要翻译: 本发明公开了一种低共模噪声的开关电源转换器。 开关功率转换器至少包括具有至少一个端子的开关,其中所述开关交替地导通和关断,其产生多个噪声电压,并且噪声电压具有跳变点和静态点,其中跳转点是所述 感应元件端子,电容元件端子和开关的第二和第三端子; 并且连接在不同噪声电压的静态点和跳转点之间的附加阻抗以中和公共噪声电流。 此外,具有初级侧和次级侧的另一个开关电源转换器可以用于通过在初级侧和次级侧的静态点和跳跃点之间增加一些附加阻抗来降低共模噪声。
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公开(公告)号:US20070171585A1
公开(公告)日:2007-07-26
申请号:US11338680
申请日:2006-01-25
申请人: Lin Sicong , Zhou Min , He Ping , Wei Chen , Jianping Ying
发明人: Lin Sicong , Zhou Min , He Ping , Wei Chen , Jianping Ying
IPC分类号: H02H7/04
CPC分类号: H02M1/12 , H01F21/10 , H01F27/34 , H01F27/362 , H02M1/44 , H02M2001/123 , H03H2001/0092
摘要: The present invention discloses a power converter with low common mode noise. The power converter having a primary side and a secondary side, comprises a transformer having a primary winding and a secondary winding, and at least one electrostatic shield disposed between the primary winding and the secondary winding, wherein the electrostatic shield is configured with partial first region of the primary winding and partial second region of the secondary winding such that the electrostatic shield partially shields with the primary winding and the secondary winding to reach the purpose of suppressing the common mode noise. In addition, another method can be used to reduce the common mode noise of a power converter having primary side and secondary side, which is adding some additional impedance between the static points and jump points of the primary side and secondary side.
摘要翻译: 本发明公开了一种低共模噪声的功率转换器。 具有初级侧和次级侧的功率转换器包括具有初级绕组和次级绕组的变压器,以及设置在初级绕组和次级绕组之间的至少一个静电屏蔽,其中静电屏蔽配置有部分第一区域 的次级绕组的初级绕组和部分第二区域,使得静电屏蔽部分地与初级绕组和次级绕组屏蔽以达到抑制共模噪声的目的。 此外,可以使用另一种方法来降低具有初级侧和次级侧的功率转换器的共模噪声,这在初级侧和次级侧的静态点和跳跃点之间增加一些额外的阻抗。
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5.
公开(公告)号:US12077787B2
公开(公告)日:2024-09-03
申请号:US17469899
申请日:2021-09-09
申请人: Haiqin Chen , Wei Chen , Xin Tang , Jun Cao , Jianxin Zhao , Yongquan Chen , Hao Zhang
发明人: Haiqin Chen , Wei Chen , Xin Tang , Jun Cao , Jianxin Zhao , Yongquan Chen , Hao Zhang
IPC分类号: C12N9/10 , C12P7/6445
CPC分类号: C12N9/1029 , C12P7/6445 , C12Y203/0102
摘要: Disclosed is a diacylglycerol acyltransferase 1, a recombinant Saccharomyces cerevisiae containing the diacylglycerol acyltransferase 1, and application thereof in production of triacylglycerol. The diacylglycerol acyltransferase 1 of the invention has a function of catalyzing synthesis of triacylglycerol. After the recombinant Saccharomyces cerevisiae containing the diacylglycerol acyltransferase 1 of the invention is subjected to induction culture for 48 h, the content of total fatty acid and triacylglycerol in the recombinant Saccharomyces cerevisiae containing the diacylglycerol acyltransferase 1 can be respectively increased by 1.94 folds and 12.09 folds as compared with those of Saccharomyces cerevisiae without the recombinant diacylglycerol acyltransferase 1. The instant invention provides a method for improving the ability of microorganisms to produce polyunsaturated fatty acids (PUFAs) by means of genetic engineering.
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公开(公告)号:US20220316281A1
公开(公告)日:2022-10-06
申请号:US17223127
申请日:2021-04-06
申请人: Farhat Shaikh , Navin Sakthivel , Aaron Avagliano , Wei Chen
发明人: Farhat Shaikh , Navin Sakthivel , Aaron Avagliano , Wei Chen
摘要: An electrically conductive ceramic composite conductor configured for downhole operations includes a first portion formed from an electrically non-conductive ceramic material having a first coefficient of thermal expansion (CTE). The first portion includes an outer surface. A second portion is disposed radially inwardly of the outer surface. The second portion is formed from an electrically conductive ceramic material having a second CTE that is substantially similar to the first CTE.
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公开(公告)号:US11408163B2
公开(公告)日:2022-08-09
申请号:US16899621
申请日:2020-06-12
IPC分类号: E03F5/04
摘要: A drain floor, including a drain base, a drain body including a cavity, a drain cup, a supporting frame; and a reset member. The drain cup includes a cup body, a stem, and a base. The cup body includes a through hole, and two ends of the stem are connected to the cup body and the base, respectively. The cup body is disposed in the cavity and the base is disposed out of the cavity. The space between the drain body and the drain cup forms an annular channel, and the annular channel communicates with the through hole. The annular channel includes a water inlet and a water outlet. The reset member is connected to the drain cup and is movable with respect to the drain cup to open and close the water outlet. The supporting frame connects the drain body and the reset member.
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公开(公告)号:US20190165848A1
公开(公告)日:2019-05-30
申请号:US16309941
申请日:2017-06-07
摘要: Provided are an electronic device for a network control terminal and a network node, and a method for the electronic device. The electronic device for a network control terminal comprises processing circuitry configured to set a first condition concerning a beam-forming capacity of a network node for determining the network node capable of serving as a relay node, and to generate control signaling of indication information comprising the first condition for indicating the network node served by the network control terminal.
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公开(公告)号:US10108049B2
公开(公告)日:2018-10-23
申请号:US12794623
申请日:2010-06-04
申请人: EnkhAmgalan Dorjgotov , Zhibing Ge , Ming Xu , Cheng Chen , Young Bae Park , John Z. Zhong , Wei Chen , Shawn Robert Gettemy
发明人: EnkhAmgalan Dorjgotov , Zhibing Ge , Ming Xu , Cheng Chen , Young Bae Park , John Z. Zhong , Wei Chen , Shawn Robert Gettemy
IPC分类号: G09G3/36 , G02F1/1337
摘要: Devices and methods related to high-contrast liquid crystal displays (LCDs) are provided. For example, such an electronic device may include an LCD with two liquid crystal alignment layers not symmetric to one another and upper and lower polarizing layers respectively above and below the alignment layers. Light transmittance through the plurality of pixels may increase monotonically with gray scale voltage. The display may operate using a gray scale level 0 voltage higher than a minimum gray scale level 0 voltage capability of the display. Additionally or alternatively, liquid crystal molecular alignment axes of the two alignment layers may be offset from one another by an angle other than a multiple of 180 degrees. Additionally or alternatively, a first polarizing axis of the upper polarizing layer or a second polarizing axis of the lower polarizing layer, or both, may be neither parallel nor perpendicular to one of the liquid crystal molecular alignment axes.
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