baber/WOPTO huggingface dataset:
Patent WO-2020088131-A1 (WO)
Title: 一种卷积神经网络计算加速方法及装置、设备、介质
Inventor: GUO HUI
IPC: G06N3/04
Filed: 2019-09-17
Abstract: 本申请公开了一种卷积神经网络计算加速方法及装置、设备、介质。该方法至少包括：利用第一函数，对原始的输入张量和卷积核进行量化处理，得到定点数形式的输入张量和卷积核；利用第二函数，计算定点数形式的输入张量和卷积核分别的量化偏移，第一函数和第二函数包含相应的量化缩放系数，以及浮点数转定点数的转换逻辑；根据量化偏移，计算定点数形式的输入张量和卷积核的第一卷积结果；根据量化缩放系数和第一卷积结果，计算原始的输入张量和卷积核的第二卷积结果。本申请利用浮点数转定点数的转换逻辑，以及基于量化偏移的自适应量化处理，有利于提高卷积计算速度，提高算法性能，降低硬件功耗和设计难度。
Patent WO-2020119281-A1 (WO)
Title: 一种机车驾驶模式切换的方法、装置和介质
Inventor: LIU YEXUAN
IPC: B60W30/182
Filed: 2019-10-25
Abstract: 一种机车驾驶模式切换的方法、装置和计算机可读存储介质，判断各控制装置的状态信息和自身状态信息是否均满足自动驾驶模式；当所有状态信息和自身状态信息均满足自动驾驶模式时，则展示激活自动驾驶模式的提示信息；当接收到符合安全规则的自动驾驶激活指令时，则向各控制装置发送自动驾驶激活指令，当接收到各控制装置反馈的自动驾驶激活确认的响应消息时，则将自身驾驶模式调整为自动驾驶模式，从而完成机车由人工驾驶模式向自动驾驶模式的切换。只有当各装置均满足进入自动驾驶模式的前提下，机车才能够切换至自动驾驶模式，提升了机车驾驶模式切换的可靠性和安全性。
Patent WO-2021081801-A1 (WO)
Title: 无线充电装置
Inventor: LIAO ZHUOWEN
IPC: H02J7/00
Filed: 2019-10-30
Abstract: 一种无线充电装置，包括第一充电件（10）和第二充电件（20），第一充电件（10）具有倚靠面（101），第一充电件（10）用于在倚靠面处形成第一充电磁场，以为第一电子设备进行无线充电；第二充电件（20）包括悬挂部以及与悬挂部连接并转动连接于第一充电件（10）的转接部，悬挂部通过转接部相对于第一充电件（10）转动而在隐藏位置和悬挂位置之间切换，悬挂部处于隐藏位置时在垂直倚靠面的方向上与倚靠面叠合设置，而处于悬挂位置时则能够悬挂第二电子设备，第二充电件（20）用于在悬挂部周侧产生第二充电磁场，以为第二电子设备进行无线充电。本无线充电装置的第二充电件在不使用时能够通过切换至隐藏位置来进行折叠收纳，节省空间。
Patent WO-2021081894-A1 (WO)
Title: Work planning method and system for movable platform, and control terminal
Inventor: JIA XIANGHUA
IPC: G06T7/11
Filed: 2019-10-31
Abstract: A work planning method and system for a movable platform, and a control terminal. The method comprises: detecting a first setting operation of a user, and determining a first reference point and a first reference direction according to the detected first setting operation, wherein the first reference direction is a reference direction corresponding to the first reference point (S301); and detecting a second setting operation of the user, and determining a second reference point and a second reference direction according to the detected second setting operation, wherein the second reference direction is a reference direction corresponding to the second reference point, and a work area of a movable platform is an area defined by a reference line between the first reference point and the second reference point, a reference line extending from the first reference point in the first reference direction, and a reference line extending from the second reference point in the second reference direction (S302). Therefore, a work area of a movable platform is no longer limited to a rectangular area, thereby improving the work efficiency of the movable platform.
Patent WO-2020181824-A1 (WO)
Title: Voiceprint recognition method, apparatus and device, and computer-readable storage medium
Inventor: XU LINGZHI
IPC: G10L25/30
Filed: 2019-11-15
Abstract: A voiceprint recognition method, apparatus and device, and a computer-readable storage medium, wherein the voiceprint recognition method comprises: acquiring a verification voice to be recognized (S10); using a GMM-UBM model to extract a first voiceprint feature of the verification voice, and using a neural network model to extract a second voiceprint feature of the verification voice (S20); fusing the first voiceprint feature and the second voiceprint feature of the verification voice to obtain a fused voiceprint feature vector of the verification voice (S30); calculating the degree of similarity between the fused voiceprint feature vector of the verification voice and voiceprint feature vectors of each registered user in a preset registered voiceprint database (S40); and on the basis of the degree of similarity, determining a voiceprint recognition result of the verification voice (S50). The two models extract features of the verification voice and are used to perform voice verification respectively. Compared to extracting the features of the verification voice and performing voice verification by a single model, information contained in the features extracted by the two models is more comprehensive, which causes the accuracy rate of voiceprint recognition to be improved.
Patent WO-2021017322-A1 (WO)
Inventor: SUN JIAJIA
IPC: H01L27/32
Filed: 2019-11-19
Abstract: 一种有机发光二极管显示面板及其制作方法，通过减少屏下摄像头区域下方阵列层（2）中的薄膜晶体管（3）的数量，来提高阵列层（2）整体的光透过率，同时对屏下摄像头区域对应位置的阴极层（7）进行图案化处理，以提高阴极层（7）的光透过率，从而实现屏下摄像头清晰成像的同时，屏下摄像头区域也能正常显示。
Patent WO-2021082111-A1 (WO)
Inventor: CHEN LIQI
IPC: G06F16/22
Filed: 2019-11-21
Abstract: A mapping table distributed storage method, comprising a mapping table and a memory. The mapping table is divided into a plurality of partitions or groups, the memory is divided into a plurality of data storage units, each partition or group corresponds to one data storage unit, and the plurality of partitions or groups comprise partition (group) 1, partition (group) 2, partition (group) 3, and partition (group) N, N being an integer greater than 3; the plurality of data storage units comprise a first data storage unit, a second data storage unit, a third data storage unit, and an M-th data storage unit, M being an integer greater than 3; the mapping table is partitioned or grouped according to a data storage size, and the mapping tables obtained by partitioning and grouping are sequentially stored according to the size of data stored during system execution, so that the method is flexible and controllable, the efficiency is improved, and the delay is reduced.
Patent WO-2021102670-A1 (WO)
Inventor: YU LAN
IPC: H04W28/24
Filed: 2019-11-26
Abstract: Methods, apparatuses, and computer-readable mediums for wireless communication are disclosed by the present disclosure. In an aspect, receive, an application layer in a host user equipment (UE) receives, from an access layer in the host UE, a quality of service (QoS) indication comprising a metric that represents a quality of one or more radio bearers used for a vehicular communication with one or more other UEs. The application layer performs a transmission control over the vehicular communication based on the QoS indication.
Patent WO-2021102699-A1 (WO)
Inventor: YANG XING
IPC: H04W76/30
Filed: 2019-11-26
Abstract: Les modes de réalisation de la présente invention concernent un procédé de traitement de défaillance de liaison radio, un dispositif et un support d'enregistrement informatique, ledit procédé comprenant : lorsqu'un minuteur d'inactivité expire et amène un équipement utilisateur (UE) à libérer une connexion de commande de ressource radio (RRC), l'enregistrement de la raison de la défaillance de liaison ; le signalement des informations de défaillance comprenant ladite raison de la défaillance de liaison.
Patent WO-2021103031-A1 (WO)
Inventor: CHEN XIANG
IPC: A01G7/06
Filed: 2019-11-30
Abstract: A branch pulling device for planting citrus reticulata blanco, comprising a frame (1), a first clamping member (2) and a second clamping member (3) which are oppositely provided on the frame (1) and are used for clamping a tree trunk, and a pulling assembly (4) connected to the frame (1) and used for pulling branches; the frame (1) is in a U shape, the first clamping member (2) and the second clamping member (3) are respectively provided on inner sides of two arms of the frame (1), the first clamping member (2) is fixedly connected to the frame (1), and the second clamping member (3) is movably connected to the frame (1). The pulling assembly (4) can achieve quick pull of a branch by means of the cooperation of a pull hook (44), a connection rope (43), a roller (42) and a plug pin (47), and the frame (1) can be firmly fixed on the tree trunk by means of the cooperation of the first clamping member (2) and the second clamping member (3), such that the use is convenient, quick, time-saving and labor-saving, the pull effect is good, and disassembly is simpler and more convenient.
Patent WO-2021097987-A1 (WO)
Title: 基于数字声光全息实现功能梯度材料微观结构检测方法
Inventor: ZHOU WENJING
IPC: G01N21/59
Filed: 2019-12-18
Abstract: 一种基于数字声光全息实现功能梯度材料微观结构检测方法，包括以下步骤：超声波激发样本、光波记录、形成单幅层析声光全息图、相位信息数值重建、全局检测；采用声光调制器件对激光器的激光光源进行调制形成两束不同频率的光波，各自构成马赫-泽式干涉系统记录超声波的反射波和透射波信息，最后合并记录在同一幅全息图中形成单幅层析声光全息图，反射-透射双模式干涉光路有利于避免反射波信息和透射波信息的互相干扰，并再加上通过图像采集器采用点传感、面输出的时间延迟积分扫描CCD配合同步控制系统对超声载波信息进行面扫描记录，能提高信息记录的完整性和信息冗余性。
Patent WO-2021056900-A1 (WO)
Inventor: HUANG XINHE
IPC: H04R9/06
Filed: 2019-12-27
Abstract: 本发明公开了一种发声装置，包括壳体以及安装在壳体上的振动系统和磁路系统，振动系统包括振膜组件以及与振膜组件连接固定的音圈组件，磁路系统包括至少一个磁路单元，音圈组件对应设置有至少一个音圈单元，音圈单元远离磁路单元的一端安装在振膜组件上，还包括至少两个弹性部件，弹性部件被配置为与音圈组件相互分离，并且，弹性部件的一端与振膜组件连接固定，另一端与壳体连接。本发明的发声装置能够适应窄、薄型产品的设计需求，并且提高产品空间利用率，优化产品性能。
Patent WO-2021138799-A1 (WO)
Title: Isolated or purified trichoderma antagonistic representative gene and application, and gene sequence-based trichoderma antagonistic evaluation amplification primer and application
Inventor: DOU KAI
IPC: C12R1/885
Filed: 2020-01-07
Abstract: Provided are an isolated or purified Trichoderma antagonistic representative gene and application, and a gene sequence-based Trichoderma antagonistic evaluation amplification primer and application. The isolated or purified Trichoderma antagonistic representative gene comprises the nucleotide sequence represented by SEQ. ID NO. 1. The gene sequence-based Trichoderma antagonistic evaluation amplification primer comprises the forward amplification primer represented by SEQ. ID NO. 6 and the reverse amplification primer represented by SEQ. ID NO. 7. Also provided is a method for quickly evaluating the antagonism of Trichoderma using a genomic nucleic acid sequence.
Patent WO-2020151684-A1 (WO)
Inventor: CHEUNG TUEN HO
IPC: A61L9/12
Filed: 2020-01-21
Abstract: Provided is a portable diffuser, comprising a skeleton (3), a housing (1) surrounding the skeleton (3), and a housing cap (2) capable of sliding relative to the housing (1), wherein a mounting cavity is formed between the housing (1) and the skeleton (3) for mounting an air blowing assembly (4), a control assembly (6) and a power assembly (5); the housing cap (2) is in sliding connection with the skeleton (3); when the housing cap (2) and the skeleton (3) slide away from each other, the housing cap (2) is separated from the housing (1), so that an air inlet channel (8) and a venting channel (9), communicating with the outside, are formed between the skeleton (3) and the housing cap (2); and when the housing cap (2) abuts against the housing (1), the air inlet channel (8) and the venting channel (9) are closed. A unidirectional air supply can be provided by using a blower to cooperate with a structure between the housing (1) and the housing cap (2), the internal structural design prevents reverse flowing of the airflow, and the fragrance of an aromatherapy agent capsule can be effectively sent out through the air blowing assembly.
Patent WO-2020168964-A1 (WO)
Inventor: LI KANG
IPC: G06F9/451
Filed: 2020-02-13
Abstract: 一种图像处理方法，用于使得图标显示出动态效果。该方法包括：获得反光图片（201）；将所述反光图片叠加在图标上（202）；改变所述反光图片中与所述图标重叠部分的至少一个像素点的颜色值（203）。获得反光图片，并将所述反光图片叠加在图标上，通过改变所述反光图片中与所述图标重叠部分的至少一个像素点的颜色值，使得图标显示出动态效果。
Patent WO-2020177768-A1 (WO)
Title: Network verification method, apparatus, and system
Inventor: HU WEIHUA
IPC: H04L9/32
Filed: 2020-03-06
Abstract: A network verification method, apparatus, and system, used for solving the problem that a terminal device cannot verify a service network while performing two-way authentication with a home network. In the present application, a unified data management network element in a first network generates a first message authentication code according to a key K of the terminal device, a first random number, and a network identifier of a second network; the first random number and the first message authentication code are sent to the terminal device by means of the second network. After receiving the first random number and the first message authentication code, the terminal device generates a second message authentication code by means of a local stored key K, the first random number, and the network identifier of the second network; after the first message authentication code and the second message authentication code are confirmed to be consistent, verification on the second network is successful. The terminal device also completes the verification on the second network while verifying the first network according to the first message authentication code.
Patent WO-2021196070-A1 (WO)
Inventor: CHEN GUANNAN
IPC: G06T5/00
Filed: 2020-04-01
Abstract: A computer-implemented method is provided. The computer-implemented method includes inputting a low-resolution image into a generator; and generating a high-resolution image using the generator based on the low-resolution image. Generating the high-resolution image includes processing the low-resolution image through a plurality of super-resolution generating units arranged in series in the generator. A respective output from a respective one of the plurality of super-resolution generating units has a respective increased image resolution as compared to a respective input to the respective one of the plurality of super-resolution generating units.
Patent WO-2021068480-A1 (WO)
Title: Multi-region imaging device and method
Inventor: LANG HAITAO
IPC: G02B27/01
Filed: 2020-04-22
Abstract: A multi-region imaging device (1000', 2000) and method (9000'). The multi-region imaging device (1000', 2000) comprises: a picture light projection plate (1100', 2100'), wherein the picture light projection plate (1100', 2100') comprises a first region (1110', 2110') and a second region (1120', 2120') that do not overlap each other, the first region (1110', 2110') and the second region (1120', 2120') emit picture light for imaging; an optical path compensation section (1200', 2200'), wherein the optical path compensation section (1200', 2200') is arranged on a propagation path of the picture light emitted by the second region (1120', 2120'), and the picture light emitted by the second region (1120', 2120') is transmitted by the optical path compensation section (1200', 2200') and optical path compensation is carried out thereon; and an imaging lens group (1300', 2300'), wherein the imaging lens group (1300', 2300') carries out imaging on the picture light emitted by the first region (1110', 2110'), so as to transmit first imaging light (1410', 2410'), and carries out imaging on the picture light transmitted by the optical path compensation section (1200', 2200'), so as to transmit second imaging light (1420', 2420'), and the first imaging light (1410', 2410') and the second imaging light (1420', 2420') have different imaging faces.
Patent WO-2021022832-A1 (WO)
Inventor: ZHANG WENKAI
IPC: C08G77/08
Filed: 2020-04-22
Abstract: Provided is a method for continuously producing an organosilicon surfactant, comprising inputting siloxane, a high hydrogen-containing silicone oil and a phosphonitrile catalyst through a first distributed control system according to the flow rate required by a formula, and simultaneously achieving mixing, heating and reacting in the first distributed control system; collecting reactants in a film evaporator with a vacuum heating device, and heating the spent phosphonitrile catalyst to obtain a low hydrogen-containing silicone oil; and then reacting the low hydrogen-containing silicone oil, an allyl polyether and a chloroplatinic acid catalyst by means of a second distributed control system, collecting the reactants in a film evaporator with a vacuum heating device, and adding a platinum catalyst to the evaporator at the same time to obtain an organosilicon surfactant. The present invention uses continuous production of the organosilicon surfactant, occupies less floor space, has a high efficiency and does not generate solid waste.
Patent WO-2020233405-A1 (WO)
Inventor: WU KEYING
IPC: H04W4/40
Filed: 2020-05-07
Abstract: Disclosed in the present application are a method and device in a node for wireless communication. A first node monitors first information in a first time-frequency resource pool; executes channel sensing in a first time-frequency resource group and obtains a first measured value; if the first measured value is greater than a target threshold, determines that a second time-frequency resource block does not belong to a first candidate resource block set, or otherwise, determines that the second time-frequency resource block belongs to the first candidate resource block set. The first information indicates that a third time-frequency resource block is reserved for first control information; the first control information is used for indicating whether a first transmission block is correctly received; the second time-frequency resource block comprises the third time-frequency resource block. The target threshold is related to whether the first information is detected in the first time-frequency resource pool. The first time-frequency resource group is associated with the second time-frequency resource block. The above-mentioned method ensures the transmission reliability of PSFCH, and improves resource utilization.
Patent WO-2020239109-A1 (WO)
Title: Mipi d-phy发送电路及设备
Inventor: LIU XINGZONG
IPC: G06F13/42
Filed: 2020-05-29
Abstract: 本发明提供了一种MIPI D-PHY发送电路及设备，MIPI D-PHY发送电路包括FPGA可重构发送时钟电路，以及与该FPGA可重构发送时钟电路连接的FPGA可重构DPHY_IO发送电路，数据包重组电路，以及与该数据包重组电路连接的FPGA可重构DPHY_IO发送电路，通过FPGA可重构MIPI D-PHY发送电路，将MIPI D-PHY发送电路与MIPI协议层进行整合设计，调整MIPID-PHY发送电路的驱动能力，能够有效的减少电路面积，提高电路的资源使用率，提高发送性能，提高适配性，还可以满足CSI-2与DSI多种不同应用场景需求。
Patent WO-2020259264-A1 (WO)
Inventor: KANG JIAN
IPC: G06T7/00
Filed: 2020-06-08
Abstract: A subject tracking method comprises: obtaining, from a video stream, an image frame to serve as a reference image; performing subject detection on the reference image so as to obtain from the reference image a subject region in which a subject is present; sequentially obtaining each image frame following the reference image in the video stream; tracking, on the basis of the subject region, each image frame following the reference image by means of a tracking algorithm, so as to obtain a region of the subject in each image frame; and when the number of the tracked image frames is greater than or equal to a frame number threshold, using the next obtained image frame as a reference image, and returning to the operation of performing subject detection on the reference image so as to obtain from the reference image a subject region in which the subject is present.
Patent WO-2020248943-A1 (WO)
Inventor: YANG MIN
IPC: C09K11/06
Filed: 2020-06-08
Abstract: 本申请提供了一种含氮化合物、电子元件和电子装置，属于有机材料技术领域。所述含氮化合物的结构如化学式（1）所示，A为化学式（2）所示的基团；所述含氮化合物能够改善电子元件的性能。
Patent WO-2021248349-A1 (WO)
Inventor: LU XI
IPC: H04N19/597
Filed: 2020-06-10
Abstract: A method may include identifying, in a frame of a video feed, a region of interest (ROI) and a background, encoding the background using a first quantization parameter to obtain an encoded low-quality background, encoding the ROI using a second quantization parameter to obtain an encoded high-quality ROI, and encoding location information of the ROI to obtain encoded location information. The method may further include combining the encoded low-quality background, the encoded high-quality ROI, and the encoded location information to obtain a combined package. The method may further include transmitting the combined package to a remote endpoint.
Patent WO-2021027382-A1 (WO)
Title: 外筒组件及洗衣机
Inventor: CHEN TAN
IPC: D06F37/04
Filed: 2020-06-10
Abstract: 一种外筒组件及洗衣机，外筒组件包括外筒（1），外筒的第一端面上构造有电机安装腔（11），电机安装腔内安装有驱动电机（2），还设有真空产生装置（3），真空产生装置的抽气管与电机安装腔贯通连接，当真空产生装置运转时，真空产生装置能够将电机安装腔抽真空至预设真空度。该外筒组件及洗衣机能够保证电机安装腔内的真空度，从而保证电机安装腔对驱动电机运转噪音的隔断效果，提高用户的洗衣机的使用舒适性。
Patent WO-2021237808-A1 (WO)
Inventor: DUAN LIAN
IPC: H04R7/04
Filed: 2020-06-11
Abstract: 本实用新型提供了一种压电式MEMS麦克风，包括基底，安装在所述基底上的振膜，以及与所述振膜间隔设置的保护平板，所述保护平板上设有加强筋。本实用新型通过在压电式MEMS麦克风的保护平板上设置加强筋，使得保护平板的至少部分区域在平行于振膜振动的方向上，具有非矩形的截面，提高了保护平板的结构强度，在振膜的冲击下不容易发生断裂。
Patent WO-2021135085-A1 (WO)
Title: Recycled polyester filament and preparation method therefor
Inventor: FAN HONGWEI
IPC: D01D5/22
Filed: 2020-06-12
Abstract: A recycled polyester filament and a preparation method therefor. In a process of preparing a fiber from recycled polyester according to FDY processing, cyclical blowing is used for cooling, and the distribution of spinneret holes on the spinneret plate is controlled to satisfy a certain condition. After the FDY thread is produced, relaxation thermal treatment is performed to obtain a recycled polyester filament. The spinneret holes are C-shaped spinneret holes and circular spinneret holes, the cross-section of the C-shaped spinneret holes being formed from an outer arc M, an inner arc N, and two line segments, the two end points of the outer arc M respectively being A and B. All of the spinneret holes are distributed in concentric circles, and the C-shaped spinneret holes are positioned on the outermost circle, rotated at different angles and randomly distributed. The present recycled polyester filament takes a three-dimensional crimped form, and the crimping directions of monofilaments are randomly distributed. The present method uses a simple method to produce a recycled polyester filament having a crimped form, and solves the problem of "uneven strip shading" occurring easily in knit articles prepared from three-dimensional crimped fibers.
Patent WO-2021004227-A1 (WO)
Title: 气溶胶生成装置
Inventor: CHEN BIN
IPC: A24F47/00
Filed: 2020-06-12
Abstract: 一种气溶胶生成装置，包括：主体，主体上设置有用于加热气溶胶生成制品（200）的至少一加热腔（4），至少一加热腔（4）是由沿径向扩大和收缩的腔壁（5）围合形成，腔壁（5）的至少一部位作为受动部（52）被驱动进而带动腔壁（5）沿径向扩大和收缩；进而可实现使气溶胶生成制品（200）与腔壁（5）充分接触，提高加热效率。
Patent WO-2020259345-A1 (WO)
Title: 终端、终端的控制方法及图像获取方法
Inventor: ZHANG XUEYONG
IPC: H04M1/02
Filed: 2020-06-16
Abstract: 一种终端(100)、终端(100)的控制方法及图像获取方法。终端(100)包括显示屏(20)及成像装置(30)，显示屏(20)包括第一显示区(21)及第二显示区(22)；成像装置(30)与第一显示区(21)对应设置，成像装置(30)用于接收穿过第一显示区(21)的光信号以进行成像；成像装置(30)进行成像时，第一显示区(21)处于熄灭状态。
Patent WO-2021114603-A1 (WO)
Inventor: SUN LI
IPC: B33Y10/00
Filed: 2020-06-22
Abstract: Disclosed are a MEM-based fiber grating sensor packaging method and device, the method comprising the steps of: determining a three-dimensional (3D) model of a test packaging piece; performing slicing processing on the three-dimensional model; adjusting an appropriate printing orientation; initializing a 3D printing device, starting preliminary 3D printing, and configuring to suspend printing at the position where a fiber is buried; fixing a fiber grating at the corresponding position and applying a certain pre-tension along the axial direction of the fiber; continuing printing until the printing is completed; and removing a support material to complete the package. Compared with the traditional manual packaging methods, due to the innovative application of a MEM technology to the field of fiber grating sensor packaging, the present invention achieves a higher efficiency, requires lower costs, makes the operation easier and more convenient, and enables the fiber grating sensor to be customized according to parameters.
Patent WO-2021004376-A1 (WO)
Title: 一种用于熔盐堆核主泵的组合型非接触式双端面密封
Inventor: SUN JIANJUN
IPC: F16J15/34
Filed: 2020-07-02
Abstract: 一种用于熔盐堆核主泵的组合型非接触式双端面密封，以保证熔盐泵轴封的零泄漏和长周期安全稳定运行。组合型非接触式双端面密封设置于旋转设备的壳体与转轴之间，由"泵入式"流体动压机械密封和磁性液体密封组成，动环（16）的上下两端面为动环密封端面，每一动环密封端面都设有槽台区和密封坝，槽台区开设有均布的螺旋槽（28）；集流环槽（34）位于动环密封端面外径侧，引流孔道（33）将集流环槽（34）与阻塞流体腔连通，磁力发生机构位于动环密封端面内径侧部位；动环（16）与静环（12,19）相对转动时，螺旋槽（28）泵入阻塞流体，产生端面开启力，密封端面脱开，此时流体动压形成的端面开启距离δ加上极靴（14,18）距静环（12,19）端面的距离d，构成运转状态磁性液体密封间隙d+δ。