baber/WOPTO huggingface dataset:
Patent WO-2021196039-A1 (WO)
Title: 安全芯片、安全芯片的制造方法和电子设备
Inventor: LU BIN
IPC: H01L23/498
Filed: 2020-03-31
Abstract: 一种安全芯片、安全芯片的制造方法和电子设备，能够提高安全芯片的安全等级且降低成本，提高安全芯片的综合性能。该安全芯片包括：第一芯片、第二芯片和第一光阻挡层；第一芯片和第二芯片上下堆叠，且相互电连接；第一光阻挡层靠近于第一芯片中的电路区域，用于将来自外部并朝向第一芯片中的电路区域照射的第一光信号进行全反射和/或散射。在本方案中，通过分别独立制造第一芯片和第二芯片，而不需要将第一芯片与第二芯片集成在同一个芯片中制造，使得第一芯片和第二芯片的制造工艺解耦，降低第一芯片和第二芯片的制造成本。另外，安全芯片中新增光阻挡层对光信号进行全反射和/或散射，在降低制造成本的同时提高芯片的安全性能。
Patent WO-2021189527-A1 (WO)
Inventor: ZHANG GEXIANG
IPC: B08B9/00
Filed: 2020-04-04
Abstract: A sea creature cleaning robot for an intake tunnel for a nuclear power plant. The robot consists of three parts, i.e., a frame (7), cutter assemblies (1), and walking wheel assemblies (2); the frame (7) is used for mounting and fixing cutter mounting seats and crawler wheels; the walking wheel assemblies (2) mounted on the frame (7) enable the entire device to normally walk in a tunnel; the cutter assemblies (1) control the height of cutters (108) by means of hydraulic cylinders to make the cutters contact the inner wall of the tunnel, and the hydraulic cylinders drive the saw-toothed cutters (108) to move back and forth to remove sea creatures attached to the inner wall of the tunnel; the cutter assemblies (1) are uniformly distributed on the frame (7), so as to ensure full coverage of the cleaning range of the cross section of the tunnel. The robot can clean sea creatures in tunnels in place of manual work, circular cutting technology is used, and the cleaning efficiency is significantly improved.
Patent WO-2021082353-A1 (WO)
Inventor: CHIEN KENNY
IPC: G06F16/332
Filed: 2020-04-07
Abstract: A semantic recognition method and device therefor. The semantic recognition method comprises the following steps: receiving a user input, wherein the user input is a speech input or a text input in Chinese natural language; performing correction and optimization on the user input, and performing grammatical analysis and entity parsing; triggering a Query behavior to determine a search intent and a specific search form of a search topic; eliminating ambiguous fields by means of context and/or aggregating context information; generating SQL sentences according to a determined Function and Column; and after necessary elements required for the SQL sentences are all collected, converting and assembling results of the execution of the SQL sentences into natural language and/or a graph, and outputting same. The semantic recognition method has a high precision and high speed in natural language recognition, supports custom expansions and supports Chinese, and is capable of outputting graphs.
Patent WO-2021109390-A1 (WO)
Title: Configuring access control parameters in wireless communications
Inventor: GAO YUAN
IPC: H04W48/10
Filed: 2020-04-09
Abstract: The present application relates to methods, systems, and devices related to digital wireless communication, and more specifically, to techniques related to providing UAC parameters to a UE capable of performing a barring check based on the received parameters. A method for wireless communication can include receiving, by a wireless node, a first message that includes a set of access control parameters from a network node. The method can also include performing, by the wireless node, a barring check to determine whether a certain access attempt is allowed using the set of access control parameters.
Patent WO-2021147179-A1 (WO)
Title: Blood particle detection method and blood analyzer thereof
Inventor: CHEN LIE
IPC: G01N15/10
Filed: 2020-04-10
Abstract: A blood particle detection method and a blood analyzer thereof, the method comprising: determining whether a collected blood sample is an ordinary sample or a low-concentration sample (110); when the blood sample is a low-concentration sample, reacting the blood sample with a corresponding reagent, forming a first low-concentration sample liquid and a second low-concentration sample liquid (120); when the blood sample is an ordinary sample, reacting the blood sample with a corresponding reagent, forming a first ordinary sample liquid and a second ordinary sample liquid (130); using an electrical impedance method, detecting white blood cells in the blood sample by means of the first low-concentration sample liquid or the first ordinary sample liquid, and detecting red blood cells and platelets of the blood sample by means of the second low-concentration sample liquid or the second ordinary sample liquid (140, 150). The present method can overcome deficiencies present in current blood detection systems, does not require an additional optical system and using segmented detection means, can improve detection accuracy of low-concentration samples and simplifies a detector structure.
Patent WO-2020228488-A1 (WO)
Inventor: MA WANGJING
IPC: C10B57/08
Filed: 2020-04-20
Abstract: The present invention relates to a method for the resource utilization of biomass material, and specifically relates to a method for converting biomass material into activated carbon, a hydrogen-rich gas and a liquid fuel under supercritical conditions using a composite metal catalyst and microwave assistance. In the method, gas explosion fragmentation is performed on the biomass material under high-pressure water vapor so that cellulose and hemicellulose are retained to the maximum extent; the described method may be better used for preparing energy chemicals by pyrolysis. The addition of a solvent dimethyl sulfoxide may increase the specific surface area of a prepared solid product of activated carbon; the use of fluxing agent NaF may increase the yield of the hydrogen-rich gas, and the composite metal catalyst employs a transition metal loaded on an aluminum oxide and silicon oxide matrix. The present invention is particularly conducive to the improvement of catalytic efficiency.
Patent WO-2021189581-A1 (WO)
Title: 显示面板及显示装置
Inventor: GAO YANAN
IPC: G02F1/1343
Filed: 2020-04-22
Abstract: 提供一种显示面板，包括：沿第一方向排列的GOA单元（61~64）；沿第二方向排列的时钟信号线（11~14），时钟信号线（11~14）位于GOA单元（61~64）的一侧；连接线（31~34），连接线（31~34）连接于对应的时钟信号线（11~14）和对应的GOA单元（61~64）之间；第一电极（81），第一电极（81）位于GOA单元（61~64）、时钟信号线（11~14）和连接线（31~34）的一侧，第一电极（81）具有开口（100），开口（100）对应于至少一条时钟信号线（11~14）和/或至少一条连接线（31~34）。
Patent WO-2020238732-A1 (WO)
Title: Heterocyclic ammonium polybenzimidazole and anion exchange membrane, and preparation method and application thereof
Inventor: ZHU XIULING
IPC: H01M8/1072
Filed: 2020-05-21
Abstract: A heterocyclic ammonium polybenzimidazole, an anion exchange membrane, and a preparation method and an application thereof, in the technical field of polyelectrolyte and ion exchange membranes. First, synthesizing a halogenated spirocyclic ammonium salt, then attracting halogenated spirocyclic ammonium onto a polybenzimidazole molecule chain by means of a grafting reaction, synthesizing heterocyclic ammonium polybenzimidazole, then undergoing alkali ion exchange, preparing a heterocyclic ammonium polybenzimidazole anion exchange membrane. Heterocyclic ammonium polybenzimidazole and an anion exchange membrane prepared according to the present method have good polymer membrane forming, high ion conductivity, significantly improved mechanical functionality and alkali resistance stability, and good dimensional stability, and can be broadly used in ion exchange membrane fields such as fuel cells, flow batteries, electrolysis and electrodialysis, and desalination.
Patent WO-2021243570-A1 (WO)
Title: 工地在线监控设备及其控制单元、工地在线监控方法
Inventor: TAN CHEE KHIANG
IPC: G06F13/10
Filed: 2020-06-02
Abstract: 本发明提供了工地在线监控设备及其控制单元、工地在线监控方法。所述控制单元被配置成：生成包含多类监控的界面元素，所述多类监控的至少一个的界面元素被呈现于第一图形用户界面，所述多类监控至少包括工人监控类、事件监控类和工地监控类，每类监控包括一个或多个模块；在第一图形用户界面上的一模块处接收用户输入；向与所述工地在线监控设备通信连接的远程服务器发送请求，以请求与所述模块的监控项相关的最新数据；接收来自所述远程服务器的数据集，其包含经由所述远程服务器处理的所述最新数据；以及基于接收到的最新数据生成包含所请求的监控项的监控结果的界面元素，所述监控结果的界面元素被呈现于第二图形用户界面。
Patent WO-2020249112-A1 (WO)
Inventor: WANG LIANHAI
IPC: G06Q50/18
Filed: 2020-06-12
Abstract: L'invention concerne un procédé et un système de fixation de preuve numérique et d'investigation de réseau sur la base d'une investigation de mémoire et d'une chaîne de blocs. Le procédé consiste à : télécharger vers l'aval, par un terminal de fixation de preuve numérique, un outil d'investigation crédible au moyen d'un réseau de chaîne de blocs (S101) ; vérifier la légitimité de codes exécutables de l'outil d'investigation (S102) ; exécuter l'outil d'investigation pour obtenir des données numériques, générer un journal de fonctionnement, acquérir des informations de mémoire d'ordinateur à l'aide de la technique d'investigation de mémoire puis exécuter une fixation de preuve (S103) ; générer une valeur de hachage et télécharger vers l'amont cette dernière vers le réseau de chaîne de blocs, et recevoir une adresse de chaîne de blocs correspondante renvoyée (S104) ; envoyer l'adresse à un terminal d'unité d'expertise judiciaire ; recevoir, par le terminal d'unité d'expertise judiciaire, l'adresse de chaîne de blocs envoyée par le terminal de fixation de preuve numérique (S201) ; effectuer une interrogation pour obtenir des informations concernant la chaîne de blocs et en vérifier la légitimité (S202) ; analyser les informations de mémoire à l'aide de la technique d'investigation de mémoire, extraire un état de système lorsque la preuve numérique a été obtenue et en vérifier la cohérence (S203) ; déterminer, à l'aide de l'analyse de mémoire, si l'outil d'investigation a été accroché ou injecté lors de l'exécution, et en vérifier la fiabilité de l'environnement de fonctionnement (S204) ; et générer un rapport d'expertise judiciaire (S205).
Patent WO-2020259403-A1 (WO)
Inventor: CHEN QING
IPC: C12N15/70
Filed: 2020-06-19
Abstract: La présente invention concerne une protéine fusionnée. La protéine fusionnée comprend une pluralité de séquences de protéines cibles, qui sont reliées en série, toutes les deux séquences de protéines cibles adjacentes étant reliées au moyen d'une séquence de liaison, la séquence de liaison est appropriée pour être coupée en une pluralité de protéines cibles libres au moyen d'une protéase, les multiples séquences de protéines cibles ne sont pas coupées par la protéase, et ni l'extrémité C-terminale ni l'extrémité N-terminale des protéines cibles libres ne contiennent de résidus supplémentaires.
Patent WO-2021057131-A1 (WO)
Title: User ticket purchase behavior detection method and device
Inventor: ZHOU RONGWANG
IPC: H04L29/06
Filed: 2020-06-23
Abstract: A user ticket purchase behavior detection method and device. The user ticket purchase behavior detection method comprises: collecting page access data of a user on a ticket purchase page (102); determining access abnormality degree of the user on the ticket purchase page by analyzing the page access data (104); inputting the access abnormality degree into an access abnormality measurement function corresponding to a ticket purchase dimension to which the ticket purchase page belongs to perform access abnormality calculation (106); and under the condition that a calculated access abnormality measurement value of the ticket purchase dimension is smaller than a preset measurement threshold of the ticket purchase dimension, inputting the page access data into a ticket purchase behavior detection model to perform ticket purchase behavior detection, and obtaining an output ticket purchase behavior detection result of the user (108). By means of the user ticket purchase behavior detection method, the ticket purchase behavior detection model is adopted to detect a ticket purchase behavior of the user, false seat occupation conditions are effectively prevented and controlled, and the defect that a large amount of manpower and a large number of material resources are needed is overcome.
Patent WO-2021012893-A1 (WO)
Inventor: SHI HU
IPC: G06K9/00
Filed: 2020-06-29
Abstract: A fingerprint identification module, a manufacturing method for the same, and an electronic apparatus. The method comprises: providing a substrate, a signal processing circuit being formed within the substrate; providing a carrier substrate; forming a piezoelectric transducer on the carrier substrate, the piezoelectric transducer comprising a first electrode, a piezoelectric layer located on the first electrode, and a second electrode located on the piezoelectric layer; forming, on the carrier substrate or the substrate, a permanent bonding layer provided with a cavity; using the permanent bonding layer to bond the carrier substrate and the substrate, the piezoelectric transducer being located between the piezoelectric transducer and the substrate, and covering the cavity; and removing the carrier substrate. The method does not require formation of a sacrificial layer that fills the cavity, and correspondingly eliminates an operation of removing the sacrificial layer, thereby preventing the problem of residue of the sacrificial layer forming in the cavity. In addition, the piezoelectric transducer covers the cavity, thereby improving acoustic performance of the piezoelectric transducer. In summary, the invention improves accuracy of fingerprint identification.
Patent WO-2021027453-A1 (WO)
Title: 车载集成充电装置及其电流分配计算方法
Inventor: LIU JUN
IPC: H02J7/04
Filed: 2020-07-09
Abstract: 本发明公开了车载集成充电装置及其电流分配计算方法，车载集成充电装置包括：电压转换模块，电压转换模块设有用于连接交流电或交流负载的AC端、用于连接动力电池的HV端、用于连接直流负载的LV端；当AC端空置时，LV端由HV端供电，LV端的输入电流为HV端的实际电流。本发明将OBC、DCAC及DCDC功能集成在同一个电路板上，通过分配算法来实现电流上报要求，减小整个装置的体积和重量。
Patent WO-2021008487-A1 (WO)
Title: 一种激光和光电弧复合焊接的焊炬
Inventor: WANG CHANGCHUN
IPC: B23K26/348
Filed: 2020-07-13
Abstract: 一种激光和光电弧复合焊接的焊炬包括：焊炬主体，具有输入端（1）、输出端（2）及位于输入端（1）和输出端（2）之间的中空内腔（3）；焊炬主体具有激光束穿过方向的中心轴线（211）；输入端（1）有用于聚焦激光束的入射光线的透镜（11）；输出端（2）包括有绝缘衬套（21）、压缩喷嘴（22）、保护喷嘴（23）、第一非熔化电极（24）；绝缘衬套（21）包围中空内腔（3）下端；压缩喷嘴（22）位于绝缘衬套（21）输出端；第一非熔化电极（24）镶嵌于绝缘衬套（21）中并与中心轴线（211）斜角布置，其底端位于压缩喷嘴（22）的通孔（221）上方并距离压缩喷嘴（22）的通孔（221）上表面的距离为h，其底端之间的间距为d；激光束通过压缩喷嘴（22）的通孔（221）处的半径为r1，通孔的半径大于r1。
Patent WO-2021008493-A1 (WO)
Inventor: ZHANG JUNWEI
IPC: B62D25/14
Filed: 2020-07-13
Abstract: Provided is a dashboard crossbeam (100) used for a vehicle, comprising: a crossbeam body (102); the crossbeam body (102) is made of plastic and comprises a first end part (104) and a second end part (106), the first end part (104) and the second end part (106) being suitable for connecting to the left and right side enclosure sheet metal panels of the vehicle, respectively; a first structural member (128), said first structural member (128) being made of metal and being arranged in the crossbeam body (102); and a first support frame (108) and a support frame (110); the first support frame (108) and the second support frame (110) are arranged in the middle of the crossbeam body (102) and are suitable for supporting the central control of the vehicle; the first support frame (108) is closer to the first end part (104) of the crossbeam body (102) than the second support frame (110); the first structural member (128) extends from the first end part (104) of the crossbeam body (102) along the length direction of the crossbeam body (102); the first structural member (128) has a first end (129) and a second end (131); the first end (129) of the first structural member (128) is located at the first end (104) of the crossbeam body (102); the second end (131) of the first structural member (128) is located between the first support frame (108) and the second support frame (110); the dashboard crossbeam (100) has higher mechanical performance, lower manufacturing cost, smaller volume and weight, and is easy to manufacture.
Patent WO-2021017911-A1 (WO)
Title: Enhanced hair loss prevention and hair growth promotion composition
Inventor: ZHAO RUILI
IPC: A61K8/9761
Filed: 2020-07-17
Abstract: An enhanced hair loss prevention and hair growth promotion composition, comprising a combination of (A) a concentrated birch sap and (B) any one or more of a ginger extract, a Fallopia multiflora root extract, a ginseng extract, a green tea extract, a Platycladus orientalis extract, an Angelica sinensis extract, an Astragalus propinquus extract, an Eclipta alba extract, a Betula platyphylla sprout extract, a white Betula platyphylla leaf extract, adenosine, nicotinamide, and tripeptide-1 copper. The concentration factor of the concentrated birch sap is about 1.2 - 8 times, preferably about 1.5 - 6 times, and more preferably about 1.5 - 5 times.
Patent WO-2022021174-A1 (WO)
Inventor: ZHANG HAO
IPC: A61M25/02
Filed: 2020-07-30
Abstract: A connector (1) for securing medical tubes (4) to each other, comprising a connection portion (2) and at least two receiving portions (3) for receiving a medical tube (4) each, preferably arranged at opposing ends of the connection portion (2), wherein the at least two receiving portions (3) are movably joined to the connection portion (2).
Patent WO-2021023124-A1 (WO)
Title: 一种提升终端设备测量能力的方法、芯片以及终端设备
Inventor: ZHENG DELAI
IPC: H04W24/10
Filed: 2020-07-31
Abstract: 本申请提供了一种提升终端设备的测量能力的方法、终端设备、芯片以及系统。其中，方法包括：终端设备上报测量能力至网络侧，网络侧根据终端设备的能力以及触发条件，确定是否需要分配测量间隔(Gap)给终端设备，所述测量间隔用于终端设备测量异频或者异系统的小区，进一步地，当网络侧分配测量间隔给终端设备时，当终端设备确定可以通过去配置辅小区或者降低当前驻留小区的数据接收规则达到不需要分配Gap的目的时，通过去配置辅小区或者降低当前驻留小区的数据接收规则的方法，进行异频或者异系统的小区测量，从而完成小区测量任务。
Patent WO-2021237962-A1 (WO)
Inventor: SUN FUCHUN
IPC: A61B10/00
Filed: 2020-08-26
Abstract: 一种咽拭子自动采样系统，包括在工作平台（100）上的待测人员身份信息自动核对及采集提示单元（400）、待测人员头部定位单元（300）、导航定位单元（500）、样本采集执行单元（600）和咽拭子自动装卸载单元（700），以及远程监控单元（800）；导航定位单元跟随样本采集执行单元末端进入待测人员口腔，用于采集咽喉图像并确定深度传感器与待测人员咽喉之间的深度信息；样本采集执行单元包括三自由度的导轨式装置（610）及一个自由度的末端执行机构（620）；在咽拭子采集的过程中，各个单元的实时信息与远程监控单元通信，医护人员在远程安全房间通过电脑对被采集者及其各个单元进行实时监控，出现意外问题，及时采取措施，以保证整个过程的安全性和有效性，实现咽拭子采集过程的全自动化。
Patent WO-2021208343-A1 (WO)
Inventor: WEN LIBIN
IPC: G06N3/08
Filed: 2020-09-10
Abstract: 本发明公开了一种基于神经网络模型的喷水减温器喷水调整方法及装置，其中，所述方法包括：获得火电锅炉中过热器的当前过热参数数据以及获得火电锅炉中喷水减温器的当前喷水参数数据；对当前过热参数数据和当前喷水参数数据分别进行归一化处理；利用归一化后的当前过热参数数据和归一化后的当前喷水参数数据构建数据特征矩阵；将数据特征矩阵输入训练收敛的神经网络模型中对火电锅炉喷水减温器的喷水量进行修正预测，获得修正预测结果；火电锅炉喷水减温器根据修正预测结果进行喷水调整。在本发明实施例中，可以实现对火电锅炉内的喷水减温器的喷水量的实时修正预测，使得过热器输出的蒸汽热量和压力在预设的范围内，保障火电锅炉的运行效率。
Patent WO-2021047669-A1 (WO)
Title: Combined multi-end-face sealing rotary compensator
Inventor: PAN WENHAO
IPC: F16L27/08
Filed: 2020-09-14
Abstract: A combined multi-end-face sealing rotary compensator, comprising a rotary seat (3), a rotary core pipe (1), and a packing gland (2). Sealing packing is provided in a sealing cavity; an inner convex ring (32) is provided on the inner wall of the rotary seat (3), a step-shaped outer boss (11) is provided at the right end of the rotary core pipe (1), and an assembling gap between the outer boss (11) and the inner convex ring (32) is located in the middle of the bottom of the sealing cavity. The outer boss (11) of the rotary core tube (1) is provided with at least two steps, and an end face sealing ring (6) is embedded between the side face of each step and the inner convex ring (32). A multi-stage end face sealing ring is provided between the outer boss of the rotary core pipe and the inner convex ring of an outer sleeve, and the sealing ring has a positive correlation self-sealing effect along with the change of pressure of a medium in a pipeline, so that the sealing effect is enhanced. The compensator has strong high-temperature resistance and high-pressure resistance, a good sealing effect, a long service life, and convenience in mounting.
Patent WO-2022077290-A1 (WO)
Title: 多旋翼无人飞行器
Inventor: XIAO XIANG
IPC: B64C11/04
Filed: 2020-10-14
Abstract: 一种多旋翼无人飞行器，包括机架（10）、旋翼（20）、弹性件（30）。旋翼（20）包括电机（21）、螺旋桨（22）以及固定件（23），电机（21）安装在机架（10）上，固定件（23）固定在电机（21）上，并且随电机（21）的转子一起转动，螺旋桨（22）通过固定件（23）安装在电机（21）上，电机（21）带动螺旋桨（22）旋转。弹性件（30）与螺旋桨（22）的桨座（221）机械耦合连接，用于提供一弹力给螺旋桨（22）的桨座（221）；螺旋桨（22）的桨座（221）设有通孔（223）及卡槽（224），固定件（23）能够从通孔（223）穿过，并相对于螺旋桨（22）的桨座（221）旋转预设角度后与卡槽（224）相卡合，并且螺旋桨（22）在弹性件（30）的弹力作用下保持卡槽（224）与固定件（23）处于卡合状态，使电机（21）通过固定件（23）与卡槽（224）卡合固定带动螺旋桨（22）旋转。
Patent WO-2022077310-A1 (WO)
Inventor: WANG KEFEI
IPC: H01M10/0567
Filed: 2020-10-15
Abstract: 本申请涉及一种电化学装置和电子装置。具体而言，本申请提供一种电化学装置，其包括：正极、负极和电解液，所述负极包括负极集流体和形成在所述负极集流体上的负极合剂层，其中所述负极集流体包含锡，所述电解液包括含硫氧双键的化合物。本申请的电化学装置具有改进的高温循环性能和抗过充性能。
Patent WO-2021129075-A1 (WO)
Title: Système de surveillance panoramique infrarouge
Inventor: Zhuo Yuandong
IPC: H04N7/18
Filed: 2020-10-20
Abstract: L'invention concerne un système de surveillance panoramique infrarouge, lequel comprend : un centre infrarouge configuré pour répondre à un signal de synchronisation externe et pour délivrer des informations d'image ; un dispositif de commande de rotation configuré pour entraîner le centre infrarouge en rotation dans une direction circonférentielle ; un dispositif de stabilisation d'image de miroir à réflexion rapide configuré pour délivrer le signal de synchronisation externe ; un dispositif de traitement de signal connecté au centre infrarouge et permettant de recevoir les informations d'image et d'effectuer un traitement d'image ; et un dispositif de commande d'affichage d'ordinateur hôte en connexion de signal avec le dispositif de traitement de signal, permettant d'afficher des informations d'image obtenues par le traitement d'image et d'acquérir une cible de détection et d'afficher la cible de détection selon les informations d'image obtenues par le traitement d'image. Le dispositif de commande d'affichage d'ordinateur hôte est en connexion de signal avec le dispositif de commande de rotation et le dispositif de stabilisation d'image de miroir à réflexion rapide.
Patent WO-2022052217-A1 (WO)
Title: Full-plastic pistol spray pump
Inventor: LIANG PEIHUI
IPC: B65D47/34
Filed: 2020-10-20
Abstract: A full-plastic pistol spray pump, comprising a pump body (1). The lower part of the pump body (1) is connected to a locking cover (8); a liquid spray channel (11) is provided in the pump body (1); a nozzle (2) is provided at an outlet of the liquid spray channel (11); a liquid outlet channel (12) and a liquid inlet channel (13) which are isolated from each other in a vertical direction are provided in the pump body (1); the liquid outlet channel (12) is communicated with the liquid spray channel (11); a liquid guide chamber (14) is provided on one side of the liquid outlet channel (12) and the liquid inlet channel (13); the upper part of the liquid guide chamber (14) is always in communication with the liquid outlet channel (12) by means of a normally open port (15); a pumping piston (3) is provided in the liquid guide chamber (14); a trigger (4) capable of driving the pumping piston (3) to make piston movement left and right in the liquid guide chamber (14) is hinged onto the pump body (1); an elastic arm (5) capable of pressing against the pump body (1) and driving the trigger (4) to drive the pumping piston (3) to reset is provided on the trigger (4); a lateral one-way valve that can be opened during reset movement of the pumping piston (3) so as to enable the liquid guide chamber (14) to be communicated with the liquid inlet channel (13) is provided between the liquid guide chamber (14) and the liquid inlet channel (13). The full-plastic pistol spray pump is simple in structure and high in liquid inlet efficiency, and can make full use of a solution pumped into the liquid guide chamber.
Patent WO-2021083019-A1 (WO)
Title: Spherical pump rotor static pressure support and spherical pump provided with static pressure support
Inventor: WANG LUYI
IPC: F04C9/00
Filed: 2020-10-22
Abstract: A spherical pump rotor static pressure support and a spherical pump provided with said static pressure support. The static pressure support comprises a first liquid flow channel (404) and a second liquid flow channel (405) arranged on a rotating disc (4), liquid pressure-bearing grooves arranged on the two parallel side faces of a shoe (403), and a shoe lining plate (10), the first liquid flow channel (404) comprising a first liquid flow channel inlet (4041) and a first liquid flow channel outlet (4042), the second liquid flow channel (405) comprising a second liquid flow channel inlet (4051) and a second liquid flow channel outlet (4052), and the first liquid flow channel outlet (4042) and the second liquid flow channel outlet (4052) respectively being connected to the liquid pressure-bearing grooves on the two parallel side faces of the shoe (403); the static pressure support is arranged between the two parallel side faces of the shoe (403) and the shoe lining plate (10). The static pressure support ensures that the gap between the spherical surface of the rotating disc and the spherical inner cavity is uniform, reducing friction loss.