baber/WOPTO huggingface dataset:
Patent WO-2018232773-A1 (WO)
Title: Data processing method and apparatus and switching device
Inventor: FU BINZHANG
IPC: H04L49/111
Filed: 2017-06-29
Abstract: The present application discloses a data processing method and apparatus and a switching device. The data processing method comprises: acquiring a destination address of a data packet received by an input port, determining available output ports according to the destination address, and determining degrees of busyness of the available output ports; if there are no non-busy output ports among the available output ports, determining the number of footprint queues in the available output ports, selecting an available output port with the largest number of footprint queues as a target output port, and determining degrees of busyness of queues in the target output port, and if there are no non-busy queues in the target output port, selecting a footprint queue in the target output port as a target output queue. By using the above method, network resources can be appropriately utilized, and network congestion can be effectively alleviated.
Patent WO-2018040792-A1 (WO)
Inventor: XIE XIAODONG
IPC: G06F3/041
Filed: 2017-07-24
Abstract: Provided are a touch-control substrate and a manufacturing method therefor, and a touch-control apparatus, which relate to the technical field of touch control. By configuring signal lines, respectively connected to touch-control electrodes, which are arranged in a transversely and longitudinally intersecting manner, into different layers, the width of a wiring area can be reduced. The touch-control substrate comprises: a plurality of first touch-control electrodes and second touch-control electrodes transversely and longitudinally intersecting, arranged on a base substrate in a touch-control area; a plurality of first binding patterns and a plurality of second binding patterns, arranged at one side of the touch-control area; and a first signal line connected to the first touch-control electrodes and the first binding patterns, and a second signal line connected to the second touch-control electrodes and the second binding patterns, wherein the first signal line and the second signal line are arranged in different layers, and a projection of an area where the first signal line is located on the base substrate and a projection of an area where the second signal line is located on the base substrate has a partial overlapped region.
Patent WO-2018076858-A1 (WO)
Title: 显示面板及显示装置
Inventor: TAN JIFENG
IPC: G02F1/1335
Filed: 2017-07-31
Abstract: 一种显示面板及显示装置，显示面板包括相对设置的第一基底(1)和第二基底(2)，设置在第一基底(1)和第二基底(2)之间的液晶层(3)、第一电极(5)和第二电极(6)，其中还包括设置在第一基底(1)与液晶层(3)之间的波导层(4)，以及与液晶层(3)相结合并且同层设置的多个光栅单元(7)；第一电极(5)和第二电极(6)构造为通过改变施加在其上的电压来调节液晶层(3)的折射率；其中从波导层(4)耦合出光的耦合效率基于光栅单元(7)与液晶层(3)的折射率的差值来确定。
Patent WO-2019024063-A1 (WO)
Title: Dust removal device for cyclone-type smoke
Inventor: LIU SHUANGPING
IPC: B01D45/16
Filed: 2017-08-04
Abstract: A dust removal device for cyclone-type smoke comprises a housing (1), an ash hopper (2), an air intake pipe (3), and an air discharge pipe (4). A fan (6) is also disposed in the housing (1) and supplies air from the bottom to the top. The air intake pipe (3) is disposed on the lower side of the fan (6). The air discharge pipe (4) is disposed on the upper side of the fan (6). A filtering net (5) is also disposed on the upper side of the air intake pipe (3). Due to the arrangement of the fan (6), the rotational flow effect of smoke in a chamber (1.1) is better and the smoke treatment capability is further improved.
Patent WO-2018120931-A1 (WO)
Title: 液晶显示装置及其面板、显示面板与系统电路的连接结构
Inventor: CHEN YU-JEN
IPC: G02F1/1345
Filed: 2017-09-20
Abstract: 一种显示面板与系统电路的连接结构，连接结构包括阵列基板（1）、电路板及导电粒子（3）。阵列基板（1）的显示区域（11）具有多条间隔设置、位于不同高度的层上的第一信号线（111a）与第二信号线（111b）。扇出区域（12）具有多条位于不同高度的层上，并通过绝缘层相互绝缘的第一走线（121a）与第二走线（121b）。扇出区域（12）内的走线（121）的一端与信号线（111）电气连接，另一端通过导电粒子（3）与电路板上的导线（21）电气连接。还提供一种液晶面板和液晶显示装置。
Patent WO-2019033515-A1 (WO)
Title: Disposable protective mask
Inventor: DENG MEISHENG
IPC: A41D13/11
Filed: 2017-09-28
Abstract: A disposable protective mask, comprising a mask body (10) and elastic connecting pieces (20) connected at both sides of the mask body (10) and used for hanging on the ears. Multiple rows of fold parts (11) capable of being extended during wearing to increase the width of the mask body (10) are provided on the mask body (10) along the width direction of the mask body (10); the left and right side ends of the mask body (10) have the same width ranging from 45 to 55 mm; two ends of each elastic connecting piece (20) are both fixedly connected at the same side of the mask body (10), and a spacing between the positions where the two ends of the elastic connecting piece (20) are connected onto the mask body (10) ranges from 25 to 45 mm; the lower side end of the mask body (10) is further connected to an elastic piece (13). The problem of a reduced protective effect resulting from an existing mask being not strong in air tightness because after wearing, the middle of the lower, left, and right edges will be clearly warped up can be solved.
Patent WO-2019061364-A1 (WO)
Title: Failure analyzing method and related device
Inventor: ZHANG RUIRONG
IPC: G06F11/00
Filed: 2017-09-29
Abstract: Disclosed in an embodiment of the present invention are a failure analyzing method and a related device. The method comprises: a failure detection device acquiring failure description information, wherein the failure description information is used to describe a failure event of a failed device; and the failure detection device traversing a fault tree according to the failure event so as to obtain a failure cause of the failed device, wherein the fault tree indicates a correspondence between the failure event and the failure cause. In the embodiment of the present invention, a fault tree is employed to accurately analyze and locate a failure cause of a failed device, thereby increasing failure detection efficiency, reducing maintenance costs relating to failures, and improving user experience.
Patent WO-2018082674-A1 (WO)
Title: 一种小区重选方法及装置
Inventor: WANG RUI
IPC: H04W36/04
Filed: 2017-11-03
Abstract: 一种小区重选方法及装置，包括：终端对工作在目标频点上的X个邻区的参考信号进行测量，获得X个信号测量值；所述终端确定所述X个邻区中存在N个小区的信号测量值满足小区重选条件，则在确定所述N个小区中存在至少一个演进的长期演进小区时，则将所述至少一个演进的长期演进小区中信号测量值最大的小区作为重选的小区。
Patent WO-2018082711-A1 (WO)
Title: 一种基站部署方法、网络服务器及无人机
Inventor: LI MING
IPC: H04W4/021
Filed: 2017-11-07
Abstract: 本申请实施例提供的一种基站部署方法、网络服务器及无人机，该方法包括：确定待部署基站的目标地理范围；根据所述目标地理范围内各基站的信号覆盖质量，确定第一基站和第二基站，以及所述第一基站与所述第二基站之间部署基站时的备选地理位置；根据装载基站的无人机到达各备选地理位置时，所述第一基站和所述第二基站的信号覆盖质量，确定待部署基站的目标地理位置，本申请实施例，利用无人机基站部署快速和灵活的特点，自动的对基站的信号覆盖质量进行测量，从而降低了基站的部署时间，增加了基站部署的自动化程度，提高了基站部署的效率。
Patent WO-2019029032-A1 (WO)
Title: Humidifier
Inventor: SHAO WEIDONG
IPC: F24F3/14
Filed: 2017-11-10
Abstract: A humidifier comprises a housing (1) provided therein with a water reservoir (11) and an atomizer (3) positioned under the water reservoir (11). The atomizer (3) is connected to an atomization guide post (41). The atomization guide post (41) is provided therein with a buoyant ring (4) movable in a vertical direction. A plurality of water inlets are arranged at a sidewall of the atomization guide post (41). A detachable upper cover (2) is connected to an upper end of the housing (1). A water mist outlet (21) is arranged at the upper cover (2). An accommodation recess (12) is arranged on a bottom surface of the water reservoir (11). The atomizer (3) is installed at a bottom portion of the accommodation recess (12). A distance between the bottom surface of the water reservoir (11) and the atomizer (3) is greater than 5 cm. A lower end of the atomization guide post (41) is installed inside the accommodation recess (12).
Patent WO-2018126797-A1 (WO)
Inventor: YANG LI
IPC: H04W24/10
Filed: 2017-11-14
Abstract: L'invention concerne un procédé et un dispositif de gestion d'une liaison radio, un système, et un support de stockage informatique. Le procédé comprend les étapes suivantes : une station de base d'ancrage de commande principale sélectionne, à partir d'un ensemble de stations de base de délestage secondaires, une station de base de délestage secondaire cible qui est hétérogène par rapport à la station de base d'ancrage de commande principale, configure la station de base de délestage secondaire cible, et considère la station de base de délestage secondaire cible configurée comme étant une station de base d'ancrage de commande auxiliaire, où la station de base d'ancrage de commande principale prend en charge un premier type d'opérations de commande par rapport à la station de base d'ancrage de commande auxiliaire et toutes les stations de base de délestage secondaires, la station de base d'ancrage de commande auxiliaire prend en charge un deuxième type d'opérations de commande par rapport à la station de base de délestage secondaire qui est homogène par rapport à la station de base d'ancrage de commande auxiliaire, et le premier type d'opérations de commande contient le deuxième type d'opérations de commande.
Patent WO-2019080235-A1 (WO)
Title: Ethereum-based blockchain system and transaction data processing method
Inventor: WU YIMING
IPC: G06Q20/42
Filed: 2017-11-23
Abstract: The present application relates to an Ethereum-based blockchain system, comprising: a master node, which is used to receive a transaction request that is sent by a client terminal and which, according to the transaction request, calls a smart contract that is deployed within an alliance chain to process a transaction so as to obtain transaction data; using the transaction data to generate blocks, and broadcasting the blocks to multiple backup nodes; the backup nodes, which are used to verify the transaction data of the blocks; the master node is further used to use completed blockchain information to generate a first stage certificate and to send the first stage certificate to the multiple backup nodes; the backup nodes are further used to respectively generate a second stage certificate and a third stage certificate according to blockchain hash values in the first stage certificate, and to use the second stage certificate and the third stage certificate to respectively negotiate blocks so as to obtain a negotiation result; when block verification is passed and the negotiation result is that negotiation is successful, the master node and the multiple backup nodes respectively add the blocks to copies in a local alliance chain.
Patent WO-2019104777-A1 (WO)
Inventor: JI WEIXI
IPC: F16H1/16
Filed: 2017-12-20
Abstract: 一种弧形面接触蜗轮蜗杆传动动力装置，属于扶梯减速机领域，弧形面接触蜗轮蜗杆传动中，蜗杆采用多头弧形圆柱蜗杆；基于进化鱼群算法，建立蜗轮蜗杆优化数学模型，对蜗杆副进行参数优化，以获得齿面的啮合性能；基于磨削加工对蜗杆进行齿面曲率修正，使齿面啮合为弧形面接触，蜗轮蜗杆的瞬时接触线平稳渐变、均匀分布；齿面的瞬时接触线垂直于蜗轮和蜗杆的齿面相对运动的方向。本装置对相互啮合的蜗轮和蜗杆进行优化设计后，对蜗杆进行了齿面曲率修正，使齿面啮合成为弧形面接触，消除安装误差，并使蜗杆副齿面法线方向垂直于蜗轮和蜗杆的齿面相对速度方向，以便使相互啮合的蜗轮和蜗杆得到良好的润滑性能。
Patent WO-2019127507-A1 (WO)
Inventor: ZHAO YAO
IPC: G06F13/28
Filed: 2017-12-29
Abstract: A data processing method and device, a DMA controller, and a computer readable storage medium. The method comprises: acquiring, from an original input feature map, feature information and parameter information; generating second DMA configuration information according to the feature information, and generating first DMA configuration information and third DMA configuration information according to the feature information and the parameter information; constructing a target input feature map according to the first DMA configuration information; reading input data from the original input feature map according to the second DMA configuration information; and storing the input data in the target input feature map according to the third DMA configuration information. Implementing an embodiment of the present invention realizes transfer of data in a CNN by means of a DMA controller rather than a CPU, such that load of the CPU is reduced, thereby enabling more efficient data transfer, and accordingly accelerating a CNN operation while maintaining flexibility.
Patent WO-2019024426-A1 (WO)
Title: Manufacturing machine for non-woven fabric
Inventor: LUO ENHAO
IPC: D04H3/10
Filed: 2018-02-08
Abstract: A manufacturing machine for non-woven fabric, provided with a rectangular flat-surface platform (1). One end of the flat-surface platform is provided with a warp wire feeding apparatus (4), and the other end thereof is provided with a fabric rolling apparatus (5); one side of the long edges of the platform is provided with a left oblique angle wire feeding apparatus (9), a right oblique angle wire feeding apparatus (10), and a weft wire feeding apparatus (8); wire drawing apparatuses (8, 9, 10, 11) are provided on the other long edge in particular angles with respect to the respective apparatuses; the platform is also provided with one or more roller pressing apparatuses (12), and any one of a shaping drying oven apparatus (13) or a pre-impregnated fabric apparatus; the other end of the platform is provided with the fabric rolling apparatus (5).
Patent WO-2019047455-A1 (WO)
Title: Multi-maneuver target tracking method and system applicable to flicker noise
Inventor: LIU ZONGXIANG
IPC: G01S11/00
Filed: 2018-01-05
Abstract: A multi-maneuver target tracking method and system applicable to flicker noise. By means of a prediction step, an update step, a merging step, a generation step and an extraction step, flicker noise is modelled with t distribution, and a variational Bayesian method is used to approximately solve a joint probability density of a covariance, a target state and a degree of freedom of observation noise under different models, thereby effectively solving the tracking problem of a multi-maneuver target when faced with flicker noise, and improving the tracking precision of the multi-maneuver target.
Patent WO-2018145550-A1 (WO)
Inventor: WANG ZIXING
IPC: C09K11/06
Filed: 2018-01-09
Abstract: L'invention concerne un dérivé d'aza-spirobifluorène caractérisé par la formule structurale suivante : formule (1), dans laquelle seul l'un parmi X1, X2, X3 et X4 est un atome d'azote tandis que les trois autres sont des atomes de carbone, R est un cycle aromatique ou hétéroaromatique contenant 6 à 60 atomes de carbone. Le dérivé d'aza-spirobifluorène de la présente invention peut être utilisé comme substance luminescente, comprenant une luminescence soit indépendamment comme couche luminescente, soit comme colorant ou luminescence en fonction du dopage par formation d'un exciplexe avec d'autres matériaux, a également la capacité de transfert de support, et les groupes sont dotés des capacités de transport de trous et de transport d'électrons. Le dérivé d'aza-spirobifluorène de la présente invention peut former un film amorphe important au moyen d'un procédé de dépôt sous vide ou d'une solution (revêtement par centrifugation, impression et impression à la presse) et, en même temps, présente une stabilité thermique et lumineuse améliorée.
Patent WO-2019140568-A1 (WO)
Title: Child companion robot
Inventor: FENG JIBIN
IPC: B25J19/04
Filed: 2018-01-17
Abstract: A child companion robot, comprising an upper part (100), a trunk (200), a lower part (300), and a bottom part (400) which are connected in sequence. The upper part (100) comprises a head part (100H) and a neck part (100N); the head part (100H) and the neck part (100N) drive the upper part (100); the trunk (200) comprises a chest part (200C) and a waist part (200W); the chest part (200C) and the waist part (200W) drives the trunk (200); the lower part (300) comprises a hip part (300K); the bottom part (400) comprises a leg part (400B); the head part (100H), the neck part (100N), the chest part (200C), the waist part (200W), the hip part (300K), and the leg part (400B) are connected in sequence to enable the head part (100H), the neck part (100N), the chest part (200C), the waist part (200W), and the hip part (300K) to have at least one degree of freedom of motion. The child companion robot is easy to control and low in cost, and a system is easy to be constructed; the structure is simple while multiple degrees of freedom of the robot can be guaranteed, and flexible limb movement can be realized.
Patent WO-2018137558-A1 (WO)
Title: Matériaux à propriétés chiroptiques
Inventor: TANG BENZHONG
IPC: H01L51/50
Filed: 2018-01-19
Abstract: La présente invention concerne des matériaux présentant un fort dichroïsme circulaire (CD), une luminescence à polarisation circulaire (CPL) et un rendement quantique de fluorescence élevé à l'état agrégé, ainsi que des procédés de préparation et d'utilisation de ceux-ci.
Patent WO-2018171325-A1 (WO)
Title: 一种视频热点片段提取方法、用户设备和服务器
Inventor: ZHOU PENGFEI
IPC: H04N21/466
Filed: 2018-01-23
Abstract: 本申请实施例公开了一种视频热点片段提取方法、用户设备和服务器，涉及通信领域，能够解决用户访问热点片段准确度低以及某些热点片段无法提取和对用户呈现的问题。服务器根据用户的属性信息将用户分为多个用户群体，根据多个用户群体中每个用户群体在观看视频内容时的操作信息，获取每个用户群体观看视频内容的热点片段，再根据每个用户群体观看视频内容的热点片段获取对应于每个用户群体的热点片段的标签，并将对应于每个用户群体的热点片段的标签发送给相应的用户群体的用户设备。本申请实施例用于向不同的用户群体呈现不同的热点片段。
Patent WO-2019153273-A1 (WO)
Inventor: YU YUYING
IPC: H01M4/74
Filed: 2018-02-09
Abstract: L'invention concerne une batterie, une cellule de batterie et un collecteur de courant et un procédé de fabrication correspondant. Le collecteur de courant comprend une membrane de base (31), qui est un tissu tressé. La présente invention peut améliorer la résistance à la traction et la ténacité du collecteur de courant et peut réduire le poids du collecteur de courant et réduire l'épaisseur du collecteur de courant, réduisant ainsi le coût.
Patent WO-2018184464-A1 (WO)
Title: 一种图片文件处理方法、装置及存储介质
Inventor: WANG SHITAO
IPC: H04N21/2343
Filed: 2018-03-19
Abstract: 本申请实施例公开了一种图片文件处理方法、装置及存储介质，其中方法包括：从图片文件的码流数据段中获取由所述图片文件中的第一图像生成的第一码流数据和第二码流数据；按照第一视频解码模式对第一码流数据进行解码，生成第一图像的RGB数据；按照第二视频解码模式对第二码流数据进行解码，生成所述第一图像的透明度数据；根据所述第一图像的所述RGB数据和所述透明度数据，生成所述第一图像对应的RGBA数据。
Patent WO-2019104910-A1 (WO)
Inventor: CHEN ZHONGYUN
IPC: B29C49/56
Filed: 2018-03-22
Abstract: 一种吹瓶机的开合模与底模联动装置，包括机架（1）、开合模模架及底模模架（5），开合模模架包括第一模架（3）、第二模架（4），联动装置包括第二轴（6）、一端固设于第二轴（6）上的第一摆臂（7）、用于驱动第一模架（3）和第二模架（4）开合模的第一驱动机构、用于驱动底模模架（5）升降的第二驱动机构；第二驱动机构包括一端通过第三轴（8）铰接在底模模架（5）上的第一连杆（9）、一端通过第四轴（10）铰接在机架（1）上的第二连杆（11），第一连杆（9）的另一端和第二连杆（11）的另一端通过第五轴（12）相铰接；第二驱动机构还包括两端分别与第一摆臂（7）和第五轴（12）铰接的用于驱动底模模架（5）升降的连杆机构。该联动装置减少了模架的关联性，工作效率高，操作简单方便，运转稳定，设备成本较低。
Patent WO-2019148616-A1 (WO)
Inventor: CHEN LIANGMEI
IPC: H01M50/242
Filed: 2018-03-27
Abstract: 本申请涉及储能器件技术领域，尤其涉及一种电池模组。该电池模组包括单体电池和电极连接片，所述单体电池包括极柱，所述电极连接片与所述极柱连接，其中，所述极柱和所述电极连接片中，一者上设置有定位凸台，另一者上设置有定位孔，所述定位凸台和所述定位孔定位配合。本申请所提供的电池模组的生产效率较高。
Patent WO-2019183874-A1 (WO)
Title: Berthing installation vessel
Inventor: WEI HAN
IPC: B63B21/00
Filed: 2018-03-29
Abstract: A berthing system is arranged on a vessel and arranged for connection to a boat landing comprising a landing area and vertical fender bars, which berthing system comprises at least the following elements: - a clamping mechanism for mooring the vessel to the fender bars,- a vessel fender comprising shock absorbers- a hydraulic system for activation and deactivation and controlling the elements of the berthing system when mooring and demooring,- a gangway for connecting the vessel with the landing area. The clamping mechanism and the vessel fender constitute a first unit. The first unit is connected to the vessel via frame hinges having a horizontal axis of rotation. First hydraulic cylinder-piston units are arranged between the vessel and a frame of the first unit. The clamping mechanism comprises clamps with jaws for pinching around the fender bars and being activated by second hydraulic cylinder-piston units arranged between the frame of the first unit and the jaws for fixation of the first unit in a fixed position in relation to the landing area at least during a part of the mooring. Said first hydraulic cylinder-piston units are arranged for simultaneously fixation of the first unit in a fixed position in relation to the vessel at least during said part of the mooring.
Patent WO-2018177376-A1 (WO)
Inventor: Zhao Allan Zijian
IPC: C12N15/66
Filed: 2018-03-29
Abstract: Provided are a viral vector for treating an autoimmune disease and diabetes and a construction method and an application thereof. The viral vector is a lentiviral expression plasmid or an adeno-associated viral expression plasmid cloned with mfat-1 gene, and the mfat-1 gene is as shown in SEQ ID No.: 1.
Patent WO-2018205970-A1 (WO)
Inventor: CHEN LI
IPC: G06Q20/40
Filed: 2018-05-10
Abstract: 本申请提供一种身份认证方法、装置和系统，该身份认证方法可以包括：交互端接收到针对用户发起的交互指令，获取所述用户的身份信息；所述交互端向服务端发送身份识别请求，所述身份识别请求中包含所述身份信息，所述身份识别请求用于指示所述服务端将所述身份信息与所述交互端对应的候选用户的标准身份信息进行匹配，以确定出所述用户对应的用户账号，所述用户账号用于响应所述交互指令对应的交互操作；其中，所述交互端附近的用户被所述服务端标记为相应的候选用户。通过本申请的技术方案，可以提高对用户的身份识别效率和识别准确度，有助于提升交互效率和安全性。
Patent WO-2019227270-A1 (WO)
Title: Power supply circuit, controlling method and lighting equipment
Inventor: LI XINHAI
IPC: H02M3/335
Filed: 2018-05-28
Abstract: A power supply circuit, a controlling method and a lighting equipment. The power supply circuit includes: a current generator, configured to generate at least two ranges of DC (direct current) voltage, and output the at least two ranges of DC voltage from at least two output ports, respectively; and a judging circuit, configured to determine which output port is connected to an external circuit, according to ripples on the at least two output ports. Therefore, the output port which is connected to an external circuit can be identified.
Patent WO-2019205225-A1 (WO)
Inventor: LIU JUN
IPC: A61B5/02
Filed: 2018-05-30
Abstract: 本方案实施例提供了一种基于智能折扇的心血管监测方法及系统，用于实现心血管参数的监测功能，并在心血管参数异常时提出告警。本方案实施例方法包括：智能折扇通过传感器采集脉搏波信息；所述智能折扇对所述脉搏波信息进行处理得到心血管参数；所述智能折扇根据所述心血管参数获取评估结果；当所述评估结果指示所述心血管参数存在异常时，所述智能折扇显示告警信息。因此，智能折扇通过传感器采集脉搏波信息，进行处理和分析，最终获得心血管参数，进一步生成评估结果，并且当评估结果指示并且当心血管参数异常即超出正常范围时，及时显示告警信息，从而实现心血管监测的功能，提升了用户体验。
Patent WO-2019128145-A1 (WO)
Inventor: LIU SHIJUN
IPC: H02J3/38
Filed: 2018-06-20
Abstract: Disclosed in embodiments of the present invention are a converter and an electric control system for a wind farm power transmission system, and a power transmission system. The converter comprises three cascaded power strings, wherein each of the cascaded power strings comprises a first output terminal and a second output terminal, a star connection is formed among the first output terminals of the cascaded power strings, and the second output terminals of the cascaded power strings form a three-phase output of the converter; and a three-phase input of the cascaded power string is connected to an electric generator of a wind turbine generator set, and the electric generator comprises a direct-driven wind turbine generator or a doubly-fed generator. According to the converter provided by the embodiments of the present invention, the output voltage of the converter can be increased, the output current can be reduced, the loss of the overall machine system can be reduced, and the use of a large number of low-voltage cables can be reduced, thereby alleviating the cable loosening pressure of a fan system and improving the stability of the wind farm power transmission system.
Patent WO-2019007309-A1 (WO)
Title: Environmentally friendly brass alloy for casting and manufacturing method therefor
Inventor: LONG JIA
IPC: C22C1/06
Filed: 2018-07-03
Abstract: Disclosed are an environmentally friendly brass alloy for casting and a manufacturing method therefor. The brass alloy is free of the elements selenium, tellurium, antimony, phosphorus, magnesium and manganese, and the components thereof are: 58-61.5 wt.% of Cu, ≤ 0.25 wt.% of Pb, 0.5-0.8 wt.% of Al, ＜0.1 wt.% of Sn, ＜0.1 wt.% of Ni, 0.02-0.15 wt.% of Fe, and 5-12 ppm of B, with the balance being Zn and inevitable impurities. In addition to excellent polishing performance and thermal cracking resistance performance, the brass alloy has good comprehensive performance, and is suitable for casting formed bathroom plumbing parts.