baber/WOPTO huggingface dataset:
Patent WO-2020237980-A1 (WO)
Inventor: WU SHANGHUA
IPC: C04B35/622
Filed: 2019-10-18
Abstract: Provided is a preparation method for a nitride ceramic, comprising: sequentially forming and pre-firing a nitride ceramic mixture; immersing a pre-fired blank in a non-water-based infiltrant solution for infiltration treatment, and then immersing the blank in a precipitant solution for in-situ precipitation; and drying, calcining and sintering the infiltrated blank in sequence to obtain the nitride ceramic. The non-water-based infiltrant solution comprises a solute A and a solvent A, the solute A is rare earth nitrate and alkaline earth nitrate, and the solvent A is an organic solvent; and the precipitant solution comprises a solute B and a solvent B, the solute B is an amine organic matter, and the solvent B is an organic solvent. The described preparation method solves the technical problem in the conventional infiltration and precipitation technology that the thermal conductivity of the nitride ceramic is reduced due to the hydrolysis of nitride ceramic powder and the additional introduction of an oxygen impurity, and the in-situ precipitation after infiltration enables the sintering aids with high dispersion uniformity, which contributes to improving the thermal conductivity and the reliability of the nitride ceramic.
Patent WO-2021042483-A1 (WO)
Title: Mimo radar system
Inventor: ZHANG GONG
IPC: G01S13/02
Filed: 2019-11-03
Abstract: Provided is a MIMO radar system, comprising: an antenna module, two identical chip modules, and a processing module, wherein the antenna module comprises receiving antennas and transmitting antennas; the two chip modules are respectively connected to the same number of receiving antennas and transmitting antennas; and an output end of each of the chip modules is connected to an input end of the processing module. The system uses two cascaded chips, and has a simple structure, a formed equivalent array satisfies the detection performance of the system, and there is no redundant design; and an antenna array can transmit completely orthogonal waveforms and can also transmit partially correlated waveforms, thereby improving the degree of freedom for a radar system and improving the detection performance of the system.
Patent WO-2020192127-A1 (WO)
Title: Method for reflector recognition, mobile robot positioning method and mobile robot system
Inventor: CUI JIANGWEI
IPC: G01S17/42
Filed: 2019-11-05
Abstract: Disclosed are a method for reflector recognition, a mobile robot positioning method and a mobile robot system. The method for reflector recognition comprises: S1: continuously receiving laser echo signals and recording the feature value of each laser echo signal, the feature value comprising the receiving time of the laser echo signal or the coding count value corresponding to the laser echo signal; S2: affirming, according to the feature value of any adjacent laser echo signal, whether the adjacent laser echo signal comes from the same reflector. The feature value corresponding to any adjacent laser echo signal can be used for exactly distinguishing different reflectors, which is convenient to be implemented and has good anti-interference ability, thereby improving the working efficiency of the robot.
Patent WO-2020119352-A1 (WO)
Inventor: YIN ZHONG
IPC: A61M37/00
Filed: 2019-11-11
Abstract: 一种给药微针（3）及给药微针（3）的专用生产模板，给药微针（3）包括基板（31）和固定在基板（31）底部的针状物（32），基板（31）和针状物（32）一体浇注成形在一起，基板（31）和针状物（32）由热塑性材料制成，针状物（32）为上大下小的结构。给药微针（3）的专用生产模板包括分别与微针（3）的针状物（32）和基板（31）对应的针状物模板（1）和位于针状物模板（1）上方的基板模板（2），针状物模板（1）上设有微孔区（11），一个微孔区（11）内有若干个微孔，微孔为底部开口的通孔，微孔的形状和尺寸与待生产的微针（3）的针状物（32）的形状和尺寸相同，基板模板（2）上位于对应微孔区（11）上方的位置开设有基板孔（21），基板孔（21）的形状和尺寸与待生产的微针（3）的基板（31）的形状尺寸相同，针状物模板（1）和基板模板（2）一体连接设置或单独分开设置。
Patent WO-2021062920-A1 (WO)
Inventor: WANG ZHIQIANG
IPC: G06Q10/10
Filed: 2019-11-13
Abstract: An information processing method, an information processing device, and a computer-readable storage medium. The information processing method comprises: parsing recruitment demand information to obtain a recruitment position and job requirements corresponding to the recruitment position (S102); performing data analysis in a database according to the recruitment position and the job requirements corresponding to the recruitment position (S104); and receiving suitable resumes found by searching according to the recruitment position and the job requirements corresponding to the recruitment position (S106). In this process, as the suitable resumes are obtained by means of data analysis, there is no need for human resources specialists to manually perform a search on the recruitment platform. Therefore, the time consumed by the human resource specialists for resume screening is reduced. Furthermore, as the found resumes are determined according to the recruitment position and the job requirements corresponding to the recruitment position, the number of unsuitable resumes in the obtained resumes is small, and the suitability of the found resumes is high.
Patent WO-2021042551-A1 (WO)
Inventor: ZHANG XUEQIANG
IPC: H01L31/18
Filed: 2019-11-13
Abstract: 本发明公开了一种可调式翻片装置，该装置包括支架，支架上设有：转轴，转轴上套设有两翻转盘，翻转盘上沿径向间隔设置有多个用于容纳硅片的容纳槽，两翻转盘上的容纳槽配合将硅片夹持固定；驱动机构，驱动机构与转轴连接，驱动机构驱动转轴旋转，转轴可带动翻转盘将硅片从一面翻转至另一面；转轴上沿轴向设有与硅片尺寸匹配的贯通孔，硅片可通过贯通孔从转轴的一边平移至另一边；传输机构，传输机构用于将硅片传送至容纳槽内并承接翻转后的硅片，传输机构还用于通过贯通孔将硅片从转轴的一边平移至另一边。本发明的可调式翻片装置能够在需要翻转时能实现硅片的翻转，翻转效率高，并可在不需要翻转时保证硅片平稳通过。
Patent WO-2020103836-A1 (WO)
Inventor: CHAI XIAOJUAN
IPC: A61P35/00
Filed: 2019-11-19
Abstract: Provided are a murine or human-mouse chimeric antibody targeting OX40 and a preparation method therefor, wherein the antibody binds to the OX40 antigen and has an anti-tumor activity and other activities.
Patent WO-2021068364-A1 (WO)
Inventor: JIANG JIANBIN
IPC: G06K9/00
Filed: 2019-11-21
Abstract: 本申请提供一种笔画骨架信息提取方法、装置、电子设备及存储介质。本申请提供的笔画骨架信息提取方法通过获取目标图像，所获取的目标图像中包括目标文字图像，然后根据目标图像确定目标文字图像对应的参考文字，之后，再根据所确定的参考文字以及预设参考数据库确定参考笔画骨架信息，其中，预设参考数据库包括参考文字与参考笔画骨架信息的映射关系，最后根据目标文字图像以及参考笔画骨架信息确定目标笔画骨架信息，从而，能够实现笔画骨架信息的自动化提取，整个提取过程无需人工干预，降低提取成本的同时还提高了效率以及精确度。
Patent WO-2020143340-A1 (WO)
Inventor: WEN QUNFENG
IPC: B62M7/02
Filed: 2019-11-25
Abstract: A compact mid-drive motor using single-stage gear reduction drive, comprising a housing, a motor body, a clutch (1), a gear reducer mechanism, a central shaft (2), and a crankset (3). The motor body comprises a stator (4), a rotor (5), and a mandrel (6); the central shaft (2) passes through shaft holes at both ends of the housing and is supported and positioned by means of central shaft bearings (7) provided in the housing; the mandrel (6) is parallel to the central shaft (2); the housing is formed by fastening a motor front cover (8) and a motor back cover (9); the motor body is of an outer rotor and inner stator structure; the gear reducer mechanism comprises a pinion gear (10) fixed or integrally provided on the mandrel (6) and a bull gear (11) engaged with the pinion gear; the inner ring of the bull gear is fixed to or integrally formed with the outer ring (1a) of the clutch; the inner ring (1b) of the clutch is mounted on the central shaft (2) by means of a clutch bearing (12); the front end of the inner ring (1b) of the clutch is integrally formed into a crankset positioning sleeve (13) extending out of the shaft hole of the housing to fix the crankset (3). The motor has a compact structure, a small size, and less components, is particularly suitable for an electric bike having small motor design power, and can reduce the production cost.
Patent WO-2021062940-A1 (WO)
Inventor: WANG ZHONGQI
IPC: B01F13/10
Filed: 2019-12-09
Abstract: The present invention relates to a continuous dispersion system, a carbon carrier dispersion apparatus, and a catalyst synthesis apparatus and method. The continuous dispersion system comprises a stirring module, an ultrasonic module, and a material circulation mechanism. The power of the ultrasonic module is not less than 500 W, and is used for dispersing materials. The stirring module is used for dispersing materials. The material circulation mechanism communicates the ultrasonic module with the stirring module, so that the materials in the ultrasonic module and the stirring module can circulate with each other. According to the continuous dispersion system, on the one hand, the ultrasonic module and the stirring module together disperse the materials to maintain the uniform dispersion of the materials in the continuous dispersion system; on the other hand, the heat conduction of nanoscale ultrafine dispersion is accelerated by circulating the stirring module and the ultrasonic module. This is circularly repeated, so that the mass dispersion of the materials is proceeded smoothly, and the dispersion effect of the mass dispersion is greatly improved, thereby improving the production efficiency of nanomaterial synthesis.
Patent WO-2020168808-A1 (WO)
Inventor: HUANG HEYUAN
IPC: B29C64/20
Filed: 2019-12-20
Abstract: The present disclosure relates to the technical field of 3D printing, and particularly relates to a 3D printing tray, a 3D printing device and an exposure stripping process. The 3D printing tray comprises a base, a release film, a piece of light-transmitting glass and a clamp plate, wherein a first slot and a second slot are provided in the base and both penetrate a top end face of the base; the light-transmitting glass is arranged in the first slot, and an upper surface of the light-transmitting glass is higher than a bottom wall surface of the second slot; the release film is arranged on the top end face of the base and is arranged between the base and the clamp plate in a pressed mode; and a first cavity is enclosed by the release film, an inner wall of the first slot and the light-transmitting glass, a second cavity is enclosed by the release film and an inner wall of the second slot, and the two cavities communicate with each other. During exposure, the cavities are subjected to air extraction to form a negative pressure, the release film can be tightly attached to the glass without bubbles being created therebetween, and the tensioning of the release film is realized, thereby improving the printing precision; and during the stripping of the release film, the cavities are inflated, a positive pressure is formed in the cavities, and the release film is stripped from the light-transmitting glass, and this is easily realized.
Patent WO-2021062959-A1 (WO)
Inventor: YE SHUAI
IPC: H04L29/08
Filed: 2019-12-31
Abstract: Disclosed is a data processing method for business objects, comprising: obtaining source data related to business objects; obtaining ranking data of the business objects according to the source data, and storing the ranking data in a data storage device; next, obtaining data change messages related to the business objects in the data storage device; and obtaining real-time engine data of the business objects according to the data change messages. Compared with methods requiring additional development work when acquiring real-time engine data in the prior art, the method described in the present application enables the real-time engine data of business objects to be obtained in real time and with high efficiency by providing a data storage device to store ranking data of the business objects, obtaining the data change messages of the data storage device, and then synchronizing the engine data in a data engine according to the data change messages.
Patent WO-2021195798-A1 (WO)
Title: 一种抗裂型竹结构用无机胶及制备方法及重组竹的制备方法
Inventor: LIU QIAOLING
IPC: C09J11/04
Filed: 2020-11-11
Abstract: 一种抗裂型竹结构用无机胶及制备方法及重组竹的制备方法。无机胶其组分及质量比如下：氧化镁∶七水硫酸镁∶硅灰∶硅溶胶∶硅酸锂∶硅酸钠∶柠檬酸∶微晶纤维素∶纳米纤维素晶须∶可再分散乳胶粉∶氨基三亚甲基膦酸∶水＝1∶(0.2-0.6)∶(0.01-0.1)∶(0-0.03)∶(0-0.02)∶(0.005-0.03)∶(0.002-0.02)∶(0-0.03)∶(0-0.01)∶(0-0.002)∶(0-0.01)∶(0.2-0.8)。该技术方案以硫氧镁为基材，通过改性技术，增加其与竹材料之间的粘结和渗透性能，并结合硫氧镁自身的超高耐火性能和较高的强度，制备出高强度、耐火性和耐久性均较好的无机胶重组竹。
Patent WO-2020140936-A1 (WO)
Inventor: XIE FANG
IPC: H04W74/00
Filed: 2020-01-02
Abstract: Selon certains modes de réalisation, la présente invention concerne un procédé d'accès aléatoire, un terminal, et un dispositif de réseau. Le procédé côté terminal consiste à : recevoir des conditions d'accès aléatoire d'une procédure d'accès aléatoire en deux étapes ou d'une procédure d'accès aléatoire en quatre étapes qui sont envoyées par un dispositif de réseau ; lorsque les conditions d'accès aléatoire satisfont des conditions d'accès d'une procédure d'accès aléatoire en deux étapes, effectuer un accès aléatoire selon la procédure d'accès aléatoire en deux étapes ; lorsque les conditions d'accès aléatoire satisfont des conditions d'accès d'une procédure d'accès aléatoire en quatre étapes, effectuer un accès aléatoire selon la procédure d'accès aléatoire en quatre étapes.
Patent WO-2020258849-A1 (WO)
Inventor: QIU HONGLIN
IPC: H04L29/06
Filed: 2020-01-11
Abstract: Provided are a method and apparatus for sending an authenticable message in a cross-chain manner. Sending in a cross-chain manner is to perform sending from a first account of a first blockchain to other blockchains, wherein the first blockchain is connected to a relay end, the relay end is further connected to at least one other blockchain, and the at least one other blockchain comprises a second blockchain. The method is executed by a first blockchain and comprises: storing, through consensus, first data in the first blockchain by means of a first account, wherein the first data comprises an authenticable message, the authenticable message satisfies a pre-set protocol stack, and the first data is marked with a predetermined mark; and providing the first data and first position information to a relay end for providing the authenticable message to a second account in a second blockchain, wherein the first position information indicates the position, in the first blockchain, of the first data.
Patent WO-2020147691-A1 (WO)
Inventor: YUAN SHUAI
IPC: A61B34/30
Filed: 2020-01-13
Abstract: 一种用于手术机器人的成像系统及手术机器人，成像系统包括：固定式显示装置（20），用于获取关于手术环境的图像信息并显示；移动式显示装置（10），与固定式显示装置（20）活动连接且能够相对于固定式显示装置（20）运动，移动式显示装置（10）用于获取与固定式显示装置（20）显示的图像信息相同的图像信息并显示；控制台车支座（30），固定式显示装置（20）安装于控制台车支座（30）上。手术机器人的成像系统及手术机器人，将移动式显示与固定式显示装置（20）相结合，为操作者提供更多元化的操作选择，移动式显示装置（10）能够根据操作者的舒适性和个性化需要进行调整，为操作者提供更加舒适的操作体验，减缓手术操作的疲劳。
Patent WO-2020164374-A1 (WO)
Inventor: LI CHAO
IPC: H04W56/00
Filed: 2020-01-21
Abstract: 本申请提供了一种通信方法，包括：第一设备发送指示信息，所述指示信息用于指示所述第一设备是否在侧行链路的同步时隙内发送第一同步信号块，所述同步时隙用于传输同步信号块；所述第一设备通过所述侧行链路的同步时隙发送第一数据。由于第一设备在发送第一数据前指示了其在同步时隙中的发送行为，接收机可以根据指示信息确定接收机在同步时隙中的处理方式，从而能够避免同步时隙中的收发冲突情况，提高同步时隙中信息传输的可靠性。
Patent WO-2020156572-A1 (WO)
Title: Partitionnement d'arbre quaternaire asymétrique
Inventor: ZHANG KAI
IPC: H04N19/96
Filed: 2020-02-03
Abstract: L'invention concerne un procédé permettant de traiter une vidéo, ledit procédé consistant à effectuer une conversion entre un bloc vidéo actuel et une représentation de flux binaire du bloc vidéo actuel, le bloc vidéo actuel étant divisé de façon asymétrique en quatre partitions à l'aide d'une division d'arbre quaternaire asymétrique (UQT), les quatre partitions comprenant une première partition ayant une dimension de W1xH1, une deuxième partition ayant une dimension de W2xH2, une troisième partition ayant une dimension de W3xH3 et une quatrième partition ayant une dimension de W4xH4, W1, W2, W3, W4, H1, H2, H3 et H4 étant des nombres entiers.
Patent WO-2020173326-A1 (WO)
Inventor: YANG XIAOFENG
IPC: G03G15/08
Filed: 2020-02-17
Abstract: A consumables container and a printer. The consumables container comprises a housing end cover (102), a chip (107), a chip fixing base (104), a first chip connection base (103), a second chip connection base (105), and an elastic member (106). The chip (107) is fixed at the chip fixing base (104). The first chip connection base (103) and the second chip connection base (105) are both fixed to the housing end cover (102). A sliding cavity is provided at the chip fixing base (104). The first chip connection base (103) matches an inner wall of the sliding cavity, and the second chip connection base (105) matches an outer wall of the chip fixing base (104). The elastic member (106) is disposed between the first chip connection base (103) and the chip fixing base (104). The chip (107) is exposed by the housing end cover (102). The chip fixing base (104) is provided with a first limiting structure (1041). The second chip connection base (105) is provided with a second limiting structure (1051) matching the first limiting structure (1041).
Patent WO-2021082318-A1 (WO)
Inventor: PENG JIELIN
IPC: F24F13/078
Filed: 2020-03-03
Abstract: An air conditioner (1), which comprises: a housing (10), which is provided with an air vent; an air channel part (20), which is provided within the housing (10), defines an air channel, and is provided with an air channel outlet (21) that is in communication with the air channel, the air channel outlet (21) being opposite to and in communication with the air vent; an air-guiding part (30), which is provided at the air channel outlet (21); and a light-emitting part (40), which is located downstream from the air-guiding part (30) along the flow direction of air flow and which comprises a light-emitting body (41) that is opposite to the air channel outlet (21) and the air vent.
Patent WO-2021012681-A1 (WO)
Inventor: ZHANG JIANMIN
IPC: B25J9/16
Filed: 2020-03-06
Abstract: Provided are an object carrying method applied to a carrying robot, and a carrying robot thereof. A first camera (8) photographs a top-view image, and the shape of a carried object and the X-axis coordinate and the Y-axis coordinate of the carried object are acquired by means of OpenCV technology; moreover, a second camera (6) photographs a fringe pattern of the carried object, and the Z-axis coordinate of the carried object is measured by means of fringe projection measurement technology, and the X-axis coordinate, the Y-axis coordinate and the Z-axis coordinate are mutually combined to obtain the three-dimensional coordinates of the carried object; and the carrying robot controls a robot arm to grab the carried object according to the three-dimensional coordinates, so that the aim of automatically cognizing the morphological features of the carried object and grabbing the carried object according to the morphological features is achieved. The object carrying method and the carrying robot have high intelligentization, such that multiple carried objects at different positions can be carried, and diversified carrying tasks can be completed.
Patent WO-2021189459-A1 (WO)
Title: 一种电化学装置及包含该电化学装置的电子装置
Inventor: ZHANG NAN
IPC: H01M10/0525
Filed: 2020-03-27
Abstract: 一种电化学装置和包含电化学装置的电子装置。电化学装置包括电极极片以及在电极极片的至少一个表面上的隔离层（10），隔离层（10）包含纳米纤维多孔基体（101）和分布在纳米纤维多孔基体（101）中的聚合物颗粒（102），聚合物颗粒（102）的熔融温度为70℃至150℃。与现有技术相比，由于隔离层（10）在纳米纤维多孔基体（101）中分布了低熔点聚合物颗粒（102），使得隔离层（10）具有低温热闭孔功能，热失控下，可切断电流提升电化学装置的安全性能。低熔点聚合物颗粒（102）填充在纤维多孔基体的"大孔"中，减少大孔，从而进一步改善电化学装置自放电问题，降低K值，同时降低电化学装置内部正负极活性物质颗粒刺穿隔离层（10）的内短路问题，也有利于改善电化学装置循环等电性能。
Patent WO-2021196018-A1 (WO)
Title: 电容器及其制作方法
Inventor: LU BIN
IPC: H01L27/08
Filed: 2020-03-31
Abstract: 本申请提供一种电容器及其制作方法，能够制备小体积、高容值密度的电容器。该电容器包括：多翼结构，包括多组翼状结构和多个支撑结构，其中，每组翼状结构中的各个翼状结构平行设置，该支撑结构为沿着第一方向延伸的中空的结构，该翼状结构为该支撑结构的外侧壁向垂直于该第一方向的方向延伸形成的凸起结构；叠层结构，该叠层结构包覆该多翼结构，该叠层结构包括至少一层电介质层和多层导电层，该至少一层电介质层和该多层导电层形成导电层与电介质层彼此相邻的结构；至少一个第一外接电极，电连接至该多层导电层中的部分或者全部奇数层导电层；至少一个第二外接电极，电连接至该多层导电层中的部分或者全部偶数层导电层。
Patent WO-2021128645-A1 (WO)
Title: 用于膨胀阀控制的方法及装置、空调器
Inventor: LI HUIZENG
IPC: F24F11/84
Filed: 2020-04-02
Abstract: 一种用于膨胀阀控制的方法、装置及空调器，方法包括：当压缩机频率的变化值大于设定频率值时，获取空调的运行模式；根据所述变化值和所述运行模式确定膨胀阀开度的调节值；根据所述调节值调整膨胀阀的开度。这样当压缩机频率的变化值大于设定频率值时，可及时调整膨胀阀的开度，降低压缩机频率变化过大给空调系统带来的压力，减小冷媒管路因振动损坏的风险，还可以在合理的时间内将出风温度调节至满足用户需求，提高用户体验。
Patent WO-2020238527-A1 (WO)
Inventor: MA XITONG
IPC: H04N1/40
Filed: 2020-04-27
Abstract: A programmable logic device-based data processing apparatus. The data processing apparatus (100) comprises: at least one functional circuit (105 1 , ..., 105 f ) configured to process input data; and at least one current smoothing circuit (110 1 , ..., 110 h ), each of which being in one-to-one correspondence with one of the at least one functional circuit (105 1 , ..., 105 f ) and being configured to smooth a current change of the programmable logic device due to on-off switching of the corresponding functional circuit. The current smoothing circuit (110 1 , ..., 110 h ) comprises: a control circuit (115 1 , ..., 115 h ) configured to generate a driving signal on the basis of a switching mode of the functional circuit corresponding to the current smoothing circuit; and a redundant circuit (120 1 , ..., 120 h ) configured to operate according to the driving signal to smooth the current change. The control circuit (115 1 , ..., 115 h ) comprises: a decoding control word generation circuit (125 1 , ..., 125 h ) configured to generate a control word on the basis of the switching mode of the functional circuit corresponding to the current smoothing circuit; and a decoding circuit (130 1 , ..., 130 h ) configured to generate the driving signal on the basis of the control word.
Patent WO-2021189622-A1 (WO)
Title: 列反转驱动电路及显示面板
Inventor: LIU SHA
IPC: G09G3/20
Filed: 2020-05-18
Abstract: 一种列反转驱动电路，能够通过第N组脉冲信号的电位与第N列正数据信号的电位的配合，降低了控制第N个薄膜晶体管阵列（10）的第N组脉冲信号的逻辑负电位；通过第N+1组脉冲信号的电位与第N+1列负数据信号的电位的配合，降低了控制第N+1个薄膜晶体管阵列（20）的第N+1组脉冲信号的逻辑正电位，进而降低了列反转驱动电路的功耗。
Patent WO-2020259561-A1 (WO)
Title: 彩膜基板及其制作方法和显示装置
Inventor: CAO JUNHONG
IPC: G02F1/1333
Filed: 2020-06-24
Abstract: 一种彩膜基板，包括：衬底基板(100)；设置在衬底基板表面的黑矩阵(200)，并在衬底基板上限定出多个透光区域；色阻层(300)，包括第一色阻(310)、第二色阻(320)、第三色阻(330)和第四色阻(340)。第一透光区域设置有第一色阻(310)，第二透光区域设置有第二色阻(320)，第三透光区域设置有第三色阻(330)，第四透光区域设置有第一色阻(310)和第四色阻(340)，第五透光区域设置有第二色阻(320)和第四色阻(340)，第六透光区域设置有第三色阻(330)和第四色阻(340)，第四色阻(340)的光透过率大于其它色阻的光透过率。
Patent WO-2021027414-A1 (WO)
Inventor: ZHANG ZHIPING
IPC: F04C29/06
Filed: 2020-06-29
Abstract: A compressor exhaust pipe capable of effectively reducing noise and a compressor. The compressor exhaust pipe comprises: a main body (10), an exhaust passage (11) being provided inside the main body (10); and an outer sleeve (20), the outer sleeve (20) sleeved on the outside of the main body (10), the outer sleeve (20) being sealedly connected to the main body (10), and a closed space being formed between the outer sleeve (20) and the main body (10). The compressor exhaust pipe effectively solves the problem in the related art of large transmission noise caused by small resistance of a compressor exhaust pipe to the airflow noise in the pipe.
Patent WO-2021017758-A1 (WO)
Inventor: CHEN XIYANG
IPC: B61D17/02
Filed: 2020-07-04
Abstract: Provided is a rail car, which comprises a carriage (20), the carriage (20) comprises a front (21) and a rear (22), wherein, the front (21) and/or the rear (22) are covered with a flexible housing (3) with an airbag structure; when the flexible housing (3) is in the unfolded state, the rail car has a streamlined structure as a whole. The rail car is provided with the flexible housing (3) with the air bag structure on the rear (22) of the carriage (20), therefore, when any rail car is running independently, it has a streamlined structure with low wind resistance, and when multiple rail cars are connected end to end into a train, seamless docking can be realized, which reduces the wind resistance of the train, has a smaller wind resistance than traveling alone, and reduces the energy consumption of the rail cars. In addition, when the rail car collides, under the buffering effect of the flexible housing (3) in the unfolded state, the impact force is effectively slowed down, and the purpose of protecting the carriage (20) and passengers is achieved.