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    • 1. 发明授权
    • Storing energy type of impact control mechanism for pneumatic wrench
    • 储存气动扳手冲击控制机构的能量类型
    • US5718296A
    • 1998-02-17
    • US702600
    • 1996-08-29
    • Lijun Chen
    • Lijun Chen
    • B25B21/02
    • B25B21/02
    • A kind storing energy type of impact control mechanism for pneumatic wrench comprises a flying hammer and a centrifugal valve fitted in the flying hammer, a timing mechanism, a spring, a retaining ring, a limiting device composed of a limiting key-slot on the centrifugal valve and a limiting plunger head with one end sticking into the centrifugal valve chamber and an impact pin. Besides, there are a stretching air duct to make the impact pin stretch and a transition air duct, and a retracting air duct to make the impact pin retract. And on the outer periphery of the centrifugal valve there are a concentric annular slot and an eccentric slot communicating with each other, and another concentric annular spaced apart from them. The above-mentioned structure can raise the controlled air pressure in pneumatic wrench, lower machining difficulty and reduce flying hammer height.
    • PCT No.PCT / CN96 / 00002 Sec。 371日期:1996年8月29日 102(e)日期1996年8月29日PCT 1996年1月2日PCT PCT。 出版物WO96 / 20814 日期1996年7月11日气动扳手冲击控制机构的一种存储能量类型包括安装在飞锤中的飞锤和离心阀,定时机构,弹簧,保持环,由限制键组成的限制装置 插入离心阀和一个限制柱塞头,其一端粘附到离心阀室和冲击销中。 此外,还有一个拉伸空气管道,使冲击销伸展,过渡空气管道和收回风道使冲击销缩回。 并且在离心阀的外周上具有彼此连通的同心环形槽和偏心槽,以及与它们间隔开的另一同心环。 上述结构可以提高气动扳手的受控气压,降低加工难度,减少飞锤高度。
    • 5. 发明申请
    • METHOD OF LAYER MANAGEMENT WITH DOUBLE-LAYER OVERLAY ACCURACY CONTROL, CALIBRATION MARK AND MEASUREMENT SYSTEM
    • 双层叠加精度控制的层次管理方法,校准标记和测量系统
    • US20160377991A1
    • 2016-12-29
    • US14865044
    • 2015-09-25
    • Yiming ZhuLijun ChenPeng WuJun Zhu
    • Yiming ZhuLijun ChenPeng WuJun Zhu
    • G03F7/20
    • G03F7/70633
    • The present invention provides a method for solving the need for layer management with double-layer overlay accuracy control, a calibration mark structure which realizes the method and a measurement system with the calibration mark structure. The method modifies the layout of the overlay calibration marks such that overlay information of two layers is contained in one combined calibration mark, has realized the overlay accuracy data collection for the two previous layers in the current layer by one-time measurement, and can treat the overlay accuracies of the two layers as different control accuracies. Thus, the method can complete the automatic feedback optimization of the overlay accuracy compensation, is simple and easy, and can better help the enterprises for production quality assurance and cost control.
    • 本发明提供一种用于解决对具有双层覆盖精度控制的层管理的需要的方法,实现该方法的校准标记结构和具有校准标记结构的测量系统。 该方法修改叠加校准标记的布局,使得两层叠加信息包含在一个组合校准标记中,通过一次测量实现了当前层中两个先前层的叠加精度数据采集,并可以处理 两层的覆盖精度作为不同的控制精度。 因此,该方法可以完成覆盖精度补偿的自动反馈优化,简单易行,可以更好地帮助企业进行生产质量保证和成本控制。
    • 6. 发明授权
    • Method and device for determining forwarding rule for data packet
    • 确定数据包转发规则的方法和装置
    • US09197550B2
    • 2015-11-24
    • US13513959
    • 2009-12-17
    • Lixin ZhangDuan ChenLijun Chen
    • Lixin ZhangDuan ChenLijun Chen
    • H04L12/28H04L12/723H04L12/46H04L12/721
    • H04L45/50H04L12/4625H04L12/4641H04L45/66H04L45/68
    • A method and corresponding device for determining forwarding rule for data packet in Virtual Private LAN Service with Provider Backbone Bridge (PBB-VPLS) network are disclosed. In the method, a value in a backbone service instance identifier (I-SID) field of the received data packet is firstly examined, then a virtual split horizon group corresponding to the data packets is determined based on the I-SID value, wherein the virtual split horizon group defines a forwarding rule for the data packets between different pseudo wire ports of the PBB-VPLS network. With the dynamic split horizon group, the method dynamically adapts to different forwarding rules for multiple I-VPLS instances with different tree topologies, and is capable of supporting multiple I-VPLS instances with different root sites and tree topologies in one B-VPLS instance, thereby ensuring the stability of the backbone network and reducing the network operation cost.
    • 公开了一种用于确定具有提供商骨干桥(PBB-VPLS)网络的虚拟专用LAN服务中的数据分组的转发规则的方法和相应设备。 在该方法中,首先检查接收到的数据分组的骨干服务实例标识符(I-SID)字段中的值,然后基于I-SID值确定与数据分组对应的虚拟水平分割组,其中, 虚拟水平分割组为PBB-VPLS网络的不同伪线端口之间的数据包定义了转发规则。 利用动态水平分割组,该方法动态适应不同树拓扑的多个I-VPLS实例的不同转发规则,并且能够在一个B-VPLS实例中支持具有不同根站点和树形拓扑的多个I-VPLS实例, 从而确保骨干网的稳定性,降低网络运营成本。
    • 8. 发明申请
    • METHOD AND DEVICE FOR DETERMINING FORWARDING RULE FOR DATA PACKET
    • 用于确定数据包的前向规则的方法和装置
    • US20120243545A1
    • 2012-09-27
    • US13513959
    • 2009-12-17
    • Lixin ZhangDuan ChenLijun Chen
    • Lixin ZhangDuan ChenLijun Chen
    • H04L12/28H04L12/56
    • H04L45/50H04L12/4625H04L12/4641H04L45/66H04L45/68
    • A method and corresponding device for determining forwarding rule for data packet in Virtual Private LAN Service with Provider Backbone Bridge (PBB-VPLS) network are disclosed. In the method, a value in a backbone service instance identifier (I-SID) field of the received data packet is firstly examined, then a virtual split horizon group corresponding to the data packets is determined based on the I-SID value, wherein the virtual split horizon group defines a forwarding rule for the data packets between different pseudo wire ports of the PBB-VPLS network. With the dynamic split horizon group, the method dynamically adapts to different forwarding rules for multiple I-VPLS instances with different tree topologies, and is capable of supporting multiple I-VPLS instances with different root sites and tree topologies in one B-VPLS instance, thereby ensuring the stability of the backbone network and reducing the network operation cost.
    • 公开了一种用于确定具有提供商骨干桥(PBB-VPLS)网络的虚拟专用LAN服务中的数据分组的转发规则的方法和相应设备。 在该方法中,首先检查接收到的数据分组的骨干服务实例标识符(I-SID)字段中的值,然后基于I-SID值确定与数据分组对应的虚拟水平分割组,其中, 虚拟水平分割组为PBB-VPLS网络的不同伪线端口之间的数据包定义了转发规则。 利用动态水平分割组,该方法动态适应不同树拓扑的多个I-VPLS实例的不同转发规则,并且能够在一个B-VPLS实例中支持具有不同根站点和树形拓扑的多个I-VPLS实例, 从而确保骨干网的稳定性,降低网络运营成本。