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1. 发明申请

WO2012082836A1 TORCH FOR TUNGSTEN INERT GAS WELDING WITH IMPROVED AIR COOLED HANDLE METHOD OF MANUFACTURING SUCH A TORCH 审中-公开
标题翻译：用于具有改进的空气冷却手柄的TUNGSTEN INERT气体焊接的TORCH制造这种转子的方法
公开(公告)号：WO2012082836A1
公开(公告)日：2012-06-21
申请号：PCT/US2011/064799
申请日：2011-12-14
申请人： ILLINOIS TOOL WORKS INC. , HUNG, Derek, Yu-Fung
发明人： HUNG, Derek, Yu-Fung
IPC分类号： B23K9/167 , B23K9/29
CPC分类号： B23K9/167 , B23K9/296 , Y10T29/49826
摘要： Embodiments of a tungsten inert gas (TIG) welding torch with an improved air cooled handle are provided. The welding torch includes a body (54), a cable assembly (56-60), and a torch head (40), with a handle (38) placed over the body (54) and the cable assembly (56 -60). The handle (38) may feature a curved end designed to fit near the torch head (40) without contacting the torch head (40), providing a closer gripping point to allow greater control of the torch. In addition, the handle (38) is spaced from the body (54) and the cable assembly (56-60) to form an air space within the handle (38) through which air may flow to cool the handle (38).
摘要翻译：提供了具有改进的空气冷却手柄的钨惰性气体（TIG）焊枪的实施例。焊枪包括主体（54），电缆组件（56-60）和炬头（40），手柄（38）放置在主体（54）和电缆组件（56-60）之上。手柄（38）可以具有弯曲的端部，其设计成适合靠近炬头（40）而不接触炬头（40），从而提供更紧密的夹持点以允许更大程度地控制割炬。此外，把手（38）与主体（54）和电缆组件（56-60）间隔开，以在手柄（38）内形成空气空间，空气可以通过该空气空间来冷却手柄（38）。

2. 发明申请

WO2012082827A1 HIGH FLOW POWER CABLE FOR SMALL WELDING TORCH 审中-公开
标题翻译：用于小型焊接电动机的高流量电力电缆
公开(公告)号：WO2012082827A1
公开(公告)日：2012-06-21
申请号：PCT/US2011/064786
申请日：2011-12-14
申请人： ILLINOIS TOOL WORKS INC. , HUNG, Derek Yu-Fung
发明人： HUNG, Derek Yu-Fung
IPC分类号： B23K9/32 , H01B7/42 , H01B9/00
CPC分类号： B23K9/323
摘要： The invention provides a high flow power cable (64) for a welding system designed for effective cooling of the power cable while maintaining maneuverability of the cable. Provided is a power cable having two segments (66, 68), the first segment (66) being larger in diameter than the second segment (68). The first segment is generally coupled to the power source (12) and the second segment is coupled to the welding torch (18). The first segment includes a thicker wire, which has less resistance and dissipates less heat while the second segment includes a thinner wire, allowing for easier handling. Additionally, cooling fluid is conducted through the first segment and the second segment, further cooling the cable.
摘要翻译：本发明提供了一种用于焊接系统的高流量电力电缆（64），其设计用于有效地冷却电力电缆，同时保持电缆的机动性。提供一种具有两个段（66,68）的电力电缆，第一段（66）的直径大于第二段（68）。第一段通常耦合到电源（12），第二段联接到焊炬（18）。第一段包括较粗的线，其具有较小的电阻并且消耗较少的热量，而第二段包括更细的线，允许更容易的处理。此外，冷却流体通过第一段和第二段传导，进一步冷却电缆。

3. 发明申请

WO2012082875A1 TUNGSTEN INERT GAS WELDING TORCH WITH IMPROVED LIQUID COOLING 审中-公开
标题翻译：具有改进液体冷却功能的TUNGSTEN INERT气体焊接转子
公开(公告)号：WO2012082875A1
公开(公告)日：2012-06-21
申请号：PCT/US2011/064869
申请日：2011-12-14
申请人： ILLINOIS TOOL WORKS INC. , HUNG, Derek Yu-Fung
发明人： HUNG, Derek Yu-Fung
IPC分类号： B23K9/28 , B23K9/29 , B23K9/167
CPC分类号： B23K9/167 , B23K9/285 , B23K9/291 , B23K9/296 , Y10T29/49002
摘要： Systems and methods for improved liquid cooling of a tungsten inert gas (TIG) welding torch are provided. The improved welding torch may feature conduits for conveying coolant from a cooling system to a collar, which holds a tungsten electrode of the welding torch, and back. A coolant return conduit may be disposed in a coolant supply conduit to improve thermal insulation of an outer surface of the welding torch. Some embodiments may feature a helical channel formed in the collar for conveying coolant around the electrode multiple times before returning the coolant through the return conduit.
摘要翻译：提供了用于改善钨惰性气体（TIG）焊枪的液体冷却的系统和方法。改进的焊炬可以具有用于将冷却剂从冷却系统输送到保持焊炬的钨电极并且靠背的套环的导管。冷却剂返回管道可以设置在冷却剂供应管道中，以改善焊炬的外表面的绝热。一些实施例可以具有形成在轴环中的螺旋通道，用于在返回冷却剂通过返回管道之前多次输送冷却剂在电极周围。

4. 发明授权

US08743773B2 Power control at a relay station in a wireless network 有权
标题翻译：在无线网络中的中继站进行功率控制
公开(公告)号：US08743773B2
公开(公告)日：2014-06-03
申请号：US13620435
申请日：2012-09-14
申请人： Nimal Gamini Senarath , David Steer , Derek Yu , Hang Zhang , Peiying Zhu , Wen Tong , Israfil Bahceci
发明人： Nimal Gamini Senarath , David Steer , Derek Yu , Hang Zhang , Peiying Zhu , Wen Tong , Israfil Bahceci
IPC分类号： H04B7/14
CPC分类号： H04B7/2606 , H04B7/15535
摘要： A wireless network includes a relay station (RS) for extending wireless coverage of a base station. Data is sent by the base station and relayed through the RS to a mobile station (MS), where the data is associated with a preamble that is sent directly from the base station to the MS. A transmit power of the RS is adjusted for transmitting the data from the RS to the MS to reduce a difference between a first power level of the preamble received at the MS and a second power level of the data received at the MS. The uplink transmit power of the MS for the data sent to the RS is adjusted to compensate for the difference in path loss from MS to base station and MS to RS and to compensate for the difference in noise_plus_interference level at RS compared to that of the base station.
摘要翻译：无线网络包括用于扩展基站的无线覆盖的中继站（RS）。数据由基站发送并通过RS中继到移动站（MS），其中数据与从基站直接发送到MS的前同步码相关联。调整RS的发送功率以将数据从RS发送到MS，以减少在MS处接收的前导码的第一功率电平与在MS接收的数据的第二功率电平之间的差异。调整发送到RS的数据的MS的上行链路发送功率，以补偿从MS到基站和MS到RS的路径损耗的差异，并且补偿RS的noise_plus_interference等级与基站的差异站。

5. 发明申请

US20130039259A1 POWER CONTROL AT A RELAY STATION IN A WIRELESS NETWORK 有权
标题翻译：无线网络中继电器的功率控制
公开(公告)号：US20130039259A1
公开(公告)日：2013-02-14
申请号：US13620435
申请日：2012-09-14
申请人： Nimal Gamini Senarath , David Steer , Derek Yu , Hang Zhang , Peiying Zhu , Wen Tong , Israfil Bahceci
发明人： Nimal Gamini Senarath , David Steer , Derek Yu , Hang Zhang , Peiying Zhu , Wen Tong , Israfil Bahceci
IPC分类号： H04W52/46 , H04W88/04
CPC分类号： H04B7/2606 , H04B7/15535
摘要： A wireless network includes a relay station (RS) for extending wireless coverage of a base station. Data is sent by the base station and relayed through the RS to a mobile station (MS), where the data is associated with a preamble that is sent directly from the base station to the MS. A transmit power of the RS is adjusted for transmitting the data from the RS to the MS to reduce a difference between a first power level of the preamble received at the MS and a second power level of the data received at the MS. The uplink transmit power of the MS for the data sent to the RS is adjusted to compensate for the difference in path loss from MS to base station and MS to RS and to compensate for the difference in noise_plus_interference level at RS compared to that of the base station.
摘要翻译：无线网络包括用于扩展基站的无线覆盖的中继站（RS）。数据由基站发送并通过RS中继到移动站（MS），其中数据与从基站直接发送到MS的前同步码相关联。调整RS的发送功率以将数据从RS发送到MS，以减少在MS处接收的前导码的第一功率电平与在MS接收的数据的第二功率电平之间的差异。调整发送到RS的数据的MS的上行链路发送功率，以补偿从MS到基站和MS到RS的路径损耗的差异，并且补偿RS的noise_plus_interference等级与基站的差异站。

6. 发明申请

US20130016651A1 MEDIA ACCESS CONTROL PROTOCOL FOR MULTI-HOP NETWORK SYSTEMS AND METHOD THEREFOR 有权
标题翻译： “多媒体网络系统的媒体访问控制协议”及其方法
公开(公告)号：US20130016651A1
公开(公告)日：2013-01-17
申请号：US13620567
申请日：2012-09-14
申请人： Hang ZHANG , Peiying ZHU , Mo-Han FONG , Wen TONG , Nimal SENARATH , Derek YU , David STEER , Curtis S. DODD
发明人： Hang ZHANG , Peiying ZHU , Mo-Han FONG , Wen TONG , Nimal SENARATH , Derek YU , David STEER , Curtis S. DODD
IPC分类号： H04B7/14
CPC分类号： H04L12/4633 , H04L1/1614 , H04L45/34 , H04L63/12 , H04L69/22 , H04L69/324 , H04W28/06 , H04W40/00 , H04W84/12 , H04W88/04
摘要： A method and system for wireless communication in which a plurality of media access control (“MAC”) packet data units (“PDUs”) corresponding to a plurality of wireless communication connections are received. The plurality of MAC PDUs is grouped into a relay packet and the relay packet is transmitted. Such grouping and transmission of the relay packet is performed by one or more relay nodes. The traffic control for the transmission can also be based on centralized or decentralized routing control and/or centralized or decentralized QoS control.
摘要翻译：一种用于无线通信的方法和系统，其中接收与多个无线通信连接相对应的多个媒体访问控制（MAC）分组数据单元（PDU）。将多个MAC PDU分组为中继分组，并发送中继分组。中继分组的这种分组和传输由一个或多个中继节点执行。传输的流量控制也可以基于集中式或分散式路由控制和/或集中式或分散式QoS控制。

7. 发明申请

US20120152927A1 TUNGSTEN INERT GAS WELDING TORCH WITH IMPROVED LIQUID COOLING 有权
标题翻译：具有改进液体冷却功能的TUNGSTEN INERT气体焊接转子
公开(公告)号：US20120152927A1
公开(公告)日：2012-06-21
申请号：US13323009
申请日：2011-12-12
申请人： Derek Yu-Fung Hung
发明人： Derek Yu-Fung Hung
IPC分类号： B23K9/28 , H05K13/00
CPC分类号： B23K9/167 , B23K9/285 , B23K9/291 , B23K9/296 , Y10T29/49002
摘要： Systems and methods for improved liquid cooling of a tungsten inert gas (TIG) welding torch are provided. The improved welding torch may feature conduits for conveying coolant from a cooling system to a collar, which holds a tungsten electrode of the welding torch, and back. A coolant return conduit may be disposed in a coolant supply conduit to improve thermal insulation of an outer surface of the welding torch. Some embodiments may feature a helical channel formed in the collar for conveying coolant around the electrode multiple times before returning the coolant through the return conduit.
摘要翻译：提供了用于改善钨惰性气体（TIG）焊枪的液体冷却的系统和方法。改进的焊炬可以具有用于将冷却剂从冷却系统输送到保持焊炬的钨电极并且靠背的套环的导管。冷却剂返回管道可以设置在冷却剂供应管道中，以改善焊炬的外表面的绝热。一些实施例可以具有形成在轴环中的螺旋通道，用于在返回冷却剂通过返回管道之前多次输送冷却剂在电极周围。

8. 发明授权

US08023446B2 Systems and methods for facilitating intra-cell-peer-to-peer communication 有权
标题翻译：用于促进小区内对等通信的系统和方法
公开(公告)号：US08023446B2
公开(公告)日：2011-09-20
申请号：US11863778
申请日：2007-09-28
申请人： Hang Zhang , Peiying Zhu , Wen Tong , Nimal Gamini Senarath , Derek Yu
发明人： Hang Zhang , Peiying Zhu , Wen Tong , Nimal Gamini Senarath , Derek Yu
IPC分类号： H04B7/14
CPC分类号： H04W12/04 , H04B7/155 , H04L63/06 , H04L63/083 , H04W12/02 , H04W12/06 , H04W16/26 , H04W72/00 , H04W76/10 , H04W76/11 , H04W76/20 , H04W84/047 , H04W88/04
摘要： Methods and systems for providing efficient communications between two mobile stations served by the same base station or relay station are provided. A base station maintains information identifying which mobile stations it is serving. When a connection is set up between two mobile stations, if they are both being served by the same base station, the base station forwards traffic directly between the two mobile stations without forwarding it on to higher level network entities.
摘要翻译：提供了用于在由相同基站或中继站服务的两个移动台之间提供有效通信的方法和系统。基站维护识别其正在服务的移动台的信息。当在两个移动站之间建立连接时，如果它们都由相同的基站服务，则基站直接在两个移动站之间转发流量，而不将其转发到较高级别的网络实体。

9. 发明申请

US20090307484A1 WIRELESS ACCESS POINT SECURITY FOR MULTI-HOP NETWORKS 有权
标题翻译：多用户网络的无线接入点安全
公开(公告)号：US20090307484A1
公开(公告)日：2009-12-10
申请号：US12307695
申请日：2007-07-06
申请人： Hang Zhang , Peiying Zhu , Mo-Han Fong , Wen Tong , Gamini Senarath , Derek Yu , David Steer
发明人： Hang Zhang , Peiying Zhu , Mo-Han Fong , Wen Tong , Gamini Senarath , Derek Yu , David Steer
IPC分类号： H04L9/00 , H04K1/00
CPC分类号： H04W12/02 , H04B7/155 , H04L63/0428 , H04L63/0464 , H04L63/0478 , H04W28/16 , H04W84/18 , H04W88/04 , H04W88/08
摘要： Security in wireless communication networks that employ relay stations to facilitate communications between base stations and mobile stations is enhanced. In one embodiment, resource information provided to one or more relay stations from a base station or another relay station is encrypted prior to being delivered to the one or more relay stations. Only authorized relay stations are allocated an appropriate key necessary to decrypt the resource information. As such, only appropriate relay stations are able to access and use the resource information to effect communications directly or indirectly between the base stations and the mobile stations. In certain embodiments, the resource information is delivered between the various base and relay stations using either unicast or multicast delivery techniques.
摘要翻译：增强了使用中继站以促进基站和移动台之间的通信的无线通信网络中的安全性。在一个实施例中，在被传送到一个或多个中继站之前，将从基站或另一中继站提供给一个或多个中继站的资源信息进行加密。只有授权的中继站才能分配解密资源信息所需的适当的密钥。因此，只有适当的中继站能够访问和使用资源信息来直接或间接地在基站和移动台之间进行通信。在某些实施例中，使用单播或多播递送技术在各种基站和中继站之间传送资源信息。

10. 发明申请

US20090016259A1 QUALITY OF SERVICE CONTROL IN MULTIPLE HOP WIRELESS COMMUNICATION ENVIRONMENTS 有权
标题翻译：多种无线通信环境中的服务质量控制
公开(公告)号：US20090016259A1
公开(公告)日：2009-01-15
申请号：US12172899
申请日：2008-07-14
申请人： Hang Zhang , Peiying Zhu , Wen Tong , Gamini Senarath , Derek Yu , David G. Steer
发明人： Hang Zhang , Peiying Zhu , Wen Tong , Gamini Senarath , Derek Yu , David G. Steer
IPC分类号： H04B7/14
CPC分类号： H04W40/12 , H04B7/2606 , H04L12/4633 , H04L47/24 , H04L47/28 , H04L69/22 , H04W16/26 , H04W28/18 , H04W28/24 , H04W40/22 , H04W72/0413 , H04W72/042 , H04W76/12 , H04W84/047 , H04W84/12
摘要： One or more relay stations may be employed along a wireless communication access path between an ingress station and an egress station. A logical communication tunnel is established between the ingress and egress stations through any number of intermediate relay stations to handle session flows of PDUs. As PDUs arrive, the ingress station may determine and add scheduling information to the PDUs before they are delivered to the downstream intermediate relay stations or egress stations. The scheduling information is used by the downstream stations to schedule the PDUs for further delivery. The scheduling information may also be used by the egress station to schedule the PDUs for delivery. The scheduling information added to the PDU by the ingress station bears on a QoS class associated with the PDU, a deadline for the egress station to deliver the PDU, or a combination thereof.
摘要翻译：可以沿入站和出站之间的无线通信接入路径采用一个或多个中继站。通过任意数量的中间中继站在进入和出站之间建立逻辑通信隧道，以处理PDU的会话流。当PDU到达时，进入站可以在PDU递送到下游中间中继站或出站之前确定并将调度信息添加到PDU。下游站使用调度信息来调度PDU以进一步传送。调度信息也可以由出站使用，以调度用于传送的PDU。由入站站添加到PDU的调度信息承载在与PDU相关联的QoS类别，出站台递送PDU的最后期限或其组合。

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