Patents by Inventor Yongliang Xu
Yongliang Xu has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11154869Abstract: The present invention discloses a device for pulverization and explosion suppression of low carbon gas hydrate (LCGH). A feeding chamber connects with a pulverizing chamber, and the chambers communicate through a feed port. A pulverizing air pipe and the feeding chamber communicate through a feeding air pipe; two ends of a venturi connect with an entrainment chamber and a disperser respectively; and a gas-solid separation membrane (GSSM) is disposed on a discharging port and used for preventing LCGH powder from entering the entrainment chamber from the pulverizing chamber. When an explosion is triggered, the GSSM is opened to make the LCGH powder enter the entrainment chamber. The device can store and pulverize the LCGH and spray LCGH powder to achieve combustion and explosion suppression.Type: GrantFiled: August 8, 2019Date of Patent: October 26, 2021Assignee: Henan Polytechnic UniversityInventors: Lanyun Wang, Yongliang Xu, Yang Liu, Zhendong Li, Huilong Xie, Xuanxuan Huang, Menglei Chen
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Publication number: 20200238295Abstract: The present invention discloses a device for pulverization and explosion suppression of low carbon gas hydrate (LCGH). A feeding chamber connects with a pulverizing chamber, and the chambers communicate through a feed port. A pulverizing air pipe and the feeding chamber communicate through a feeding air pipe; two ends of a venturi connect with an entrainment chamber and a disperser respectively; and a gas-solid separation membrane (GSSM) is disposed on a discharging port and used for preventing LCGH powder from entering the entrainment chamber from the pulverizing chamber. When an explosion is triggered, the GSSM is opened to make the LCGH powder enter the entrainment chamber. The device can store and pulverize the LCGH and spray LCGH powder to achieve combustion and explosion suppression.Type: ApplicationFiled: August 8, 2019Publication date: July 30, 2020Inventors: Lanyun Wang, Yongliang Xu, Yang Liu, Zhendong Li, Huilong Xie, Xuanxuan Huang, Menglei Chen
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Publication number: 20200002958Abstract: An integrated formwork system for construction of a super high-rise building, comprising a climbing system in a stereoscopic structure formed by a successive enclosure of a plurality of climbing formwork units, a jacking system formed by a plurality of jacking units arranged side by side being disposed in the stereoscopic structure, and a working space formed between the climbing system and the jacking system, wherein the climbing formwork units located at a same side wall of the stereoscopic structure all correspond to the jacking units adjacent to the side wall and are capable of moving synchronously or separately, the jacking units are provided thereon with a vertical adjusting device and a horizontal adjusting device, and a plurality of groups of tensioning devices are disposed in each of the jacking units. Such formwork has light deadweight, a low gravity center, good structural safety, a broad construction work plane.Type: ApplicationFiled: July 13, 2018Publication date: January 2, 2020Inventors: Yuexi CHEN, Yunbo DING, Dong LIU, Rui ZHANG, Shaozhang LONG, Ning HU, Yongliang XU
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Patent number: 8463120Abstract: A method for realizing service protection in the automatically switched optical network includes following steps: after any defect occurs on the working paths that carry the service, the first node and the last node of the working paths sends the requests to restore the paths setup in opposite directions, respectively; at least one intermediate node in the restoration path establishes a connection according to the restoration path setup request, and forwards the restoration path setup request hop by hop, until the setup of the recovering path is finished; the service is switched from the working paths to the restoration paths. A system for realizing service protection and a node device in an ASON is also provided. The paths restoration process can be faster obviously using this invention, and the restoration time can be shortened, and the work efficiency and reliability can be improved, and the service can be ensured to be restored.Type: GrantFiled: September 29, 2008Date of Patent: June 11, 2013Assignee: Huawei Technologies Co., Ltd.Inventors: Fatai Zhang, Huiying Xu, Yongliang Xu
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Patent number: 8200843Abstract: A method for establishing a network connection service includes: initiating a request for establishing a network connection service from the user side of a source end to the user side of a sink end; a network ingress node and network egress node of the network connection service communicating through message exchange to determine a network connection between the two nodes for supporting the network connection service and a protocol adaptation stack from the user side to the network side in the network connection service; and the network ingress node and the network egress node establishing the network connection supporting the network connection service and configuring the adaptation stack, so as to establish the network connection service. With the invention, no manual configuration is needed, and it is possible to reduce the time delay in the connection establishment and facilitate multi-service transport under a multi-service transport network condition.Type: GrantFiled: June 8, 2011Date of Patent: June 12, 2012Assignee: Huawei Technologies Co., Ltd.Inventor: Yongliang Xu
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Patent number: 8144620Abstract: A method and system for implementing a network connection service is provided. In the invention, the port information of the network ingress node and the network egress node is registered with the directory server or configured manually. During the establishment of the network service connection, a request for establishing the network connection service between the source user node and the destination user node is initiated, and the directory server is queried in response to the request to obtain the connection and adaptation mode for establishing the network connection service, which is supported by both the network ingress node and the network egress node, and the network connection is established and the adaptation configuration is performed according to the connection and adaptation mode to establish the network connection service.Type: GrantFiled: November 14, 2006Date of Patent: March 27, 2012Assignee: Huawei Technologies Co., Ltd.Inventor: Yongliang Xu
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Patent number: 8068483Abstract: This invention discloses a method for migration between a permanent connection and a switched connection in a transmission network. The method comprises the steps of: the ingress node of the current connection receiving a message of connection migrating request; forwarding the message of connection migrating request node by node starting from the ingress node in the direction of the traffic signal transmission of the current connection till the egress node of the current connection; making migration between the two connection modes until the ingress node after the message of migrating request has been received. By making migration between modes of connection node by node at each node of a transmission network, this invention ensures a smooth transition between a permanent connection and a switched connection, effectively avoiding service disruption while making the implementation of network services more flexible.Type: GrantFiled: April 8, 2004Date of Patent: November 29, 2011Assignee: Huawei Technologies Co., Ltd.Inventor: Yongliang Xu
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Publication number: 20110238849Abstract: A method for establishing a network connection service includes: initiating a request for establishing a network connection service from the user side of a source end to the user side of a sink end; a network ingress node and network egress node of the network connection service communicating through message exchange to determine a network connection between the two nodes for supporting the network connection service and a protocol adaptation stack from the user side to the network side in the network connection service; and the network ingress node and the network egress node establishing the network connection supporting the network connection service and configuring the adaptation stack, so as to establish the network connection service. With the invention, no manual configuration is needed, and it is possible to reduce the time delay in the connection establishment and facilitate multi-service transport under a multi-service transport network condition.Type: ApplicationFiled: June 8, 2011Publication date: September 29, 2011Applicant: Huawei Technologies Co., Ltd.Inventor: Yongliang Xu
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Patent number: 7984185Abstract: A method for establishing a network connection service includes: initiating a request for establishing a network connection service from the user side of a source end to the user side of a sink end; a network ingress node and network egress node of the network connection service negotiating through message exchange to determine a network connection between the two nodes for supporting the network connection service and a protocol adaptation stack from the user side to the network side in the network connection service; and the network ingress node and the network egress node establishing the network connection supporting the network connection service and configuring the adaptation stack, so as to establish the network connection service.Type: GrantFiled: April 9, 2008Date of Patent: July 19, 2011Assignee: Huawei Technologies Co., Ltd.Inventor: Yongliang Xu
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Patent number: 7933978Abstract: The present invention provides a method, device and system for implementing a VPN configuration service. According to the invention, a VPN configuration request message is received at a network side and a verification is performed on the VPN configuration request message with a directory service table; and the directory service table is updated after the verification is passed; and, thus, a VPN configuration is implemented. Thus, the efficiency of the VPN service is improved. Through configuring the VPN policy information, the VPN connection request of the user is limited within a closed user group and a corresponding control is performed on the VPN connection request of the user. Thus, a flexible management mode is achieved.Type: GrantFiled: November 24, 2008Date of Patent: April 26, 2011Assignee: Huawei Technologies Co., Ltd.Inventors: Yongliang Xu, Jianhua Gao, Chengqing Wu
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Patent number: 7787362Abstract: One embodiment of the present invention discloses a method and device for recovering a shared mesh network. The core idea of the method lies in that: a network ingress node of network connection service determines and saves routing information of a recovery path; after a working path is established successfully, a network management system controls resource reservation of the recovery path; and after the working path is interrupted, the network ingress node of the network connection service initiates an establishing procedure of the recovery path by using the reserved resources according to the saved routing information of the recovery path, and switches services on the working path to the recovery path for transmission. The technical solutions of the invention are easy to implement, and can be realized by using existing protocols; moreover, it can be well compatible with existing devices.Type: GrantFiled: January 24, 2008Date of Patent: August 31, 2010Assignee: Huawei Technologies Co., Ltd.Inventor: Yongliang Xu
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Publication number: 20090310960Abstract: This invention discloses a method for mesh restoration, which includes the steps of: a) reserving channel resource for restoration path in the link by which the path passes and assigning discriminator for each channel, and determining the associated signaling channels for transporting the discriminator; b) when detecting the work path fails, activating the restoration path of the work path according to the discriminator which is transported by the associated signaling channel and whose value corresponds to a restoration. Using the method of the invention, the problem in rapid mesh restoration can be solved, and the speed of mesh restoration is comparable to that of the ring network protection.Type: ApplicationFiled: September 9, 2005Publication date: December 17, 2009Applicant: HUAWEITECHNOLOGIES CO., LTD.Inventor: Yongliang Xu
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Patent number: 7543075Abstract: A method of establishing a bi-directional Label Switched Path (LSP) includes an establishing request and available upstream and downstream label sets are sent from a first node to a terminal node of the LSP node-by-node. If the available upstream or downstream label set obtained by the terminal node or other nodes is null, the LSP can't be established; if the establishing request is sent to the terminal node and the received available upstream and downstream label sets are not null, the terminal node chooses an upstream label and an downstream label. An establishing response and the upstream and downstream labels are sent from the terminal node to the foregoing nodes node-by-node, and each of other nodes except the first node chooses an upstream label and a downstream label to an upstream node according to the upstream and downstream labels provided by the downstream node.Type: GrantFiled: December 29, 2003Date of Patent: June 2, 2009Assignee: Huawei Technologies Co., Ltd.Inventor: Yongliang Xu
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Publication number: 20090103533Abstract: The invention discloses a method for establishing an identifier mapping relationship, in which a end node of a service allocates its ingress identifier, generates an identifier mapping relationship of the end node, and sends a signaling message that carries the ingress identifier of the end node to upstream nodes along the direction to a head node of the service; and the head node receives the signaling message from an adjacent downstream node, extracts the ingress identifier of the adjacent downstream node as the egress identifier of the head node, and generates an identifier mapping relationship of the head node. The invention also discloses a system and node apparatus for establishing an identifier mapping relationship. The technical solutions provided by the invention may realize automatic configuration of an identifier mapping relationship.Type: ApplicationFiled: November 19, 2008Publication date: April 23, 2009Applicant: Huawei Technologies Co., Ltd.Inventors: Fengzhu Li, Yongliang Xu
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Publication number: 20090083403Abstract: The present invention provides a method, device and system for implementing a VPN configuration service. According to the invention, a VPN configuration request message is received at a network side and a verification is performed on the VPN configuration request message with a directory service table; and the directory service table is updated after the verification is passed; and, thus, a VPN configuration is implemented. Thus, the efficiency of the VPN service is improved. Through configuring the VPN policy information, the VPN connection request of the user is limited within a closed user group and a corresponding control is performed on the VPN connection request of the user. Thus, a flexible management mode is achieved.Type: ApplicationFiled: November 24, 2008Publication date: March 26, 2009Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Yongliang XU, Jianhua GAO, Chengqing WU
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Publication number: 20090028561Abstract: A method for realizing service protection in the automatically switched optical network includes following steps: after any defect occurs on the working paths that carry the service, the first node and the last node of the working paths sends the requests to restore the paths setup in opposite directions, respectively; at least one intermediate node in the restoration path establishes a connection according to the restoration path setup request, and forwards the restoration path setup request hop by hop, until the setup of the recovering path is finished; the service is switched from the working paths to the restoration paths. A system for realizing service protection and a node device in an ASON is also provided. The paths restoration process can be faster obviously using this invention, and the restoration time can be shortened, and the work efficiency and reliability can be improved, and the service can be ensured to be restored.Type: ApplicationFiled: September 29, 2008Publication date: January 29, 2009Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventors: Fatai ZHANG, Huiying XU, Yongliang XU
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Publication number: 20080273473Abstract: A method and system for implementing a network connection service is provided. In the invention, the port information of the network ingress node and the network egress node is registered with the directory server or configured manually. During the establishment of the network service connection, a request for establishing the network connection service between the source user node and the destination user node is initiated, and the directory server is queried in response to the request to obtain the connection and adaptation mode for establishing the network connection service, which is supported by both the network ingress node and the network egress node, and the network connection is established and the adaptation configuration is performed according to the connection and adaptation mode to establish the network connection service.Type: ApplicationFiled: November 14, 2006Publication date: November 6, 2008Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Yongliang Xu
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Publication number: 20080189426Abstract: A method for establishing a network connection service includes: initiating a request for establishing a network connection service from the user side of a source end to the user side of a sink end; a network ingress node and network egress node of the network connection service negotiating through message exchange to determine a network connection between the two nodes for supporting the network connection service and a protocol adaptation stack from the user side to the network side in the network connection service; and the network ingress node and the network egress node establishing the network connection supporting the network connection service and configuring the adaptation stack, so as to establish the network connection service.Type: ApplicationFiled: April 9, 2008Publication date: August 7, 2008Inventor: Yongliang Xu
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Publication number: 20080117806Abstract: One embodiment of the present invention discloses a method and device for recovering a shared mesh network. The core idea of the method lies in that: a network ingress node of network connection service determines and saves routing information of a recovery path; after a working path is established successfully, a network management system controls resource reservation of the recovery path; and after the working path is interrupted, the network ingress node of the network connection service initiates an establishing procedure of the recovery path by using the reserved resources according to the saved routing information of the recovery path, and switches services on the working path to the recovery path for transmission. The technical solutions of the invention are easy to implement, and can be realized by using existing protocols; moreover, it can be well compatible with existing devices.Type: ApplicationFiled: January 24, 2008Publication date: May 22, 2008Applicant: HUAWEI TECHNOLOGIES CO., LTD.Inventor: Yongliang XU
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Publication number: 20080031619Abstract: A method for recovering from an inter-domain link failure includes: initiating a local recovery, by an upstream node of a failed inter-domain link, a local recovery from the link failure; performing the local recovery from the link failure with the upstream node of the failed inter-domain link as a source node and a downstream node of the failed inter-domain link as a destination node. A device for recovering from an inter-domain link failure includes: a link resource manager, adapted to detect an inter-domain link failure; a connection controller, adapted to inquire for a recovery path to a downstream node, and notifies a protocol controller to establish the recovery path; the protocol controller, adapted to establish the recovery path.Type: ApplicationFiled: July 27, 2007Publication date: February 7, 2008Inventors: Huiying Xu, Yongliang Xu