Xu Chen
Xu Chen, Shanghai CN
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20110061061 | METHOD AND NETWORK ELEMENTS OF END-TO-END OVERLOAD CONTROL FOR DIAMETER APPLICATIONS - A method for overload control between a first application and a second application based on Diameter protocol, comprising: when the first application is overloaded, overload control information is set and sent to the second application; and the second application takes an action according to the overload control information. The invention also provides a Diameter protocol based network element comprising an overload control initiating device configured to: set overload control information to be sent to an opposite network element communicating with the network element when overload happens. In addition, the invention further provides a Diameter protocol based network element comprising an overload control response device configured to: when receiving overload control information sent by the opposite side, take an action according to the overload control information. | 03-10-2011 |
Xu Chen, Renton, WA US
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20100295873 | AUTOMATIC USER VIEWING PREFERENCE - A system may allow an initial viewing adjustment curve set at a factory to be adjusted by a user, and the adjustment may pull the viewing adjustment curve in a particular direction, but may not result in a multistep, jerky viewing adjustment curve. The curve of the viewing adjustment curve may remain a curve, but, through the use of regions and smoothing, the viewing adjustment curve may retain its curve design. | 11-25-2010 |
Xu Chen, Shenzhen CN
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20100049973 | METHOD, APPARATUS, AND SYSTEM FOR SENDING AND RECEIVING SECURITY POLICY OF MULTICAST SESSIONS - A method, apparatus, and system for sending and receiving a security policy of multicast sessions are provided. The method for sending the security policy of multicast sessions includes: after a Datagram Transport Layer Security (DTLS) session is set up between a sender and a receiver, receiving a security policy request from the receiver, constructing a security policy response according to a security policy, multiplexing the security policy response and Secure Real-Time Transport Protocol (SRTP) multicast session data, and sending the multiplexed data to the receiver. | 02-25-2010 |
20100106962 | METHOD, APPARATUS, AND SYSTEM FOR MANAGING MULTIMEDIA SERVICES - A method for managing multimedia services includes the following steps: A session receiver sends Real-time Transport Control Protocol (RTCP) packets to a distribution aggregation point, and each distribution aggregation point is connected to at least one session receiver and aggregates the received RTCP packets into the first aggregated packet whose format is different from the format of the RTCP packets; the distribution aggregation point sends the first aggregated packet to a distribution source over a transmission network, and the distribution source aggregates the aggregated packet into a second aggregated packet, and then processes the second aggregated packet and transmits it to a session sender, or transmits the second aggregated packet to the session sender directly. The present invention implements feedback of mass packets from the session receiver to the sender in large-scale multicast applications, and avoids the unicast bottleneck. | 04-29-2010 |
20150304224 | Method and Universal Interface Chip for Achieving High-Speed Data Transmission - A method for achieving high-speed data transmission is disclosed. The method includes: repacking a data packet to be transmitted using a preset bit width and adding a check code; for a correct response message, releasing system resources immediately, and for an incorrect response message, implementing an automatic retransmission operation on the data packet, thereby reducing the complexity and power consumption level of a chip, and ensuring the data exchange speed and quality. Also provided is a universal interface chip for achieving high-speed data transmission. | 10-22-2015 |
20160065791 | SOUND IMAGE PLAY METHOD AND APPARATUS - A sound image play method and apparatus, which relate to the field of multimedia, and can reproduce original stereo effects of any quantity of sound images corresponding to an image. A specific solution is: acquiring image position information; acquiring a sound channel information set according to the image position information; and playing a sound image in accordance with the sound channel information set. The embodiments of the present invention are used for sound image play. | 03-03-2016 |
Xu Chen, Simpsonville, SC US
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20090026639 | METHOD OF COATING AN OPHTHALMIC LENS USING A STAMP COATING - A method to produce in-mold coated lenses, and the coated lenses produced by the method. A cliche ( | 01-29-2009 |
20090124721 | METHOD FOR COATING AN OPHTHALMIC LENS WITHIN AN INJECTION MOLDING MACHINE - A method for in-mold coating of an injection molded thermoplastic lens that resides in an injection molding machine oriented to a horizontal parting line. An optical lens is initially formed by injecting molten thermoplastic resin into an edge-gated lens-forming cavity held closed under a primary clamp force. The mold is opened at a time when the lens is rigid enough to retain its shape. An unpressurized full metered charge of coating is applied onto the center of the lens. The coating is co-molded by ramping up the clamp force from zero to a secondary clamp force less than the primary clamp force to compress the coating into a uniformly thick, fringe-free layer. | 05-14-2009 |
20100065975 | INJECTION MOLDING A LENS ONTO A COATED OPHTHALMIC WAFER - A method of in-mold coating utilizing an injection molding machine oriented to a horizontal parting line. At the beginning of the cycle the mold opens and a charge of liquid coating solution is deposited onto the lower mold insert. A ophthalmic wafer is deposited on the coating to spread it across the insert surface. The mold is closed and a pre-cure phase elapses before the thermoplastic resin is injected into the mold cavity above the wafer. The process provides coated and functionally enhanced lenses upon ejection from the molding machine. | 03-18-2010 |
Xu Chen, Ann Arbor, MI US
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20090204696 | SERVICE DEPENDENCY DISCOVERY IN ENTERPRISE NETWORKS - The claimed subject matter provides systems and/or techniques that identify service dependencies in enterprise networks. The system can include devices that, based on received network data packets, identify packets with common five tuples, aggregate the identified packets to form transactions associated with individual hosts, and determine delay distributions between one or more services solicited from or in response to the individual hosts. Based on the delay distributions, the system differentiates between dependent service pairs and independent service pairs and thereafter assembles and outputs dependency graphs that include dependency relationships between services from the perspective of a client-side and a server-side. | 08-13-2009 |
20110125802 | Operating a Network Using Relational Database Methodology - In one embodiment, the disclosed technology involves modeling network elements, such as router configurations and link information, as well as any generic network status, as data in a relational database. Various network data, such as router states and link states are abstracted into tables in the relational database. Network management operations may then be represented as a series of transactional database queries and insertions. As a result, the database automatically propagates, to the appropriate network elements, state changes that are written to database tables, thereby implementing various network operations. Tables in the database can be constructed at various levels of abstraction, as required to satisfy network operational demands. Programmability is provided by a declarative language composed of a series of database queries and insertions. | 05-26-2011 |
20110125810 | Operating a Network Using Relational Database Methodology - In one embodiment, the disclosed technology involves modeling network elements, such as router configurations and link information, as well as any generic network status, as data in a relational database. Various network data, such as router states and link states are abstracted into tables in the relational database. Network management operations may then be represented as a series of transactional database queries and insertions. As a result, the database automatically propagates, to the appropriate network elements, state changes that are written to database tables, thereby implementing various network operations. Tables in the database can be constructed at various levels of abstraction, as required to satisfy network operational demands. Programmability is provided by a declarative language composed of a series of database queries and insertions. | 05-26-2011 |
20110153788 | Method and System for Automated Network Operations - A system includes a memory storing a set of instructions executable by a processor. The set of instructions is operable to receive a process for accomplishing a network management task, the process including a plurality of events including configuration changing events and condition checking events; receive parameters related to the task; include the parameters in the process; and execute the process. | 06-23-2011 |
20110154101 | INFRASTRUCTURE FOR RAPID SERVICE DEPLOYMENT - A controller is used to provide a sharable, programmable and composable infrastructure. The controller includes a user manager to take input of user application programming interface calls that correspond to actions accepted from users. A physical manager fulfills requests from the user manager by manipulating distributed physical resources and logical devices in a network controlled by the controller. A configuration effector implements configuration changes to the physical resources and logical devices. A device monitor determines a status of the physical resources and logical devices, propagates the status to the physical manager for detecting a failure of the physical resources and logical devices in real-time, and mitigates the failure. | 06-23-2011 |
20110166757 | CLOSED-LOOP FEEDBACK CONTROL AND REDUCTION OF THE TORQUE CONVERTER CLUTCH SLIP FOR ENHANCED DRIVABILITY FOR HEAVY TIP-IN MANEUVERS - A method for responding to a rapid change in engine torque includes monitoring a change in engine torque and determining a rapid change in engine torque when the change in engine torque exceeds a threshold change in engine torque. Subsequent to determining a rapid change in engine torque, an increase in the torque converter slip is provided by reducing the torque converter clutch pressure command by a selected value and thereafter the feedback control is deactivated for a predetermined duration. Subsequent to the predetermined duration, the feedback control is reactivated to decrease the torque converter slip toward a desired torque converter slip value. | 07-07-2011 |
20110190995 | CLUTCH SLIP RECOVERY SYSTEM AND METHOD - A system and method for transferring torque from a prime mover to a transmission includes a coupling device, a hydraulic control system and a control module. The coupling device includes a torque converter clutch (TCC), where the coupling device is located between an output of the prime mover and an input of the transmission. The TCC is actuated between a fully engaged position, a slip mode where slip occurs, and a fully disengaged position. The hydraulic control system includes a controller device that communicates an actuation pressure to the TCC. The actuation pressure actuates the TCC between the fully engaged position, the slip mode, and the fully disengaged position. The controller is in communication with the TCC, the output of the prime mover, the input of the transmission, and the controller device of the hydraulic control system. The controller regulates the actuation pressure. | 08-04-2011 |
20120002868 | METHOD FOR FAST SCENE MATCHING - A method for identifying digital images having matching backgrounds from a collection of digital images, comprising using a processor to perform the steps of: determining a set of one or more feature values for each digital image in the collection of digital images, wherein the set of feature values includes an edge compactness feature value that is an indication of the number of objects in the digital image that are useful for scene matching; determining a subset of the collection of digital images that are good candidates for scene matching by applying a classifier responsive to the determined feature values; applying a scene matching algorithm to the subset of the collection of digital images to identify groups of digital images having matching backgrounds; and storing an indication of the identified groups of digital images having matching backgrounds in a processor-accessible memory. | 01-05-2012 |
20120005243 | Operating a Network Using Relational Database Methodology - The disclosed technology involves the use of relational databases in conjunction with declarative language and network-wide, database abstractions to manage and operate networks. The data model creates a logically centralized database abstraction and access point for managing data relevant to network management. Exemplary managed data includes router configurations, network status and provisioning data. This information resides in a single database system which is tightly integrated with the operational network. Transactional write operations are used to change network configurations, and enforce constraints to detect and prevent policy violations during operation. In accordance with one aspect of the disclosed technology, a network operation is implemented by means of a series of database commands—read and/or write—from and to database view tables. | 01-05-2012 |
20120035819 | REAL TIME ESTIMATION ALGORITHM FOR TORQUE CONVERTER CLUTCH FEED FORWARD PRESSURE FOR ECCC CONTROL - A powertrain includes a torque generative device and a torque converter having an impeller, a turbine and a torque converter clutch. A method to control torque converter slip includes monitoring a reference slip and a turbine speed of the torque converter, determining a turbine torque based upon the reference slip and the turbine speed, determining a feed forward torque converter clutch pressure command based upon the turbine torque, a torque generative device torque, and a TCC gain, and controlling the torque converter clutch based upon the feed forward torque converter clutch pressure command. | 02-09-2012 |
20120296536 | ENGINE SPEED ASSIST TORQUE CONVERTER CLUTCH CONTROL - A method for controlling actuation of a torque converter clutch includes monitoring a transmission input speed, comparing the monitored transmission input speed to a threshold input speed, and, when the transmission input speed is less than the threshold input speed, controlling an engine speed based upon a desired minimum engine speed. Controlling the engine speed based upon the desired minimum engine speed includes monitoring a minimum engine speed critical parameter, determining the desired minimum engine speed based upon the minimum engine speed critical parameter, comparing the engine speed to the desired minimum engine speed, and controlling actuation of the clutch device based upon a result of the comparing the engine speed to the desired minimum engine speed. | 11-22-2012 |
20120311107 | METHODS AND APPARATUS TO CONFIGURE VIRTUAL PRIVATE MOBILE NETWORKS TO REDUCE LATENCY - Methods and apparatus to configure virtual private mobile networks for latency are disclosed. A disclosed example method includes provisioning logically a virtual private mobile network within a wireless network to reduce latency of a communication associated with a latency sensitive application, determining a mobile device is communicatively coupling to the wireless network via the latency sensitive application, and coupling the mobile device to the virtual private mobile network to reduce latency of the communication associated with the latency sensitive application. | 12-06-2012 |
20120331545 | METHODS AND APPARATUS TO CONFIGURE VIRTUAL PRIVATE MOBILE NETWORKS FOR SECURITY - Methods and apparatus to configure virtual private mobile networks for security are disclosed. A disclosed example method includes identifying, in a wireless network, a communication from a user equipment that matches a security event profile, transmitting, from the wireless network, an instruction to enable the user equipment to be communicatively coupled to a virtual private mobile network, the virtual private mobile network being provisioned for security within the wireless network, and enabling the user equipment to transmit a second communication through the virtual private mobile network securely isolated from other portions of the wireless network. | 12-27-2012 |
20130054763 | METHODS AND APPARATUS TO CONFIGURE VIRTUAL PRIVATE MOBILE NETWORKS WITH VIRTUAL PRIVATE NETWORKS - Methods and apparatus to configure virtual private mobile networks with virtual private networks are disclosed. A disclosed example method includes logically provisioning, for a client, the virtual private mobile network to process wireless network communications associated with the client that correspond to a specified address space of the client, provisioning at least a portion of a server within a cloud computing data center to host resources for the client, and configuring at least a portion of an edge router of the cloud computing data center to transmit the wireless network communications between the portion of the server and the virtual private mobile network. | 02-28-2013 |
Xu Chen, Saint Petersburg, FL US
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20080317950 | Method for adding a thermoset overmold layer to a lens within a mold - A method and coating used to prepare a photochromically-enabled bifocal ophthalmic lens. The method and equipment includes injection molding a single vision lens, for example, from polycarbonate. The clamp opens vertically and the top insert is exchanged for a bifocal mold having a base curve similar to the single vision lens. The thermoset coating includes compounds from several acrylate classes, and is applied to the single vision lens. The coating may include a photochromic dye. The coating is also formulated to receive a photochromic solution through an imbibition process. | 12-25-2008 |
Xu Chen, Ruian City CN
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20120025523 | QUICK JOINT IN HYDRAULIC PIPELINE - A quick joint in a hydraulic pipeline, more particularly, a quick pipeline joint applied to a hydraulic system, where frequent disconnection or connection of liquid pipelines is required. In one embodiment, the quick joint in the hydraulic pipeline includes an outer joint and an inner joint. The outer joint includes an oil pipe joint, O-rings, a block, a spring, a valve rod, a plunger, a joint sleeve and other parts. The inner joint includes a plurality of O-rings, a spring seat, a joint sleeve, a spring, an oil pipe joint and other parts. The outer joint and the inner joint can be connected or disconnected easily through insertion and pull-out of a circlip. | 02-02-2012 |
Xu Chen, Yangzhou CN
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20120095956 | PROCESS DRIVEN BUSINESS INTELLIGENCE - Described herein is a technology for facilitating process driven business intelligence. In one implementation, context data generated by a business process tool is received. One or more relevant application programming interfaces (APIs) are identified by matching the APIs with the current attribute associated with the context data. The APIs are executable by a processor to retrieve source data from an information source and provide business intelligence based on the source data. | 04-19-2012 |
Xu Chen, Ottawa CA
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20120221723 | TRANSIENT SUBSCRIPTION RECORDS - Various exemplary embodiments relate to a method and related network node including one or more of the following: receiving, at the session management node, an initial request message, the initial request message including at least one subscription identifier; determining that the session management node does not have access to a subscription record associated with the at least one subscription identifier; generating a transient subscription record based on the initial request message; and processing the initial request message based on the initial request message and the transient subscription record. | 08-30-2012 |
20120297074 | PERFORMANCE OPTIMIZATION IN SCHEDULED TASK PERFORMANCE - Various exemplary embodiments relate to a method and related network node including one or more of the following: determining, by the session management node, a next task time for a session; storing the next task time; waiting for a period of time; after waiting, determining whether a task should be performed with respect to the session based on the next task time; and if the task should be performed with respect to the session, sending a message to at least one other node in the subscriber network including an indication that the task should be performed with respect to the session. | 11-22-2012 |
Xu Chen, Chengdu CN
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20120236850 | METHOD AND DEVICE FOR BUFFERING CELL BY CROSSBAR SWITCHING MATRIX - The present invention discloses a method for buffering a cell by a crossbar switching matrix, which includes: sending a jitter timestamp to a switching port connected to the crossbar switching matrix through a link, and receiving a cell that is sent by the switching port and carries the jitter timestamp, in which the jitter timestamp indicates a jitter of the link itself; and using a sum of the jitter timestamp carried in the cell and a relative delay timestamp of the corresponding link as a total timestamp, and storing the cell in a buffering unit corresponding to the total timestamp in a cell buffer of the link, in which the relative delay timestamp indicates a difference of a delay of the link relative to a delay of a lowest link. | 09-20-2012 |
Xu Chen, Columbus, IN US
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20120270725 | SYSTEM, METHOD, AND APPARATUS FOR TREATING A PLATINUM CONTAMINATED CATALYTIC COMPONENT - An example method includes determining that a selective catalytic reduction (SCR) component having a zeolite-based catalyst is contaminated with platinum (Pt). The method further includes elevating the temperature of the SCR component to at least 600° C. in response to the determining the catalytic component is contaminated with Pt, and maintaining the elevated temperature of the catalytic component for a predetermined time period thereby restoring reduction activity of the catalyst. | 10-25-2012 |
20140241947 | SYSTEM, METHOD, AND APPARATUS FOR TREATING A PLATINUM CONTAMINATED CATALYTIC COMPONENT - An example method includes determining that a selective catalytic reduction (SCR) component having a zeolite-based catalyst is contaminated with platinum (Pt). The method further includes elevating the temperature of the SCR component to at least 600° C. in response to the determining the catalytic component is contaminated with Pt, and maintaining the elevated temperature of the catalytic component for a predetermined time period thereby restoring reduction activity of the catalyst. | 08-28-2014 |
20150072855 | DIAGNOSIS AND TREATMENT OF SELECTIVE CATALYTIC REDUCTION CATALYST - Described herein is a selective catalytic reduction (SCR) catalyst treatment system that includes a vanadium-based SCR catalyst contaminated with a water-soluble contaminant. The SCR catalyst treatment system also includes a water delivery system that is configured to apply water to the vanadium-based SCR catalyst to remove the water-soluble contaminant from the vanadium-based SCR catalyst. | 03-12-2015 |
20150231625 | DIAGNOSIS AND TREATMENT OF SELECTIVE CATALYTIC REDUCTION CATALYST - Described herein is a selective catalytic reduction (SCR) catalyst treatment system that includes a vanadium-based SCR catalyst contaminated with a water-soluble contaminant. The SCR catalyst treatment system also includes a water delivery system that is configured to apply water to the vanadium-based SCR catalyst to remove the water-soluble contaminant from the vanadium-based SCR catalyst. | 08-20-2015 |
Xu Chen, San Antonio, CA US
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20130026495 | III-Nitride Metal Insulator Semiconductor Field effect Transistor - A field effect transistor (FET) includes a III-Nitride channel layer, a III-Nitride barrier layer on the channel layer, wherein the barrier layer has an energy bandgap greater than the channel layer, a source electrode electrically coupled to one of the III-Nitride layers, a drain electrode electrically coupled to one of the III-Nitride layers, a gate insulator layer stack for electrically insulating a gate electrode from the barrier layer and the channel layer, the gate insulator layer stack including an insulator layer, such as SiN, and an AlN layer, the gate electrode in a region between the source electrode and the drain electrode and in contact with the insulator layer, and wherein the AlN layer is in contact with one of the III-Nitride layers. | 01-31-2013 |
Xu Chen, New Providence, NJ US
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20130054804 | System for Consolidating Heterogeneous Data Centers Through Virtualization of Services - A system for resource provisioning for content delivery of multiple services is disclosed. The system may be configured to offer multiple services, wherein at least one first offered service is delivery of prerecorded content and at least one second offered service is content delivered according to a deadline. In at least one embodiment, the first offered service may be video content, and the second offered service may be broadcast television content. The system may also be configured to deliver at least a portion of the first offered service in advance of use of that portion of the first offered service such that resource demand in connection with delivery of service content of the second offered service at peak delivery may be reduced. As such, fewer resources are needed to provide uninterrupted service of the first and second offered services. | 02-28-2013 |
Xu Chen, Hong Kong CN
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20130212450 | HIGH THROUGHPUT DECODER ARCHITECTURE FOR LOW-DENSITY PARITY-CHECK CONVOLUTIONAL CODES - A Low-Density Parity-Check Convolutional Code (LPDCCC) decoder ( | 08-15-2013 |
Xu Chen, Hangzhou CN
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20130275269 | SEARCHING SUPPLIER INFORMATION BASED ON TRANSACTION PLATFORM - The present disclosure provides a method and an apparatus for searching supplier information based on a transaction platform. Each supplier may have one or more product group information and each of the product group information may have its corresponding characteristic weighted parameter. A search request for one or more supplier submitted by a user is received. The search request includes one or more search keywords. A preset supplier information database is searched to find product group information of the suppliers that matches the search keywords. A weighted result of respective matched product group information of a respective supplier is obtained according to its respective characteristic weighted parameter. The weighted product group information of the suppliers is ranked and corresponding supplier information is returned to the user. The present techniques may provide individualized searching functionalities to a buyer and enable the buyer to efficiently and simply find a best supplier. | 10-17-2013 |
Xu Chen, Vancouver, WA US
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20140270347 | HIERARCHICAL IMAGE CLASSIFICATION SYSTEM - A technique for image processing that includes receiving a model image, an input image, and registering the input image with the model image. A modified input image is determined that includes a first component that is substantially free of error components with respect to the model image and a second component that is substantially free of non-error aspects with respect to the model image. The technique determines an improved alignment of the modified input image with the model image where the improved alignment and the first and second components are determined jointly. | 09-18-2014 |
20150181679 | TASK LIGHT BASED SYSTEM AND GESTURE CONTROL - A system that determines the task of the viewer and/or gestures made by the user. Based upon the determined task and/or the gestures, the lighting provided to the viewer may be modified. | 06-25-2015 |
Xu Chen, Los Angeles, CA US
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20150349117 | III-NITRIDE INSULATING-GATE TRANSISTORS WITH PASSIVATION - A field-effect transistor (FET) includes a plurality of semiconductor layers, a source electrode and a drain electrode contacting one of the semiconductor layers, a first dielectric layer on a portion of a top semiconductor surface between the source and drain electrodes, a first trench extending through the first dielectric layer and having a bottom located on a top surface or within one of the semiconductor layers, a second dielectric layer lining the first trench and covering a portion of the first dielectric layer, a third dielectric layer over the semiconductor layers, the first dielectric layer, and the second dielectric layer, a second trench extending through the third dielectric layer and having a bottom located in the first trench on the second dielectric layer and extending over a portion of the second dielectric, and a gate electrode filling the second trench. | 12-03-2015 |
Xu Chen, Shenyang City CN
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20160045952 | METHOD FOR MANUFACTURING HOLLOW INGOT FOR RETAINING RING OF LARGE GENERATOR BY ELECTROSLAG REMELTING - A method for manufacturing hollow ingot for retaining ring of large generator by electroslag remelting, comprising the following steps: (1) preparing consumable electrode assemblies; (2) melting slag into molten slag; (3) inserting one consumable electrode assembly into an electroslag remelting hollow ingot mold; (4) switching on two transformers; (5) pouring the molten slag into the electroslag remelting hollow ingot mold; (6) forming a current circuit among a stub, the consumable electrode assembly and a water-cooled bottom plate; (7) forming a current circuit among the upper segment, the water-cooled bottom plate and the transformer; (8) regulating the output current and voltage of the two transformers; (9) starting a withdrawing device to withdraw; (10) exchanging the consumable electrode assembly; (11) inserting a subsequent consumable electrode assembly into the molten slag, and repeating steps (8) to (10) until withdrawing is completed. | 02-18-2016 |