| Patent application number | Description | Published |
|---|
| 20090045688 | Permanent Magnet Machine - A permanent magnet electric machine with optimum motoring efficiency is disclosed. It is adapted for use in a hybrid electric vehicle powertrain. An asymmetric magnetic flux distribution pattern in the rotor of the machine is established to improve operating efficiency of the machine when it is in a motoring mode. | 02-19-2009 |
| 20090212653 | ELECTRIC MACHINE WINDING ARRANGEMENT - Rotational electric machine stator winding arrangement characterized, inter alia, by at least one coil of each parallel circuit being discontinuous with the other coils of the corresponding circuit, and by coils configured to accept phase voltage not being adjacent coils having a point at the lowest potential of a corresponding circuit. | 08-27-2009 |
| 20100308678 | Permanent Magnet Machine - A permanent magnet electric machine with optimum motoring efficiency is disclosed. It is adapted for use in a hybrid electric vehicle powertrain. An asymmetric magnetic flux distribution pattern in the rotor of the machine is established by asymmetrically positioning rotor openings relative to rotor magnets to improve operating efficiency of the machine when it is in a motoring mode. | 12-09-2010 |
| 20110080244 | INDUCTOR TOPOLOGIES WITH SUBSTANTIAL COMMON-MODE AND DIFFERENTIAL-MODE INDUCTANCE - An inductor includes a core that has a window ( | 04-07-2011 |
| 20110080246 | INDUCTOR TOPOLOGIES WITH SUBSTANTIAL COMMON-MODE AND DIFFERENTIAL-MODE INDUCTANCE - An inductor includes a core that has a window. The core includes a first core member and a second core member. A first winding is coupled to the first core member and a second winding is coupled to the second core member. A floating center leg is coupled between, but not attached to, the first and second core members. The floating center leg is conductively enabling flux flow between the first core member and the second core member. | 04-07-2011 |
| 20120032549 | Permanent Magnet Machine - A permanent magnet electric machine with optimum motoring efficiency is disclosed. It is adapted for use in a hybrid electric vehicle powertrain. An asymmetric magnetic flux distribution pattern in the rotor of the machine is established by asymmetrically positioning rotor openings relative to rotor magnets to improve operating efficiency of the machine when it is in a motoring mode. | 02-09-2012 |
| Patent application number | Description | Published |
|---|
| 20100117475 | Permanent Magnet Machine with Offset Pole Spacing - An internal permanent magnet machine has multiple rotor sections, each section having multiple rotor laminations. Permanent magnets are placed asymmetrically in lamination openings to attenuate oscillations in torque caused by harmonic components of magnetic flux. | 05-13-2010 |
| 20110001382 | Permanent Magnet Machine with Offset Pole Spacing - An internal permanent magnet machine has multiple rotor sections, each section having multiple rotor laminations. Permanent magnets are placed asymmetrically in lamination openings to attenuate oscillations in torque caused by harmonic components of magnetic flux. | 01-06-2011 |
| 20110031843 | Permanent Magnet Machine with Different Pole Arc Angles - An internal permanent magnet machine has multiple rotor sections, each section having multiple rotor laminations. Permanent magnets are placed asymmetrically in lamination openings to attenuate oscillations in torque caused by harmonic components of magnetic flux. Asymmetry is achieved by placing adjacent permanent magnets or magnet sets on the rotor periphery with different rotor magnetic pole arc angles. | 02-10-2011 |
| 20110074243 | STATOR FOR AN ELECTRIC MACHINE - A stator for an electric machine has a circular stator body surrounding a rotor with an air gap therebetween. The stator has radially extending slots that define radially extending stator teeth. Multiple electric windings are located in the slots to define peripherally spaced magnetic poles. Separate coil groups establish multiple phases for the electric machine. Motor torque ripple is attenuated by forming the stator teeth with different widths for a given coil group. | 03-31-2011 |
| 20110144843 | PERMANENT MAGNET TEMPERATURE ESTIMATION - A method of controlling a vehicle including a permanent magnet (PM) synchronous motor is provided. The motor is controlled based on direct-axis (d-axis) and quadrature-axis (q-axis) current commands. The method includes estimating permanent magnet flux linkage based on q-axis voltage and electrical angular speed, and estimating permanent magnet temperature based on permanent magnet flux linkage and the temperature coefficient of the permanent magnet. The vehicle is controlled based on the estimated permanent magnet temperature. | 06-16-2011 |
| 20110169369 | STATOR FOR AN ELECTRIC MACHINE - An electric machine having a stator surrounding a rotor with an air gap therebetween. The stator has slots in its inner margin for accommodating stator coil windings. Stator teeth defined by the slots have irregular shapes to modify a variable flux flow pattern in the air gap to reduce harmonic torque components with minimal effect on an average value of rotor torque. | 07-14-2011 |
| 20110285239 | Permanent Magnet Machine with Offset Pole Spacing - An internal permanent magnet machine has multiple rotor sections, each section having multiple rotor laminations. Permanent magnets are placed asymmetrically in lamination openings to attenuate oscillations in torque caused by harmonic components of magnetic flux. | 11-24-2011 |
| Patent application number | Description | Published |
|---|
| 20090308611 | Wellbore Servicing Compositions Comprising a Density Segregation Inhibiting Composite and Methods of Making and Using Same - A method of servicing a wellbore comprising placing a wellbore servicing fluid comprising a density segregation inhibitor composite into the wellbore, wherein the density segregation inhibitor composite comprises a high density additive and a low density additive; and wherein the high density additive comprises barium sulfate, iron oxide, manganese oxide, or combinations thereof. A method of inhibiting segregation of particles in a wellbore servicing fluid comprising preparing a composite material comprising a high density additive and a low density additive, wherein the low density additive comprises an elastomer which can increase in volume by greater than about 300% based on its original volume when contacted with a fluid. | 12-17-2009 |
| 20110067864 | Compositions for Improving Thermal Conductivity of Cement Systems - The present invention relates to methods of cementing in subterranean formations and associated compositions. A method of cementing in a subterranean formation comprises placing a cement composition comprising a non-metallic thermally conductive fiber into the subterranean formation, and allowing the composition to set therein, wherein the non-metallic thermally conductive fiber has a thermal conductivity greater than about 500 W/m·K. Another method of cementing in a subterranean formation comprises providing a cement composition comprising a pitch-based carbon fiber, a hydraulic cement material, and water, placing the cement composition in a formation, and allowing the cement composition to set therein, wherein said pitch-based carbon fiber has a density of from about 2.0 grams/cc to about 2.3 grams/cc. A cement composition comprising a cementitious material, water, and a non-metallic thermally conductive fiber having a thermal conductivity greater than about 500 W/m·K, or a pitch-based carbon fiber having a density of from about 2.0 grams/cc to about 2.3 grams/cc. | 03-24-2011 |
| 20110214859 | Clean Viscosified Treatment Fluids and Associated Methods - Treatment fluids comprising an aqueous base fluid, a compliant cellulosic viscosifying agent, a crosslinking agent, and a protective ligand are provided. The present invention provides methods of using the treatment fluids in subterranean formations. One example of a suitable method includes providing a fracturing fluid comprising an aqueous base fluid, a compliant cellulosic viscosifying agent, a crosslinking agent, and a protective ligand and introducing the fracturing fluid into at least a portion of a subterranean formation at a rate and pressure sufficient to create or enhance at least one or more fractures in the subterranean formation. | 09-08-2011 |
| 20110214860 | Clean Viscosified Treatment Fluids and Associated Methods - The present invention relates to low environmental impact treatment fluids comprising a compliant crosslinking agent, and methods of use employing such treatment fluids to treat subterranean formations. The methods include providing a low environmental impact treatment fluid including an aqueous base fluid, a viscosifying agent, and a compliant crosslinking agent that comprises an iron ion and a non-iron crosslinking metal ion; and placing the treatment fluid in a subterranean formation. In some embodiments, the viscosifying agent may be a compliant viscosifying agent. | 09-08-2011 |
| 20110214868 | Clean Viscosified Treatment Fluids and Associated Methods - Treatment fluids comprising an aqueous base fluid, a viscosifying agent, and a compliant dual-functional additive are provided. The present invention provides methods of using the treatment fluids in subterranean formations. One example of a suitable method includes providing a fracturing fluid comprising an aqueous base fluid, a viscosifying agent, and a compliant dual-functional additive that acts as a fluid loss control agent and a breaker and introducing the fracturing fluid into at least a portion of a subterranean formation at a rate and pressure sufficient to create or enhance at least one or more fractures in the subterranean formation. | 09-08-2011 |
| Patent application number | Description | Published |
|---|
| 20090210743 | METHOD AND DEVICE FOR REALIZING IP MULTIMEDIA SUBSYSTEM DISASTER TOLERANCE - A method for realizing an Internet protocol (IP) multimedia subsystem (IMS) disaster tolerance includes the steps as follows. An S-CSCF receives a user registration, and backs up necessary data which is required when a user service processing is restored on a storage entity in a network. An I-CSCF of user's home domain receives a service request of the user, and if it is found that the S-CSCF currently providing a service for the user fails, assigns a new S-CSCF to the user, and forwards the service request to the newly assigned S-CSCF. The newly assigned S-CSCF interrogates and acquires subscription data of the user and the necessary data backed up by the original S-CSCF from the storage entity, and then restores the user service processing according to the subscription data and the backup data. A device for realizing an IMS disaster tolerance is also provided. | 08-20-2009 |
| 20100039930 | Method, Apparatus, and System for Disaster Recovery of IMS - A method, apparatus, and system for disaster recovery of an IP Multimedia Subsystem (IMS) are provided. The method includes: triggering a redundant Call Session Control Function (CSCF); obtaining, by the redundant CSCF, user backup data of registered IMS Private User Identities (IMPIs) that are associated with IMPUs and user service configuration data of IMS Public User Identities (IMPUs) in an IMS subscription from a network storage entity of a user; and recovering, by the redundant CSCF, a corresponding service according to the obtained user backup data of the registered IMPIs and user service configuration data of the IMPUs in the IMS subscription. With the present invention, the one-IMPU multi-IMPI, one-IMPI multi-IMPU, or multi-IMPI multi-IMPU service can be recovered, and this enables the user to have better service continuity experiences. | 02-18-2010 |
| 20120014286 | Configuration method and configuration device for the backhaul link in a long term evolution system - The present invention provides a configuration method for a backhaul link in a Long Term Evolution (LTE) system, and the method includes: when a network side configures a relay subframe, configuring the relay subframe to be a Multicast Broadcast Single Frequency Network (MBSFN) subframe on a downlink access link, configuring a relay subframe to be a unicast subframe or non-MBSFN subframe on a downlink backhaul link. And meanwhile, the present invention provides a configuration device for the backhaul link in the LTE system, which includes: a configuration unit for configuring a relay subframe to be a unicast subframe or non-MBSFN subframe on a downlink backhaul link when a relay subframe is configured by the network side and configured to be an MBSFN subframe on a downlink access link. The present invention improves the communication efficiency of the backhaul link and the access flexibility of UE in the cell covered by the base station. | 01-19-2012 |
| 20120044802 | METHOD AND DEVICE FOR REALIZING IP MULTIMEDIA SUBSYSTEM DISASTER TOLERANCE - A method for realizing an Internet protocol (IP) multimedia subsystem (IMS) disaster tolerance includes the steps as follows. An S-CSCF receives a user registration, and backs up necessary data which is required when a user service processing is restored on a storage entity in a network. An I-CSCF of user's home domain receives a service request of the user, and if it is found that the S-CSCF currently providing a service for the user fails, assigns a new S-CSCF to the user, and forwards the service request to the newly assigned S-CSCF. The newly assigned S-CSCF interrogates and acquires subscription data of the user and the necessary data backed up by the original S-CSCF from the storage entity, and then restores the user service processing according to the subscription data and the backup data. A device for realizing an IMS disaster tolerance is also provided. | 02-23-2012 |
| 20120057521 | METHOD FOR IMPLEMENTING RELAY STATION DOWNLINK COOPERATIVE RETRANSMISSION AND A RELAY STATION - A method for implementing relay station downlink retransmission and a relay station are disclosed by the present invention. According to the situation of the least available radio resource number for retransmission data on a retransmission sub-frame, the relay station of the present invention performs corresponding physical layer processing in advance for the data to be retransmitted until the OFDM signal is generated, and retransmits the OFDM signal on the retransmission sub-frame. By the method of the present invention, the problem is resolved efficiently that the relay station cooperative communication cannot be performed normally due to the change of the radio resource number during downlink data retransmission, so that the normal implementation of the relay station downlink cooperative communication is ensured; furthermore, the method of the present invention does not induce any extra overhead and time delay, needs no signaling control, can be easily implemented, reduces the system complexity, ensures the flexibility of sub-frame configuration, thereby improving service quality and resource utilization rate. | 03-08-2012 |
| 20120063384 | Method and System for Transmitting Relay Link Control Channel - A method and system for transmitting a relay link control channel are disclosed for realizing the mapping and transmission of a control channel on a link from an eNode-B to a relay node. In the present invention, in a frequency division multiplex mode, control information is carried by one or more resource blocks in the frequency direction and the universal set of OFDM symbols available to a relay link in a subframe in the time direction; in a time division and frequency division multiplex mode, control information is carried by one or more resource blocks in the frequency direction and a subset of OFDM symbols available to a relay link in a subframe in the time direction; in a time division multiplex mode, control information is carried by all the resource blocks in the frequency direction and a subset of OFDM symbols available to a relay link in a subframe in the time direction; and the mapping of the control channel includes mapping in the time direction and/or the frequency direction. The present invention has backward compatibility and can obtain frequency diversity again. The time division multiplex mode can save power consumption, and the frequency division multiplex mode and the time division and frequency division multiplex mode have the advantages of flexible service scheduling. | 03-15-2012 |
| Patent application number | Description | Published |
|---|
| 20110217986 | METHOD AND DEVICE FOR SELECTING THE RESOURCE PROCESSING MANNER - The present invention provides a method and device for selecting a resource processing manner, wherein the method is applied to a communication system including a user terminal, a relay station and a base station, and comprises the following operations: a configuring step of configuring a dedicated pilot, wherein the dedicated pilot is configured to measure parameters of a link from the relay station to the user terminal; an acquiring step of acquiring a first parameter value of a common pilot and a second parameter value of the dedicated pilot; a comparing step of comparing the first parameter value with the second parameter value; and a selecting step of selecting a resource processing manner according to the comparison result, wherein the resource processing manner comprises: a cooperation manner and/or a non-cooperation manner. | 09-08-2011 |
| 20110286821 | Parking Deck Structure of Non-Dodging Three-Dimensional Parking Garage - A parking deck structure for a non-dodging three-dimensional (3D) parking garage is provided. The parking deck structure includes a parking deck, a parking deck column, a rotary column, and rollers for supporting upward and downward movement of the parking deck along the rotary column. Two wing plates are connected to two opposing sides of the parking deck column. With this arrangement, the parking deck structure is simple in structure and low in cost, and has high bending resistance and a better capability to support the rollers. Furthermore, an end surface connecting plate extending outward is disposed at a lower end of the parking deck column, and the parking deck column is joined to the parking deck by the end surface connecting plate. Accordingly, the parking deck structure is easy to assemble and transport. | 11-24-2011 |
