Patent application number | Description | Published |
20120324877 | SYSTEM FOR DRIVING A BOOM OF A HYBRID EXCAVATOR AND A CONTROL METHOD THEREOF - Disclosed are a system for driving a boom of a hybrid excavator, and a method for controlling same. The disclosed system comprises: an electric motor operating by means of a motor or generator; a capacitor for storing electricity generated by the electric motor; a hydraulic pump motor driven by the electric motor to supply working oil to a boom; a boom control valve having a closed circuit for selectively connecting/disconnecting a discharge line and an inlet line of the hydraulic pump motor to/from a head or a load of the boom; a main pump driven by a driving source arranged separately from the motor so as to supply working oil to a bucket, driving motor, or arm; a boom-assisting valve, which connects a discharge line of the main pump to the discharge line of the hydraulic pump motor, such that working oil discharged from the main pump and the hydraulic pump motor can be combined; and a control unit for controlling the electric motor, the hydraulic pump motor, and the boom control valve. The system of the present disclosure minimizes the loss of energy during excavation, which is the main use of an excavator, while using the electric motor, ensures the operating performance of the boom, and recovers regenerative energy from the boom. | 12-27-2012 |
20130291531 | HYBRID EXCAVATOR BOOM ACTUATING SYSTEM AND METHOD FOR CONTROLLING SAME - The present disclosure relates to a hybrid excavator boom actuating system and to a method for controlling the same. The boom actuating system comprises: an electric motor serving as a motor or a generator; an ultra capacitor for storing electricity generated by the electric motor; a hydraulic pump motor driven by the electric motor to supply hydraulic fluid to a boom; a boom control valve which has a closed circuit for selectively connecting or disconnecting an outlet line and an inlet line of the hydraulic pump motor to or from a head or a rod side of the boom; a main pump driven by the engine to supply hydraulic fluid to a bucket, a travel motor or an arm; a motor bypass valve connected to the outlet line and the inlet line to interconnect the outlet line and the inlet line or disconnect the outlet line from the inlet line; and a controller for controlling the electric motor, the hydraulic pump motor, the boom control valve and the motor bypass valve. | 11-07-2013 |
20150042259 | EMERGENCY STOP METHOD FOR HYBRID CONSTRUCTION EQUIPMENT AND BRAKE CONTROL DEVICE - The present disclosure relates to an emergency stop method for hybrid construction equipment and a brake control device, and more particularly, to an emergency stop method for hybrid construction equipment and a brake control device, which may confirm a failure occurrence location of the hybrid construction equipment, absorb inertial energy of the swing body using several functions for each generated failure location so as to stably stop the swing body in an emergency manner, and when the failure occurs in the hybrid construction equipment, create the brake pattern by using the swing speed or the front information, control a brake of the swing body by controlling a voltage control valve or a hydraulic valve in accordance with the created brake pattern, such that a user may smoothly stop the swing body in accordance with a desired stop speed profile. | 02-12-2015 |
Patent application number | Description | Published |
20100035429 | METHOD FOR FABRICATING SEMICONDUCTOR DEVICE - A fabricating method of a polysilicon layer is disclosed which can be applied for fabricating a semiconductor device such as a SRAM and so on. The method for fabricating the semiconductor device includes the steps of: forming a transistor included in the semiconductor device on a semi conductor substrate forming an insulating layer on the transistor; forming contact holes, through which a region of the transistor is exposed, by selectively removing the insulating layer forming a silicon layer in the contact holes forming a metal layer on the insulating layer and the silicon layer; forming a metal suicide layer through heat treatment of the silicon layer and the metal layer; removing the metal layer; forming an amorphous silicon layer on the insulating layer and the metal suicide layer; and forming a polysilicon layer through heat treatment of the amorphous silicon layer | 02-11-2010 |
20110107968 | SEMICONDUCTOR MANUFACTURING APPARATUS - A semiconductor manufacturing apparatus includes: a reaction chamber for providing an airtight process space; a boat for loading/unloading a pair of semiconductor substrates into/from the reaction chamber, wherein the boat includes susceptors and rotary tables to be rotatably supported by a plurality of supporting rollers, each semiconductor substrate being mounted onto each susceptor and each susceptor being mounted onto each rotary table, respectively; heaters, arranged at backsides of the semiconductor substrates, for performing an epitaxial process in the reaction chamber; a process gas nozzle, installed to encircle an upper fringe of the semiconductor substrates; an exhaust gas nozzle, installed to encircle a lower fringe of the semiconductor substrates; and a purge gas nozzle for supplying a purge gas capable of preventing an outer wall of the process gas nozzle from being deposited, wherein the purge gas nozzle is arranged near to the process gas nozzle. | 05-12-2011 |
20110288176 | ETHACRYNIC ACID-CONTAINING COMPOSITION FOR PREVENTION OR TREATMENT OF TRANSGLUTAMINASE-RELATED DISEASES AND METHOD FOR PREVENTION OR TREATMENT OF TRANSGLUTAMINASE-RELATED DISEASES USING THE SAME - The present invention relates to ethacrynic acid and a transglutaminase inhibitor comprising a pharmaceutically acceptable salt of ethacrynic acid; more particularly, to ethacrynic acid for inhibiting the activity of transglutaminase involved in the pathogenesis of diseases in cases of altered expression, a transglutaminase inhibitor comprising a pharmaceutically acceptable salt of ethacrynic acid, and to a novel use of thereof. According to the present invention, there are provided ethacrynic acid, a transglutaminase inhibitor comprising active components of a pharmaceutically acceptable salt of ethacrynic acid and a transglutaminase inhibition method. The present ethacrynic acid, transglutaminase inhibitor comprising a pharmaceutically acceptable salt of ethacrynic acid or ethacrynic acid itself, and transglutaminase inhibition method provide a safer application without side effects to a patient having a disease where altered expression of transglutaminase is observed, thereby providing the inhibitory effect on transglutaminase. | 11-24-2011 |
Patent application number | Description | Published |
20100214190 | ANTENNA HAVING A CHOKE MEMBER - An antenna for enhancing characteristic of a beam with reducing PIMD is disclosed. The antenna includes a reflection plate, at least one first choke member disposed on one side of the reflection plate, an insulated member disposed between the reflection plate and the first choke member, thereby separating the first choke member from the reflection plate, wherein the insulated member is an insulator, and a connection member configured to connect electrically the first choke member to the reflection plate through the insulated member, wherein the connection member is a conductor. | 08-26-2010 |
20110134005 | APPARATUS FOR ADJUSTING AN INCLINATION ANGLE IN AN ANTENNA - An apparatus for adjusting an inclination angle of an antenna using a rotatory power is disclosed, wherein a remote control unit is easily combined with the apparatus. The apparatus in an antenna having a phase shifter includes a power delivering member connected to the phase shifter, and a driving member combined with the power delivering member, and for providing a power to the power delivering member. Here, an inserting section is formed at a part of outside surfaces of the driving member, a remote control unit is inserted into the inserting section and rotates the driving member, and the power delivering member rotates in response to the power provided from the driving member. Accordingly, any given member is not removed when the remote control unit is combined with the apparatus. As a result, the remote control unit may be easily combined with the apparatus, and any member is not lost. | 06-09-2011 |
Patent application number | Description | Published |
20120280694 | BATTERY SYSTEM - A battery system is disclosed. In one embodiment, the system includes i) a plurality of battery modules each of which is configured to store power, wherein each battery module is electrically connected to at least one other battery module and ii) a plurality of management units configured to monitor states of the battery modules. Each management unit is electrically connected to at least one other management unit and one or more of the battery modules. Each management unit may include: at least one measuring unit configured to perform the monitoring and a receiving unit configured to i) receive measurement data including the monitoring results from the measuring unit via a first communication protocol and ii) receive measurement data from another receiving unit included in another management unit via a second communication protocol different from the first communication protocol. | 11-08-2012 |
20130130068 | BATTERY SYSTEM, METHOD OF CONTROLLING THE BATTERY SYSTEM, AND ENERGY STORAGE SYSTEM INCLUDING THE SAME - A battery system, a method of controlling the battery system, and an energy storage system including the battery system. The battery system includes: a plurality of tray battery management systems (BMSs) controlling at least one battery tray formed of a plurality of battery cells; and a rack BMS transmitting a synchronization signal to the tray BMSs to measure monitoring data, wherein the tray BMSs transmit the synchronization signal to a next tray BMS, measure monitoring data of the at least one battery tray via the transmitted synchronization signal, and transmit the measured monitoring data to the rack BMS. Accordingly, measurement accuracy of battery voltages and battery charging/discharging currents may be improved, and also, calculation accuracy of state of charge (SOC) and state of health (SOH) may be improved. | 05-23-2013 |