Patent application number | Description | Published |
20110061411 | Linear Compressor - The present invention relates to a linear compressor, and more particularly, to a linear compressor which supplies a necessary cooling capacity through a natural cooling capacity modulation and a forcible cooling capacity modulation, and a cooling system using the same. The linear compressor according to the present invention includes a compression space into which refrigerant is sucked, a movable member which linearly reciprocates to compress the refrigerant sucked into the compression space, one or more springs which are installed to elastically support the movable member in a motion direction of the movable member, a motor unit which includes a motor and a capacitor connected in series to the motor so as to make the movable member linearly reciprocate, and a motor control unit which performs a natural cooling capacity modulation according to a load by reciprocation of the movable member. | 03-17-2011 |
20110097224 | LINEAR COMPRESSOR - The present invention relates to a linear compressor, and more particularly to, a linear compressor which employs a conductor member in a linear motor instead of a magnet to produce a driving force by magnetic induction and automatically or naturally modulate a cooling capacity according to a load. The linear compressor of the present invention includes a fixed member provided with a compression space, a movable member which linearly reciprocates inside the fixed member to compress refrigerant, one or more springs installed to elastically support the movable member in a motion direction, a first stator applied with a current to produce a magnetic field, a second stator spaced apart from the first stator at a certain interval, a conductor member electromagnetically induced by the magnetic field produced by the first stator and the second stator to make the movable member linearly reciprocate, and a control unit which controls supply of the current with respect to the first stator. | 04-28-2011 |
20110135501 | LINEAR COMPRESSOR - The present invention relates to a linear compressor, and more particularly to, a linear compressor which employs a conductor member in a linear motor instead of a magnet to produce a driving force by magnetic induction and naturally modulate a cooling capacity according to a load. The linear compressor of the present invention includes a fixed member provided with a compression space, a movable member which linearly reciprocates inside the fixed member to compress refrigerant, a plurality of springs installed to elastically support the movable member in a motion direction, a first stator through which a current flows, a conductor member magnetically induced by the first stator to make the movable member linearly reciprocate, and a control unit which controls supply of a current with respect to the first stator. | 06-09-2011 |
20110135518 | LINEAR COMPRESSOR - The present invention relates to a linear compressor, and more particularly to, a linear compressor which employs a conductor member in a linear motor instead of a magnet to produce a driving force by electromagnetic induction. The linear compressor of the present invention includes a fixed member provided with a compression space, a movable member which linearly reciprocates inside the fixed member to compress refrigerant, one or more springs installed to elastically support the movable member in a motion direction, a stator composed of a first stator supplied with a current, and a second stator spaced apart from the first stator at a certain interval, a conductor member electromagnetically induced by a magnetic field produced by the stator to make the movable member linearly reciprocate, and a control unit which controls supply of the current with respect to the first stator. | 06-09-2011 |
20110318193 | LINEAR COMPRESSOR - The present invention discloses a linear compressor which makes it possible to adjust a variable rate of a cooling capacity. The linear compressor includes a fixed member having a compression space therein, a movable member linearly reciprocated in the fixed member to compress a refrigerant sucked into the compression space, one or more springs provided to elastically support the movable member in the motion direction of the movable member, a motor unit including a motor connected to the movable member to linearly reciprocate the movable member in the axial direction and a capacitor connected in series to the motor, and a motor control unit controlling an AC voltage applied to the motor to adjust a variable rate of a cooling capacity by the reciprocation of the movable member. | 12-29-2011 |
20120034104 | LINEAR COMPRESSOR - The present invention discloses a linear compressor which makes it possible to precisely operate a voltage using a current without having a high-capacity capacitor connected in series to a motor. The linear compressor comprises a mechanical unit including a fixed member having a compression space therein, a movable member linearly reciprocated in the fixed member to compress a refrigerant sucked into the compression space, one or more springs provided to elastically support the movable member in the motion direction of the movable member, and a motor connected to the movable member to linearly reciprocate the movable member in the axial direction, and an electric control unit including a rectification unit receiving AC power and outputting a DC voltage, an inverter unit receiving the DC voltage, converting the DC voltage to an AC voltage according to a control signal, and supplying the AC voltage to the motor, a current sensing unit sensing a current flowing between the motor and the inverter unit, an integrator circuit unit integrating a voltage corresponding to the current from the current sensing unit, and a control unit receiving an integrated value from the integrator circuit unit and controlling the AC voltage applied to the motor to permit the reciprocation of the movable member. | 02-09-2012 |
Patent application number | Description | Published |
20080318570 | METHOD AND APPARATUS FOR INTERFACING AMONG MOBILE TERMINAL, BASE STATION AND CORE NETWORK IN MOBILE TELECOMMUNICATIONS SYSTEM - A method, apparatus and a computer readable record media storing instructions for executing the same method for interfacing among a hybrid type synchronous or asynchronous terminal to a core network in a next generation mobile telecommunications system. The hybrid type synchronous or asynchronous radio network determines the operating type of the core network when the core network has a connection thereto, and sends the determined core network operating type information and information related to the core network to the hybrid type synchronous or asynchronous terminal, thereby allowing the synchronous or asynchronous terminal to smoothly perform a data interfacing operation with the core network. | 12-25-2008 |
20090196222 | Method and apparatus for interfacing synchronous core network with asynchronous radio network - A method and apparatus for interfacing a synchronous core network with an asynchronous radio network in a next-generation mobile telecommunications system is disclosed. The method for mapping a message in order to interface a synchronous core network with an asynchronous radio network, the radio network having a base station (BS), the base station having a radio resource controller, a radio link controller, a medium access controller and a physical controller, the method comprising the steps of: a) selecting a function necessary to map a synchronous message to an asynchronous message; b) determining whether the synchronous message is to be transmitted to the mobile station or not; c) storing information necessary to map the synchronous message to the asynchronous message if the synchronous message is to transmitted to the mobile station, d) mapping parameters in the synchronous message to those in the asynchronous message, thereby generating the asynchronous message; e) discarding the message not to be transmitted to the mobile station after storing parameters included in the message not to be transmitted onto a predetermined device; and f) transmitting the asynchronous message to the radio resource controller. | 08-06-2009 |
20120202534 | METHOD AND APPARATUS FOR INTERFACING SYNCHRONOUS CORE NETWORK WITH ASYNCHRONOUS RADIO NETWORK - A method and apparatus for interfacing a synchronous core network with an asynchronous radio network in a next-generation mobile telecommunications system is disclosed. The method includes: a) selecting a function necessary to map a synchronous message to an asynchronous message; b) determining whether the synchronous message is to be transmitted to the mobile station or not; c) storing information necessary to map the synchronous message to the asynchronous message if the synchronous message is to transmitted to the mobile station, d) mapping parameters in the synchronous message to those in the asynchronous message, thereby generating the asynchronous message; e) discarding the message not to be transmitted to the mobile station after storing parameters included in the message not to be transmitted onto a predetermined device; and f) transmitting the asynchronous message to the radio resource controller. | 08-09-2012 |
20120329453 | METHOD AND APPARATUS FOR INTERFACING AMONG MOBILE TERMINAL, BASE STATION AND CORE NETWORK IN MOBILE TELECOMMUNICATIONS SYSTEM - A method, apparatus and a computer readable record media storing instructions for executing the same method for interfacing among a hybrid type synchronous or asynchronous terminal to a core network in a next generation mobile telecommunications system. The hybrid type synchronous or asynchronous radio network determines the operating type of the core network when the core network has a connection thereto, and sends the determined core network operating type information and information related to the core network to the hybrid type synchronous or asynchronous terminal, thereby allowing the synchronous or asynchronous terminal to smoothly perform a data interfacing operation with the core network. | 12-27-2012 |
20130225187 | METHOD AND APPARATUS FOR INTERFACING AMONG MOBILE TERMINAL, BASE STATION AND CORE NETWORK IN MOBILE TELECOMMUNICATIONS SYSTEM - A method, apparatus and a computer readable record media storing instructions for executing the same method for interfacing among a hybrid type synchronous or asynchronous terminal to a core network in a next generation mobile telecommunications system. The hybrid type synchronous or asynchronous radio network determines the operating type of the core network when the core network has a connection thereto, and sends the determined core network operating type information and information related to the core network to the hybrid type synchronous or asynchronous terminal, thereby allowing the synchronous or asynchronous terminal to smoothly perform a data interfacing operation with the core network. | 08-29-2013 |
20140313977 | METHOD AND APPARATUS FOR INTERFACING AMONG MOBILE TERMINAL, BASE STATION AND CORE NETWORK IN MOBILE TELECOMMUNICATIONS SYSTEM - A method, apparatus and a computer readable record media storing instructions for executing the same method for interfacing among a hybrid type synchronous or asynchronous terminal to a core network in a next generation mobile telecommunications system. The hybrid type synchronous or asynchronous radio network determines the operating type of the core network when the core network has a connection thereto, and sends the determined core network operating type information and information related to the core network to the hybrid type synchronous or asynchronous terminal, thereby allowing the synchronous or asynchronous terminal to smoothly perform a data interfacing operation with the core network. | 10-23-2014 |