Patent application number | Description | Published |
20090036501 | 2-Cyclopenten-1-One Oxime Derivatives Inhibiting Production of TNF-Alpha - 2-cyclopenten-1-one oxime derivatives represented by Formula (I), or pharmaceutically acceptable salts thereof inhibit the production of TNF-α or PDE4, and therefore show therapeutic effect in inflammatory or immunological disorders mediated through TNF-α or PDE4. | 02-05-2009 |
20090105258 | NOVEL COMPOUNDS, ISOMER THEREOF, OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF AS VANILLOID RECEPTOR ANTAGONIST; AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME - This present invention relates to novel compounds, isomer thereof or pharmaceutically acceptable salt thereof as vanilloid receptor (Vanilloid Receptor 1; VR1; TRRPV1) antagonist; and a pharmaceutical composition containing the same. The present invention provides a pharmaceutical composition for preventing or treating a disease such as pain, migraine, arthralgia, neuralgia, neuropathies, nerve injury, skin disorder, urinary bladder hypersensitiveness, irritable bowel syndrome, fecal urgency, a respiratory disorder, irritation of skin, eye or mucous membrane, stomach-duodenal ulcer, inflammatory diseases, ear disease, and heart disease. | 04-23-2009 |
20090117192 | COMPOSITION FOR TRANSDERMAL ABSORPTION AND FORMULATION COMPRISING A POLYMERIC MATRIX FORMED THEREFROM - The inventive composition for transdermal absorption characterized by comprising a nonsteroidal anti-inflammatory drug as an active ingredient together with an alkali metal-containing alcohol derivative as a solubilizing agent for the active ingredient comprises a high concentration of the active ingredient while using only a small amount of the solvent, and a transdermal absorption formulation comprising a polymeric matrix formed from the composition is capable of maximizing the skin absorption of the active ingredient with minimal skin irritation. | 05-07-2009 |
20140011881 | NOVEL COMPOUNDS, ISOMER THEREOF, OR PHARMACEUTICALLY ACCEPTABLE SALTS THEREOF AS VANILLOID RECEPTOR ANTAGONIST; AND PHARMACEUTICAL COMPOSITIONS CONTAINING THE SAME - This present disclosure relates to novel compounds, isomer thereof or pharmaceutically acceptable salts thereof as vanilloid receptor (Vanilloid Receptor 1; VR1; TRPV1) antagonist; and a pharmaceutical composition containing the same. | 01-09-2014 |
20150290099 | NOVEL PSEUDOCERAMIDE COMPOUND AND PRODUCTION METHOD FOR SAME - The present invention provides: a novel pseudoceramide compound, an isomer thereof, a pharmaceutically acceptable salt thereof, a prodrug thereof, a hydrate thereof or a solvate thereof. The present invention has a skin protecting effect in that the invention has a superior effect in skin moisturisation and is outstandingly stable and soluble, and thus the invention can protect the skin from external irritation without side effects, and can be used as an active substance in damaged skin recovery and prevention. Consequently, the invention can be used as a skin-moisturising dermatological external composition, cosmetic composition or pharmaceutical composition. | 10-15-2015 |
Patent application number | Description | Published |
20090128837 | IMAGE FORMING APPARATUS AND PRINT DATA PROCESSING METHOD THEREOF - A print data processing method of an image forming apparatus that has a storage unit includes: setting at least one print speed enhancing mode; performing a pre-processing corresponding to the set print speed enhancing mode; and processing the print data by using a result of the pre-processing. | 05-21-2009 |
20100046028 | HOST APPARATUS, IMAGE FORMING APPARATUS, AND PRINTING DATA PROCESSING METHOD THEREOF - An image forming apparatus for shortening an engine driving start point, includes an interface to receive printing data including a first page of a printable document as rasterized data and page information from a host apparatus; an engine unit to perform printing; and a main controller to print the rasterized data first by driving the engine unit using the page information in response to the printing data received through the interface. Thus, the printing speed is enhanced. | 02-25-2010 |
20130063770 | CRUM CHIP AND IMAGE FORMING DEVICE FOR COMMUNICATING MUTUALLY, AND METHOD THEREOF - An image forming device is provided. The device includes a main body which includes a main controller controlling operations of the image forming device, a consumable unit mounted on the main body to enable communication with the main controller, and a CRUM chip which is provided in the consumable unit and stores usage information of the consumable unit and characteristics information The main controller and the CRUM chip transmit and receive signals which include data and integrity detection data between each other. The integrity detection data is generated by accumulating and reflecting integrity detection data included in a previous signal. | 03-14-2013 |
20130155459 | CRUM CHIP, IMAGE FORMING APPARRATUS, AND COMMUNICATION METHOD OF CRUM CHIP - A CRUM chip mountable on a consumables unit of an image processing unit includes an interface unit configured to receive a first signal including first data and first integrity monitoring data for the first data from a main body of the image forming apparatus, a monitoring unit configured to separate the first integrity monitoring data from the first signal and monitor integrity of the first signal, a data processing unit configured to generate second data to be transmitted to the main body of the image processing unit, a generating unit configured to generate second integrity monitoring data using the second data and the first integrity monitoring data, and a control unit configured to control the interface unit to transmit a second signal including the second data and the second integrity monitoring data to the main body of the image forming apparatus. Therefore, stability of communication is improved. | 06-20-2013 |
20130321853 | CRUM CHIP AND IMAGE FORMING DEVICE FOR AUTHENTICATION AND COMMUNICATION, AND METHODS THEREOF - A Customer Replaceable Unit Monitoring (CRUM) chip, an image forming apparatus, and a method of authenticating are provided. The apparatus includes a main body that includes a main controller controlling operations of the apparatus, a consumable unit mounted on the main body to communicate with the main controller, and a CRUM chip that is provided in the consumable unit and stores information regarding the consumable unit. The main controller and the CRUM chip transmit and receive signals that include data and integrity detection data between each other. The integrity detection data is generated by using previous integrity detection data. | 12-05-2013 |
20150110504 | CRUM CHIP, IMAGE FORMING DEVICE FOR VERIFYING CONSUMABLE UNIT COMPRISING THE CRUM CHIP, AND METHODS THEREOF - Provided herein is an image forming device including a main body; a consumable unit detachable from and attachable to the main body, and including a CRUM chip; a storage which stores a detection list including information on counterfeit CRUM chips and a conversion serial information list including a plurality of conversion serial information each of which is converted from serial information stored in the CRUM chip according to a plurality of different predetermined rules; and a controller to limit use of the consumable unit, when verifying the consumable unit based on at least one of the detection list and the conversion serial information list fails. | 04-23-2015 |
Patent application number | Description | Published |
20130316270 | MASK HAVING ASSIST PATTERN - A mask may include a circuit area and a pixel area. The circuit area includes a circuit pattern. The pixel area includes a pixel pattern which is extended in a length direction and an assist pattern which is at an end portion of the pixel pattern and adjacent to the circuit area. | 11-28-2013 |
20140065523 | PATTERN MASK AND METHOD OF MANUFACTURING THIN FILM PATTERN USING PATTERN MASK - A pattern mask for patterning a thin film includes a transparent or translucent substrate with a plurality of grooves formed thereon having a pitch of about 4.6 μm to about 10.8 μm. | 03-06-2014 |
20140076847 | PHOTORESIST COMPOSITION AND METHOD OF FORMING A METAL PATTERN USING THE SAME - A method of forming a metal pattern is disclosed. In the method, a metal layer is formed on a base substrate. A photoresist composition is coated on the metal layer to form a coating layer. The photoresist composition includes a binder resin, a photo-sensitizer, a mercaptopropionic acid compound and a solvent. The coating layer is exposed to a light. The coating layer is partially removed to form a photoresist pattern. The metal layer is patterned by using the photoresist pattern as a mask. | 03-20-2014 |
20140127612 | PHOTOMASK FOR EXPOSURE AND METHOD OF MANUFACTURING PATTERN USING THE SAME - A photomask for exposure includes: a transparent substrate; a light blocking pattern layer positioned on the transparent substrate; a first dielectric layer positioned on the light blocking pattern layer and including a dielectric material; and a negative refractive index layer positioned on the first dielectric layer and including a metal. A surface plasmon quasi-bound mode of the photomask for exposure overlaps a wavelength range of the light source of the light exposer which irradiates light to the photomask for exposure. | 05-08-2014 |
20140162177 | OPTICAL MASK FOR FORMING PATTERN - An optical mask for forming a pattern is provided. The optical mask includes: a substrate including a light blocking pattern formed on portions of the substrate, wherein the light blocking pattern includes a halftone layer and a light blocking layer formed on the halftone layer, and the halftone layer and the light blocking layer overlap such that at least an edge portion of the halftone layer is exposed. A pitch of the light blocking pattern may about 6 μm, and a transmission ratio of the halftone layer may range from about 10% to about 50%. | 06-12-2014 |
20150198872 | PHASE SHIFT MASK, PATTERNING METHOD USING THE SAME AND METHOD OF MANUFACTURING DISPLAY PANEL USING THE SAME - A phase shift device includes a phase shift mask which includes a transparent substrate, and a phase shift pattern which is provided on the transparent substrate, and includes a first area having a first thickness, a second area having a second thickness which is less than the first thickness, a first opening having a first opening width and defined at the first area, and a second opening having a second opening width and defined at the second area. | 07-16-2015 |
20150228665 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device includes a substrate, a gate line and a data line on the substrate, a thin film transistor on the substrate, being connected to the gate line and the data line, a pixel electrode connected to the thin film transistor, and an insulating layer on the substrate, wherein the insulating layer has a contact hole extending therethrough and the contact hole has a relatively steep sidewall including a sidewall portion with a sidewall taper angle of about 60° to about 90°. | 08-13-2015 |
20150255493 | DISPLAY DEVICE AND METHOD OF MANUFACTURING THE SAME - A display device includes a substrate comprising a display area and a non-display area. A gate line and a data line are disposed on the substrate. A thin film transistor is disposed on the display area and coupled to the gate line and the data line. A pad is disposed in the non-display area. A passivation layer is disposed on the thin film transistor and the pad. A pixel electrode is coupled to the thin film transistor. The passivation layer has a thickness that is smaller in the non-display area than in the display area, and the passivation layer has a thickness of about 0.1 μm to about 1 μm in the non-display area. | 09-10-2015 |
20160085150 | PHOTORESIST COMPOSITION AND METHOD OF MANUFACTURING CIRCUIT PATTERN USING THE SAME - A photoresist composition includes an alkali soluble resin, a photosensitive compound, a first solvent having a boiling point of less than 200° C., and a second solvent having a boiling point of equal to or greater than 200° C. | 03-24-2016 |
Patent application number | Description | Published |
20140348531 | IMAGE FORMING APPARATUS - Disclosed herein is an image forming apparatus that has a developing unit, an intermediate transfer body, and a transfer roller and may prevent contamination of the transfer roller and a printing medium by the toner remaining in a test pattern forming area of the intermediate transfer body. The image forming apparatus includes a developing unit to allow an image to be formed by a developing agent, an intermediate transfer body provided with an image forming area and a test pattern forming area, the image being transferred from the developing unit to the image forming area and the test pattern forming area, and a transfer roller allowing the image to be transferred from the image forming area to a printing medium, wherein a maximum transfer length of the transfer roller is less than a maximum image forming length of the developing unit. | 11-27-2014 |
20150110536 | IMAGE FORMING APPARATUS AND METHOD FOR REDUCING IMAGE BANDING OF THE IMAGE FORMING APPARATUS - An image forming apparatus and a method of reducing image banding of the image forming apparatus is provided. The image forming apparatus includes: a photoconductor unit on which an electrostatic latent image is formed; and a conveying unit configured to convey printing medium at a first conveying velocity toward the photoconductor unit, and configured to convey the printing medium at a second conveying velocity that is lower than the first conveying velocity when the printing medium approaches the photoconductor unit. | 04-23-2015 |
20150125182 | POWER TRANSMITTING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A power transmitting device having a structure to allow a photoconductor to stably form a visible image on a printing medium. The power transmitting device interconnects a rotator and a drive motor, the drive motor generating drive power to drive the rotator. The power transmitting device includes at least one gear to be rotated upon receiving power from the drive motor, a rotating shaft having one end penetrating the gear and a coupler to interconnect the other end of the rotating shaft and the rotator. An outer diameter of the coupler, an outer diameter of the rotator and an outer diameter of the gear satisfy the following relation: 0.7D105-07-2015 | |
20150125188 | IMAGE FORMING APPARATUS AND METHOD OF CONTROLLING THE SAME - An image forming apparatus, a color registration test pattern of the image forming apparatus, and a method of forming the color registration test pattern are provided. A time required for color registration may be reduced by minimizing a region in which a color registration test pattern is formed on an intermediate transfer body. A control method of the image forming apparatus, which includes photosensitive media arranged side by side to correspond to colors in a rotation direction of the intermediate transfer body, includes forming first patterns of the colors arranged in a single row in a sub-scanning direction in a first region of the intermediate transfer body over a single-rotation period of the photosensitive media, and forming second patterns of the colors arranged in a single row in the sub-scanning direction in a second region of the intermediate transfer body over another single-rotation period of the photosensitive media. | 05-07-2015 |
20150362883 | IMAGE FORMING APPARATUS - An image forming apparatus may include first, second, third, and fourth photosensitive media; a first driving source to rotate the first photosensitive medium; a second driving source to rotate the second photosensitive medium; and a planetary gear train to receive rotational forces of the first and second driving sources so as to rotate the third photosensitive medium, wherein the fourth photosensitive medium is rotated by being linked with the third photosensitive medium. | 12-17-2015 |
20160004204 | IMAGE FORMING APPARATUS AND METHOD - Provided herein is an image forming apparatus and method, the apparatus including an engine configured to form a predetermined pattern having a predetermined multiple number length on a circumference length of each photosensitive drum in an image forming medium using the photosensitive drum, a motor configured to drive the photosensitive drum, and a motor controller configured to sense a cyclic velocity of the photosensitive drum using the formed predetermined pattern, and to control a phase and velocity of the motor using the sensed cyclic velocity. | 01-07-2016 |
Patent application number | Description | Published |
20120009473 | NEGATIVE ACTIVE MATERIAL FOR SECONDARY LITHIUM BATTERY AND SECONDARY LITHIUM BATTERY - Disclosed are a negative active material for a secondary lithium battery and a secondary lithium battery including the same. The negative active material for a secondary lithium battery includes an amorphous silicon-based compound represented by the following Chemical Formula 1. | 01-12-2012 |
20120169129 | Energy Storage Device - An energy storage device formed by a combination of aqueous battery unit cells and non-aqueous battery unit cells is provided. The energy storage device comprises a first energy storage module formed by connecting at least one of aqueous battery unit cells in series and a second energy storage module formed by connecting at least one of lithium ion battery unit cells in series, wherein the first energy storage module and the second energy storage module are connected in parallel, the lithium ion battery unit cell is formed of a cathode active material such as LiFePO | 07-05-2012 |
20120286719 | SECONDARY BATTERY - A piezoelectric element layer is further formed as a package material of a secondary battery, so that the secondary battery can be self-charged using a voltage generated in the piezoelectric element layer according to vibration generated in an electronic device and vibration generated by movement of the electronic device itself. The secondary battery includes a battery case that accommodates an electrode assembly, the battery case having an outer coating layer and a piezoelectric element layer formed on an inner surface of the outer coating layer, and a protection circuit module mounted to an outside of the battery case and electrically connected to the electrode assembly. In the secondary battery, a voltage storage is provided to the protection circuit module, and the piezoelectric element layer converts absorbed vibration into voltage and then stores the voltage in the voltage storage so that the secondary battery is self-charged as occasion demands. | 11-15-2012 |
20130236749 | SECONDARY BATTERY - A secondary battery includes an electrode assembly, a gas collecting member and a battery case. The electrode assembly has first and second electrode plates and a separator interposed between the first and second electrode plates. The gas collecting member is provided adjacent to the electrode assembly. The battery case accommodates the electrode assembly and the gas collecting member. In the secondary battery, the gas collecting member has a first collecting member collecting gas generated in the interior of the battery case and a second collecting member provided to surround the first collecting member. | 09-12-2013 |
20130249494 | BATTERY PACK - A battery pack including: a first terminal; a second terminal; a battery module coupled between the first terminal and the second terminal, the battery module having a state of charge; a sensor configured to measure a swelling of the battery module and to generate a swelling data value; and a battery management system configured to control a charging and a discharging of the battery module to reduce a swelling rate of the battery module or to correct the swelling of the battery module according to the swelling data value and the state of charge. | 09-26-2013 |
20130252053 | SECONDARY BATTERY - A secondary battery including: an electrode assembly including a first electrode plate that includes an uncoated portion, a second electrode plate that includes an uncoated portion, and a separator that is interposed therebetween, wherein the first and second electrode plates and the separator are wound so that the uncoated portion of the first electrode plate and the uncoated portion of the second electrode plate are arranged in different directions; a groove formed in at least one of the uncoated portions of the first and second electrode plates; and a current collector including a lead tab that is bent passing the groove in such a way that a portion of the lead tab contacts a side surface of at least one first uncoated portions and another portion of the lead tab contacts another side surface of the at least one uncoated portion. | 09-26-2013 |
20140015495 | BATTERY PACK, METHOD OF CHARGING THE SAME, AND VEHICLE INCLUDING THE SAME - A battery pack, a method of charging the same, and a vehicle including the same. The battery pack includes: a battery cell for storing electric power; and a Battery Management System (BMS) for controlling charging or discharging the battery cell, wherein, in order to charge the battery cell, the BMS increases a charge current in a first period of time, decreases the charge current in a second period of time, and increases the charge current again in a third period of time. | 01-16-2014 |
20140197794 | BATTERY PACK INCLUDING DIFFERENT KINDS OF CELLS AND POWER DEVICE INCLUDING THE SAME - There is provided a battery pack including a mixed cell and a power device including the same. The mixed cell may include a first cell and a second cell having different electrical characteristics. The electrical characteristics may include at least one of an open circuit voltage characteristic corresponding to a state of charge, an internal resistance, an operation voltage, or a capacity. | 07-17-2014 |
20140312687 | MULTIPLE BATTERY PACK AND OPERATING METHOD THEREOF - A lithium battery system includes a first battery pack including a plurality of first battery cells connected in series. The first battery pack is configured to be connected in parallel to an alternator and a second battery pack, and has a lower capacity than the second battery pack. A negative electrode of each of the first battery cells includes a negative electrode active material. The negative electrode active material includes a carbon-based material having an interlayer spacing of a (002) plane of 0.34 nm to 0.50 nm in X-ray diffraction measurement using copper (Cu) Kα lines. | 10-23-2014 |
Patent application number | Description | Published |
20090288623 | Continuously variable valve lift system for engines and controllling method thereof - The present invention relates to a continuously variable valve lift system for engines, which can prevent deterioration of fuel efficiency due to a friction loss by a return spring even in a low lift operation state by making a high lift swing angle be larger than a low lift swing angle, easily implement the CVVL by reducing a lost motion angle to an optimum condition, and securely generate an advancing effect in spite of reduction of the lost motion angle. Further, the continuously variable valve lift system is easy and convenient to adjust a clearance of an oscillating cam link, prevent the clearance of the oscillating cam link from being accumulated, and has a convenience of workability in adjusting the clearance in a narrow engine room. | 11-26-2009 |
20110097197 | NOZZLE ASSEMBLY OF VARIABLE GEOMETRY TURBOCHARGER - According to the present invention, it is possible to achieve improved durability by improving the connection structure of operation links and a control ring to reduce friction and wear between the operation links and the control ring, facilitate manufacturing by simple configuration and structure, and achieve silent and stable operation by making it possible to set the gaps between the parts relatively small. | 04-28-2011 |
20130042837 | VARIABLE COMPRESSION RATIO APPARATUS WITH DUAL ECCENTRIC LINKS - A variable compression ratio (VCR) apparatus with dual eccentric links is mounted on an engine, receives combustion power of a fuel-air mixture from a piston to rotate a crank shaft and changes a compression ratio of the fuel-air mixture. The VCR apparatus may include a connecting rod having a large end portion formed at one end thereof, which is connected to the crank shaft to receive a torque of the engine, and a small end portion formed at the other end thereof, the small end portion having a coupling hole formed therein, a pair of eccentric links having one ends coupled to the coupling hole from both sides facing each other and integrally rotating, and an eccentric rod connected to the other ends of the eccentric links and rotating within a predetermined angle range. The eccentric rod may be a pair of eccentric rods. | 02-21-2013 |
20130118454 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio (VCR) apparatus, may include a piston forming a combustion chamber, a connecting rod having one end rotatably coupled to the piston through a piston pin so as to transmit a motion of the piston to a crank shaft, dual eccentric links having one ends eccentrically connected to the one end of the connecting rod through the piston pin, and dual swing links having one ends pivotally connected to the other ends of the eccentric links, respectively, so as to pivot the eccentric links with respect to the piston pin. | 05-16-2013 |
20130118455 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio (VCR) apparatus, may include a piston, a connecting rod having one end coupled to the piston through a piston pin so as to transmit a motion of the piston to a crank shaft, a pair of first and second eccentric links having one ends eccentrically connected to the one end of the connecting rod through the piston pin, dual swing links having one ends connected to the other ends of the first and second eccentric links, respectively, so as to pivot the eccentric links with respect to the piston pin, and connecting assembly connecting the one ends of the first and second eccentric links each other. | 05-16-2013 |
20130125701 | VARIABLE COMPRESSION RATIO DEVICE - A variable compression ratio (VCR) device, may include a cone rod, an upper end portion thereof being rotatably coupled to a piston pin to be connected to a piston, dual eccentric links eccentrically coupled to the piston pin, wherein each of the dual eccentric links may be placed on lateral sides of the upper end portion in the cone rod having a lower end portion coupled to a crankshaft, and dual swing links, one end of each of the dual swing links being engaged to a control shaft of an actuator and the other end of each of the dual swing links being connected to lower portions of the dual eccentric links. | 05-23-2013 |
20130146027 | COMBUSTION GENERATING DEVICE OF INTERNAL COMBUSTION ENGINE - Provided is a combustion generating device of an internal combustion engine, which is capable of performing very precise flame control through a simple structure which does not need a prechamber and reducing harmful exhaust gas through low-temperature rapid combustion. The combustion generating device includes: an ignition system generating a spark; and an injector generating a mixture by mixing air and fuel and injecting a flame into a combustion chamber, the flame being generated by applying the spark to the mixture. | 06-13-2013 |
20130220269 | PRE-CHAMBER JET IGNITER AND ENGINE INCLUDING COMBUSTION CHAMBER EMPLOYING THE SAME - An engine includes a pre-chamber jet igniter which injects at least one jet combustion flame into the combustion chamber from the outside of the combustion chamber in which the piston reciprocates to generate power so that the injected jet combustion flame is utilized as the source of ignition of the fuel injected into the space in the combustion chamber to drive the explosion stroke such that combustion of the combustion chamber can be maintained reliable by the use of jet combustion flames in the form of large flame kernels, fuel consumption can be remarkably improved and the generation of NOx can be remarkably reduced using rapid cold combustion which is caused by the continuously reliable combustion, and, in particular, it is possible to prevent liquefaction of the air-fuel mixture due to variations in the flow and pressure of the air-fuel mixture flowing in the combustion chamber. | 08-29-2013 |
Patent application number | Description | Published |
20120055440 | HYDRAULIC ORIFICE - A hydraulic orifice which is mounted at a head oil journal formed in a cylinder head and supplies an oil to a supply line after reducing pulsation of the oil supplied to the head oil journal, may include a body pressed on the head oil journal so as to form a chamber with the cylinder head, a joining line formed along a longitudinal axis of the body therein and fluid-communicating with the supply line, and at least two hydraulic lines formed in the body and connecting the chamber with an end of the joining line in the body to supply the oil through the other end thereof to the supply line, wherein the oils passing through the at least two hydraulic lines are joined at the end of the joining line with different phases such that the pulsation of the oil in the joining line is reduced. | 03-08-2012 |
20120097878 | VARIABLE VALVE LIFT APPARATUS - A variable valve lift apparatus includes a high cam and a low cam fixed side by side to a camshaft, an outer body pressed by the rotation of the high cam, and has a crossbar formed at the bottom of the front end, an inner body, of which the front end protrudes further than the outer body, the lower front end is provided with a valve member, the upper rear end is hinged to a lost motion hinge shaft coaxially with the rear end of the outer body, and the lower rear end is pivotally connected to a hinge member, and a latching portion inserted into the inner body and selectively connected to the crossbar of the outer body to move the inner body dependent on movement of the front end of the outer body, wherein the lost motion hinge shaft is disposed in the same direction as a hinge point between the inner body and the hinge member with respect to the camshaft. Dynamic characteristics can be obtained by reducing the moment of inertia of the variable valve lift apparatus, and the dynamic characteristics can be further improved by inserting the latching portion into the inner body so as to be closer to the camshaft. | 04-26-2012 |
20120125297 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio apparatus for an engine receiving combustion force of an air-fuel mixture from a piston and rotating a crankshaft, and for changing compression ratio of the air-fuel mixture. The apparatus may include a connecting rod including one end with a mounting hole and an other end eccentrically and rotatably connected to the crankshaft, an eccentric link including one end connected to an eccentric bearing concentrically and rotatably mounted in the mounting hole, a piston pin eccentrically and rotatably mounted in the eccentric bearing, a variable link including one end rotatably connected to an other end of the eccentric link, a variable gear link pivoting with respect to a fixed shaft and formed of first gear teeth at an exterior circumference, an external circumferential portion rotatably connected to an other end of the variable link, a control shaft including second gear teeth engaged to the first gear teeth and rotating to pivot the variable gear link, and a guide bar, together with the connecting rod, limiting horizontal movement of the eccentric link. | 05-24-2012 |
20130042837 | VARIABLE COMPRESSION RATIO APPARATUS WITH DUAL ECCENTRIC LINKS - A variable compression ratio (VCR) apparatus with dual eccentric links is mounted on an engine, receives combustion power of a fuel-air mixture from a piston to rotate a crank shaft and changes a compression ratio of the fuel-air mixture. The VCR apparatus may include a connecting rod having a large end portion formed at one end thereof, which is connected to the crank shaft to receive a torque of the engine, and a small end portion formed at the other end thereof, the small end portion having a coupling hole formed therein, a pair of eccentric links having one ends coupled to the coupling hole from both sides facing each other and integrally rotating, and an eccentric rod connected to the other ends of the eccentric links and rotating within a predetermined angle range. The eccentric rod may be a pair of eccentric rods. | 02-21-2013 |
20130118454 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio (VCR) apparatus, may include a piston forming a combustion chamber, a connecting rod having one end rotatably coupled to the piston through a piston pin so as to transmit a motion of the piston to a crank shaft, dual eccentric links having one ends eccentrically connected to the one end of the connecting rod through the piston pin, and dual swing links having one ends pivotally connected to the other ends of the eccentric links, respectively, so as to pivot the eccentric links with respect to the piston pin. | 05-16-2013 |
20130118455 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio (VCR) apparatus, may include a piston, a connecting rod having one end coupled to the piston through a piston pin so as to transmit a motion of the piston to a crank shaft, a pair of first and second eccentric links having one ends eccentrically connected to the one end of the connecting rod through the piston pin, dual swing links having one ends connected to the other ends of the first and second eccentric links, respectively, so as to pivot the eccentric links with respect to the piston pin, and connecting assembly connecting the one ends of the first and second eccentric links each other. | 05-16-2013 |
20130125701 | VARIABLE COMPRESSION RATIO DEVICE - A variable compression ratio (VCR) device, may include a cone rod, an upper end portion thereof being rotatably coupled to a piston pin to be connected to a piston, dual eccentric links eccentrically coupled to the piston pin, wherein each of the dual eccentric links may be placed on lateral sides of the upper end portion in the cone rod having a lower end portion coupled to a crankshaft, and dual swing links, one end of each of the dual swing links being engaged to a control shaft of an actuator and the other end of each of the dual swing links being connected to lower portions of the dual eccentric links. | 05-23-2013 |
20140014070 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio apparatus mounted on an engine may include an eccentric bearing assembly engaged with the piston through a piston pin, and including an eccentric ring having an eccentric hole so that the piston pin may be rotatably installed therethrough while being eccentric to the eccentric ring, and an eccentric link connected to the eccentric ring to transfer rotation force to the eccentric ring, a first connecting rod rotatably installed at an one side in an axial direction of the eccentric ring, a second connecting rod rotatably installed at the other side in the axial direction of the eccentric ring, and a control shaft connected to the eccentric link to rotate the eccentric bearing assembly by transferring the rotation force to the eccentric ring. | 01-16-2014 |
20140014071 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio apparatus mounted on an engine configured to receive combustion force of a mixer from a piston to rotate a crankshaft, and configured to change a compression ratio of the mixer may include an eccentric bearing assembly connected with the piston through a piston pin, and including an eccentric ring including an eccentric hole through which the piston pin passes so that the piston pin may be rotatably installed while being eccentric to the eccentric ring, and an eccentric link connected to the eccentric ring to transfer rotation force thereof to the eccentric ring, a connecting rod including one end provided with a mounting hole into which the eccentric ring may be rotatably inserted, a central portion provided with an operation hole, wherein the eccentric link may be movable through the operation hole, and the other end rotatably connected to the crankshaft while being eccentric to the crankshaft, and a control shaft connected to the eccentric link and configured to rotate the eccentric bearing assembly. | 01-16-2014 |
20140020660 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio apparatus may include a connecting rod having a small end portion having an eccentric bearing installation hole, a large end portion rotatably connected to the crank shaft, and a space portion formed in a longitudinal direction of the connecting rod and communicated with the eccentric bearing installation hole, a piston pin fixedly, an eccentric bearing rotatably engaged to the eccentric bearing installation hole and coupled to the piston pin through a pin installation hole of the eccentric bearing, wherein the piston pin may be offset from a center axis of the eccentric bearing, an eccentric link connected to the eccentric bearing, a variable link rotatably connected to the eccentric link, a control link rotatably connected to the variable link, and a control shaft provided in the control link to rotate the control link, wherein the eccentric link may be rotated within the space portion. | 01-23-2014 |
20140096747 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio apparatus includes: a piston defining a combustion chamber, a connecting rod connected to the piston; an eccentric link eccentrically connected to the piston, a swing link connected to the eccentric link so as to rotate the eccentric link, a crankpin to which the connecting rod is connected, and a crank web disposed at both sides of the crankpin and provided with a guide portion for guiding downward motions of the eccentric link and the swing link when the eccentric link and the swing link move downward. Thereby, the downward motions of the eccentric link and the swing link are stabilized. | 04-10-2014 |
20140123957 | VARIABLE COMPRESSION RATIO APPARATUS - A variable compression ratio apparatus may include a crankshaft, a connecting rod, first and second eccentric links mounted at both sides of the connection rod, respectively, and having one ends at which the piston pin may be eccentrically and rotatably installed, a swing link of which one end may be branched into two parts to form first and second branches, the first and second branches being connected to the other ends of the first and second eccentric links, and a control device connected to the other end of the swing link to control the swing link, wherein the crank arm includes guide surfaces formed in a predetermined thickness at an inner circumferential surface of the crank arm so that the first and second branches of the swing link slide to move between the guide surfaces. | 05-08-2014 |
20140238355 | VARIABLE COMPRESSION RATIO DEVICE AND INTERNAL COMBUSTION ENGINE INCLUDING THE SAME - A variable compression ratio device may include a piston assembly having double pistons of which the volume may be varied, a lifter relatively moving one piston of the double pistons with respect to the other piston of the double pistons, a guide unit engaged with the piston assembly and guiding a movement of the one piston with respect to the other piston, and a locking unit selectively coupling the one piston to the other piston. | 08-28-2014 |
20140238356 | VARIABLE COMPRESSION RATIO CONTROL SYSTEM - Disclosed is a variable compression ratio control system configured to change a top dead center of a piston in an engine according to an operation state of the engine. The control system may include a motor provided as a power source, a control shaft coupled to the piston, wherein the control shaft changes the top dead center of the piston by a rotation of the control shaft, a driving shaft connected to the motor and to be rotated by the motor, an operation unit movable in a shaft direction of the driving shaft by a rotation of the driving shaft, and an operation link protruding from one portion of an exterior circumferential surface of the control shaft, wherein the operation unit is connected with the operation link so that the operation link rotates the control shaft while the operation unit moves in the shaft direction of the driving shaft. | 08-28-2014 |
20150101562 | CDA DEVICE - A CDA device includes: an outer body that moves up/down in contact with a cam and has an oil input hole at one side and latching pin chambers; an upper seat disposed inside the outer body; an inner body disposed slidably inside the outer body, has a latching pin hole, and is combined with a valve; a lost motion spring that elastically supports the outer body in a lost motion between the inner body and the outer body; latching pins that are slidably disposed in the latching pin chambers and inserted in the latching pin holes; and latching pin springs that push the latching pins into the latching pin hole, in which hydraulic pressure selectively transmitted from the oil input hole pushes the latching pins and the latching pins are separated from the latching pin holes. | 04-16-2015 |
20150159550 | VARIABLE COMPRESSION RATIO ENGINE THAT VARIES COMPRESSION RATIO - A variable compression ratio engine that changes the compression ratio may include a piston disposed to be reciprocated in a cylinder by combustion, a crankshaft rotatably disposed at a predetermined distance from the piston, a crank arm with one end connected with the piston and the other end connected with the crankshaft, a connecting rod connected with the crank arm through a crankpin and with the piston through a piston pin and having an oil chamber, an eccentric cam disposed between the crankpin and the connecting rod and being off-center from the crankpin, a variable piston disposed in the oil chamber to be moved by supplied oil, and a link connecting the variable piston with the eccentric cam to rotate the eccentric cam with movement of the variable piston. | 06-11-2015 |