| WOONGJIN COWAY CO., LTD. Patent applications |
| Patent application number | Title | Published |
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| 20120073037 | TEMPERATURE-CONTROLLABLE HEATED SEAT AND HEATED BIDET - A temperature-controllable heated seat includes: a housing providing a certain amount of internal space; heating wires disposed within the housing, having bent portions repeated from one end portion to the other end portion of the housing, and heating the housing upon receiving power; and a thermostat unit disposed at a periphery of the heating wires and controlling power supply to the heating wires such that the temperature of the housing does not exceed a pre-set temperature value. | 03-29-2012 |
| 20120039757 | FILTERING DEVICE FOR FOOD WASTE TREATMENT APPARATUS - The present invention provides a filtering device for a food waste treatment apparatus. The filtering device includes a hygroscopic filter unit (240) which is connected to a drying furnace (202) of the food waste treatment apparatus and removes water from gas generated by the treatment of food waste, and a deodorization filter unit (230) which is connected to the hygroscopic filter unit to filter the gas supplied from the hygroscopic filter unit. The hygroscopic filter unit may be integrated with the deodorization filter unit. The present invention can remove water from gas generated from the food waste treatment apparatus and thus prevent pollution of the surroundings of the apparatus and corrosion of the apparatus. Furthermore, by the virtue of the dehumidifying function, the present invention can enhance the efficiency of a deodorization filter and reduce the frequency of replacement of the deodorization filter, thus reducing the maintenance cost. | 02-16-2012 |
| 20120015011 | COSMETIC COMPOSITION COMPRISING DOUBLE-SHELL NANO-STRUCTURE - Disclosed is a cosmetic composition having a double-shell type nano-structure. More particularly, the nano-structure of the cosmetic composition includes: a water-soluble bioactive ingredient core; a core shell containing poly(ethyleneglycol)-poly(caprolactone)-poly(ethyleneglycol) (PE-PCL-PEG) triblock copolymer in order to include the bioactive ingredient core therein; and an outer shell containing phospholipids or derivatives thereof in order to enclose the core shell therein. Such a cosmetic composition improves stability of active components which are prone to oxidation, light degradation, heat degradation, etc., is formed in a nanoparticle size which in turn shows high transdermal absorption and is very useful to prepare a cosmetic composition stably encapsulating various bioactive ingredients with anti-wrinkle effects, whitening effects, and so forth. | 01-19-2012 |
| 20120005817 | FLOW PATH CONTROL DEVICE OF TOILET BIDET AND TOILET BIDET HAVING THE SAME - There are provided a flow path control device of a toilet bidet having a simpler connection structure of tubes and smaller number of connection parts of the tubes, and a toilet bidet including the flow path control device. The flow path control device of a toilet bidet, includes: a first housing including two or more demarcated chambers; a first flow path control unit disposed at the interior of the first housing and opening one of the two or more chambers to allow water to be introduced into the chamber; an air mixing unit connected with one of the chambers of the first housing and mixing air with water introduced into the chamber as the chamber is opened by an air pressure; a second housing including three or more compartments connected with the chamber to which the air mixing unit is connected, receiving water containing air, and connected with a bidet nozzle and a cleansing nozzle; and a second flow path control unit disposed within the interior of the second housing and opening some of the three or more compartments to allow water to flow thereinto. | 01-12-2012 |
| 20110277856 | VALVE FOR REGULATING WATER QUANTITY - There is provided a valve for regulating water quantity capable of regulating a flow rate so as to maintain a constant recovery ratio even if raw water is supplied with a variety of pressure levels within a wide pressure range, and of preventing the blockage of a flow passage caused by foreign substances. The valve for regulating water quantity includes a body including therein a flow channel allowing a fluid to flow, a guide member installed in the body and guiding an introduced fluid, the guide member including a tapered cavity such that a flow rate of a fluid passing therein is regulated, and a flow-rate regulation unit installed in the body and slid according to pressure of a fluid, introduced to the body, so as to be moved into or out of the tapered cavity, the flow-rate regulation unit regulating a discharge flow rate. Accordingly, the flow rate can be regulated by varying the cross-section of a fluid flow passage using a flow-rate regulation member, so that a constant discharge flow rate can be maintained even if the pressure of a fluid, introduced to the body, is varied. Furthermore, foreign substances, when caught in the fluid flow passage, can be easily removed from the fluid flow passage by using the flow-rate regulation member which is slidable, and this can prevent the backflow of the fluid. | 11-17-2011 |
| 20110257807 | APPARATUS AND SYSTEM FOR CONTROLLING POWER SAVING IN BIDET - Disclosed is an apparatus and system for controlling power saving. The system for controlling power saving includes: a battery supplying power; a power saving controlling apparatus including a sensing unit detecting a user's contact and generating an activation signal when a user's contact is acknowledged, a latch unit maintaining the activation signal which has been received from the sensing unit, and a switch unit disposed on a current path that delivers power, and connecting the current path according to the activation signal from the latch unit; and a microcomputer controlling an operation of the system connected upon receiving power from the power saving controlling apparatus. | 10-20-2011 |
| 20110252556 | Self-Generating Bidet - There is provided a self-generating bidet that can perform power-generation using water supplied to the bidet or a water tank. The self-generating bidet, injecting water through a nozzle part, includes a water inlet into which water is introduced; a generator generating power through the water introduced by the water inlet; a charging unit storing electricity generated from the generator; and a nozzle passage part provided between the generator and the nozzle part to supply the water passing through the generator to the nozzle part. The self-generating bidet further includes a controller controlling the generator to be driven by opening a passage of the nozzle passage part in order to allow the water to be discharged through the nozzle part when a voltage of the charging unit is lower than a predetermined reference voltage. | 10-20-2011 |
| 20110252555 | METHOD FOR CONTROLLING SELF-GENERATING BIDET - There is provided a method for controlling a self-generating bidet that can perform power-generation and charging by introduced water and can be stably used. | 10-20-2011 |
| 20110220559 | WATER PURIFYING FILTER ASSEMBLY MODULE - There is provided a water purifying filter assembly module that a water purifying filter can be easily released from or assembled with. | 09-15-2011 |
| 20110203366 | WATER LEVEL SENSING APPARATUS - There is provided a water level sensing apparatus including: a body disposed to be exposed within a liquid tank and having an accommodating space therein; and a capacitance detecting unit accommodated in the accommodating space of the body, wherein the capacitance detecting unit compares an upper side capacitance value and a lower side capacitance value and turns on or off an output signal. Because a changeable reference that the capacitance values of a reference surface and a detected surface of the body are simultaneously changed is used, even if the body comes in contact with moisture or debris, the reference surface and the detected surface are equally affected by the moisture or debris, thus reducing the occurrence of malfunction. | 08-25-2011 |
| 20110203043 | Nozzle Assembly of Toilet Bidet and Control Method Thereof - A nozzle assembly of a toilet bidet and its control method are disclosed. The nozzle assembly includes: a cleansing nozzle with a cleansing water flow path; a dispensing tube connected with the cleansing water flow path to dispense cleansing water; an actuator including a connector coupled to the dispensing tube and a plurality of polymer driving bodies coupled to the connector, wherein an electroactive polymer is housed within the polymer driving bodies, a pair of electrodes are formed on an outer surface of the polymer driving bodies, and when voltage is selectively applied to the electrodes of each polymer driving body, the electroactive polymer moves toward one electrode to force a corresponding polymer driving body to be bent to thereby adjust a dispensing angle of the dispensing tube; and a voltage supply unit that applies voltage to the electrode of the polymer driving body. | 08-25-2011 |
| 20110200521 | HYDROGEN ENERGY PRODUCTION SYSTEM UTILIZING SILICON WASTEWATER AND METHOD FOR PRODUCTION OF HYDROGEN ENERGY USING THE SAME - Disclosed are a hydrogen energy production system utilizing silicon wastewater and a method for production of hydrogen energy using the same. More particularly, the disclosed system includes: a UF treatment bath wherein the silicon wastewater is treated through UF film filtration to separate UF treated water and a concentrated silicon waste solution therefrom; a line mixer connected to the UF treatment bath in order to admix the separated silicon waste solution with an alkaline material fed from the outside; and a hydrogen production bath connected to the line mixer, wherein the concentrated silicon waste solution in the mixture reacts with the alkaline material, in order to produce hydrogen gas. Additionally, a hydrogen energy production method using the foregoing system is also disclosed. | 08-18-2011 |
| 20110197770 | AIR PURIFIER HAVING DEHUMIDIFICATION FUNCTION - There is provided an air purifier having a dehumidification function, including: a body case having an inner space; a blower part installed in the inner space of the body case and drawing outside air from both sides of the body case through a single blower fan; an air purifying part purifying air drawn from one side of the body case; and a dehumidifying part removing moisture from air drawn from the other side of the body case by a dehumidifying rotor. Through the blower part drawing the air from both sides of the body case, the air purifier purifies the air drawn from one side of the body case and dehumidifies the air drawn from the other side of the body case. Accordingly, a drop in an airflow amount caused by concurrently performing the dehumidification and the purification may be alleviated, so improved dehumidification and purification effects are achieved. | 08-18-2011 |
| 20110155567 | DEODORIZATION MODULE AND FOOD WASTE TREATMENT APPARATUS HAVING THE SAME - The present invention provides a deodorization module and a food waste treatment apparatus having the same. The deodorization module includes a heat exchanger and an electrolytic cell. The heat exchanger conducts heat exchange between exhaust gas discharged from a drying furnace and cooling air drawn into the heat exchanger from the outside of the drying furnace. The electrolytic cell electrolyzes condensate water, formed by the heat exchange process of the heat exchanger, using bipolar packed bed electrolysis to remove offensive odors from the condensate water. The heat exchanger has flow channels therein so that the exhaust gas discharged from the drying furnace and the cooling air drawn from the outside flows along the flow channels in directions that cross each other. The food waste treatment apparatus includes the deodorization module, an intake and exhaust module and a heat exchanger having a stacked structure. | 06-30-2011 |
| 20110126501 | COMPOSITION FOR PREVENTION OF INFLUENZA VIRAL INFECTION COMPRISING TANNIC ACID, AIR FILTER COMPRISING THE SAME AND AIR CLEANING DEVICE COMPRISING THE FILTER - Disclosed are a composition for the prophylaxis of influenza viral infection comprising tannic acid, an air filter coated with the same, and an air cleaner comprising the air filter. Having high inhibitory activity against influenza virus, the composition comprising tannic acid can be applied to the prevention of influenza viral infection. Also, the filter coated with the composition can remove influenza virus from the air so that it can be employed in an air cleaner for the prophylaxis of influenza viral infection. | 06-02-2011 |
| 20110120211 | ROTARY PARTICLE SENSOR ASSEMBLY AND AN AIR CLEANER HAVING IT - A rotary particle sensor assembly and an air cleaner having the rotary particle sensor assembly are disclosed. Particularly, in the present invention, regardless of the orientation of the air cleaner, the rotary particle sensor assembly can always be oriented in the direction of gravity. The rotary particle sensor assembly includes a particle sensor, which measures the pollution level of air drawn into the air cleaner. The particle sensor is supported in the air cleaner so as to be rotatable using a rotating shaft and has a weight at a predetermined position. Thus, the particle sensor can always be oriented in the direction of gravity by the weight regardless of the orientation of the air cleaner. Therefore, the present invention ensures the accuracy of measurement of the pollution level of air. | 05-26-2011 |
| 20110089275 | DRIER FOR FOOD WASTE DISPOSAL SYSTEM - A drier for a food waste disposal system. A hollow drum has a charge port and a discharge port for food waste. An agitating screw has a rotating thread which is rotatably disposed in an inner space of the drum and agitates and crushes the food waste, and a rotating shaft around which the rotating thread is disposed. A motor is installed on a first end of the drum, and provides a rotating force to the agitating screw. A crusher has a crush plate installed on a second end of the drum and a plurality of inclined crushing blades arranged radially, and a crush plate support installed around an upper portion of the crush plate. A heater is installed on an outer surface of the drum, and when powered provides high-temperature heat for the inner space of the drum, drying the food waste. | 04-21-2011 |
| 20110086118 | COMPOSITION FOR PREVENTION OF INFLUENZA VIRAL INFECTION COMPRISING SUMAC EXTRACT, AIR FILTER COMPRISING THE SAME AND AIR CLEANING DEVICE COMPRISING THE FILTER - Disclosed are a composition for the prophylaxis of influenza viral infection comprising a sumac extract, an air filter coated with the same, and an air cleaner comprising the air filter. Having high inhibitory activity against influenza virus, the composition comprising a sumac extract can be applied to the prevention of influenza viral infection. Also, the filter coated with the composition can remove influenza viruses from the air so that it can be employed in an air cleaner for the prophylaxis of influenza viral infection. | 04-14-2011 |
| 20110085992 | COMPOSITION FOR PREVENTING INFECTION OF NEW INFLUENZA A (H1N1) VIRUS COMPRISING GINKGO EXTRACT, AIR FILTER COMPRISING THE SAME, AND AIR CLEANING DEVICE COMPRISING THE FILTER - Disclosed are a composition for the prophylaxis of new influenza A (H1N1) virus infection comprising a | 04-14-2011 |
| 20110077774 | ROBOT CLEANER SYSTEM AND METHOD FOR CONTROLLING A ROBOT CLEANER - The present invention relates to a robot cleaner system and a method of controlling a robot cleaner. When cleaning start information is received, a control unit ( | 03-31-2011 |
| 20110061608 | DEVICE FOR SUPPLYING WARM WATER AND METHOD THEREOF - Provided is a device for supplying warm water and a method thereof. The device for supplying warm water includes a first heater configured to have a first set capacity and heating received water, a second heater configured to have a second set capacity greater than the first set capacity and heating received water, and a control part calculating heater driving cycles of the first heater and the second heater according to a set water temperature, and driving the first heater and the second heater according to the heater driving cycles. The control part calculates the heater driving cycle of the first heater by using a phase control method, and calculates the heater driving cycle of the second heater by using a zero-crossing control method. | 03-17-2011 |
| 20110061258 | VALVE EXHAUSTING APPARATUS AND A DRIER OF FOOD TREATMENT SYSTEM HAVING IT - An exhaust valve apparatus and a drier of a food treatment system having the exhaust valve apparatus are disclosed. The drier includes a drum having an input port and a discharge port. A stirring screw is rotatably disposed in inner space of the drum, and includes rotary blades for stirring and crushing food waste put into the drum and a rotating shaft for supporting the rotary blades. A power supply unit is provided on a surface of the drum and provides power to the stirring screw to rotate the stirring screw. A heater is provided on the outer surface of a drum body and provides high temperature heat to the inner space of the drum when electric power is applied to the heater, thus drying the food waste. An exhaust apparatus is mounted to the lower surface of the discharge port and controls the discharge port. | 03-17-2011 |
| 20110056380 | AIR CLEANER - An air cleaner having a manipulator is disclosed. The manipulator ( | 03-10-2011 |
| 20110041243 | FLOW SYSTEM FOR BIDETS - There is provided a flow system for bidets capable of feeding room-temperature raw water to a sterilizer. The flow system for bidets comprises a flow path change valve changing flow paths so that raw water flowing from a raw water supply unit flows through at least one out of a plurality of flow paths; a sterilizer coupled to an outlet side of the flow path change valve to generate nozzle-cleaning water containing an antibacterial and/or disinfectant substance from the fed raw water; a heating member coupled to the outlet side of the flow path change valve to heat the fed raw water; and a nozzle unit coupled to the sterilizer and the heating member, the nozzle unit having at least one nozzle installed therein for feeding nozzle-cleaning water or hot water. The flow system for bidets may be useful to improve the use efficiency of hot water and cold water since the raw water of adequate temperature may be feed to components of a bidet by disposing a flow path change valve in the front end of a heating member. | 02-24-2011 |
| 20100313343 | APPARATUS AND METHOD FOR CONTROLLING OPENING AND CLOSING UNIT BY USING COUNTER ELECTROMOTIVE FORCE OF MOTOR - An apparatus for controlling a rotational movement of an opening and closing unit by using a counter electromotive force of a motor includes: a motor driving unit that drives an electric damper by driving a motor to operate the opening and closing unit; a position detecting unit that detects the position of the opening and closing unit operated by the motor driving unit; a power intercepting unit that receives a signal of detecting the position of the opening and closing unit from the position detecting unit, and cuts off power if it determines that the opening and closing unit is at a pre-set position based on the received position detect signal; and a counter electromotive force generating unit that generates a counter electromotive force of the motor when the power intercepting unit cuts off power. | 12-16-2010 |
| 20100300976 | APPARATUS FOR PRODUCING REGENERATIVE WATER AND METHOD OF PRODUCING REGENERATIVE WATER USING THE SAME - Disclosed herein is an apparatus and method of producing regenerative water. The apparatus includes a main body, a basket, a regenerative substance block and an on/off valve. The main body has a water inlet port through which raw water is supplied into the main body, a water outlet port through which regenerative water is discharged out of the main body, and a drain port which drains an excess of raw water or regenerative water. The basket is provided in the main body. The regenerative substance block is contained in the basket and dissolved by the raw water. The on/off valve is provided on the water outlet port. The raw water dissolves the regenerative substance block for a predetermined duration. When the on/off valve is opened, the produced regenerative water is supplied through the water outlet port into a soft water tank. | 12-02-2010 |
| 20100242164 | STERILIZING WATER DISPENSING APPARATUS, AND BIDET AND TOILET SEAT HAVING THE SAME - A sterilizing water dispensing apparatus, and a bidet and toilet seat having the same are disclosed. The sterilizing water dispensing apparatus includes: an inlet to which sterilizing water is introduced; a cylindrical vortex production chamber that generates a vortex in the sterilizing water introduced through the inlet; and a dispensing hole disposed at the center of the bottom of the vortex production chamber and dispensing the vortex-produced sterilizing water in the vortex production chamber to an inner wall of the toilet. Because sterilizing water is dispensed in the form of fine particles with a relatively large surface area, the sterilizing water is brought into contact with a larger area of an inner wall of a toilet, so a sterilizing effect can be enhanced with a small quantity of sterilizing water. In addition, because sterilizing water can be dispensed to the entire surface of the inner wall of the toilet with a single sterilizing water dispensing apparatus by increasing a dispensing angle and dispensing speed of sterilizing water, the configuration can be simple and the cost can be reduced. | 09-30-2010 |
| 20100213298 | TRANSFER UNIT HAVING TRANSFER ROTOR AND FOOD WASTE TREATMENT APPARATUS USING THE SAME - The present invention provides a transfer unit having a transfer rotor and a food waste treatment apparatus using the transfer unit. The transfer unit includes the transfer rotor, a housing and a sieve. The transfer rotor includes a rotor body, and at least one blade provided on the circumferential outer surface of the rotor body. The housing has a hollow container shape and contains the transfer rotor therein such that the transfer rotor is rotatable without interference from the housing. The housing is inclined at a predetermined angle with respect to the horizontal plane. The sieve is provided in the housing to guide discharge of sewage from food waste. The sieve is disposed in the lower portion of the housing to drain the sewage generated from the food waste to the outside of the housing. | 08-26-2010 |
| 20100163479 | COLD WATER TANK AND WATER TREATMENT APPARATUS HAVING THE SAME - Disclosed are a cold water tank and a water treatment apparatus. The cold water tank includes a tank body, a water inlet pipe provided at the tank body to convey water into the tank body, a water outlet pipe provided at the tank body to convey the water out of the tank body, and including an air vent hole, and a floating member movably provided at the water outlet pipe to block the air vent hole when the water filling the tank body reaches a height of the air vent hole. The water in the upper portion of the tank body is prevented from passing through the air vent hole and draining through the water outlet pipe, thereby preventing the cooler water in the lower portion from mixing with the hotter water in the upper portion. Only the cooler water in the lower portion can be supplied to a user. | 07-01-2010 |
| 20100090046 | Pulverizing screw, pulverizing casing and pulverizer for food waste treatment apparatus having the same - The present invention provides a pulverizing screw, a pulverizing casing and a pulverizer having the same. The pulverizing screw includes a rotating shaft and a drive blade which extends from the rotating shaft in a spiral shape. The drive blade rotates in the pulverizing casing in such a manner as to maintain a predetermined distance between the drive blade and the inner surface of the pulverizing casing to prevent the drive blade from being impeded by the inner surface of the pulverizing casing. The drive blade extends from a first end of the rotating shaft in a spiral shape surrounding the rotating shaft in a clockwise or counterclockwise direction and is connected to a second end of the rotating shaft. The pulverizing casing comprises a spherical body having a space therein. The pulverizing screw is installed in the spherical body so as to be rotatable. | 04-15-2010 |
| 20100090040 | Pulverizer for food waste treatment apparatus - The present invention provides a pulverizer of a food waste treatment apparatus. The pulverizer of the present invention includes a main body, a pulverizing screw and an exhaust channel unit. The main body has a hollow space therein. The pulverizing screw includes a rotating shaft which is installed in the main body so as to be rotatable, and at least one drive blade which extends from the rotating shaft. The exhaust channel unit has an annular shape and is coupled to the upper end of the main body. An intake hole and an exhaust hole are formed through the outer surface of the exhaust channel unit. Furthermore, a cover may be removably coupled to the upper end of the exhaust channel unit. | 04-15-2010 |
| 20100001677 | SYSTEM AND METHOD FOR DETERMINING AIR PURIFIER FILTER CHANGE TIME USING MEASUREMENT OF MOTOR SPEED - A system and method for changing a filter provided in an air purifier at an optimum time by measuring the rotational speed of a motor that operates the filter. The system for determining an air purifier filter change time includes: a motor speed measurement unit configured to measure the rotational speed of a motor that operates a filter provided in the air purifier; a time counting unit configured to count time starting from a point when the motor starts rotating upon receiving power supplied thereto or from a point when the power supplied to the motor is cut off; a speed determination unit configured to check whether or not the rotational speed of the motor has reached a pre-set speed; a time comparison unit configured to receive information about recorded motor running time from the time counting unit and comparing the counted time to a pre-set time duration, if the speed determination unit determines that the rotational speed of the motor has reached the pre-set speed; and a filter change time determination unit configured to check whether or not a filter change is required according to results obtained by comparing the time duration during which the rotational speed of the motor reached the pre-set speed with the pre-set time duration. | 01-07-2010 |
| 20090267575 | DEVICE AND METHOD FOR DETECTING ZERO CROSSING AND VOLTAGE AMPLITUDE FROM SINGLE PULSE SIGNAL - A device and method for detecting a zero crossing and voltage amplitude of a commercial power source voltage inputted to an electronic device, from a single pulse signal are disclosed. The apparatus for detecting a zero crossing and a voltage amplitude from a single pulse signal includes: a first calculation unit that compares the commercial power source voltage to a first reference voltage to determine whether or not the commercial power source voltage is smaller than the first reference voltage; a second calculation unit that compares the commercial power source voltage to a second reference voltage smaller than the first reference voltage to determine whether or not the commercial power source voltage is larger than the second reference voltage; a pulse output unit that outputs a pulse if the commercial power source voltage is smaller than the first reference voltage but larger than the second reference voltage; and a detecting unit that detects a zero crossing and a voltage amplitude by analyzing the pulse which has been outputted from the pulse output unit. | 10-29-2009 |
| 20090165322 | Drier for food waste disposal system - A drier for a food waste disposal system. A hollow drum has a charge port and a discharge port for food waste. An agitating screw has a rotating thread which is rotatably disposed in an inner space of the drum and agitates and crushes the food waste, and a rotating shaft around which the rotating thread is disposed. A motor is installed on a first end of the drum, and provides a rotating force to the agitating screw. A crusher has a crush plate installed on a second end of the drum and a plurality of inclined crushing blades arranged radially, and a crush plate support installed around an upper portion of the crush plate. A heater is installed on an outer surface of the drum, and when powered provides high-temperature heat for the inner space of the drum, drying the food waste. | 07-02-2009 |
| 20090107897 | AUTOMATIC FLUSHING APPARATUS OF MEMBRANE FILTER IN WATER PURIFIER - A water purifier including a sediment filter ( | 04-30-2009 |
| 20080264846 | WATER PURIFYING APPARATUS - Provided is a water purifying apparatus. The water purifying apparatus includes a filter unit for filtering water to obtain purified water; a purified water pipe through which the purified water discharged from the filter unit flows; and a cooling unit having the purified water pipe passed therethrough and cooling the purified water pipe to generate cold water. Therefore, the water purifying apparatus may be useful to prevent cold water from being contaminated and re-contaminated, suppress scales from being accumulated therein and obtain water with desired pH density. | 10-30-2008 |
