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| Number | Title | Issue Date |
| 8180245 | Xerographic machine toner contamination control system This is a toner control system for use in a cleaning station of a xerographic marking apparatus. A sensor is located in the air conduits of the system to measure airflow throughout the system. The sensor is in contact with a controller that is configured to adjust t... | 05/15/2012 |
| 7826763 | Ozone removal device, image forming apparatus having the same, and method for removing ozone A color laser printer is provided with a first exhaust duct for exhausting ozone generated by a charging unit etc. inside a housing to the outside of the housing. The first exhaust duct is therein provided with a catalytic honeycomb filter for ozone gas treatment an... | 11/02/2010 |
| 7725049 | Image forming apparatus having duct and exhaust outlet An image forming apparatus which forms an image on a recording sheet includes a housing having an exhaust outlet and an image forming unit disposed in the housing and configured to form an image on a recording sheet. A duct in the housing may have an inlet at a firs... | 05/25/2010 |
| 7668476 | Image forming apparatus capable of reducing disagreeable odor and volatile organic compounds An image forming apparatus includes a main body, a post-processing unit, a transport unit, a filter and a suctioning/exhausting unit. The post-processing unit is disposed adjacent to the main body. The post-processing unit performs predetermined post-processing on a... | 02/23/2010 |
| 7603051 | Image forming apparatus including a suction/exhaust unit An image forming apparatus includes a recoding-medium stacking portion, a recording-medium ejecting portion and a auctioning/exhausting unit. The recording-medium ejecting portion ejects a recording medium on which an image is formed, to the recording-medium stackin... | 10/13/2009 |
| 7546060 | Image forming apparatus and attaching method of charger unit in image forming apparatus In this invention, the charging units are in the separate construction for the main chargers and for the ozone ducts. When installing the process units, the ozone ducts are placed on the elastic sheets of the duct cases that are fixed to the main frame. The process ... | 06/09/2009 |
| 7512357 | Image forming device arranged with plural particle removal devices An image forming device includes marking material dispensers for disposing an image on an imaging drum surface. The image forming device further includes plural particle removal devices comprising first and second particle removal devices coupled to a vacuum source.... | 03/31/2009 |
| 7424241 | Image forming apparatus with filtering function An image forming apparatus includes a first air flow channel that has an air inlet, an exhaust outlet and filters. As air in the image forming apparatus is externally discharged along the first air flow channel, byproducts generated in the image forming apparatus ar... | 09/09/2008 |
| 7415218 | Image forming apparatus having charging unit with separate intake and exhaust ducts In an image forming apparatus that uses a charging unit to charge a photosensitive drum, forms an electrostatic latent image by carrying out image exposure according to image information, and transfers to a paper the electrostatic latent image by developing the elec... | 08/19/2008 |
| 7403741 | Exhaust system of image forming device A low-voltage power source circuit board is provided downstream in relation to the flow of air introduced through an intake hole and exhausted by a power source fan. Heat sinks are provided on the low-voltage power source circuit board on electronic parts that gener... | 07/22/2008 |
| 7386247 | Image forming apparatus An image forming apparatus includes an image forming unit, an image heating unit, an air circulating unit, and a filter. The air circulating unit circulates air around the image heating unit. The filter absorbs a volatile organic substance in an air circulation path... | 06/10/2008 |
| 7370957 | Ink jet recording apparatus An ink jet recording apparatus which includes a recording head, and forms an image by ejecting printing liquid including a volatile organic compound (VOC) from the recording head onto a recording medium, wherein the ink jet recording apparatus includes a volatile or... | 05/13/2008 |
| 7343116 | Gas purifying apparatus, image forming apparatus having the same, and method of purifying gas of the image forming apparatus A gas purifying apparatus oxidatively decomposes and discharges impurities such as flammable hydrocarbons (CmH2n) contained in gas generated from a toner by fixing an image. An image forming apparatus having a gas purifying apparatus, and a met... | 03/11/2008 |
| 7338208 | Methods and apparatus for CT system thermal control architecture A method of cooling a medical imaging system that includes a gantry is provided. The method includes supplying air to the gantry. The supplied air is conditioned to reduce variation of the temperature within the gantry. After the air is conditioned it is channeled t... | 03/04/2008 |
| 7319474 | Electronics apparatus and image forming apparatus In an image forming apparatus including a thermal head attached to a supporting body having a heat release function, a power supply circuit board that is disposed inside a casing and supplies electrical power to the thermal head, and a cooling fan that takes in the ... | 01/15/2008 |
| 7311044 | Imaging device cooling system One embodiment of the present invention provides a cooling system in an imaging device having an element that generates heat. The cooling system comprises a thermoelectric generator and a cooling device. The thermoelectric generator is thermally coupled to the eleme... | 12/25/2007 |
| 7313342 | Image forming apparatus including catalyst and active carbon filters An image forming apparatus for forming an image on a recording material includes an image bearing member; a charging device for charging the image bearing member; an air path portion for guiding both ozone produced by charging the image bearing member and volatile o... | 12/25/2007 |
| 7305201 | Image forming apparatus having a cooling structure An image forming apparatus includes a branch section that branches a cooling wind from a cooling fan into branched cooling winds and a wind guide path that guides the branched cooling winds branched by the branch section to cooling targets to be cooled, respectively... | 12/04/2007 |
| 7289747 | Image forming apparatus An electrostatic latent image is formed on an image carrier. A plurality of development cartridges include toner and are adapted to face the image carrier at a development position, respectively. The development cartridges cause the toner to adhere onto the image ca... | 10/30/2007 |
| 7289746 | Charging device, process cartridge, and image forming apparatus A charging device includes a case that surrounds a charging unit and has plural ventilating sections, a gas separating unit that varies a component ratio of the air near an opposed portion of a photosensitive member and the charging unit, and a gas electrolyzing uni... | 10/30/2007 |
| 7269373 | Liquid-type image forming apparatus and a method for controlling the same A liquid-type image forming apparatus has a printing engine including a developing unit and a transferring unit and a fixing member. The apparatus includes a carrier vapor-processing device having an oxidation catalyst carrier that accelerates oxidation of carrier v... | 09/11/2007 |
| 7269372 | Oxidation catalyst unit, wet-type electrophotographic image forming apparatus having the same and method for judging catalyst life span An oxidation catalyst unit for judging a life span of an oxidation catalyst and a wet-type electrophotographic image forming apparatus having the oxidation catalyst unit, and a method of judging the life span of the oxidation catalyst. The oxidation catalyst unit in... | 09/11/2007 |
| 7257344 | Carrier vapor cleaner, a wet type electrophotographic image forming apparatus having the same, and a carrier vapor cleaning method A cleaning apparatus for use in a wet type electrophotographic image forming apparatus has a duct which guides a fluid to the outside, the fluid containing an ozone and a carrier vapor which are respectively generated from a fusing part and a printing engine having ... | 08/14/2007 |
| 7248811 | Oxidation catalyst unit, a controlling method thereof, and a wet-type electrophotographic image forming apparatus comprising the oxidation catalyst unit An oxidation catalyst unit for a wet-type electrophotographic image forming apparatus which oxidizes a carrier vapor generated in a fusing unit and method for controlling the same are provided. The wet-type electrophotographic image forming apparatus includes a phot... | 07/24/2007 |
| 7245846 | Oxidation catalyst unit and a wet-type electrophotographic image forming apparatus comprising the same and a method thereof An oxidation catalyst unit for a wet-type electrophotographic image forming apparatus which filters a vapor produced at a fusing unit and a method thereof are provided. The oxidation catalyst unit and method includes a duct for guiding the carrier vapor produced at ... | 07/17/2007 |
| 7236715 | Image forming apparatus An image forming apparatus, comprises an image carrier for carrying a toner image, a charging device for charging the carrier, wherein the charging device includes a discharge member and a grid which is arranged between this discharge member and the image carrier an... | 06/26/2007 |
| 7231155 | Image forming apparatus with a power controlled flux generator as a function of a detected temperature of an image bearing surface An image forming apparatus includes an image bearing member; an image forming device for forming an image on the image bearing member through steps including a step of electrically charging the image bearing member to a substantially uniform potential, wherein the i... | 06/12/2007 |
| 7231162 | Oxygen generators in ink cartridge environment A system is provided within an electrophotographic imaging environment that removes or decomposes airborne hydrocarbons (as vapor and/or droplets), at least some of which are provided from evaporation or airborne dispersal of hydrocarbon carrier from electrophotogra... | 06/12/2007 |
| 7221898 | Charged particles cleaning apparatus having a biased manifold A charged particles cleaning apparatus for cleaning and removing charged particles from a surface includes (a) a housing; (b) a surface scrubbing member mounted within the housing for contacting the surface and frictionally removing charged particles therefrom; (c) ... | 05/22/2007 |
| 7209679 | Method for controlling oxidation catalyst device of wet-type electrophotographic image forming apparatus An oxidation catalyst device for a wet-type electrophotographic image forming apparatus and method of controlling the same are provided. The oxidation catalyst device includes a duct for guiding air inside a fixation device to the outside of the fixation device. The... | 04/24/2007 |
| 7200348 | Volatile organic compound detector A printer system using inks, toners or developers with solvents therein is provided with a detector for volatile organic compounds assists in reducing potential accidents in the printer. The detector may be able to identify at least a threshold level of volatile org... | 04/03/2007 |
| 7194223 | Tandem type image forming apparatus In a tandem type image forming apparatus of this invention provided with image forming units arranged under an intermediate transfer medium and further, an exposure device arranged under the image forming units, developing devices are arranged so that exposure posit... | 03/20/2007 |
| 7187885 | Oxidation of volatile organic compounds in electrographic printing An apparatus for oxidizing volatile organic compounds from an electrographic printer may comprising a) a printer system that vents a gas stream containing volatile organic compounds to a first inlet; b) a first mast transfer element transmitting the gas stream to a ... | 03/06/2007 |
| 7174114 | Apparatus and method for reducing contamination of an image transfer device An apparatus and method for reducing contamination of an image transfer surface in an image transfer device includes a charging device for charging the image transfer surface. An airflow control system ventilates the charging device and restricts airflow adjacent th... | 02/06/2007 |
| 7171137 | Developing apparatus and image forming equipment and method thereof A method and developing apparatus are provided. The method and apparatus comprise a developing carrier, spaced apart from an image carrier at a predetermined interval, for developing an electrostatic latent image formed on the image carrier during rotation; and a ro... | 01/30/2007 |
| 7155149 | Image forming apparatus which detects abnormality condition in feeding of toner An image apparatus comprising a toner supplying device; a toner receiving device; a first toner conduit communicating with the toner receiving device to feed a toner supplied from the toner supplying device; a first feeding device which forms an air stream to feed t... | 12/26/2006 |
| 7149454 | Liquid electrophotography printer having exhaust system with oxidative catalyst filter An exhaust system of a liquid electrophotography printer includes: an exhaust line to discharge air inside an engine cell to an outside thereof; at least one exhaust fan, which is installed inside the exhaust line to generate and move the air inside the engine cell;... | 12/12/2006 |
| 7139502 | Process cartridge and electrophotographic image forming apparatus A process cartridge detachably mountable to an electrophotographic image forming apparatus main body, including: an electrophotographic photosensitive drum; a cleaning member for removing developer adhering to the photosensitive drum; a removed developer containing ... | 11/21/2006 |
| 7123854 | Printer contaminant abatement systems and methods Embodiments herein comprise a compact dust abatement apparatus that includes at least one manifold shaped to fit next to a belt or drum of a printing engine, at least one blower/fan positioned within the manifold, and at least one air duct connected to the manifold.... | 10/17/2006 |
| 7116924 | Delivery unit and method with a carrier vapor collection duct and a carrier purifier using the same A delivery unit and method for removing carrier vapor in a wet-type printer. The delivery unit includes a delivery guide, delivery rollers and a duct for collecting carrier vapor generated from a paper by the latent heat on the paper passing through the delivery gui... | 10/03/2006 |
