| Class / Patent application number | Description | Number of patent applications / Date published |
|---|
| 399094000 | Temperature | 64 |
| 20080232844 | IMAGE FORMING APPARATUS, EXPOSURE APPARATUS AND IMAGE FORMING METHOD - The image forming apparatus is provided with: plural image carriers; and plural exposure apparatuses that are arranged corresponding to the plural image carriers respectively. The exposure apparatus has a light emitting element member that exposes the image carrier and is arranged on a substrate. A predetermined exposure apparatus among the plural exposure apparatuses includes a heating unit that heats the substrate, and other exposure apparatus other than the predetermined exposure apparatus does not include the heating unit. | 09-25-2008 |
| 20090016765 | Image Forming Device and Image Forming Method - An image forming device including: a fixing unit that fixes a toner image formed on a recording medium by heating the toner image to a temperature that is higher than the softening point of a toner that forms the toner image; and a cooling unit that cools the fixed toner image from a temperature that is higher than the softening point of the toner, to a temperature that is lower than the softening point of the toner, at a predetermined cooling speed. | 01-15-2009 |
| 20090035009 | COOLING STRUCTURE AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME - A cooling structure includes driving motors as heat sources, a metal sheet body as a heat transfer member that comes into contact with the driving motors, and a first fan serving as a cooling portion provided oppositely to the metal sheet body in a portion spaced apart from the position at which the driving motors are provided to cool the metal sheet body. | 02-05-2009 |
| 20090060561 | IMAGE FORMING APPARATUS - An image forming apparatus is provided with a feed interval control section that sets feed intervals of the recording materials, for a defined period from immediately after completion of the warm-up operation for a fixing-side rotor and the pressure-side rotor determined by a warm-up completion determination section, to be longer than feed intervals of the recording materials posterior to the defined period in a high-humidity and low-temperature state. Thereby, the image forming apparatus prevents elongation of a warm-up time while achieving both reduction of the back curl and maintenance of fixability in the high-humidity and low-temperature state. | 03-05-2009 |
| 20090116866 | Heat exchange unit for a printing system - A heat exchange unit and a printing system containing the heat exchange unit, including a heat exchange region, a first print media transport path configured for transporting in operation a first print medium from a supply through the heat exchange, the heat exchange unit further containing a stationary heat exchange member, having a first side facing said first print media transport path and a second opposite side facing said second print media transport path, wherein, in operation, the second print medium is at an elevated temperature with respect to the first print medium and wherein, the first and second print medium have a heat exchange contact in the heat exchange region. | 05-07-2009 |
| 20090269098 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS HAVING THE SAME - A developing device according to the present invention includes a developer storing section storing a developer, a stirring member disposed in the developer storing section and transporting the developer while stirring the developer, a developer carrier receiving the developer from the developer storing section and carrying the developer, a developer regulating member regulating the amount of the developer received by the developer carrier from the developer storing section, and a heat-dissipating member disposed at a position in contact with the developer and capable of dissipating heat of the developer. The heat-dissipating member has a surface in contact with the developer and the contact surface of the heat-dissipating member has an arithmetic surface roughness Ra | 10-29-2009 |
| 20090269099 | IMAGE FORMING APPARATUS INCLUDING COOLING DEVICE - An image forming apparatus comprising a main body, a cooling device, and a coupling assembly. The cooling device cools a cooling target such as a heat generator, and includes a heat-receiving section forming a heat-receiving-section channel through which a coolant flows to absorb heat from the cooling target, a cooling section to cool the coolant, and a circulation path to circulate the coolant between the heat-receiving section and the cooling section, cooling the coolant at the heat-receiving section, and transporting the coolant back to the heat-receiving section. The cooling target is detachable from the main body together with the heat-receiving section. The cooling section is provided at the main body. The coupling assembly connects the heat-receiving-section channel and the circulation path to circulate the coolant between the heat-receiving section and the cooling section whether with the cooling target installed in or detached from the main body. | 10-29-2009 |
| 20100008694 | LIQUID-COOLING TYPE COOLING DEVICE AND IMAGE FORMING APPARATUS - In order to form a circulating route of a liquid cooling medium for cooling a temperature rising part of an image forming apparatus, a liquid-cooling type cooling device includes a heat receiving section which causes the liquid cooling medium to absorb heat of the temperature rising part, a radiator which causes the heat of the liquid cooling medium to release, and a pump which circulates the liquid cooling medium. The heat receiving section includes a heat receiving main body in which a flowing route of the liquid cooling medium and a contacting surface for contacting the temperature rising part are formed, and a heat receiving main body covering part which covers outer surfaces other than the contacting surface of the heat receiving main body. The heat receiving main body covering part is formed of a material whose heat conductivity is lower than that of the heat receiving main body. | 01-14-2010 |
| 20100008695 | IMAGE FORMING APPARATUS - An image forming apparatus having a liquid-cooled cooling system prevents problems caused by a potential leakage of coolant used in the liquid-cooled cooling system. The liquid-cooled cooling system cools a heat-generating image forming portion using the coolant, which is circulated by a pump through a circulating path. The cooling system includes a heat-receiving member disposed in thermal contact with the image forming portion to absorb heat generated by the image forming portion. The heat-receiving member is connected with the circulating path via a joint. The joint is disposed within an enclosed space between the image forming portion and an electrical component drive portion for driving or controlling the image forming portion, so that the image forming portion and the electrical component drive portion can be protected from the coolant in the event of coolant leakage via the joint. | 01-14-2010 |
| 20100061755 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image carrying member carrying a latent image and a development device disposed along a surface of the image carrying member. The development device includes a developer storing case storing a developer, a developer carrying member carrying the developer to develop the latent image with the developer in an area in which the surface of the developer carrying member faces the surface of the image carrying member, a developer supplying member supplying the developer carrying member with the developer, a metal member extending in an axial direction of the developer carrying member to receive heat conducted from the developer, and a heat releasing device provided on at least one of the outer sides of the developer storing case in the axial direction of the developer carrying member and disposed in contact with the metal member to release the heat conducted from the metal member. | 03-11-2010 |
| 20100189461 | Cleaning unit, process cartriedge incorporating same, and image forming apparatus incorporating the cleaning unit - A cleaning unit, which can be incorporated in a process cartridge removably installable in an image forming apparatus, includes a lubricant applicator to apply lubricant to an image carrier, a first blade disposed upstream from the lubricant applicator in a direction of rotation of the image carrier with its distal end held in contact with the image carrier to remove residual toner remaining on the image carrier, a second blade disposed downstream from the lubricant applicator in the direction of rotation of the image carrier with its distal end held in contact with the image carrier to regulate the amount of lubricant applied to the image carrier, a temperature measuring member to measure a temperature of or near the second blade, a heater, and a temperature controller to control the heater to heat the second blade so that the measured temperature falls within a given set temperature range. | 07-29-2010 |
| 20100209133 | ROLLER TO AFFECT THE TEMPERATURE OF A PRINT SUBSTRATE IN A DIGITAL PRINTER - In a roller to affect a temperature of a print substrate in a digital printer, a hollow roll is mounted to a shaft. Channels are provided for a heat transport medium in the hollow wall. A roller shell of the hollow roll is comprised of arc-shaped segments extending over a width of the hollow roll. The segments end laterally in arms designed so that the arms of adjacent segments are connected to each other. The channels extend over the width of the hollow roll and are assembled respectively from the segments of the roller shell. A respective covering plate is clamped between the arms of the respective segments. | 08-19-2010 |
| 20110013926 | LIGHT-EMITTING UNIT - A light-emitting unit having an arrayed light source comprises a substrate; an arrayed light source group containing the arrayed light source arranged in a first direction; a lens array for focusing the light emitted from light emitting elements constituting the arrayed light source; and a lens support having a cavity formed between arrayed light source group and the lens array; the lens support having a first hole for introducing a fluid into the cavity, and a second hole for discharging the introduced fluid in a second direction crossing the first direction. | 01-20-2011 |
| 20110026964 | IMAGE FORMING APPARATUS - An image forming apparatus includes a first image bearing drum; a first developing device; a second image bearing drum; a second developing device; an intermediary transfer member for carrying the image transferred from the first drum and the toner image transferred from the second drum; a cleaning device for collecting toner deposited on the intermediary transfer member; heating means for heating at least a sheet; an executing portion capable executing an operation in a first mode for forming the image on the intermediary transfer member from the first and second drums and an operation in a second mode for forming an image on an intermediary transfer member from the second drum without transfer of the toner image from the first drum onto the intermediary transfer member; a temperature detecting portion disposed in the apparatus; a fan for feeding air in the apparatus; control means for controlling the fan on the basis of an output of the temperature detecting portion so that an air feed amount increases with increase of the temperature; a setting portion for setting a temperature so that the temperature at which the air feed amount is increased in the second mode is lower than the temperature at which the air feed amount is increased in the first mode. | 02-03-2011 |
| 20110052247 | Cooling device and image forming device - A cooling device includes a cooling roller having a dual tube structure including an inner tube disposed inside an outer tube, an outside flow passage and an inside flow passage in which a cooling medium flows, and an opening that allows the outside flow passage to communicate with the inside flow passage, a cooling medium transport unit, and a rotating tube joint unit mounted to one end side of the cooling roller. One end of the outer tube is coaxially rotatably fitted to a first fitting section of the rotating tube joint unit. One end of the inner tube is coaxially fitted into and rotatably or fixedly supported to a second fitting section of the rotating tube joint unit, and the other end is coaxially fitted into and rotatably or fixedly supported to a fitting section on the other end of the outer tube. | 03-03-2011 |
| 20110052248 | COOLING DEVICE AND IMAGE FORMING DEVICE - A cooling device is disclosed. The cooling device includes a cooling section which is moveably provided with respect to an image forming device body between a first location and a second location, the second location being different from the first location, and which cools surroundings with a cooling medium to be supplied; a cooling medium supply section which is provided at the image forming device body and which cools the cooling medium to supply the cooled cooling medium to the cooling section; and a connecting member which connects the cooling section and the cooling medium supply section to circulate the cooling medium between the cooling section and the cooling medium supply section, wherein the connecting member includes a flexible member and is supported by a guiding member which guides an operation of tracking the connecting member in conjunction with movement of the cooling section. | 03-03-2011 |
| 20110052249 | COOLING DEVICE AND IMAGE FORMING APPARATUS - Disclosed is a cooling device that includes a cooling part that is movably provided between a first position and a second position different from the first position with respect to an image forming apparatus main body and cools a periphery thereof with a cooling medium to be supplied; a cooling medium supply part that is provided in the image forming apparatus main body and cools and supplies the cooling medium to the cooling part; and a connecting member that connects the cooling part to the cooling medium supply part to circulate the cooling medium between the cooling part and the cooling medium supply part; wherein the connecting member is configured to include a flexible member and spirally provided with a moving direction of the cooling part as an axis center. | 03-03-2011 |
| 20110158676 | IMAGE FORMING APPARATUS - An image forming apparatus includes a fusing device; a developing device; a partition wall disposed between the fusing device and the developing device, wherein the partition wall includes a Peltier element for transferring heat from the developing device to the fusing device and a cooling heat storage member disposed nearer to the developing device than the Peltier element. | 06-30-2011 |
| 20110164896 | Cooling device and image forming apparatus - A cooling device includes a heat receiving unit disposed to contact a surface of a temperature-increasing part the temperature of which increases during an image forming process; a radiation unit transferring heat from a cooling liquid; a tube for circulating the cooling liquid between the heat receiving unit and the radiation unit in a liquid circulation direction; a conveying unit conveying the cooling liquid through the tube; a coupling having an internal flow path and including a first end to which a first part of the tube is connected and a second end to which a second part of the tube is connected; and an outlet for draining the cooling liquid from the tube. At least one of the first part of the tube and the second part of the tube extends to a position lower than the position of the coupling. | 07-07-2011 |
| 20110170895 | Image forming apparatus - An image forming apparatus includes an image forming unit that creates an image and a liquid cooling unit. The liquid cooling unit includes a heat receiving disposed in contact with a temperature rising portion, in the image forming unit, in which a temperature rises due to an image forming operation by the image forming unit, a heat radiating unit that radiates heat of a cooling liquid, a flow passage forming member that allows the cooling liquid to circulate between the heat receiving unit and the heat radiating unit, and a conveying unit that conveys the cooling liquid through the flow passage forming member. The heat radiating unit includes a radiator, and the radiator is disposed at a downstream side of the conveying unit in a cooling liquid flow direction and at an upstream side of the heat receiving unit in the cooling liquid flow direction. | 07-14-2011 |
| 20110182609 | IMAGE FORMING APPARATUS - An image forming apparatus includes a compressed air generator, a nozzle, a tube, a cooling device, and a drain discharging portion. The compressed air generator generates and injects compressed air onto at least one of a recording medium and components in the image forming apparatus. The compressed air is injected from the nozzle. The tube connects the compressed air generator and the nozzle, and the compressed air passes through the tube. The cooling device cools at least a portion of the tube. The drain discharging portion discharges drain generated in the tube during cooling by the cooling device. | 07-28-2011 |
| 20110182610 | DEVELOPMENT DEVICE AND IMAGE FORMING APPARATUS - A development device includes a developing section to visualize a latent image formed on a latent image carrier with developer including toner and carrier. The development device has a developer supply opening and a developer collection opening, a circulation unit to transport the developer collected from the developer collection opening of the developing section to the developer supply opening of the developing section and including a developer container to store the developer collected from the developing section disposed upstream from the development section in a direction in which the developer is circulated, and a developer cooler to cool the developer contained in the developer container. | 07-28-2011 |
| 20110188880 | Cooling device and image forming apparatus including the same - Of a cooling device that is for use in an image forming apparatus and that includes: a heat receiving unit that receives heat from a cooling target and that is disposed to come into and away from contact with the cooling target; a heat radiating unit that radiates the heat received by the heat receiving unit; a heat conductive member disposed on at least one of a surface of the heat receiving unit on the side facing the cooling target and a surface of the cooling target on the side facing the heat receiving unit; and a protection member that is disposed on the heat conductive member to protect the heat conductive member, the protection member is substantially incompatible with binder resin of toner for use in the image forming apparatus. | 08-04-2011 |
| 20110262177 | IMAGE FORMING APPARATUS - According to one embodiment, an image forming apparatus includes a printing unit, a fixing device, a conveying roller, and a control unit. The printing unit is configured to form an image by transferring toner onto a sheet. The fixing device is configured to heat and fix the toner onto the sheet. The fixing device is disposed on the downstream side of the printing unit. The conveying roller is configured to convey the sheet from the fixing device. The conveying roller is disposed on the downstream side of the fixing device. The control unit is configured to control the sheet heated by the fixing device to pass through the conveying roller a plurality of times before the image is formed on the sheet by the printing unit. | 10-27-2011 |
| 20120020697 | METHOD OF FIXING A HEAT CURABLE TONER TO A CARRIER - A method and an apparatus of fixing a heat curable toner to a carrier substrate are shown. In the method, a toner applied to a first surface of the carrier substrate is heated above the glass transition temperature of the toner by microwave radiation, using at least one microwave applicator as a first heat source, to thereby initiate thermal cross-linking of polymer chains of said toner. The temperature is kept above the glass transition temperature of the toner for a predetermined time of at least one second, by applying heat to the toner by means of at least one non-contact second heat source, to thereby allow the thermal cross-linking to proceed further and to thereby raise the glass transition temperature of the toner. The apparatus has at least one microwave applicator forming a first heat source, at least one second heat source for heating the toner and/or the carrier substrate, at least one transport mechanism for contacting the carrier substrate on a second side thereof and for transporting the carrier substrate in sequence along the first and second heat sources and at least one controller for controlling the first heat source, the second heat source and/or the transport mechanism such that toner on a first side of the carrier substrate is heated above its glass transition temperature and kept at a temperature above the glass transition temperature for at least one second. | 01-26-2012 |
| 20120224879 | IMAGE FORMING APPARATUS - An image forming apparatus includes a plurality of image bearing members to bear a toner image on a surface thereof, a transfer device including a plurality of transfer members and an endless belt formed into a loop and entrained around the transfer members, to transfer the toner images from the image bearing members onto the surface of the belt so that the toner images are superimposed one atop the other on the belt to form a composite toner image, a plurality of cleaning devices including a cleaning blade to remove residual toner remaining on the image bearing members after transfer of the toner images onto the belt, and a plurality of heaters disposed inside the loop formed by the belt. Each of the heaters is disposed between adjacent image bearing members. The belt is interposed between the plurality of heaters and the plurality of image bearing members. | 09-06-2012 |
| 20120251157 | IMAGE FORMING APPARATUS FOR PERFORMING FIXING PROCESSING BY INDUCTION HEATING SYSTEM - An image forming apparatus includes a first housing, a second housing on which the first housing is mounted, a first roller, a second roller, a nipping pressure adjusting mechanism, an induction heating unit and a retaining mechanism. A first rotary shaft of the first roller is rotatably supported by the first housing in a state of being positionally immovable. A second rotary shaft of the second roller is rotatably supported by the first housing in a state of being positionally movable. The nipping pressure adjusting mechanism changes the posture of the second roller between a first posture that the second roller is pressingly contacted with the first roller with a first pressure, and a second posture that the second roller is pressingly contacted with the first roller with a second pressure lower than the first pressure. The relative positions between the second roller and the induction heating unit are retained. | 10-04-2012 |
| 20120263491 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A cooling device using a liquid coolant, including a heat receiving part separatably contactable to a target to be cooled detachably installable in an image forming apparatus, a heat releasing part to release heat from the liquid coolant, a circulation channel through which the liquid coolant is circulated between the heat receiving part and the heat releasing part, and a pump operatively connected to the circulation channel to convey the liquid coolant through the circulation channel. The circulation channel has a flexible part and a metal part continuous with the flexible part. | 10-18-2012 |
| 20130004197 | Regulating Temperature of a Roller Device - A roller device includes a cylinder member. The cylinder member includes wall member having a plurality of channels that are disposed within the wall member. The channels circulate a fluid therein to uniformly regulate a temperature of the cylinder member. | 01-03-2013 |
| 20130071136 | Fixing Device and Image Forming Apparatus Including the Same - A magnetic core includes a plurality of first core portions arranged to surround a coil in a direction perpendicular to a conveying direction of a recording medium, and a second core portions disposed closer to a heating member than the first core portion on both end portions in the direction perpendicular to the conveying direction of the recording medium in a hollow portion formed by a coil loop. The second core portion has thermal capacity smaller than that of the first core portion. Curie temperature of the second core portion is a temperature of the second core portion or higher when the heating member becomes a fixable temperature and is a cooling set temperature of the coil or lower. | 03-21-2013 |
| 20130148999 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes a rotatable pressure member; a heating member that is provided so as to oppose the pressure member, and including a heat source; a fixing member that is contacted by the heating member, and fixing an image to a recording medium as a result of transporting the recording medium while the recording medium is nipped at a nip when the fixing member is pressed by the pressure member, the image being formed of toner including a separating agent, the nip being formed between the fixing member and the pressure member; a cooling unit that cools the pressure member at a location that is situated downstream of the nip; and a removing member that contacts the pressure member and removes the separating agent from the pressure member, the separating agent being transferred from the fixing member. | 06-13-2013 |
| 20130149000 | FIXING DEVICE AND IMAGE FORMING APPARATUS - A fixing device includes a rotatable pressure member; a heating member that is provided so as to oppose the pressure member, and that includes a heat source; a fixing member that fixes an image to a recording medium as a result of transporting the recording medium while the recording medium is nipped at a nip when the fixing member is pressed by the pressure member, the image being formed of toner including a separating agent; a cooling unit that cools the pressure member at a location that is situated downstream of the nip; a removing roller that, while being driven and rotated by the pressure member, removes the separating agent from the pressure member, the separating agent being transferred from the fixing member; and a removing member that contacts the removing roller and removes the separating agent adhered to the removing roller from the removing roller. | 06-13-2013 |
| 20130216254 | PRINTER VAPOR TREATMENT PREHEATING - A printer applies an imaging material to form an image, withdraws vapors from the applied imaging material and treats the withdrawn vapors with a vapor treatment system. The printer heats untreated withdrawn vapors with heat from the vapor treatment system. | 08-22-2013 |
| 20130251392 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A cooling device including a heat pipe to cool a sheet, a radiator provided to an end of the heat pipe, and a duct accommodating the radiator and having a closably openable cover member. The cover member is openable to enable attachment and detachment of the heat pipe to and from the cooling device in a predetermined direction. | 09-26-2013 |
| 20130259512 | COOLING DEVICE AND IMAGE FORMING APPARATUS - A cooling device includes a cooling member including a circulation passage for liquid coolant, and a cooling surface being directly or indirectly made to contact with a recording material being conveyed to cool the recording material. The circulation passage includes multiple passage sections arranged crossing to a conveying direction of the recording material, and a folded passage section to guide the liquid coolant from one of the multiple passage sections to another one of the multiple passage sections while changing a flowing direction of the liquid coolant. The folded passage section is disposed outside of an image forming area of the recording material on the cooling surface of the cooling member. | 10-03-2013 |
| 20130272743 | IMAGE FORMING APPARATUS - An image forming apparatus includes: an image carrier configured to carry an electrostatic latent image thereon; a developing device to render the electrostatic latent image visible with a developer including toner and a carrier; a developer container to contain the developer collected from the developing device; a developer conveyance path through which the developer discharged from the developer container is conveyed to the developing device; a coolant conveyance path to convey a coolant; and a cooling device to cool the developer contained in the developer container when the coolant is contacted to an external surface of the developer container, in which the developer container and the coolant conveyance path are made of different materials and a thermal conductivity of the developer container is higher than that of the coolant conveyance path. | 10-17-2013 |
| 20130287426 | IMAGE FORMING APPARATUS - A temperature sensor is provided on the outer side of a developing container in an area where toner is filled inside the developing container, so that both toner temperature in the developing container and temperature around a drum can be acquired, and hence the amount of discharge of toner and the air capacity of a fan can be adjusted optimally based on the acquired values. | 10-31-2013 |
| 20130322915 | IMAGE FORMING APPARATUS - An image forming apparatus includes an air-conditioning section to control at least one of temperature and humidity of air, a first passage to guide the air sent off by the air-conditioning section to a temperature-controlled portion in the image forming apparatus, an air-intake section to take in the air from outside of the image forming apparatus, and a second passage to guide the air taken in by the air-intake section to the temperature-controlled portion. | 12-05-2013 |
| 20140029970 | PRINTER INTERNAL CLIMATE CONTROL - In one example, a climate control system for a printer includes: an air flow path from an intake for receiving warmer, dirtier aft from a printing area of the printer to an exhaust for returning cooler, cleaner air to the printing area of the printer; a first heat exchanger in the flow path for exchanging heat between warmer air coming from the intake and cooler air going to the exhaust; and a second heat exchanger in the flow path for receiving warmer, dirtier air from the first heat exchanger and passing cooler, cleaner air to the first heat exchanger. The second heat exchanger is configured to cool the air to a predetermined dew point temperature corresponding to a desired level of a contaminant in the air. | 01-30-2014 |
| 20140064775 | COOLING DEVICE HAVING A TURBULENCE GENERATING UNIT - In a cooling device that includes a cooling roller that comprises a hollow tubular member and a cooling medium transport unit for transporting a cooling liquid to the inside of the cooling roller and contacts a sheet-like member to cool down the paper, a turbulence generating unit that generates turbulence in a cooling liquid is disposed near an inner wall of the outer tube. | 03-06-2014 |
| 20140086615 | Image Forming Apparatus - An image forming apparatus may includes: an apparatus body; a fixing device removably mounted to the apparatus body and including a first fixing member, a heat generation member which heats the first fixing member, a second fixing member forming a fixing nip between the first fixing member and the second fixing member, and a housing accommodating at least the heat generation member and the first fixing member and provided with a communication part communicating between inner and outer sides of the housing; a transfer member arranged upstream of the fixing device in a conveyance direction of a recording sheet, and to which developer is configured to be transferred; a sensor configured to detect the developer transferred to the transfer member; and a film arranged to cover the sensor between the communication part and the sensor. | 03-27-2014 |
| 20140219677 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A cooling device including at least two cooling members to cool a recording medium passing thereover, a coolant circulation unit to circulate a coolant, and tubing that connects the coolant circulation unit to the cooling members and through which the coolant circulates. Each of the cooling members includes a heat-absorbing surface that directly contacts the recording medium or indirectly contacts the recording medium via a thermal transmission member, an internal channel provided within each of the cooling members through which the coolant circulates, and a channel inlet and outlet formed at downstream and upstream ends of each of the cooling members in a direction of conveyance of the recording medium, respectively. One of an interval and a thermal insulator is provided between the cooling members. | 08-07-2014 |
| 20140356015 | IMAGE HEATING APPARATUS - An image heating apparatus includes an endless belt for heating a toner image on a sheet in a nip, wherein an inner surface of the belt is coated with a lubricant; a driving roller cooperative with the belt to form the nip; an urging member provided inside the belt to urge the belt toward the roller; a first regulating portion for regulating a position of the belt, the first regulating portion being to be abutted to by one end edge of the belt; a first heat sink provided on the first regulating portion cool the first regulating portion; a second regulating portion for regulating a position of the belt, the second regulating portion being to be abutted to by the other end edge of the belt; and a second heat sink provided on the second regulating portion to cool the second regulating portion. | 12-04-2014 |
| 20140369712 | IMAGE FORMING APPARATUS - An image forming apparatus includes a cooling device and a drawer. The cooling device includes two medium cooling members facing each other with a medium transport path therebetween, and a movable body moving the cooling members between a first position where they face each other and a second position where they are disposed away from each other. The drawer supports the transport path and the cooling device and is movable between a cooling-device accommodated position inside the apparatus and a cooling-device ejected position outside the apparatus. A transport-path length from an upstream end of the cooling device to a downstream end of the transport path in the movable body is longer than a length of a maximum-size medium. When the drawer and the movable body move to the accommodated position and the second position, respectively, the movable body is accommodated within a space within the apparatus. | 12-18-2014 |
| 20150063857 | Heat Transfer System for a Fuser Assembly - A fuser assembly for an electrophotographic imaging device which removes excess heat from overheated portions of the fuser assembly and includes a heating member; a backup roll disposed proximate to the heating member so as to form a fuser nip therewith; and a heat exchange roll in contact with the backup roll such that rotation of the backup roll rotates the heat exchange roll, the heat exchange roll having an air passage for moving cooling air from one end to an opposite end of the heat exchange roll so as to provide cooling to the fuser assembly. | 03-05-2015 |
| 20150063858 | IMAGE FORMING APPARATUS - Disclosed is an image forming apparatus including: a printing paper transport path in which printing paper is transported; a secondary transfer unit and a fixing section both disposed on the printing paper transport path; an open/close cover that, when opened, exposes the printing paper transport path in a main body of the apparatus; a pressure roller, disposed in the fixing section, that presses the printing paper on a side thereof facing the open/close cover against the printing paper transport path; and cooling fans that cool down the pressure roller, wherein the secondary transfer unit and the cooling fans are attached to the open/close cover and disposed at such positions that the secondary transfer unit and the cooling fans move following overlapping paths when the open/close cover is opened/closed. | 03-05-2015 |
| 20150071677 | LIQUID COOLING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME - A liquid type cooling device, which is incorporated in an image forming apparatus, includes a heat receiving part including a heat receiving unit to transport heat from a cooling target to a coolant and a heat releasing part including a heat releasing unit, a cooling fan, and an air flowing space. The heat releasing unit has a coolant flowing path and an air flowing path through which air passes and conducts heat exchange with the coolant. The air flowing space has an air inlet port and an air outlet port. When the air flowing path has an upstream region and a downstream region along a coolant flowing direction of the coolant flowing path, air at high temperature flows into the upstream region of the air flowing path. Alternatively, the heat releasing unit may have a coolant inlet port, a coolant outlet port, and the air flowing path. | 03-12-2015 |
| 20160048106 | COOLING DEVICE AND IMAGE FORMING APPARATUS INCLUDING SAME - A recording-material cooling device includes a first belt, a first cooling unit, and a second cooling unit. The first belt is disposed at a first face side of a recording material. The first cooling unit has a first heat absorbing surface to contact the first belt to absorb heat of the recording material. The second cooling unit has a second heat absorbing surface to directly or indirectly contact the recording material to absorb heat of the recording material. The second cooling unit is disposed at a second face side of the recording material. The first and second cooling units are offset from each other in a transport direction of the recording material. Each of the first and second surfaces has a shape in which an inner area protrudes beyond opposed ends in the transport direction. The first and second surfaces overlap each other in a direction crossing the transport direction. | 02-18-2016 |
| 20160091859 | IMAGE FORMING APPARATUS INCORPORATING IMAGE FORMING DEVICE AND COOLING DEVICE THEREIN - An image forming apparatus includes an apparatus body, an image forming device provided in the apparatus body and forming an image on a surface of a recording medium, a cooler to cool the image forming device, a temperature detector to detect a temperature around the apparatus body, and a controller including a computing part to count a driving period of the image forming device and a memory to store a computed value obtained by the computing part as a counter value. The controller controls driving of the image forming device and driving of the cooler based on a detected temperature obtained by the temperature detector and the counter value. The controller adjusts the driving of the image forming device irrespective of the counter value to a regular driving speed when the detected temperature is lower than a reference temperature. | 03-31-2016 |
| 20160195846 | DEVELOPING DEVICE AND IMAGE FORMING APPARATUS INCORPORATING SAME | 07-07-2016 |
| 20160195847 | COOLING DEVICE AND IMAGE FORMING APPARATUS | 07-07-2016 |
| 20180024483 | IMAGE FORMING APPARATUS | 01-25-2018 |
| 399095000 | Platen | 1 |
| 20100054792 | IMAGE FORMING APPARATUS AND IMAGE FORMING UNIT - An image forming apparatus is provided with an image bearing member for bearing a toner image while rotating, a toner image forming device for forming the toner image on the image bearing member, a neutralizer for neutralizing electric charges on the image bearing member by irradiating light to the charged image bearing member after the toner image formed on the rotating image bearing member is transferred to a transfer material, and a frame for supporting the neutralizer. A first clearance is present between the neutralizer and the frame. | 03-04-2010 |
| 399096000 | Photoconductive member | 11 |
| 20090052934 | IMAGE FORMING APPARATUS AND IMAGE FORMING METHOD - The present invention provides an image forming apparatus and an image forming method capable of effectively suppressing the occurrence of image deletion etc. and thus stably obtaining a high-quality image and stably reducing the influence of titanium oxide particles on image quality. The image forming apparatus includes an amorphous silicon photoconductor drum having a heater provided therein; a charging device; and a rotating member that cleans the surfaces of the amorphous silicon photoconductor drum using titanium oxide particles included in toner particles. In the image forming apparatus and the image forming method using the same, the heater controls a difference between the surface temperature of the amorphous silicon photoconductor drum and the outdoor temperature within a predetermined range, and slide friction between the amorphous silicon photoconductor drum and the rotating member and the average primary particle diameter of the titanium oxide particles are set in predetermined ranges. | 02-26-2009 |
| 20100260513 | Temperature Control Unit For Electrophotographic Photoconductor Substrate - There is provided a temperature control unit for an electrophotographic photoconductor substrate, containing a stretchable membrane member which is detachably disposed in a hollow space of the cylindrical substrate, wherein the membrane member is configured to sequentially stretch until reaching the deepest part of the hollow space of the cylindrical substrate as a result of an introduction of a refrigerant therein to closely contact with an entire inner wall of the cylindrical substrate, and to sequentially shrink to the original shape thereof as a result of a release of the refrigerant therefrom, so that the membrane member is detachably disposed in the hollow space, and wherein the membrane member is configured to make a heat transfer between a surface of the cylindrical substrate and the refrigerant via the membrane member closely contacted with the inner surface of the cylindrical substrate, to control a surface temperature of the cylindrical substrate. | 10-14-2010 |
| 20110243596 | PHOTORECEPTOR, COOLING MECHANISM FOR PHOTORECEPTOR, AND IMAGE FORMING APPARATUS PROVIDED WITH THE SAME - A cooling mechanism for a photoreceptor includes: a photoreceptor of cylindrical shape; a pair of flanges respectively attached to both ends in an axial direction of the photoreceptor; a rotational shaft that is inserted into a shaft center of the photoreceptor; a holder that is disposed to face a first flange and rotatably supports the rotational shaft; and a main body frame that supports the holder. In such a cooling mechanism for a photoreceptor, an air duct is configured by the through hole formed in the flange and the concave portion formed on the holder, and discharges air flow generated inside the photoreceptor to the outside thereof. | 10-06-2011 |
| 20120014708 | PRE-FIXING HEATING DEVICE, IMAGE FORMING APPARATUS, AND IMAGE FORMING METHOD - An image forming apparatus includes: a heating device which is installed upstream from a fixing device in a recording medium carrying direction and heats an image forming face of a recording medium; a temperature sensor which detects temperature of a heating device; a cooling device which cools a transfer belt; a cooling fan which cools the cooling device, a photoconductive drum temperature sensor which is provided for each photoconductive drum and detects temperature of the photoconductive drum; and a control unit which controls heating temperature of the heating device to higher than a toner outer layer glass transition temperature Tg and lower than a toner melting point Tm and controls the temperature of the photoconductive drum to lower than a threshold temperature. | 01-19-2012 |
| 20120237250 | IMAGE-FORMING APPARATUS - An image-forming apparatus, comprising: a rotatable photoreceptor; a charging device configured to charge a surface of the photoreceptor to be a target charge potential; an exposure device configured to expose a charged portion on the surface of the photoreceptor to form an electrostatic latent image; a developing device configured to develop the electrostatic latent image using toner to form a toner image; a transfer device configured to apply a transfer bias between the photoreceptor and a transfer member by applying an electrical potential of opposite polarity to the target charge potential to the transfer member facing the photoreceptor, and which transfers the toner image on the photoreceptor onto a body to be transferred by the transfer bias; a neutralization device configured to neutralize the surface of the photoreceptor by irradiating the surface with neutralization light after the transferring; and a pre-rotation device configured to perform a pre-rotation process. | 09-20-2012 |
| 20120321340 | METHOD FOR EXTERNALLY HEATING A PHOTORECEPTOR - A thick film charging device is used to simultaneously heat a photoreceptor as it is being charged in order to mitigate image quality defects associated with the photoreceptor in high humidity conditions. | 12-20-2012 |
| 20140233977 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearing member, a developing unit, a cleaning unit, and a heating element. The heating element for heating the image bearing member includes: a substrate having a length corresponding to an entire region of the image bearing member in a longitudinal direction of the image bearing member; and a plurality of resistor chips mounted on the substrate. At least either resistance values or spacing intervals of the resistor chips vary in a longitudinal direction of the substrate to ensure that the surface temperature distribution of the image bearing member heated by the heating element is uniform. | 08-21-2014 |
| 20140233978 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearing member, a charging unit, a laser scanning unit, a developing unit, a transfer member, a recording medium conveyance path, a cleaning unit, and a heating element. The recording medium conveyance path includes a resin member that forms a conveyance surface. The resin member has a concave portion at a location closer to the transfer member than to the image bearing member. The heating element for heating the image bearing member is accommodated in the concave portion. The heating element is disposed downstream from the contact point between the image bearing member and the transfer member in the conveyance direction in which a recording medium is conveyed through the recording medium conveyance path. The developing unit is located upstream from the contact point between the image bearing member and the transfer member in the conveyance direction of the recording medium. | 08-21-2014 |
| 20140308053 | IMAGE FORMING APPARATUS - An image forming apparatus includes an image bearing member, a conductive member, a bias application device, and a control portion. The image bearing member has a photosensitive layer formed on an outer peripheral surface thereof. The conductive member is disposed so as to make contact with an inner peripheral surface of the image bearing member and has a dielectric property. The bias application device applies a bias including an alternating current bias to the conductive member. The control portion controls the bias application device. The image forming apparatus is capable of executing a heating-up mode in which an alternating current bias having a peak-to-peak value twice or more as large as a discharge start voltage between the conductive member and the image bearing member is applied to the conductive member to cause the surface of the image bearing member to be heated up. | 10-16-2014 |
| 20150063859 | IMAGE FORMATION APPARATUS - An image formation apparatus includes: a developer image carrier configured to carry a developer image; a transfer unit provided in contact with the developer image carrier, and configured to transfer the developer image onto a medium which is conveyed along a medium conveyance path and passes through a contact between the developer image carrier and the transfer unit; a blower provided on one of upstream and downstream sides, in a medium conveyance direction, of the contact, and configured to cool the surface temperature of the developer image carrier; and a temperature sensor provided on the other of upstream and downstream sides, in the medium conveyance direction, of the contact, and configured to sense an ambient temperature around the developer image carrier. | 03-05-2015 |
| 20160124372 | IMAGE FORMING APPARATUS - An image forming apparatus ( | 05-05-2016 |
