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1. 发明专利

JP2014222278A 画像形成装置有权
标题翻译：图像形成装置
公开(公告)号：JP2014222278A
公开(公告)日：2014-11-27
申请号：JP2013101483
申请日：2013-05-13
申请人：株式会社リコー , Ricoh Co Ltd
发明人： MIYAGAWA HIROAKI , HIRASAWA TOMOYASU , IKEDA KEISUKE , TATEYAMA SUSUMU , ISHII KENJI
IPC分类号： G03G21/20 , G03G15/20
CPC分类号： G03G15/2017 , G03G15/2021 , G03G15/205 , G03G2215/00421 , G03G2215/0129
摘要：【課題】加熱定着後の記録材を搬送ベルトで挟持搬送しながら冷却する冷却搬送装置の消費電力を低減しつつ、待機状態から画像形成動作に移行したあと最初に加熱定着された記録材でも、十分な冷却を行うことができる画像形成装置を提供する。【解決手段】加熱定着後の用紙Pを挟持搬送しながら冷却する冷却搬送装置100の、冷却部材140の冷却手段として、液冷方式の外部放熱手段180を設けた。また、プリンタ300が待機状態のときに、外部放熱手段180の液送ポンプ182及び送風ファン185と、ベルト搬送機構の各搬送ベルトを駆動する駆動ローラ173の駆動を停止させるように制御する。そして、待機時からプリント動作に復帰するとき、冷却搬送装置100の表側搬送ベルト161に加熱定着された用紙Pが接触する前に、外部放熱手段180の液送ポンプ182と送風ファン185を駆動し、冷却部材140の温度を低下させる制御を行う。【選択図】図4
摘要翻译：要解决的问题：提供一种图像形成装置，其能够在从待机状态转换到图像形成操作之后第一次充分地冷却图像被热固定的记录材料，同时降低冷却的功率消耗，输送装置，其在热固定之后冷却记录介质，同时用输送带保持和输送。解决方案：冷却和输送装置100在保持和输送的同时冷却，热固定后的纸张P包括液体冷却中的外部散热装置180 系统作为冷却构件140的冷却装置。当打印机300处于待机状态时，冷却和输送装置100控制以停止驱动液体供给泵182的驱动辊173的驱动和外部散热装置180和带传送机构的传送带。当打印机300从待机状态返回到打印操作时，冷却和传送装置100驱动外部散热装置180的送液泵182和送风风扇185，在具有热固定在其上的图像P被置于与冷却输送装置100的前侧输送带161接触，进行降低冷却部件140的温度的控制。

2. 发明专利

JP2014194532A Air conditioner, and image forming apparatus 有权
标题翻译：空调和图像形成装置
公开(公告)号：JP2014194532A
公开(公告)日：2014-10-09
申请号：JP2014030739
申请日：2014-02-20
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HIRASAWA TOMOYASU , TAKEHARA KENICHI , FUJITANI HIROMITSU , YUASA KEISUKE , TODA YASUAKI , IKEDA KEISUKE
IPC分类号： G03G21/20
摘要： PROBLEM TO BE SOLVED: To suppress the generation of dew condensation in an air conditioner of an environmental intake and exhaust system.SOLUTION: An air conditioner 2 supplies a conditioned airflow to a control object portion 1, and includes a controller 24 that heats or cools an air in an external environment to generate a control airflow, and controls a temperature and a flow rate of the control airflow that is subjected to heat exchange at the control object portion 1 on the basis of a temperature detection value of the control object portion 1. During cooling operation, the controller 24 increases and decreases the temperature of the control airflow within a range equal to or higher than a preset temperature, increases and reduces the flow rate of the control airflow, and suppresses the generation of dew condensation associated with an excessive decrease in temperature of the control airflow.
摘要翻译：要解决的问题：抑制环境进排气系统的空气调节器中的结露的产生。解决方案：空气调节器2将调节气流供应到控制对象部分1，并且包括加热或冷却的控制器24 在外部环境中产生空气以产生控制气流，并且基于控制对象部分1的温度检测值来控制在控制对象部分1处进行热交换的控制气流的温度和流量在制冷运转时，控制器24在等于或高于预设温度的范围内增加和减少控制气流的温度，增加并降低控制气流的流量，并且抑制与控制气流的温度过度下降。

3. 发明专利

JP2014170100A Cooling device and image formation device 有权
标题翻译：冷却装置和图像形成装置
公开(公告)号：JP2014170100A
公开(公告)日：2014-09-18
申请号：JP2013041649
申请日：2013-03-04
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： WATANABE TAKESHI , ISHII KENJI , HIRASAWA TOMOYASU , IKEDA KEISUKE
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To stabilize corotation of a belt to suppress difference in rotational speed of a conveying belt to be small, improve the accuracy of conveying position of a recording material by the conveying belt, and suppress damage of the conveying belt.SOLUTION: A cooling device 9 holds, conveys, and cools a recording material P by disposing belt rotation mechanisms 31, 32 so as to face each other, the belt rotation mechanisms 31, 32 having cooling members 33 for cooling the recording material and belt members 56, 59 held and rotated by a plurality of rollers, respectively. The cooling members have heat absorbing surfaces 34a, 34b swelled in an arcuate face shape, respectively, and each heat absorbing surface is provided in plane-contact with the inner peripheral surface of the belt member of the belt rotation mechanism. A top face of the heat absorbing surface arranged on one of sides across a recording material conveying path and a top face of the heat absorbing surface arranged on the other of the sides across the recording material conveying path are positioned so as to be fitted in each other in a direction crossing the recording material conveying direction. A drive roller 57a is provided only in one of the belt rotation mechanisms, and the other of the belt rotation mechanisms rotates in accordance with the one of the belt rotation mechanisms.
摘要翻译：要解决的问题：为了稳定带的旋转以抑制传送带的旋转速度的差异小，提高输送带的记录材料的输送位置的精度，并且抑制传送带的损坏。解决方案：冷却装置9通过将带旋转机构31,32设置为彼此面对来保持，传送和冷却记录材料P.具有用于冷却记录材料和带部件56的冷却部件33的带旋转机构31,32， 59分别由多个辊保持和旋转。冷却部件分别具有以弓形面形状膨胀的吸热面34a，34b，并且每个吸热面设置成与带旋转机构的带部件的内周面平面地接触。设置在记录材料输送路径的一侧的多个吸热面的顶面和布置在记录材料输送路径的另一侧的吸热面的顶面被定位成每个另一个在与记录材料输送方向交叉的方向上。驱动辊57a仅设置在一个带旋转机构中，另一个带旋转机构根据带旋转机构中的一个旋转。

4. 发明专利

JP2014126824A Cooling device and image forming apparatus 审中-公开
标题翻译：冷却装置和图像形成装置
公开(公告)号：JP2014126824A
公开(公告)日：2014-07-07
申请号：JP2012285722
申请日：2012-12-27
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HIRASAWA TOMOYASU , TAKEHARA KENICHI , FUJITANI HIROMITSU , YUASA KEISUKE , TODA YASUAKI , SHOJI YUTAKA , ISHII KENJI , NAGURA MAKOTO , TATEYAMA SUSUMU , MIYAGAWA HIROAKI , IKEDA KEISUKE
IPC分类号： G03G21/00 , B65H5/02
摘要： PROBLEM TO BE SOLVED: To provide a recording material conveyance device exhibiting stable cooling capability and an image forming apparatus.SOLUTION: A recording material cooling device including a cooling member cooling a recording material conveyed by the travel of the belt of belt conveyance means includes a first cooling part having a heat absorbing surface coming into contact with the belt, to absorb the heat of the recording material and disposed on one surface side of the recording material and a second cooling part having the heat absorbing surface coming into contact with the belt or the recording material, to absorb the heat of the recording material and disposed on the other surface side of the recording material. The heat absorbing surface of the first cooling part and the heat absorbing surface of the second cooling part are shaped to be more projected on the inner side than at both ends in the conveyance direction of the recording material and arranged mutually intricate in a direction crossing the conveyance direction of the recording material.
摘要翻译：要解决的问题：提供一种具有稳定的冷却能力的记录材料输送装置和图像形成装置。解决方案：一种记录材料冷却装置，包括冷却由带传送装置的传送带传送的记录材料的冷却部件，第一冷却部分具有与带接触的吸热表面，以吸收记录材料的热量并且设置在记录材料的一个表面侧;以及第二冷却部分，其具有与带的接触的吸热表面; 记录材料，以吸收记录材料的热量并且设置在记录材料的另一表面侧。第一冷却部分的吸热表面和第二冷却部分的吸热表面被成形为在记录材料的输送方向上比内侧更多地突出，并且在与该记录材料的输送方向相交的方向上相互错综复杂地设置记录材料的输送方向。

5. 发明专利

JP2014035530A Cooling device and image forming device 有权
标题翻译：冷却装置和图像形成装置
公开(公告)号：JP2014035530A
公开(公告)日：2014-02-24
申请号：JP2012178305
申请日：2012-08-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IKEDA KEISUKE , HIRASAWA TOMOYASU , TAKEHARA KENICHI , FUJITANI HIROMITSU , YUASA KEISUKE
IPC分类号： G03G21/20
CPC分类号： G03G21/20 , B41J11/007 , B41J29/377 , G03G15/6573
摘要： PROBLEM TO BE SOLVED: To provide a cooling device allowing cooling performance or cost to be selected according to purposes of use or specifications, while preventing reduction in cooling efficiency, and to provide an image forming device.SOLUTION: A cooling device 100 includes: a belt member 113 which is rotatably stretched on a plurality of stretching members to convey a sheet-like member P carried on its top surface; and a cooling member 111 having a cooling surface in contact with a rear surface of the belt member to cool the sheet-like member across the belt member. The cooling member can be attached to/detached from the device body so that the number of cooling members installed can be changed within a preset maximum number. The cooling device includes contact state adjusting means 7 that adjusts a contact state between the cooling surface of the cooling member and the rear surface of the belt member according to the number of cooling members.
摘要翻译：要解决的问题：提供一种冷却装置，其能够根据使用目的或规格选择冷却性能或成本，同时防止降低冷却效率，并提供图像形成装置。解决方案：冷却装置100包括：带状构件113，其被旋转地拉伸在多个拉伸构件上，以输送承载在其顶表面上的片状构件P; 以及冷却构件111，其具有与带构件的后表面接触的冷却表面，以冷却片状构件穿过带构件。冷却构件可以从装置本体附接/拆卸，使得可以将预定最大数量的冷却构件的数量改变。冷却装置包括接触状态调节装置7，其根据冷却部件的数量调节冷却部件的冷却面与带部件的后表面之间的接触状态。

6. 发明专利

JP2014035529A Cooling device and image forming apparatus 审中-公开
标题翻译：冷却装置和图像形成装置
公开(公告)号：JP2014035529A
公开(公告)日：2014-02-24
申请号：JP2012178292
申请日：2012-08-10
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： IKEDA KEISUKE , HIRASAWA TOMOYASU , TAKEHARA KENICHI , FUJITANI HIROMITSU , YUASA KEISUKE , TODA YASUAKI
IPC分类号： G03G15/00 , G03G15/20
CPC分类号： G03G15/2017 , G03G15/2021 , G03G21/206 , G03G2215/00772
摘要： PROBLEM TO BE SOLVED: To provide a cooling device capable of controlling a temperature of a cooling member to be a temperature suitable for cooling a sheet-like member, while suppressing damage to a toner image on the sheet-like member and a reduction in accuracy of temperature measurement; and an image forming apparatus.SOLUTION: A cooling device 100 includes: sheet-like member conveying means 110 for conveying a sheet-like member; a cooling member 111 that absorbs heat by heat conduction from the sheet-like member being conveyed by the sheet-like member conveying means; adjustment means 9 for adjusting a temperature of the cooling member; and temperature detection means 6 for detecting a temperature of the cooling member. The cooling device 100 is arranged on the downstream in a sheet-like member conveyance direction of a fixing device 60 that changes a fixing temperature depending on the types of the sheet-like member, and further includes control means 70 for performing control to adjust a temperature of the cooling member by the adjustment means on the basis of a detection result of the temperature detection means, so that a temperature of the cooling member becomes a control target temperature according to the type of the sheet-like member.
摘要翻译：要解决的问题：为了提供能够将冷却构件的温度控制为适于冷却片状构件的温度的冷却装置，同时抑制片状构件上的调色剂图像的损坏和精度的降低的温度测量; 和图像形成装置。解决方案：冷却装置100包括：用于输送片状构件的片状构件输送装置110; 冷却构件111，其通过由片状构件输送装置输送的片状构件的热传导吸收热量; 用于调节冷却构件的温度的调节装置9; 以及用于检测冷却部件的温度的温度检测装置6。冷却装置100布置在定影装置60的片状构件输送方向的下游，该定影装置60根据片状构件的类型改变定影温度，并且还包括控制装置70，用于执行控制以调节基于温度检测装置的检测结果，通过调节装置对冷却构件的温度进行控制，使得冷却构件的温度根据片状构件的类型变为控制目标温度。

7. 发明专利

JP2013120205A Image forming apparatus 审中-公开
标题翻译：图像形成装置
公开(公告)号：JP2013120205A
公开(公告)日：2013-06-17
申请号：JP2011266696
申请日：2011-12-06
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HIRASAWA TOMOYASU , SAITO MASANORI , IKEDA KEISUKE
IPC分类号： G03G21/20
摘要： PROBLEM TO BE SOLVED: To provide an image forming apparatus which can effectively prevent contamination of a recording medium and disturbance of a formed image by suppressing dew condensation occurring at heat receiving part of a cooling device.SOLUTION: An image forming apparatus comprises a fixing device 4 which fixes a toner image formed on a recording medium to the recording medium by heating it and a cooling device 5 which cools the recording medium after passing through the fixing device 4. The cooling device 5 comprises a heat receiving part 22 which receives heat and a heat radiating part 23 which radiates heat. Cooling liquid circulates in the heat receiving part 22 and the heat radiating part 23 to cool the recording medium. The heat receiving part 22 is disposed below a recording medium discharge port 17b of the fixing device 4. A duct 33 having an external opening 32 which is open to the outside of an image forming apparatus body 100 is disposed in the apparatus body 100. An internal opening 34 of the duct 33 is opened at a position above a recording medium conveying part 35 between the heat receiving part 22 and the discharge port 17b.
摘要翻译：要解决的问题：提供一种图像形成装置，其可以通过抑制在冷却装置的受热部分发生的结露来有效地防止记录介质的污染和形成的图像的干扰。解决方案：图像形成装置包括定影装置4，其通过加热将形成在记录介质上的调色剂图像定影到记录介质上;以及冷却装置5，其在通过定影装置4之后冷却记录介质。冷却装置5包括接收热量的受热部分22和散热的散热部分23。冷却液在受热部22和散热部23中循环，冷却记录介质。受热部22设置在定影装置4的记录介质排出口17b的下方。具有向图像形成装置主体100的外部开放的外部开口32的管道33设置在装置本体100中。导管33的内部开口34在受热部22和排出口17b之间的记录介质输送部35上方的位置开口。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012226046A Cooling device and image forming apparatus 有权
标题翻译：冷却装置和图像形成装置
公开(公告)号：JP2012226046A
公开(公告)日：2012-11-15
申请号：JP2011092039
申请日：2011-04-18
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： FUJITANI HIROMITSU , OKANO SATORU , SAITO MASANORI , HIRASAWA TOMOYASU , IKEDA KEISUKE , TAKEHARA KENICHI
IPC分类号： G03G21/16 , G03G21/20
CPC分类号： G03G21/206 , F28B9/08
摘要： PROBLEM TO BE SOLVED: To provide a cooling device suitable for cooling a part to be cooled which is detachable to an image forming apparatus.SOLUTION: A cooling device comprises: a heat receiving part 31 which is arranged in such a manner that it can be brought into contact with or separated from a part to be cooled which is detachable to an image forming apparatus; a heat radiating part for radiating heat of cooling liquid; a circulation path for circulating the cooling liquid between the heat receiving part and the heat radiating part; and a pump for transferring the cooling liquid inside the circulation path. In the pipeline 37 constituting the circulation path, a part 40 arranged at the side of heat receiving part 31 consists of a flexible member and other parts consist of metal member.
摘要翻译：要解决的问题：提供一种适于冷却可分解成图像形成装置的待冷却部件的冷却装置。解决方案：冷却装置包括：受热部分31，其被布置成使其能够与能够与图像形成装置分离的被冷却部分接触或分离; 用于散热的散热部件; 用于使冷却液体在所述受热部和所述散热部之间循环的循环路径; 以及用于将冷却液输送到循环路径内的泵。在构成循环路径的管路37中，配置在受热部31一侧的部分40由柔性部件和由金属部件构成的其他部分构成。版权所有（C）2013，JPO＆INPIT

9. 发明专利

JP2012145742A Image formation apparatus 有权
标题翻译：图像形成装置
公开(公告)号：JP2012145742A
公开(公告)日：2012-08-02
申请号：JP2011003757
申请日：2011-01-12
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： HIRASAWA TOMOYASU , TAKEHARA KENICHI , IIJIMA YASUAKI , FUJITANI HIROMITSU , YUASA KEISUKE , OKANO SATORU , SAITO MASANORI , IKEDA KEISUKE
IPC分类号： G03G21/20 , G03G21/00 , H05K7/20
摘要： PROBLEM TO BE SOLVED: To provide an image formation apparatus having a cooling device of a liquid cooling system capable of making the image formation apparatus continue its operation while preventing liquid spill with low probability of causing a serious failure from leading to the serious failure.SOLUTION: Below the connection spot by each rubber tube 410, a slanted leakage tray 420 made of resin is disposed. A liquid amount detection sensor 421 is fixed on the lowermost surface. A water level sensor 310 is provided in a reserve tank 3. A reduced fluid volume (L1) by the water level sensor 310 and a total leakage fluid volume (L2), which is the total amount of the leakage fluid volume by the water level sensor 310 provided in each leakage tray 420 in a cooling device 10 are detected. Based on the above, presence or absence of occurrence of liquid leakage and seriousness of failure when the fluid leakage occurred are determined.
摘要翻译：要解决的问题：提供一种图像形成装置，其具有能够使图像形成装置继续其操作的液体冷却系统的冷却装置，同时防止液体溢出的可能性低，导致严重故障导致严重的失败。
解决方案：在每个橡胶管410的连接点下方，设置由树脂制成的倾斜泄漏托盘420。液量检测传感器421固定在最下面。水位传感器310设置在储备罐3中。由水位传感器310减少的流体体积（L1）和总泄漏流体体积（L2），其是泄漏流体体积的水位总量检测设置在冷却装置10中的每个泄漏托盘420中的传感器310。基于上述，确定发生流体泄漏时是否存在液体泄漏和严重性故障。版权所有（C）2012，JPO＆INPIT

10. 发明专利

JP2010128475A Fixing device and image forming apparatus 审中-公开
标题翻译：固定装置和图像形成装置
公开(公告)号：JP2010128475A
公开(公告)日：2010-06-10
申请号：JP2008306645
申请日：2008-12-01
申请人： Ricoh Co Ltd , 株式会社リコー
发明人： SUGAWARA TOMOAKI , KATANO YASUO , ARISUMI YUKO , NAKAMURA TAKUMA , HIRASAWA TOMOYASU , KUROTORI TSUNEO
IPC分类号： G03G15/20
摘要： PROBLEM TO BE SOLVED: To provide a fixing device which is capable of quickly detecting and controlling a bulk density and a bubble diameter of a foaming fixing liquid, and an image forming apparatus including the fixing device. SOLUTION: The fixing device 100A includes: a foaming unit 110 which foams a fixing liquid L which softens an unfixed toner image T by dissolving or swelling a resin; a first detection means which detects a characteristic value corresponding to the bulk density of a foaming fixing liquid L'; a second detection means which detects a characteristic value corresponding to the bubble diameter of the foaming fixing liquid L'; a control means which controls a condition so that characteristic values detected by the first detection means and the second detection means are within prescribed ranges; an applying roller 120A which gives the unfixed toner image T the foaming fixing liquid L' of which the characteristic values detected by the first detection means and the second detection means are within the prescribed ranges; and the applying roller 120A and a pressure roller 140A which fix the unfixed toner image T, to which the foaming fixing liquid L' has been given, on a recording paper P. COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够快速检测和控制发泡定影液的体积密度和气泡直径的定影装置，以及包括该定影装置的图像形成装置。定影装置100A包括：发泡单元110，其通过溶解或溶胀树脂而使未定影的调色剂图像T软化的定影液L; 第一检测装置，其检测与发泡定影液体L'的体积密度对应的特征值; 第二检测装置，其检测与发泡定影液体L'的气泡直径相对应的特征值; 控制装置，其控制条件使得由第一检测装置和第二检测装置检测的特征值在规定范围内; 给予未定影调色剂图像T的施加辊120A，由第一检测装置和第二检测装置检测的特征值的发泡定影液体L'在规定范围内; 以及施加辊120A和将未发泡定影液体L'已经被赋予的未定影调色剂图像T固定在记录纸P上的加压辊140A。版权所有（C）2010，JPO＆INPIT

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