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1. 发明专利

JP2011012303A Apparatus for gas-cooling workpiece and gas cooling method 有权
标题翻译：用于气体冷却工作和气体冷却方法的装置
公开(公告)号：JP2011012303A
公开(公告)日：2011-01-20
申请号：JP2009156919
申请日：2009-07-01
申请人： Dowa Thermotech Kk , Dowaサーモテック株式会社 , Toyota Motor Corp , トヨタ自動車株式会社
发明人： YOKOMOTO SHOHEI , ABUKAWA FUMITAKA , ABE KOJI
IPC分类号： C21D1/18 , C21D1/767 , C21D1/773 , F27D9/00
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for gas-cooling a workpiece, which brings a uniform cooling gas into contact with an upper face, a side face and a lower face of the workpiece to quench (cool) the workpiece with extremely high accuracy and uniformity when quenching the workpiece, and to provide a gas-cooling method.SOLUTION: The gas-cooling apparatus includes: a closed decompression vessel for storing the workpiece therein; a vacuum pump for evacuating the inside of the closed decompression vessel; and a cooling-gas supply source for supplying the cooling gas into the closed decompression vessel. The closed decompression vessel is structured by a top cover, a bottom plate, an outer cylinder and an inner cylinder, and includes: a cooling-fluid passage which is provided between the outer cylinder and the inner cylinder, and passes a cooling medium therethrough; a support which is provided at the center of the inner cylinder and holds the workpiece; a middle cylinder arranged between the inner cylinder and the support; cooling-gas passages formed between the middle cylinder and the inner cylinder, and between the top cover and the bottom plate respectively; a straightening mechanism which is provided between the middle cylinder and the support and straightens the cooling gas toward the side face of the workpiece; a circulating fan arranged at the top center part of the middle cylinder; and a motor for driving the circulating fan.
摘要翻译：要解决的问题：为了提供一种使工件气体冷却的装置，其使均匀的冷却气体与工件的上表面，侧面和下表面接触，以极高的精度骤冷（冷却）工件对工件进行淬火时的均匀性，并提供气体冷却方法。气体冷却装置包括：封闭的减压容器，用于将工件存放在其中; 用于抽空封闭减压容器内部的真空泵; 以及用于将冷却气体供给到封闭减压容器内的冷却气体供给源。封闭的减压容器由顶盖，底板，外筒和内筒构成，包括：冷却流体通道，设置在外筒与内筒之间，通过冷却介质; 支撑件设置在内筒的中心并保持工件; 设置在所述内筒和所述支撑体之间的中筒; 分别形成在中筒和内筒之间以及顶盖和底板之间的冷却气体通道; 一个矫直机构，设置在中间气缸和支撑件之间，并将冷却气体朝着工件的侧面拉直; 设置在中筒的顶部中央部的循环风扇; 以及用于驱动循环风扇的电动机。

2. 发明专利

JP2011012294A Heat treatment apparatus, heat treatment facility, and heat treatment method 有权
标题翻译：热处理设备，热处理设备和热处理方法
公开(公告)号：JP2011012294A
公开(公告)日：2011-01-20
申请号：JP2009155634
申请日：2009-06-30
申请人： Dowa Thermotech Kk , Dowaサーモテック株式会社
发明人： ABE KOJI , ABUKAWA FUMITAKA
IPC分类号： C21D1/34 , C21D1/00 , C21D1/767 , F27D7/04
摘要： PROBLEM TO BE SOLVED: To provide a heat treatment apparatus which prevents discharge of heat from the inside of the treating apparatus as far as possible and has high energy efficiency, in which the atmosphere in the apparatus is made uniform with high precision, and which has good space efficiency, to provide a heat treatment method, and further, to provide a heat treatment facility provided with the heat treatment apparatus.SOLUTION: The heat treatment apparatus for carrying out the heat treatment on a workpiece, is provided with; a casing provided with heat-insulating material; workpiece storage shelves arranged in the inside of the casing and having a plurality of storage stages; a drawing type tray installed on each storage stage of the workpiece storage shelf; a heater for heating gas in the inside of the casing; and a circulating fan for circulating the gas in the inside of the casing.
摘要翻译：要解决的问题：提供一种尽可能防止从处理装置内部排出热量并且具有高能量效率的热处理装置，其中装置中的气氛以高精度均匀化，并且具有良好的空间效率，提供热处理方法，并且还提供设置有热处理装置的热处理设备。解决方案：用于对工件进行热处理的热处理设备设置有：具有绝热材料的壳体; 工件储存架布置在壳体的内部并具有多个储存阶段; 安装在工件储存架的每个储存台上的拉丝式托盘; 用于加热壳体内部的气体的加热器; 以及用于使气体在壳体内部循环的循环风扇。

3. 发明专利

JP2008208420A Heat treatment method and heat treatment apparatus 有权
标题翻译：热处理方法和热处理装置
公开(公告)号：JP2008208420A
公开(公告)日：2008-09-11
申请号：JP2007046176
申请日：2007-02-26
申请人： Dowa Thermotech Kk , Dowaサーモテック株式会社
发明人： SAKURAI TAKASHI , SUZUKI HIROYOSHI , ABE KOJI , TSUGE TAKAKI , HORIUCHI KOJI
IPC分类号： C21D1/18 , C21D1/00 , C21D1/06 , C21D1/63
摘要： PROBLEM TO BE SOLVED: To suppress outdoor air from flowing into an oil tank chamber with respect to a heat treatment method and a heat treatment apparatus for heat-treatment a material to be treated, such as a steel material.
SOLUTION: After the material 2 to be treated is treated under high temperature state in a heat treatment chamber 14, a carry-in/out port 25 provided between the heat treatment chamber 14 and the oil tank chamber 102 is opened, and the material 2 is taken out and moved from the heat treatment chamber 14 to the oil tank chamber 102 through the carry-in/out port 25. Then, the material 2 is dipped into an oil tank 103 in the oil tank chamber 102 to be oil-cooled, and the material 2 is taken out from the oil tank 103. Thereafter, an oil tank chamber carry-out port 111 is opened, and the material 2 is carried out from the oil tank chamber 102 through the oil tank chamber carry-out port 111. In this process, when the carry in/out port is opened, when the material 2 is dipped into the oil vessel 103 and when the oil vessel carry-out port 111 is opened/closed, inert gas is supplied to the oil tank chamber.
COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了抑制室外空气相对于热处理方法流入油箱室，以及用于对诸如钢材的待处理材料进行热处理的热处理设备。解决方案：在热处理室14中待处理的材料2在高温状态下处理之后，设置在热处理室14和油箱室102之间的进/出口25打开，材料2通过输入/输出端口25从热处理室14移出到油箱室102.然后，将材料2浸入油箱室102中的油箱103中油冷却，从油箱103取出材料2.然后，将油箱室搬出口111打开，将原料2从油箱室102通过油箱搬运在该过程中，当进/出口打开时，当材料2浸入油罐103中，并且当油箱进出口111打开/关闭时，向其供应惰性气体油箱室。版权所有（C）2008，JPO＆INPIT

4. 发明专利

JP2012092423A Method of gas carburizing 有权
标题翻译：气体加热方法
公开(公告)号：JP2012092423A
公开(公告)日：2012-05-17
申请号：JP2011067509
申请日：2011-03-25
申请人： Dowa Thermotech Kk , Dowaサーモテック株式会社
发明人： FUJITA TAKAHIRO , ABE KOJI , ABUKAWA FUMITAKA , YAMADA TSUNETAKA , OHASHI TOSHIAKI , KANAYAMA MASAO , HORIUCHI KOJI , TORASAWA EIJU , NAGAISHI AKIHIRO
IPC分类号： C23C8/22
摘要： PROBLEM TO BE SOLVED: To provide a method of gas carburizing capable of suppressing generations of sooting or an abnormal structure and also reducing the time for carburizing.SOLUTION: Carburizing is performed using carburizing atmospheric gas in a temperature region where cementite is not precipitated on a surface of a treated article, the carburizing atmospheric gas having a composition equivalent to a composition including COreduced from converted gas produced using hydrocarbon gas and air and having a carbon potential exceeding an amount of γ phase saturated carbon in a phase equilibrium diagram of a steel at carburizing treatment temperature.
摘要翻译：要解决的问题：提供能够抑制几代烟炱或异常结构并且还减少渗碳时间的气体渗碳方法。解决方案：渗碳是在渗碳体未沉淀的处理物品的表面上的渗碳气氛气体中进行的，渗碳气氛气体的组成等于包括CO 在碳化氢处理温度下的钢的相平衡图中，使用碳氢化合物气体和空气产生的碳氢化合物的碳浓度超过γ相饱和碳量的转化气体中的2 。版权所有（C）2012，JPO＆INPIT

5. 发明专利

JP2013181222A Apparatus for gas-cooling workpiece 有权
标题翻译：气体冷却工具的设备
公开(公告)号：JP2013181222A
公开(公告)日：2013-09-12
申请号：JP2012046349
申请日：2012-03-02
申请人： Dowa Thermotech Kk , Dowaサーモテック株式会社
发明人： FUJITA TAKAHIRO , ABE KOJI
IPC分类号： C21D1/18 , C21D1/00 , C21D1/767 , C21D1/773 , F27D9/00
摘要： PROBLEM TO BE SOLVED: To provide an apparatus for gas-cooling a workpiece, which can uniformly bring a cooling gas having high cooling capacity into contact with an upper face, a side face and a lower face of the workpiece to quench (cool) the workpiece with better cooling efficiency than before when quenching the workpiece.SOLUTION: A gas-cooling apparatus includes: a closed vessel for storing a workpiece therein; a vacuum pump for evacuating the inside of the closed vessel; and a cooling-gas supply source for supplying a cooling gas into the closed vessel. The closed vessel is structured by a top cover, a bottom plate, and an outer cylinder, and includes: a support which is provided at the center of the outer cylinder and supports the workpiece; a middle cylinder arranged between the outer cylinder and the support; cooling-gas passages formed between the middle cylinder and the outer cylinder, and between the top cover and the bottom plate respectively; a circulating fan arranged at the top of the middle cylinder; an annular wall arranged in the middle cylinder; and an internal duct arranged above the support in the middle cylinder. A cooling mechanism is provided in the internal duct.
摘要翻译：要解决的问题：提供一种用于对工件进行气体冷却的装置，其能够将具有高冷却能力的冷却气体均匀地与工件的上表面，侧面和下表面接触，以使工件淬火（冷却）工件在冷却工件时具有比以前更好的冷却效率。解决方案：一种气体冷却装置，包括：用于在其中存储工件的密闭容器; 用于抽空密闭容器内部的真空泵; 以及用于将冷却气体供给到密闭容器中的冷却气体供给源。密封容器由顶盖，底板和外筒构成，包括：支撑件，设置在外筒的中心并支撑工件; 布置在外筒和支撑件之间的中筒; 分别形成在中筒和外筒之间以及顶盖和底板之间的冷却气通道; 循环风扇布置在中筒的顶部; 环形壁布置在中间圆筒中; 以及设置在中间气缸的支撑件上方的内部导管。在内部管道中设置冷却机构。

6. 发明专利

JP2008209060A Heat treatment furnace 有权
标题翻译：热处理炉
公开(公告)号：JP2008209060A
公开(公告)日：2008-09-11
申请号：JP2007046169
申请日：2007-02-26
申请人： Dowa Thermotech Kk , Dowaサーモテック株式会社
发明人： SAKURAI TAKASHI , ABE KOJI , HORIUCHI KOJI
IPC分类号： F27D1/18 , C21D1/06 , C21D1/76 , C23C8/20 , F27B9/02 , F27B9/04 , F27B9/30 , F27B9/34
摘要： PROBLEM TO BE SOLVED: To sufficiently close a treated object passing port formed between heat treatment chambers in a furnace body of a heat treatment furnace. SOLUTION: A wall body 31 is disposed inside of the furnace body 5 of this heat treatment furnace 3, and the passing port 41 through which the treated object 2 is passed, is formed on the wall body 31. Further an opening and closing door 51 is disposed to open and close the passing port 41. The opening and closing door 51 comprises a door main body 91, and an ear portion 93 disposed at an outer side of the door main body 91, and made of a material substantially hardly deformed in comparison with the wall body 31. When the passing port 41 is closed by the opening and closing door 51, the ear portion 93 is brought into contact with the wall body 31. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：要解决的问题：为了充分地闭合在热处理炉的炉体中形成的处理对象通过口。解决方案：壁体31设置在该热处理炉3的炉体5的内部，被处理体2通过的通过口41形成在壁体31上。另外，开关门51设置成打开和关闭通过口41.开闭门51包括门主体91和设置在门主体91的外侧的耳部93，并且基本上由材料与壁体31相比几乎不变形。当通过口41被打开和关闭门51关闭时，耳部93与壁体31接触。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2012207240A Gas-quenching method 有权
标题翻译：气体检测方法
公开(公告)号：JP2012207240A
公开(公告)日：2012-10-25
申请号：JP2011071425
申请日：2011-03-29
申请人： Dowa Thermotech Kk , Dowaサーモテック株式会社
发明人： ABUKAWA FUMITAKA , ABE KOJI , TORASAWA EIJU
IPC分类号： C21D1/18 , C21D1/767 , C21D1/773
摘要： PROBLEM TO BE SOLVED: To provide a gas-quenching method with which a quenched product having high hardness on the surface and excellent toughness in the inner part (core part) can be obtained.SOLUTION: The gas-quenching method is provided with a first cooling step, in which the core part of a work (quenching product) is gas-cooled at a first cooling speed from the quenched temperature to a first temperature zone of the higher temperature than Ms point of the core part in the work, and thereafter, a second cooling step, in which the work is gas-cooled with a second cooling speed of smaller speed than the first cooling speed, in the lower temperature zone than the first temperature zone. Then, the first cooling speed and the second cooling speed are controlled so that the surface of the work after quenching may become a martensitic structure, and the effective hardened layer depth in the work may be larger than the depth in the case of gas-cooling the work with the second cooling speed from the quenched temperature to the room temperature, and may become the same or smaller in the case of cooling the work with the first cooling speed from the quenched temperature to the room temperature and further, the hardness of the core part in the work may become the same grade as in the case of gas-cooling the work with the second cooling speed from the quenched temperature to the room temperature.
摘要翻译：要解决的问题：提供一种气体淬火方法，可以获得表面硬度高的淬火产品，并且可以获得内部（核心部分）的优异的韧性。解决方案：气体淬火方法具有第一冷却步骤，其中工件的核心部分（淬火产物）以第一冷却速度从淬火温度到第一冷却速度被冷却比工件中的芯部的Ms点温度高，之后，在比第一冷却速度小的第二冷却速度比第一冷却速度小的第二冷却速度的第二冷却步骤中，第一温区。然后，控制第一冷却速度和第二冷却速度，使得淬火后的工件的表面可能变成马氏体结构，并且工件中有效的硬化层深度可能大于气体冷却的深度第二冷却速度从淬火温度到室温的工作，并且在第一冷却速度从骤冷温度到室温的冷却工作的情况下可以变得相同或更小，此外，工作中的核心部分可能会变得与第二冷却速度从骤冷温度到室温的工作气体冷却的情况相同。版权所有（C）2013，JPO＆INPIT

8. 发明专利

JP2012092424A Method and device of gas carburizing 有权
标题翻译：气体加样的方法和装置
公开(公告)号：JP2012092424A
公开(公告)日：2012-05-17
申请号：JP2011067639
申请日：2011-03-25
申请人： Dowa Thermotech Kk , Dowaサーモテック株式会社
发明人： FUJITA TAKAHIRO , ABE KOJI , ABUKAWA FUMITAKA , YAMADA TSUNETAKA , OHASHI TOSHIAKI , KANAYAMA MASAO , HORIUCHI KOJI , TORASAWA EIJU , NAGAISHI AKIHIRO
IPC分类号： C23C8/20 , C21D1/06 , C21D1/76
摘要： PROBLEM TO BE SOLVED: To provide a method for gas carburizing, capable of performing heat treatment in a stable atmosphere and also reducing equipment cost.SOLUTION: Converted gas is produced using hydrocarbon gas, air and a catalyst, and low-COconverted gas which has a carbon potential higher than that of the converted gas and is reduced in COconcentration is produced. One of the converted gas, the low-COconverted gas and a gaseous mixture of the converted gas and the low-COconverted gas is used as atmospheric gas in a series of heat treatment processes for carburizing.
摘要翻译：要解决的问题：提供一种能够在稳定的气氛中进行热处理并降低设备成本的气体渗碳方法。解决方案：使用碳氢化合物气体，空气和催化剂以及具有比转化气体的碳势高的CO转化气体的低CO 2 转化气体产生转化气体，减少了CO 2 浓度。一个转化气体，低CO 2 转化气体和转化气体与低CO 2

9. 发明专利

JP2011058936A Magnetic resolver 有权
标题翻译：磁力解析器
公开(公告)号：JP2011058936A
公开(公告)日：2011-03-24
申请号：JP2009208416
申请日：2009-09-09
申请人： Matsuo Seisakusho:Kk , Minebea Co Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , ミネベア株式会社 , 株式会社松尾製作所
发明人： GOTO KAZUHIRO , YAMADA EIJI , KIMURA TOSHIHIRO , KANFU YUJI , YAMAKAWA YUKI , MATSUURA MUTSUMI , SANO TAKASHI , ABE KOJI
IPC分类号： G01D5/245
CPC分类号： G01D5/145 , G01D5/2013
摘要： PROBLEM TO BE SOLVED: To provide a magnetic resolver which can improve a transformation ratio. SOLUTION: The magnetic resolver 1 includes a stator core 10 made of a magnetic material, a coil 30, and a rotor 50. The stator core 10 includes a base plate part 11, and a projection part 12 formed integrally with the base plate part 11 protrusively to the thickness direction with respect to a surface 11a. The coil 30 is provided on a periphery of the projection part 12. The rotor 50 is arranged oppositely to the surface of the base plate part 11 with the coil 30 interposed therebetween. The area of the rotor 50 overlapping on the projection part 12 is changed corresponding to a change of a relative rotation angle of the rotor 50 to the stator core 10. In the stator core 12, a through-hole 18 penetrating the base plate part 11 and the projection part 12 in the thickness direction is formed. COPYRIGHT: (C)2011,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够提高变形率的磁解决方案。解决方案：磁解算器1包括由磁性材料制成的定子芯10，线圈30和转子50.定子芯10包括基板部分11和与基部一体形成的突出部分12 板部11相对于表面11a突出到厚度方向。线圈30设置在突出部12的周围。转子50与基板部11的表面相对地配置有线圈30。与突起部12重叠的转子50的面积相应于转子50相对于定子铁芯10的相对旋转角度的变化而变化。在定子铁心12中，贯穿基板部11的通孔18 并且形成厚度方向上的突出部12。版权所有（C）2011，JPO＆INPIT

10. 发明专利

JP2006152417A Heat treatment method and heat treatment apparatus 有权
标题翻译：热处理方法和热处理装置
公开(公告)号：JP2006152417A
公开(公告)日：2006-06-15
申请号：JP2004348488
申请日：2004-12-01
申请人： Dowa Mining Co Ltd , Toyota Motor Corp , トヨタ自動車株式会社 , 同和鉱業株式会社
发明人： SUZUKI HIROYOSHI , TAKEMOTO SHINICHI , ABE KOJI , OHASHI TOSHIAKI , SAKURAI TAKASHI , NISHIYAMA TOMOHIKO
IPC分类号： C23C8/22 , C21D1/06 , C21D1/76 , F27B9/04 , F27D7/06
摘要： PROBLEM TO BE SOLVED: To provide a heat treatment method for stably returning CP to a target value even if the CP has greatly decreased, and to provide a heat treatment apparatus therefor.
SOLUTION: The heat treatment method for supplying an enriched gas into a furnace 3 and heat-treating an article 2 to be treated in the furnace 3 by feedback-controlling carbon potential by controlling a flow rate of the supplied enriched gas on the basis of the carbon potential in the furnace 3 comprises steps for: stopping the feedback control and keeping the flow rate of the supplied enriched gas immediately before stopping the feedback control while openings 31 and 33 of the furnace 3 are opened, and in the period after the openings 31 and 33 of the furnace have been closed and before the carbon potential in the furnace 3 reaches a target value; and feedback-controlling the carbon potential after the carbon potential in the furnace 3 has reached the target value after the openings 31 and 33 of the furnace 3 have been closed.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：待解决的问题：即使CP大大降低，也提供一种用于将CP稳定地返回到目标值的热处理方法，并提供一种热处理装置。解决方案：将富集气体供应到炉3中并通过反馈控制碳势来对在炉3中待处理的物品2进行热处理的热处理方法，通过控制供应的富氧气体在炉3中的碳势的基础包括以下步骤：在炉3的开口31和33打开之前，停止反馈控制并保持所供应的富集气体的流量在停止反馈控制之前，并且在后期炉的开口31和33已经关闭，并且在炉3中的碳势达到目标值之前; 并且在炉3的开口31和33已经关闭之后，在炉3中的碳电势已经达到目标值之后反馈控制碳势。版权所有（C）2006，JPO＆NCIPI

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