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1. 发明专利

JP2013133775A Reducing agent aqueous solution mixing device and exhaust gas post-treatment device 有权
标题翻译：还原剂水溶液混合装置和排气后处理装置
公开(公告)号：JP2013133775A
公开(公告)日：2013-07-08
申请号：JP2011285451
申请日：2011-12-27
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： IIJIMA TADASHI , KIZAWA HIROSHI , ITO BOKU , TSUJIMURA SHINJI , KATO TAKASHI , ORITA TETSUO , NAMIMATSU HIROTO , HARA KAZUO , TOMIOKA HIROYUKI
IPC分类号： F01N3/24 , B01D53/94 , F01N3/08 , F01N3/28
CPC分类号： F01N3/2892 , F01N3/035 , F01N3/2066 , F01N3/24 , F01N13/08 , F01N2240/20 , F01N2470/02 , F01N2610/02 , F01N2610/1453 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To efficiently guide a urea aqueous solution to an inner pipe in a urea aqueous solution mixing device using an injector for directly jetting only the urea aqueous solution into an exhaust pipe.SOLUTION: This device includes the exhaust pipe 4B, the injector 5, an inner pipe 7, and a mixing pipe 6. The exhaust pipe 4B comprises an elbow portion 10 which has a curved portion, and a straight portion 11 which is provided on the downstream side of the elbow portion 10. The injector 5, which is provided outside the curved portion of the elbow portion 10, jets only the urea aqueous solution into the elbow portion 10 toward the straight portion 11. The inner pipe 7 is arranged on the exhaust flow downstream side of the injector 5 in the exhaust pipe 4 in such a manner that an inlet portion opening faces the injector 5 and that a space is provided between an outer peripheral surface and an inner wall of the straight portion 11, and exhaust gas can be circulated through the inside and the outer peripheral portion. The mixing pipe 6 guides the urea aqueous solution, which is jetted from the injector 5, to the inner pipe 7.
摘要翻译：要解决的问题：为了在尿素水溶液混合装置中有效地将尿素水溶液引导到使用喷射器的尿素水溶液直接喷射到排气管中。溶液：该装置包括排气管4B，喷射器5，内管7和混合管6.排气管4B包括具有弯曲部分的弯头部分10和设置在肘部10的下游侧的直线部分11.喷射器5 设置在弯头部10的弯曲部的外侧，仅将尿素水溶液喷射到弯头部10而朝向直线部11。内管7配置在排气口的喷射器5的排气下游侧管道4以使得入口部分开口面向喷射器5并且在直线部分11的外周表面和内壁之间设置空间，并且废气可以循环通过 e和外周部分。混合管6将从喷射器5喷出的尿素水溶液引导到内管7。

2. 发明专利

JP2013133773A Reducing agent aqueous solution mixing device and exhaust gas post-treatment device 有权
标题翻译：还原剂水溶液混合装置和排气后处理装置
公开(公告)号：JP2013133773A
公开(公告)日：2013-07-08
申请号：JP2011285449
申请日：2011-12-27
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： IIJIMA TADASHI , KIZAWA HIROSHI , ITO BOKU , TSUJIMURA SHINJI , KATO TAKASHI , ORITA TETSUO , NAMIMATSU HIROTO , HARA KAZUO , TOMIOKA HIROYUKI
IPC分类号： F01N3/24 , B01D53/94 , F01N3/08 , F01N3/28
CPC分类号： F01N3/2066 , B01D53/90 , B01D53/9409 , B01D2251/2067 , F01N3/2892 , F01N2240/20 , F01N2470/02 , F01N2610/02 , F01N2610/1453 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To provide a urea aqueous solution mixing device in which flow path resistance in an exhaust pipe is reduced by restraining a urea aqueous solution from adhering to an inner wall of the exhaust pipe.SOLUTION: The urea aqueous solution mixing device includes the exhaust pipe 4B, an injector 5, a mixing pipe 6, an inner pipe 7, and a circulation portion 20. The exhaust pipe 4B comprises an elbow portion 10 having a curved portion, and a straight portion 11. The injector 5, which is provided in the elbow portion 10, emits a jet of urea aqueous solution. The mixing pipe 6 comprises an outlet portion which is arranged in such a manner as to cover the periphery of the urea aqueous solution jetted from the injector 5 and which is formed with a space between itself and the inner wall of the exhaust pipe 4B, and a plurality of openings 6a which are formed on an outer peripheral surface. The inner pipe 7, which is arranged in the straight portion 11 of the exhaust pipe 4B, enables exhaust gas to be circulated through its inside and outer peripheral portion. The circulation portion 20, which is formed between the outlet portion of the mixing pipe 6 and the inner wall of the exhaust pipe 4B, guides the exhaust gas to the inner pipe 7.
摘要翻译：要解决的问题：提供一种尿素水溶液混合装置，其中通过抑制尿素水溶液粘附到排气管的内壁来降低排气管中的流路阻力。溶液：尿素水溶液混合装置包括排气管4B，喷射器5，混合管6，内管7和循环部20.排气管4B包括具有弯曲部分的弯头部分10和直线部分11.喷射器5 设置在肘部10中，发射尿素水溶液的射流。混合管6包括出口部分，其布置成覆盖从喷射器5喷射的尿素水溶液的周边，并且在其自身与排气管4B的内壁之间形成有空间，以及形成在外周面上的多个开口部6a。布置在排气管4B的直线部分11中的内管7能够使废气通过其内周和外周部分循环。形成在混合管6的出口部与排气管4B的内壁之间的循环部20将废气引导到内管7。

3. 发明专利

JP2012215022A Engine unit 审中-公开
标题翻译：发动机单元
公开(公告)号：JP2012215022A
公开(公告)日：2012-11-08
申请号：JP2011081054
申请日：2011-03-31
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： OKUDA KOZO , IIJIMA TADASHI , OZAWA GODO
IPC分类号： E02F9/00 , B01D53/94 , F01N3/24 , F01N3/28
CPC分类号： Y02A50/2322
摘要： PROBLEM TO BE SOLVED: To provide an engine unit which allows easy execution of maintenance and improvement of durability of a device.SOLUTION: The engine unit attached to a vehicle body frame comprises: an engine; an engine support mechanism connected to the vehicle body frame through a vibration-proof mechanism, for supporting the engine; a hydraulic pump connected to the engine and driven by the engine; an aftertreatment device arranged on a vertical direction upper side of the hydraulic pump, for purifying an exhaust gas discharged from the engine; and a mount mechanism for supporting the aftertreatment device. The mount mechanism includes; a base part bracket connected to a member vibrated integrally with the engine; and an upper part bracket detachably fixed to the base part bracket, for supporting the aftertreatment device.
摘要翻译：要解决的问题：提供一种容易执行维护和提高装置的耐久性的发动机单元。
解决方案：附接到车身框架的发动机单元包括：发动机; 发动机支撑机构，其通过防振机构连接到车身框架，用于支撑发动机; 连接到发动机并由发动机驱动的液压泵; 后置处理装置，其布置在所述液压泵的垂直方向上侧，用于净化从所述发动机排出的废气; 以及用于支撑后处理装置的安装机构。安装机构包括：连接到与发动机一体振动的构件的基座支架; 以及可拆卸地固定到所述基部支架的上部支架，用于支撑所述后处理装置。版权所有（C）2013，JPO＆INPIT

4. 发明专利

JP2010025123A Fuel direct-injection diesel engine 有权
标题翻译：燃油直喷柴油发动机
公开(公告)号：JP2010025123A
公开(公告)日：2010-02-04
申请号：JP2009251042
申请日：2009-10-30
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： IIJIMA TADASHI , ONO YUTAKA , TAKAHASHI MASAKI
IPC分类号： F02B23/06 , F02B3/00 , F02B3/06 , F02B3/08 , F02B15/00 , F02B23/08 , F02D41/04 , F02D41/40 , F02F3/26
CPC分类号： F02B23/0693 , F02B3/06 , F02B23/0651 , F02B23/0669 , F02B23/0672 , F02B23/0696 , F02B2275/14 , F02F3/26 , Y02T10/123 , Y02T10/125
摘要： PROBLEM TO BE SOLVED: To provide a fuel direct-injection diesel engine capable of suppressing the generation of NOx and reducing PMs, smoke and a fuel consumption rate.
SOLUTION: A combustion chamber 20 opening toward a cylinder head 5 is provided on a top surface 11 of a piston 10, and the chamber 20 is composed of a first volume 22 having an inclined surface 21 and a second volume 23 further recessed from the first volume 22 toward a pin boss 13. A uel spray F from a fuel injection nozzle 9 is injected toward an inner peripheral wall 24 of the second volume 23 in a former stage of fuel injection and toward the inclined surface 21 of the first volume 22 in a later stage of fuel injection. When an engine speed is medium or higher and a load is medium, a fuel injection period in the former stage of fuel injection is set to 40-65% of the total fuel injection period, and when the engine speed is medium or higher and the load is high, the fuel injection period is set to a range from 50% to 70% of the total fuel injection period.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：提供一种能够抑制NOx的产生和减少PM，烟雾和燃料消耗率的燃料直喷式柴油发动机。解决方案：朝向气缸盖5开口的燃烧室20设置在活塞10的顶表面11上，并且室20由具有倾斜表面21的第一容积22和进一步凹入的第二容积23构成从第一容积22朝向销凸台13.来自燃料喷射喷嘴9的燃料喷雾F在燃料喷射的前一阶段朝向第二容积23的内周壁24注入并朝向第一容积22的倾斜表面21 在后期燃料喷射阶段的第22卷。当发动机转速为中等以上且负载为中等时，燃料喷射前期的燃料喷射期间设定为总燃料喷射期间的40〜65％，当发动机转速为中等以上时负载高，燃料喷射期间设定在总燃料喷射期间的50％〜70％的范围内。版权所有（C）2010，JPO＆INPIT

5. 发明专利

JP2009121576A Hydraulic servo drive device and valve device using the same 审中-公开
标题翻译：液压伺服驱动装置和使用该装置的阀装置
公开(公告)号：JP2009121576A
公开(公告)日：2009-06-04
申请号：JP2007295535
申请日：2007-11-14
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： MORIYAMA HIDEYUKI , IIJIMA TADASHI , OKUBO YASUO , KOZUKA DAISUKE , HORI HIDEJI
IPC分类号： F15B9/09 , F02M25/07 , F16K31/124 , F16K37/00
CPC分类号： Y02T10/121
摘要： PROBLEM TO BE SOLVED: To provide a hydraulic servo drive device capable of surely detecting abnormality of a driven body such that a poppet valve is not returned from an opening side, and also to provide a valve device using the same.
SOLUTION: This EGR valve device 1 includes: a hydraulic servo drive device 4 having a pilot spool 22 sliding by a pilot pressure and a servo piston 16 sliding to follow the pilot spool 22 by a pump pressure; a poppet valve 3 driven by the hydraulic drive device 4; a stroke sensor 29 alternatively detecting a position of the servo piston 16 or the pilot spool 22 as a lift position of the poppet valve 3; a proportional control valve 31 supplying the pilot pressure; and a controller for controlling the proportional control valve 31 based on detection signals from the stroke sensor 29.
COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：解决的问题：提供一种液压伺服驱动装置，其能够可靠地检测从动体的异常，使得提升阀不从开口侧返回，并且还提供使用其的阀装置。解决方案：该EGR阀装置1包括：液压伺服驱动装置4，其具有由先导压力滑动的先导阀芯22和通过泵压力跟随先导阀芯22滑动的伺服活塞16; 由液压驱动装置4驱动的提升阀3; 行程传感器29交替地检测伺服活塞16或先导阀芯22的位置作为提升阀3的提升位置; 提供先导压力的比例控制阀31; 以及用于根据来自行程传感器29的检测信号来控制比例控制阀31的控制器。（C）版权所有（C）2009，JPO＆INPIT

6. 发明专利

JP2005188504A Fuel direct injection type diesel engine 有权
标题翻译：燃油直喷式柴油发动机
公开(公告)号：JP2005188504A
公开(公告)日：2005-07-14
申请号：JP2004278305
申请日：2004-09-24
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： ONO YUTAKA , IIJIMA TADASHI , TAKAHASHI MASAKI
IPC分类号： F02B23/06 , F02D41/40 , F02F3/26 , F02M51/00
CPC分类号： F02B23/0651 , F02B23/0693 , F02B23/0696 , Y02T10/125
摘要： PROBLEM TO BE SOLVED: To provide a fuel direct injection type diesel engine capable of restricting the generation of NOx and reducing PM, smoke and fuel consumption rate.
SOLUTION: A combustion chamber 20 opened on a cylinder head 5 side is provided in the top surface 11 of a piston 10, and the combustion chamber 20 is structured of a first capacity part 22 having an inclined surface 21 and a second capacity part 23 recessed from the first capacity part 22 toward a pin boss 13. In the first half time of fuel injection, spray F is injected from a fuel injection nozzle 9 toward an inner peripheral wall surface part 24 of the second capacity part 23, and in the second half time of fuel injection, spray F is injected to the inclined surface 21 of the first capacity part 22, and at that time, rate of fuel injection period of the first half time in relation to the whole period of fuel injection is set at 40-70 %.
COPYRIGHT: (C)2005,JPO&NCIPI
摘要翻译：要解决的问题：提供能够限制NOx的产生并降低PM，烟和燃料消耗率的燃料直喷式柴油发动机。解决方案：在活塞10的上表面11中设置有在气缸盖5侧开口的燃烧室20，燃烧室20由具有倾斜面21和第二容量的第一容量部22构成部分23从第一容量部分22凹入到销凸台13.在燃料喷射的前半段中，喷射F从燃料喷射喷嘴9喷射到第二容量部分23的内周壁表面部分24，并且在燃料喷射的后半期间，将喷雾F注入到第一容量部22的倾斜面21，此时，与燃料喷射的整个周期相比，上半场的燃料喷射时间的比率为设定在40-70％。版权所有（C）2005，JPO＆NCIPI

7. 发明专利

JP2014074339A Engine unit 有权
标题翻译：发动机单元
公开(公告)号：JP2014074339A
公开(公告)日：2014-04-24
申请号：JP2012220805
申请日：2012-10-02
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： OKUDA KOZO , IIJIMA TADASHI , OZAWA GODO , HARADA MUNEO , IKEDA NAOTO
IPC分类号： F01N3/28 , B60K5/12 , B60K13/04 , E02F9/00
CPC分类号： E02F9/0866 , B60K5/12 , B60K13/04 , F01N3/035 , F01N13/02 , F01N13/1805 , F01N2470/18 , F01N2470/22
摘要： PROBLEM TO BE SOLVED: To provide an engine unit capable of improving durability of a device.SOLUTION: An engine unit 20 which is installed on a vehicle body frame includes: an engine 22; an engine support mechanism which supports the engine by being connected to the vehicle body frame 3c through at least one vibration-proof mechanism arranged on each side of the engine in a direction perpendicular to a crank shaft of the engine; a post processing device which purifies exhaust gas exhausted from the engine; a base bracket which is installed on the engine support mechanism; and an upper bracket which is detachably fixed to the base bracket and supports the post processing device.
摘要翻译：要解决的问题：提供一种能够提高装置的耐久性的发动机单元。解决方案：安装在车身框架上的发动机单元20包括：发动机22; 发动机支撑机构，其通过在与发动机的曲轴垂直的方向上布置在发动机的每一侧的至少一个防振机构连接到车身框架3c来支撑发动机; 后处理装置，其净化从发动机排出的废气; 安装在发动机支撑机构上的基座支架; 以及可拆卸地固定到基座支架并支撑后处理装置的上支架。

8. 发明专利

JP2013133774A Reducing agent aqueous solution mixing device and exhaust gas post-treatment device 有权
标题翻译：还原剂水溶液混合装置和排气后处理装置
公开(公告)号：JP2013133774A
公开(公告)日：2013-07-08
申请号：JP2011285450
申请日：2011-12-27
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： IIJIMA TADASHI , KIZAWA HIROSHI , ITO BOKU , TSUJIMURA SHINJI , KATO TAKASHI , ORITA TETSUO , NAMIMATSU HIROTO , HARA KAZUO , TOMIOKA HIROYUKI
IPC分类号： F01N3/24 , B01D53/94 , F01N3/08 , F01N3/28
CPC分类号： F01N3/2882 , B01D53/90 , B01D53/9431 , B01D2251/2067 , B01F3/04049 , B01F5/0473 , B01F5/0485 , B01F5/0498 , B01F5/0659 , F01N3/035 , F01N3/2066 , F01N3/208 , F01N3/2892 , F01N13/009 , F01N13/08 , F01N2240/20 , F01N2470/16 , F01N2610/02 , F01N2610/1453 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To provide a urea aqueous solution mixing device which can properly mix a urea aqueous solution and exhaust gas together and which restrains the urea aqueous solution from adhering to an inner wall of an exhaust pipe.SOLUTION: This device includes the exhaust pipe 4B, an injector 5, a mixing pipe 6, and an inner pipe 7. The exhaust pipe 4B comprises an elbow portion 10 which has a curved portion, and a straight portion 11 which is provided on the downstream side of the elbow portion 10. The injector 5, which is provided outside the curved portion of the elbow portion 10, emits a jet of urea aqueous solution to the straight portion 11. The mixing pipe 6 is arranged in such a manner as to cover the periphery of the urea aqueous solution jetted from the injector 5, inside the elbow portion 10, and has a plurality of openings 6a on an outer peripheral surface. The inner pipe 7, which is arranged with a space between itself and an outlet portion of the mixing pipe 6 on the downstream side of the mixing pipe 6 and with a space between itself and the inner wall of the straight portion 11, enables the exhaust gas to be circulated through its inside and outer peripheral portion.
摘要翻译：要解决的问题：提供一种尿素水溶液混合装置，其可以将尿素水溶液和废气适当地混合在一起并且抑制尿素水溶液粘附到排气管的内壁。解决方案：该装置包括排气管4B，喷射器5，混合管6和内管7.排气管4B包括具有弯曲部分的弯头部分10和设置在弯头部分10的下游侧的直线部分11 设置在弯头部10的弯曲部的外侧的喷射器5向直线部11喷射尿素水溶液。混合管6以覆盖尿素水溶液的周围的方式配置从注射器5喷射的溶液在肘部10内部，并且在外周面上具有多个开口6a。在混合管6的下游侧配置有自身与混合管6的出口部分之间的空间以及其自身与直线部分11的内壁之间的空间的内管7能够使排气气体通过其内部和外周部分循环。

9. 发明专利

JP2009024550A Control device for engine 有权
标题翻译：发动机控制装置
公开(公告)号：JP2009024550A
公开(公告)日：2009-02-05
申请号：JP2007186975
申请日：2007-07-18
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： IIJIMA TADASHI
IPC分类号： F02D21/08 , F02B37/00 , F02B37/24 , F02D23/00 , F02D43/00 , F02M25/07
CPC分类号： Y02T10/121 , Y02T10/144
摘要： PROBLEM TO BE SOLVED: To set a control part for compensation of mutual interference of an EGR device and a variable turbocharger without depending on setting of a control part controlling the EGR device and a control part controlling the variable turbocharger. SOLUTION: An EGR controller 41 outputs control signal x 1 for controlling the EGR device 51, and a variable turbocharger controller 42 outputs control signal x 2 for controlling the variable turbocharger 52. In a compensation controller 43, an EGR compensation controller 45 corrects the signal x 1 output by the EGR controller 41 based on control signal z 2 corrected by a variable turbocharger compensation controller 46, and a variable turbocharger compensation controller 46 corrects control signal x 2 output by the variable turbocharger controller 42 based on control signal z 1 corrected by the EGR compensation controller 45. COPYRIGHT: (C)2009,JPO&INPIT
摘要翻译：要解决的问题：设置用于补偿EGR装置和可变涡轮增压器的相互干扰的控制部件，而不依赖于控制EGR装置的控制部件的设置和控制可变涡轮增压器的控制部件。解决方案：EGR控制器41输出用于控制EGR装置51的控制信号x 1，可变涡轮增压器控制器42输出用于控制变量的控制信号x SB <2> 涡轮增压器52.在补偿控制器43中，EGR补偿控制器45根据由可变涡轮增压器52校正的控制信号z 2 校正由EGR控制器41输出的信号x SB < 补偿控制器46和可变涡轮增压器补偿控制器46根据由EGR补偿控制器45校正的控制信号z 1 校正可变涡轮增压器控制器42输出的控制信号x SB SB2 版权所有（C）2009，JPO＆INPIT

10. 发明专利

JP2014055566A Exhaust gas treatment device, diesel engine and exhaust gas treatment method 有权
标题翻译：排气处理装置，柴油发动机和排气处理方法
公开(公告)号：JP2014055566A
公开(公告)日：2014-03-27
申请号：JP2012201881
申请日：2012-09-13
申请人： Komatsu Ltd , 株式会社小松製作所
发明人： NISHIZAWA IZUMI , IIJIMA TADASHI , SUGIHARA TAKUMI
IPC分类号： F01N3/08 , F01N3/023 , F01N3/025 , F01N3/029 , F01N3/24
CPC分类号： B01D53/9495 , B01D53/9431 , F01N3/021 , F01N3/208 , F01N13/009 , F01N13/011 , F01N2410/00 , F01N2560/026 , F01N2560/08 , F01N2610/02 , F01N2900/08 , F01N2900/1402 , F01N2900/1404 , F01N2900/1406 , F01N2900/1411 , Y02T10/24
摘要： PROBLEM TO BE SOLVED: To accurately provide respective catalysts with appropriate amounts of reducing agents when treating exhaust gas from a diesel engine, for reducing NOx, by using a plurality of reducing catalysts to reduce the NOx.SOLUTION: An exhaust gas treatment device 20 comprises: a NOx detection sensor 15; a first catalyst 25A installed on a first branch pipe 22A and a second catalyst 25B installed on a second branch pipe 22B; a first pressure sensor 27A and a second pressure sensor 27B which are arranged at respective upstream sides of the first catalyst 25A and the second catalyst 25B and detect pressure in the first branch pipe 22A and the second branch pipe 22B; and a control device 50 which obtains flow rates of exhaust gas EX flowing in the first branch pipe 22A and the second branch pipe 22B on the basis of detection values of the first pressure sensor 27A and the second pressure sensor 27B and also obtains amounts of reducing agents R to be provided with the first catalyst 25A and the second catalyst 25B from the obtained flow rates and a NOx concentration of the exhaust gas EX.
摘要翻译：要解决的问题：通过使用多种还原催化剂来减少NOx，在处理来自柴油发动机的废气时为了精确地提供适当量的还原剂的各种催化剂。解决方案：排气处理装置20包括：NOx检测传感器15; 安装在第一分支管22A上的第一催化剂25A和安装在第二分支管22B上的第二催化剂25B; 第一压力传感器27A和第二压力传感器27B，其布置在第一催化剂25A和第二催化剂25B的上游侧，并且检测第一分支管22A和第二分支管22B中的压力; 基于第一压力传感器27A和第二压力传感器27B的检测值，获得在第一分支管22A和第二分支管22B中流动的排气EX的流量的控制装置50，并且还获得减少量试剂R从所获得的流速和排气EX的NOx浓度提供第一催化剂25A和第二催化剂25B。

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