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    • 33. 发明公开
    • 유체 증발 방법 및 장치
    • 用于蒸发流体的方法和装置
    • KR1020100009650A
    • 2010-01-28
    • KR1020097026680
    • 2008-05-21
    • 콘티넨탈 에미텍 페어발퉁스 게엠베하
    • 히르트,피터브룩,롤프
    • F01N3/20B01J19/26
    • F01N3/2066F01N3/36F01N2240/40F01N2610/02F01N2610/06F01N2610/10F01N2610/14Y02A50/2325Y02T10/24
    • The method according to the invention for evaporating a predeterminable volume of a fluid comprises the following steps: a) successive addition of at least one first partial volume at a first volume adding rate (17) and at least one predeterminable second partial volume that is different from the first partial volume, at a second volume adding rate (17) to a supply line (3); b) at least partial evaporating of the partial volumes such that a vapor film is formed between the partial volumes and a wall of the supply line (3); c) conveying the partial volumes through the supply line (3) to an evaporator surface (5); and d) applying the partial volumes to a region of the evaporator surface (5), the position of which is varied as a function of at least one of the following parameters: i) the mass of the corresponding partial volume and ii) the volume adding rate (17) of the corresponding partial volume. The method according to the invention and the device (1) according to the invention advantageously permit an evaporation of a fluid, particularly of a urea/water solution, in a manner that is as effective as possible. The utilization of the highest possible proportion of evaporator surfaces is achieved by the mass and/or volume addition rate-dependent distribution of the impingement surfaces on the evaporator surface (5). For this purpose, a heating strategy is advantageously employed in the region of the supply line (3) that ensures that the Leidenfrost effect occurs when the individual partial volumes are added. In this manner, a distribution that is as even as possible can be achieved using a corresponding configuration of the geometry of the evaporator channel (4).
    • 根据本发明的用于蒸发流体的可预定体积的方法包括以下步骤:a)以第一体积添加率(17)和至少一个不同的可预定的第二部分体积连续添加至少一个第一部分体积 从第一部分体积以第二体积添加率(17)到供应线(3); b)至少部分蒸发部分体积,使得在部分体积和供应管线(3)的壁之间形成蒸气膜; c)将部分体积通过供应管线(3)输送到蒸发器表面(5); 以及d)将所述部分体积施加到所述蒸发器表面(5)的区域,所述区域的位置作为以下参数中的至少一个的函数而变化:i)相应部分体积的质量,以及ii)体积 添加相应部分卷的速率(17)。 根据本发明的方法和根据本发明的装置(1)有利地允许流体,特别是尿素/水溶液的流体以尽可能有效的方式蒸发。 通过蒸发器表面(5)上的冲击表面的质量和/或体积添加速率相关分布来实现蒸发器表面的最高可能比例的利用。 为此,在供应管线(3)的区域中有利地使用加热策略,其确保当加入各个部分体积时发生莱顿弗罗斯特效应。 以这种方式,可以使用蒸发器通道(4)的几何形状的相应配置来实现尽可能均匀的分布。
    • 34. 发明公开
    • V 형 8 기통 내연기관용 배기물 정화 시스템
    • 用于V型气缸内燃机的排气净化系统
    • KR1020090027665A
    • 2009-03-17
    • KR1020087031326
    • 2007-05-24
    • 도요타 지도샤(주)
    • 간토유지
    • F01N3/36F01N3/08
    • F01N3/36F01N3/0842F01N3/106F01N3/208F01N9/00F01N13/011F01N13/107F01N2610/03F01N2610/146F01N2900/08F02B75/22F02D41/0275F02D41/047Y02T10/47
    • Provided is a technique, which can suppress that a fuel added from a fuel adding valve sticks to an exhaust passage, and that the fuel weaves out of an exhaust emission purifying device. The fuel adding instant, at which the fuel is added from fuel adding valves (11, 12), is switched, according to a running condition, to the instant, at which the instantaneous exhaust emission flow rates in exhaust pipes (7, 8) are different. In the case of a running condition, under which the fuel may seriously stick to the exhaust pipes (7, 8), therefore, the fuel is added at the instant when the instantaneous exhaust emissions through the exhaust pipes (7, 8) are high, so that the fuel may be easily entrained by the exhaust emissions to the vicinities of exhaust emission purifying devices (9, 10), thereby to suppress the stick of the fuel to the exhaust pipes (7, 8). In the case of a running condition, under which the fuel may seriously weave out of the exhaust emission purifying devices (9, 10), on the other hand, the fuel is added at the instant when the instantaneous exhaust emissions through the exhaust pipes (7, 8) are low, so that the fuel may be hardly entrained by the exhaust emissions and slowed down in its movement, thereby to suppress the weave of the fuel out of the exhaust emission purifying devices (9, 10).
    • 提供了一种技术,其可以抑制从燃料添加阀添加的燃料附着在排气通道上,并且燃料从排气净化装置中排出。 从燃料添加阀(11,12)添加燃料的燃料添加时刻根据运行状态切换到排气管(7,8)中的瞬时废气排放流量的瞬间, 是不同的。 因此,在运行状态下,燃料可能严重粘在排气管(7,8)上的情况下,在通过排气管(7,8)的瞬时废气排放高 ,使得燃料可能容易地被废气排放物夹带到废气净化装置(9,10)附近,从而抑制燃料对排气管(7,8)的粘附。 另一方面,在运行状态下,燃料可能严重地从排气净化装置(9,10)中排出,另外,在通过排气管的瞬时废气排放(即, 7,8)低,使得燃料难以被排放物引起并且其运动减慢,从而抑制燃料从排气净化装置(9,10)排出。
    • 38. 发明公开
    • 내연기관의 배기 가스 정화 장치
    • 用于内燃机的排气净化装置
    • KR1020070072620A
    • 2007-07-04
    • KR1020077011929
    • 2005-11-24
    • 가부시키가이샤 고마쓰 세이사쿠쇼
    • 니시야마토시히코이이지마코지
    • F01N3/28F01N3/20B01D53/34
    • F01N3/36B01D53/9431B01D53/944B01D2251/2067F01N3/0233F01N3/035F01N3/105F01N3/106F01N3/2066F01N13/0097F01N2250/02F01N2450/30F01N2470/18F01N2490/06F01N2610/02F01N2610/03F01N2610/1453Y02T10/24
    • An entrance chamber (40) and exit chamber (50) for exhaust gas are constructed as an integrated inflow/outflow section (80), and a first post treatment device (10) having a DPF (13) at its central part and second post-treatment device (20) having a urea DeNOx catalyst (23) on its outer periphery side are constructed as an integrated catalyst installation section (70). The catalyst installation section (70), the inflow/outflow section (80), and a communication chamber forming section (30) are provided as separate bodies so as to be removable from each other, and the catalyst installation section (70) is made installable in a reversible manner. As a consequence, when the catalyst installation section (70) is reversed, the DPF (13) can be easily reversed without removing it from the central part, and further, when even the urea DeNOx catalyst (23) is also reversed at the same time, the direction of inflow of exhaust gas can be changed, thereby irregular deterioration of the urea DeNOx catalyst (23) can be prevented.
    • 作为排出气体的入口室(40)和出口室(50)构成为一体的流入流出部(80),在其中央部具有DPF(13)的第一后处理装置(10) 在其外周侧具有尿素脱硝催化剂(23)的处理装置(20)构成为集成催化剂安装部(70)。 催化剂安装部分(70),流入/流出部分(80)和连通室形成部分(30)被设置为分离的主体以便彼此可拆卸,并且催化剂安装部分(70)被制成 以可逆的方式安装。 结果,当催化剂安装部(70)反转时,DPF(13)可以容易地反转而不从中心部分移除,此外,即使在同样的情况下,即使尿素脱硝催化剂(23)也反转 时间可以改变排气的流入方向,从而可以防止尿素脱硝催化剂(23)的不规则的劣化。
    • 39. 发明公开
    • 배기가스 정화장치 및 그 제어방법
    • 排气净化器及其控制方法
    • KR1020060093350A
    • 2006-08-24
    • KR1020067013639
    • 2005-01-18
    • 얀마 가부시키가이샤
    • 오노,타이수케
    • F01N3/08F01N3/20F01N3/24B01D53/56
    • B01D53/9454B01D53/9445F01N3/0256F01N3/031F01N3/0821F01N3/0842F01N3/085F01N3/0871F01N3/0878F01N3/0885F01N3/26F01N3/30F01N3/306F01N3/32F01N3/36F01N3/38F01N13/009F01N13/011F01N2240/14F01N2240/18F01N2240/20F01N2430/08F01N2430/085F02B37/00Y02T10/22
    • It is intended to efficiently remove particulate substances, such as NOx and soot, without poisoning by SOx, etc. from dilute-combustion effecting internal combustion engines, combustion equipment, etc. There is provided an exhaust gas purifier to be installed in exhaust passage (2) of internal combustion engine (1) or the like, comprising, disposed in the exhaust passage (2), NOx adsorbent (4) capable of temporarily adsorbing nitrogen oxides even in an atmosphere of excess air and capable of desorbing the adsorbed nitrogen oxides upon temperature rise or in a reducing atmosphere, adsorbed substance desorbing means (3) arranged on an exhaust upstream side as compared with the NOx adsorbent (4) and capable of heating the exhaust or converting it to a reducing atmosphere, and combustion device (5) arranged on an exhaust downstream side as compared with the NOx adsorbent (4) and composed of fuel nozzle (6) and igniter (7). In normal operation, the NOx adsorbent (4) adsorbs NOx contained in exhaust gas. When the amount of NOx adsorbed increases to saturation, the adsorbed substance desorbing means (3) and the combustion device (5) are operated to thereby desorb the NOx, which is burned off in combustion over-rich combustion region (X1) of the combustion device (5).
    • 旨在有效地从稀释燃烧效果的内燃机,燃烧设备等中除去诸如NOx和烟灰的颗粒物质,而不会被SOx等中毒。提供了一种安装在排气通道中的排气净化器 2)的内燃机(1)等,包括设置在排气通道(2)中的NOx吸附剂(4),即使在过量空气气氛中也能够临时吸附氮氧化物并且能够吸附吸附的氮氧化物 在升温或还原气氛中,与NOx吸附剂(4)相比,配置在排气上游侧的吸附物质解吸装置(3),能够对排气进行加热或将其转化为还原气氛,燃烧装置(5) )与NOx吸附剂(4)相比排列在废气下游侧,由燃料喷嘴(6)和点火器(7)构成。 在正常操作中,NOx吸附剂(4)吸附废气中所含的NOx。 当NOx吸附量增加到饱和时,操作吸附物质解吸装置(3)和燃烧装置(5),从而解吸燃烧的燃烧过度燃烧区域(X1)中的NOx 装置(5)。