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    • 2. 发明申请
    • PULSED LIGHT OPTICAL RANGEFINDER
    • 脉冲光学光栅
    • US20120075615A1
    • 2012-03-29
    • US13376336
    • 2010-06-18
    • Cristiano NiclassEdoardo CharbonMineki SogaHiromichi Yanagihara
    • Cristiano NiclassEdoardo CharbonMineki SogaHiromichi Yanagihara
    • G01S7/487
    • G01S17/89G01S7/4814G01S7/4816G01S7/4818G01S7/4863G01S7/487G01S7/489G01S7/497G01S17/10
    • An optical rangefinder based on time-of-flight measurement, radiates pulsed light toward an object (70), and receives reflected light from the object, the receiver operating in a photon counting mode, so as to generate a pulse for a detected photon. There is a variable probability of a photon detection on the receiver, and a controller (370, 380, 390; 365, 470, 475, 380, 390; 570, 580, 590, 390) controls the photon detection probability of the receiver, based on a light level. By controlling the detection probability according to a light level, the receiver can have an increased dynamic range, and without the expense of using optical components. This can apply even while detecting very weak signals since the receiver can still be in a photon counting mode while the detection probability is controlled. The light level can be indicated by an output of the receiver itself, or by another detector external to the receiver.
    • 基于飞行时间测量的光学测距器将朝向物体(70)的脉冲光辐射,并且接收来自物体的反射光,接收器以光子计数模式工作,以产生检测到的光子的脉冲。 在接收机上存在光子检测的可能概率,并且控制器(370,380,390; 365,470,475,380,390; 570,580,590,390)控制接收机的光子检测概率, 基于光照水平。 通过根据光级控制检测概率,接收机可以具有增加的动态范围,并且不需要使用光学部件的费用。 即使在检测到非常弱的信号的同时也可以应用,因为接收机仍然可以处于光子计数模式,同时控制检测概率。 光电平可以由接收器本身的输出或由接收器外部的另一个检测器指示。
    • 4. 发明申请
    • SUBMILLIMETER RADAR USING SIGNALS REFLECTED FROM MULTIPLE ANGLES
    • 使用从多角度反射的信号的子雷达雷达
    • US20110298652A1
    • 2011-12-08
    • US13202055
    • 2010-10-21
    • Hiromichi YanagiharaMineki SogaHarald Franz Arno Merkel
    • Hiromichi YanagiharaMineki SogaHarald Franz Arno Merkel
    • G01S13/87
    • G01S13/003G01S13/874
    • A submillimeter wavelength radar system has a receiver (20, 27, 90) for receiving and downconverting signals from content in a field of view of the system and a signal processor (30) arranged to determine information about the content from the downconverted signals, the radar system being arranged to obtain signals of the same points in the field of view from different illumination or receiving angles by having multiple illumination or receive positions, and the signal processor being arranged to use the determined information from the signals from the two or more angles to determine location or orientation of the content. By using information from different angles, it becomes possible to address or overcome the drawback of submillimeter wavelengths that most of the reflection is specular and so only surfaces of an object facing the radar system are detectable, meaning that many objects are unrecognisable.
    • 亚毫米波长雷达系统具有接收器(20,27,90),用于在系统的视野中从内容接收和下变频信号;以及信号处理器(30),被布置为从下变频信号确定关于内容的信息, 雷达系统被布置成通过具有多个照明或接收位置从不同的照明或接收角度获得视野中的相同点的信号,并且信号处理器被布置为使用来自两个或更多个角度的信号的确定的信息 以确定内容的位置或方向。 通过使用来自不同角度的信息,可以解决或克服亚毫米波长的缺点,大多数反射是镜面的,因此只有面向雷达系统的物体的表面才能被检测到,这意味着许多物体是不可识别的。
    • 5. 发明授权
    • Particulate trap
    • 微粒陷阱
    • US5961931A
    • 1999-10-05
    • US542625
    • 1995-10-13
    • Syunsuke BanTomohiko IharaYoichi NagaiKiyoshi KobashiHiromichi Yanagihara
    • Syunsuke BanTomohiko IharaYoichi NagaiKiyoshi KobashiHiromichi Yanagihara
    • B01D39/20B01D46/24B01D46/52F01N3/022F01N3/28F02B3/06B01D50/00
    • B01D46/24B01D39/2041B01D46/522F01N3/0222F01N3/0226F01N3/2803F01N3/2835B01D2279/30F01N2330/10F02B3/06Y02T10/20
    • A particulate trap for use with a diesel engine is high in particulate trapping capacity and regenerating capacity and low in pressure drop, and yet is compact and inexpensive. This trap has a filter element made up of a plurality of tapered filter members formed from a fabric of heat-resistant metal fibers. The filter members have different diameters from each other and are nested concentrically one inside the other so that the adjacent filter members are positioned inversely. Each filter member is connected at its large-diameter end to the small-diameter end of the immediately outer filter member to alternately close the exhaust inlet and outlet ends of the gaps between the adjacent filter members. The filter element thus formed is mounted in a metal case provided in an exhaust line and used as a particulate trap. With this arrangement, it is possible to increase the particulate trapping area of the filter and the exhaust inlet openings without increasing the size of the entire trap. Such a trap is less likely to suffer pressure drop and is highly durable.
    • 用于柴油发动机的颗粒捕集器具有高的颗粒捕集能力和再生能力以及低压降,而且紧凑且便宜。 该捕集器具有由耐热金属纤维织物形成的多个锥形过滤构件构成的过滤元件。 过滤构件彼此具有不同的直径,并且同心地嵌套在另一个内部,使得相邻的过滤构件相反地定位。 每个过滤构件在其大直径端处连接到紧邻的外部过滤构件的小直径端,以交替地关闭相邻过滤构件之间的间隙的排气入口和出口端。 如此形成的过滤元件安装在设置在排气管线中的金属壳体中,并用作颗粒捕集器。 通过这种布置,可以在不增加整个陷阱的尺寸的情况下增加过滤器和排气入口的颗粒捕获面积。 这种陷阱不太可能遭受压力下降并且是高度耐用的。
    • 7. 发明授权
    • Internal combustion engine equipped with an auxiliary combustion chamber
    • 配有辅助燃烧室的内燃机
    • US4232638A
    • 1980-11-11
    • US14163
    • 1979-02-22
    • Takeshi TakahashiHiromichi Yanagihara
    • Takeshi TakahashiHiromichi Yanagihara
    • F02B19/08F02B1/04F02B19/10F02B19/12F02B19/16F02B75/12F02M45/08F02M61/08
    • F02B19/1085F02B19/12F02M45/086F02B1/04F02B2075/125Y02T10/123Y02T10/125
    • An internal combustion engine comprising an auxiliary chamber connected to a main chamber via a connecting passage. A raised portion is formed on the inner wall of the auxiliary chamber. The auxiliary chamber is divided into a first chamber and a second chamber. The connecting passage is tangentially connected to the inner wall of the second chamber at a position opposite to the raised portion with respect to the axis of the auxiliary chamber. A fuel injector having a pair of injection nozzles is arranged in the first chamber. One of the injection nozzles is directed to the tip of the raised portion. The other nozzle is directed to the inner wall of the auxiliary chamber, which is located at a position opposite to the raised portion with respect to the axis of the auxiliary chamber. The fuel is always injected from the nozzle towards the tip of the raised portion independently of the operating condition of the engine, while the injecting operation of the other nozzle is started when the load of the engine is increased beyond a predetermined level.
    • 一种内燃机,包括经由连接通道连接到主室的辅助室。 凸起部分形成在辅助室的内壁上。 辅助室被分成第一室和第二室。 连接通道在相对于辅助室的轴线的凸起部分相对的位置处切向地连接到第二室的内壁。 具有一对注射喷嘴的燃料喷射器布置在第一腔室中。 其中一个喷嘴被引导到凸起部分的尖端。 另一个喷嘴被引导到辅助室的内壁,其相对于辅助室的轴线位于与升高部分相对的位置处。 燃料始终从喷嘴朝着凸起部分的尖端喷射,而与发动机的操作状态无关,而当发动机的负载增加超过预定水平时,另一喷嘴的喷射操作开始。
    • 8. 发明授权
    • Internal combustion engine with an auxiliary combustion chamber
    • 具有辅助燃烧室的内燃机
    • US4178903A
    • 1979-12-18
    • US849355
    • 1977-11-07
    • Hiromichi YanagiharaNobuhiro Miura
    • Hiromichi YanagiharaNobuhiro Miura
    • F02P5/145F02B1/04F02B3/06F02B19/10F02B19/12F02B19/16F02D7/00F02B3/00F02B33/02
    • F02B19/12F02B19/1014F02B19/1085F02B1/04F02B3/06Y02T10/125
    • Disclosed is an internal combustion engine having no intake throttle valve and comprising a main chamber and an auxiliary chamber which are interconnected with each other via a connecting passage. An annular raised portion is formed on the inner wall of the auxiliary chamber, and the auxiliary chamber is divided into a first auxiliary chamber and a second auxiliary chamber by the annular raised portion. The connecting passage is tangentially connected to the inner wall of the second auxiliary chamber. The nozzle of a fuel injector is disposed in the auxiliary chamber and is directed to the recess which is formed in the second auxiliary chamber beneath the annular raised portion at a position located opposite to the inner wall to which the connecting passage is tangentially connected with respect to the axis of the auxiliary chamber. The spark gap of a spark plug is located in the recess of the second auxiliary chamber. The sum of the volumes of the auxiliary chamber and the connecting passage is more than 80 percent of the sum of the volumes of the auxiliary chamber, the connecting passage and the main chamber when said piston reaches the top dead center position. The exhaust gas is recirculated into the intake system of the engine so that the exhaust gas recirculating rate becomes 30 through 40 percent. The amount of the fuel injected from the injector is so regulated that the total air-fuel ratio is increased to within 30 through 100:1 in accordance with a decrease in the level of the load of the engine. The ignition timing is advanced to within the range of 15 through 50 degrees before the top dead center position of the compression stroke in accordance with a decrease in the level of the load of the engine.
    • 公开了一种没有进气节流阀的内燃机,其包括通过连接通道相互连接的主室和辅助室。 在辅助室的内壁上形成环状隆起部分,并且辅助室通过环形隆起部分分成第一辅助室和第二辅助室。 连接通道切向连接到第二辅助室的内壁。 燃料喷射器的喷嘴设置在辅助室中并且被引导到形成在第二辅助室中的凹部,该凹部在环形凸起部分的下方位于与内壁相对的位置处,连接通道相对于内壁切向连接 到辅助室的轴线。 火花塞的火花隙位于第二辅助室的凹部中。 当所述活塞到达上止点位置时,辅助室和连接通道的总和大于辅助室,连接通道和主室的体积总和的80%。 废气再循环到发动机的进气系统中,使得废气再循环率达到30至40%。 从喷射器喷射的燃料的量被调节为使得总空燃比根据发动机的负载水平的降低而增加到30至100:1之内。 根据发动机的负载水平的降低,点火正时进行到压缩冲程的上止点位置之前的15至50度的范围内。
    • 9. 发明授权
    • Internal combustion engine with an auxiliary chamber
    • 具有辅助室的内燃机
    • US4116191A
    • 1978-09-26
    • US799097
    • 1977-05-20
    • Hiromichi YanagiharaNobuo Habu
    • Hiromichi YanagiharaNobuo Habu
    • F02B1/04F02B19/10F02B19/12F02B19/08F02B17/00
    • F02B19/12F02B19/1004F02B19/108F02B1/04Y02T10/125
    • Disclosed is an internal combustion engine comprising a main chamber and an auxiliary chamber which are interconnected with each other via a connecting passage. An annular raised portion is formed in the inner wall of the auxiliary chamber so as to divide the auxiliary chamber into a first auxiliary chamber and a second auxiliary chamber. The connecting passage is tangentially connected to the second auxiliary chamber for creating a strong swirl motion in the first auxiliary chamber. This strong swirl motion causes a secondary swirl motion in a portion of the recess, which is located at a position opposite to the inner wall to which the connecting passage is tangentially connected with respect to the axis of the auxiliary chamber. The nozzle of a fuel injector is disposed in the auxiliary chamber so as to be directed to the recess portion for forming a rich air-fuel mixture therein. The spark gap of a spark plug is located in the recess portion. An additional connecting passage communicating the recess portion with the main chamber is formed in the cylinder head and is tangentially connected to the inner wall of the recess portion for strengthening the secondary swirl motion.
    • 公开了一种内燃机,其包括通过连接通道彼此互连的主室和辅助室。 在辅助室的内壁中形成环形凸起部分,以便将辅助室分成第一辅助室和第二辅助室。 连接通道切向地连接到第二辅助室,用于在第一辅助室中产生强烈的旋转运动。 这种强烈的旋转运动在凹部的一部分中引起二次旋转运动,该部分位于与连接通道相对于辅助室的轴线切向连接的内壁相对的位置。 燃料喷射器的喷嘴设置在辅助室中,以便被引导到凹部,以在其中形成浓的空气 - 燃料混合物。 火花塞的火花隙位于凹部中。 在气缸盖中形成有将该凹部与主室连通的附加连接通道,并且与凹部的内壁相切地连接,用于加强二次旋转运动。