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公开(公告)号：US5797380A
公开(公告)日：1998-08-25
申请号：US968972
申请日：1997-11-12
申请人： Yasuo Tada , Tomoya Yamakawa , Hiroyuki Uramachi
发明人： Yasuo Tada , Tomoya Yamakawa , Hiroyuki Uramachi
CPC分类号： F02M35/10222 , F02M35/021 , F02M35/10019 , F02M35/10255 , F02M35/10386 , F05C2201/021 , F05C2225/08
摘要： An air intake system for an internal combustion engine which does not impair detection performance of a flow sensor without impairing intrinsic function thereof even when a distance between the flow sensor (4) and as inlet port (80) for a recirculating air is dimensioned short. The air intake system includes a recirculating air passage (8) for recirculating a blow-by gas (B) leaking into a crankcase (13) connected to an engine cylinder (1) to an intake air passage (2a). A positive crankcase ventilation system is provided which includes a communicating passage (18) for communicating interior of the crankcase (13) with that of a head cover assembly (14) of the cylinder (1), a recirculating passage (6) for introducing the blow-by gas (B) from the head cover assembly (14) into an intake air passage (2a) at a location downstream of a throttle valve (24), and a recirculating air passage (8) for introducing the recirculating air into the head cover assembly (14) from the intake air passage (2a) at a location intermediate between the flow sensor (4) and the throttle valve (24). The recirculating air passage (8) has a suction member (81) having one end portion disposed within the intake air passage (2a). The suction member (81) defines an air inlet passage having an inlet port (80) provided in the one end portion located at a downstream side relative to the center of the one end portion within the intake air passage (2a). Disturbance in the air stream occurring at the flow sensor is suppressed. Besides, protecting the flow sensor is protected against contamination even when the blow-by gas injected from the recirculating air passage (8).
摘要翻译： 即使当流量传感器（4）和作为循环空气的入口（80）之间的距离尺寸较小时，也不会损害流量传感器的检测性能而不损害其内在功能的内燃机的进气系统。 进气系统包括用于使泄漏到连接到发动机气缸（1）的曲轴箱（13）中的窜气（B）再循环到进气通道（2a）的再循环空气通道（8）。 提供一种正曲轴箱通风系统，该系统包括用于将曲轴箱（13）的内部与气缸（1）的头罩组件（14）的内部连通的连通通道（18），用于引导 湍流气体（B）从头盖组件（14）进入到节流阀（24）下游位置的进气通道（2a）中;以及再循环空气通道（8），用于将循环空气引入 在所述流量传感器（4）和所述节流阀（24）之间的位置处，所述头罩组件（14）从所述进气通道（2a）开始。 再循环空气通路（8）具有吸入部件（81），该吸引部件具有设置在吸气通道（2a）内的一端部。 抽吸构件（81）限定空气入口通道，其具有设置在相对于进气通道（2a）内的一个端部的中心的下游侧的一个端部中的入口（80）。 抑制在流量传感器处发生的空气流中的干扰。 此外，即使当从再循环空气通道（8）喷射的窜气气体时，保护流量传感器也免受污染。
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公开(公告)号：US5614681A
公开(公告)日：1997-03-25
申请号：US553832
申请日：1995-11-06
申请人： Yasuo Tada
发明人： Yasuo Tada
CPC分类号： G01F1/3209 , G01F1/3272
摘要： A Karman vortex flow meter has a detection passages located along a fluid flow in a duct 1. Flow outlets of the detection passage are disposed on an end face of a vortex generation element and flow inlets 3 are disposed upstream from the flow outlets. Heating coils for detecting flow velocity change of a fluid caused by a negative pressure of a Karman vortex are mounted in the detection passage, and swell portions are formed upstream from the heating coils in the detection passage. The flow meter that can prevent water drops, bubbles, etc., from adhering to heating coils, etc., and detect Karman vortexes stably.
摘要翻译： 卡曼涡流流量计具有沿着管道1中的流体流动的检测通道。检测通道的流出口设置在涡流发生元件的端面上，并且流入口3设置在流出口的上游。 用于检测由Karman涡流的负压引起的流体的流速变化的加热线圈安装在检测通道中，并且在检测通道中的加热线圈的上游形成膨胀部分。 可防止水滴，气泡等附着于加热线圈等的流量计，并稳定地检测卡门涡流。
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公开(公告)号：US5052229A
公开(公告)日：1991-10-01
申请号：US527506
申请日：1990-05-23
申请人： Yoshihiko Tanimura , Hisato Ishikuro , Yasuo Tada
发明人： Yoshihiko Tanimura , Hisato Ishikuro , Yasuo Tada
CPC分类号： G01F1/3209 , F02D41/185 , G01F1/3218 , G01F15/00
摘要： A vortex flowmeter for measuring the flow rate of a fluid flowing into a conduit, wherein a member 5a for disturbing the flow of the fluid is disposed upstream of a vortex generating column 3 for generating vortexes in the fluid to be measured, and upstream of a straightener 4 for uniforming the flow of the fluid into the conduit. The fluid flow is disturbed in both the flow direction and its orthogonal direction, and the generation of vortexes by the vortex generating column is facilitated, while the fluctuation of the generated vortexes is prevented.
摘要翻译： 一种涡流流量计，用于测量流入管道的流体的流速，其中用于扰动流体流动的构件5a设置在涡流产生塔3的上游，用于在待测流体中产生涡流，并在 矫直机4，用于使流体流入导管中。 流体流动在流动方向和正交方向都被扰动，并且由涡流产生塔产生涡流，同时防止产生的涡流的波动。
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公开(公告)号：US5029465A
公开(公告)日：1991-07-09
申请号：US514443
申请日：1990-04-25
申请人： Yoshihiko Tanimura , Hisato Azuma , Hisato Ishiguro , Yasuo Tada
发明人： Yoshihiko Tanimura , Hisato Azuma , Hisato Ishiguro , Yasuo Tada
CPC分类号： G01F1/3209 , G01F15/00
摘要： A vortex flowmeter including a shell member having an inlet and an outlet which are opened in the side wall thereof, a filter element provided in the shell member to define two, upper and lower, chambers inside the shell member and also isolate the inlet and the outlet from each other, a duct connected to the shell member in such a manner as to communicate with the outlet, and a vortex generating device provided inside the duct. A tubular projection is provided at the outlet in such a manner as to extend into the shell member, the projection being tapered toward the outlet, thereby correcting the flow of air flowing into the outlet so that the velocity distribution of air streams inside the duct becomes uniform.
摘要翻译： 一种涡流流量计，包括壳体构件，该壳体具有在其侧壁中开口的入口和出口，设置在壳体构件中以在壳构件内限定两个上，下室的过滤元件，并且还将入口和 彼此相通的出口，以与出口连通的方式连接到外壳构件的管道，以及设置在管道内的涡流产生装置。 在出口处设置有管状突出部，以延伸到壳体中，突出部朝向出口逐渐变细，从而校正流入出口的空气流，使得管道内部气流的速度分布变为 制服。
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公开(公告)号：US4907459A
公开(公告)日：1990-03-13
申请号：US321242
申请日：1989-03-09
申请人： Yasuo Tada , Akinori Akazawa
发明人： Yasuo Tada , Akinori Akazawa
IPC分类号： G01F1/32
CPC分类号： G01F1/3263 , G01F1/329
摘要： A vortex flow meter comprises a first diaphragm which divides a first and a second pressure chamber from each other; a second diaphragm which divides a third and a fourth pressure chambers from each other; a first and a second bridge circuits which receive the action of the first and the second diaphragms, respectively; a first and a second variable amplifiers which amplify the outputs from the first and the second bridge circuits, respectively; and a differential amplifier which receives the outputs made by the first and the second variable amplifiers, inverse to each other in polarity and nearly equal to each other in magnitude.
摘要翻译： 涡流流量计包括将第一和第二压力室彼此分开的第一隔膜; 将第三和第四压力室彼此分开的第二隔膜; 分别接收第一和第二隔膜的作用的第一和第二桥接电路; 第一和第二可变放大器，分别放大来自第一和第二桥接电路的输出; 以及差分放大器，其接收由第一和第二可变放大器产生的输出，其极性彼此相反并且在大小上彼此几乎相等。
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公开(公告)号：US4891988A
公开(公告)日：1990-01-09
申请号：US317488
申请日：1989-03-01
申请人： Yasuo Tada
发明人： Yasuo Tada
IPC分类号： G01F1/32
CPC分类号： G01F1/329 , G01F1/3263
摘要： Pressure variation produced in a conduit is transmitted through two pressure conduits to two pairs of pressure chambers, the pressure chambers in each pair being partitioned by a diaphragm having a bridge circuit which provides an output related to a deformation of the diaphragm, so that deformations of the diaphragms produce outputs which are opposite in phase and have magnitudes of the same absolute value and which are summed for vortex pressure detection and subtracted for other pressure.
摘要翻译： 在管道中产生的压力变化通过两个压力管道传递到两对压力室，每对压力室中的压力室由具有桥接电路的隔膜分隔开，桥接电路提供与隔膜变形有关的输出， 隔膜产生与相位相反的输出，并具有相同绝对值的量值，并将它们相加用于涡流压力检测并减去其他压力。
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公开(公告)号：US4249506A
公开(公告)日：1981-02-10
申请号：US084165
申请日：1979-10-12
申请人： Yasuo Tada
发明人： Yasuo Tada
CPC分类号： F02P1/00
摘要： An ignition device for an internal combustion engine comprises two signal generator coils for generating the output having steep variation from positive (or negative) peak value to negative (or positive) peak value by corresponding to the ignition timing of the engine. The two signal coils are serially connected in reverse polarity and the output terminals of the generator coils are connected in parallel to a circuit in which two rectifying elements are serially connected in reverse polarity. The joint between the two generator coils is connected to the joint between the two rectifying elements. The output terminals of the two generator coils are connected to the two input terminals of a differential amplifying circuit and the output of the differential amplifying circuit is given as input signal of the ignition circuit. Variation of the ignition timing caused by variation of the rotating speed of the signal generator can be decreased and the ignition device is stable against the external noise and the noise formed between the generator coils.
摘要翻译： 用于内燃机的点火装置包括两个信号发生器线圈，用于通过对应于发动机的点火正时来产生具有从正（或负）峰值到负（或正）峰值的急剧变化的输出。 两个信号线圈以相反的极性串联连接，并且发电机线圈的输出端子并联连接到两个整流元件以相反的极性串联连接的电路。 两个发电机线圈之间的接头连接到两个整流元件之间的接头。 两个发电机线圈的输出端子连接到差分放大电路的两个输入端子，差分放大电路的输出作为点火电路的输入信号。 可以减少由信号发生器的转速的变化引起的点火正时变化，并且点火装置抵抗外部噪声和发电机线圈之间形成的噪声是稳定的。
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公开(公告)号：US5344518A
公开(公告)日：1994-09-06
申请号：US21371
申请日：1993-02-23
申请人： Satoru Ito , Michihiro Murata , Norio Fukui , Keizou Yamamoto , Tetsujiro Sawao , Satoshi Awata , Yasuo Tada , Satoru Kawabata
发明人： Satoru Ito , Michihiro Murata , Norio Fukui , Keizou Yamamoto , Tetsujiro Sawao , Satoshi Awata , Yasuo Tada , Satoru Kawabata
CPC分类号： G01J5/34 , H01L37/02 , B29L2031/3493
摘要： A pyroelectric IR-sensor in which a pyroelectric light receiving element is mounted on a MID substrate or a ceramic substrate having a thermal conductivity less than 0.02 cal/cm.sec..degree.C. Both ends of the pyroelectric light receiving element are supported by the substrate, with the central portion of the pyroelectric light receiving element being spaced from the substrate. Chip parts are mounted on the substrate.
摘要翻译： 热电式IR传感器，其热电接收元件安装在MID基板或导热率小于0.02cal / cm·sec的陶瓷基板上。 热电接收元件的两端由基板支撑，热电接收元件的中心部分与基板间隔开。 芯片部件安装在基板上。
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公开(公告)号：US5329812A
公开(公告)日：1994-07-19
申请号：US854082
申请日：1992-03-19
申请人： Yasuo Tada , Tomoya Yamakawa
发明人： Yasuo Tada , Tomoya Yamakawa
摘要： In a thermal flow sensor comprising a cylindrical housing, a straight-pipe-shaped detecting tube, and a heat-sensitive resistor provided in the detecting tube, the housing has a net at its one end opening through which fluid to be measured flows therein, and no net is provided at the other end opening. Instead, an insertion preventing member is provided downstream of the heat-sensitive resistor and inside the detecting tube to prevent the insertion of an unwanted object such as the finger into the detecting tube.
摘要翻译： 在包括圆柱形壳体，直管状检测管和设置在检测管中的热敏电阻器的热流传感器中，壳体在其一端开口处具有净流体，待测流体流过该网， 在另一端开口没有网。 替代地，在热敏电阻器的下游和检测管内部设置插入防止部件，以防止诸如手指的不想要的物体插入到检测管中。
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10.发明授权Method of manufacturing semiconductor pressure sensor device with two semiconductor pressure sensor chips 失效制造具有两个半导体压力传感器芯片的半导体压力传感器装置的方法
公开(公告)号：US5225373A
公开(公告)日：1993-07-06
申请号：US853190
申请日：1992-03-18
申请人： Yoshiharu Takahashi , Seiji Takemura , Keitaro Tsukui , Junko Itoh , Eitaro Nagai , Yasuo Tada , Yuuji Kishimoto , Sakae Kiguchi
发明人： Yoshiharu Takahashi , Seiji Takemura , Keitaro Tsukui , Junko Itoh , Eitaro Nagai , Yasuo Tada , Yuuji Kishimoto , Sakae Kiguchi
IPC分类号： G01L9/00 , H01L23/495
CPC分类号： G01L19/0061 , G01L19/147 , H01L23/49572 , H01L24/32 , H01L2224/32057 , H01L2224/32245 , H01L2224/451 , H01L2224/48091 , H01L2224/48247 , H01L2224/48465 , H01L2224/73265 , H01L2224/83385 , H01L2224/92247 , H01L24/45 , H01L24/48 , H01L2924/00014 , H01L2924/01014 , H01L2924/10253 , H01L2924/14 , H01L2924/351
摘要： A semiconductor pressure sensor device that improve the measuring accuracy without providing a silicon base in attaching a semiconductor pressure sensor chip to a lead frame, and a method of manufacturing thereof is disclosed. The semiconductor pressure sensor device includes a die-bond adhesive 10 formed of a resilient material for fixing a semiconductor pressure sensor chip 50 to a lead frame 100, a wire bond receiving projection 4 provided in the diepad where the semiconductor pressure sensor chip 50 is attached for receiving pressure application force from the bottom of the semiconductor pressure sensor chip 50 at the time of wire bonding, and a supporting projection 11 for preventing distortion stress by the wire bond receiving projection 4 from being transmitted. Thermal distortion of the semiconductor pressure sensor chip 50 and the lead frame 100 is absorbed by die-bond adhesive 10. By wire bond receiving projection 4 and supporting projection 11, stress acting on the semiconductor pressure sensor chip 50 is decreased to improve the measuring accuracy.
摘要翻译： 公开了一种半导体压力传感器装置及其制造方法，该半导体压力传感器装置在将半导体压力传感器芯片附接到引线框架的同时不提供硅基底来提高测量精度。 半导体压力传感器装置包括由用于将半导体压力传感器芯片50固定到引线框架100的弹性材料形成的管芯接合粘合剂10，设置在半导体压力传感器芯片50附接的凹槽中的引线接合突起4 用于在引线接合时从半导体压力传感器芯片50的底部接收压力施加力，以及用于防止引线接合突起4发生的变形应力的支撑突起11。 半导体压力传感器芯片50和引线框架100的热变形被芯片接合粘合剂10吸收。通过引线接合突起4和支撑突起11，降低作用在半导体压力传感器芯片50上的应力以提高测量精度 。
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