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61.发明授权Oil free screw compressor operating at variable speeds and control method therefor 有权无油螺杆压缩机以可变速度运行及其控制方法公开(公告)号：US06561766B2
公开(公告)日：2003-05-13
申请号：US09819999
申请日：2001-03-29
申请人： Hitoshi Nishimura , Hiroshi Ohta
发明人： Hitoshi Nishimura , Hiroshi Ohta
IPC分类号： F04B4906
CPC分类号： F04C28/24 , F04C23/001 , F04C28/06 , F04C28/08 , F04C2240/403
摘要： An oil free screw compressor includes a low-pressure stage compressor body and a high-pressure stage compressor body. Power of a motor driven by an inverter is transmitted to the compressor bodies through gears. A low-pressure stage blow-off two-way valve is provided in a pipe branching off midway an air pipe connecting between the high-pressure stage compressor body and the low-pressure stage compressor body, and a high-pressure stage blow-off two-way valve is provided in a pipe branching off from a discharge air pipe provided on a discharge side of the high-pressure stage compressor body. During no-load operation, a controller gives a command to the inverter to make the rotational speed of the motor a set lower limit rotational speed, and also gives an open command to the low-pressure stage blow-off two-way valve.
摘要翻译： 无油螺杆压缩机包括低压级压缩机体和高压级压缩机体。 由变频器驱动的电动机的功率通过齿轮传递到压缩机主体。 在高压级压缩机体和低压级压缩机体连接的空气管的中途分支的管道中设置有低压级吹出式二通阀，以及高压级吹出 在设置在高压级压缩机主体的排出侧的排气管上分支的管中设置有双向阀。 在空载运转时，控制器向变频器发出指令，使电动机的转速设定下限转速，并向低压级排放二通阀提供开启指令。
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公开(公告)号：US06461112B1
公开(公告)日：2002-10-08
申请号：US09671305
申请日：2000-09-28
IPC分类号： F04B4900
CPC分类号： F04C28/08 , F04C18/16 , F04C2240/403 , F04C2270/02 , F04C2270/18
摘要： In a capacity control method for an oil-free screw compressor, when an air consumption is larger than a set amount, a rotation frequency of a motor using an inverter to drive the compressor is set to be variable. When the air consumption is a set air amount or less, the inverter is controlled in such a manner that the rotation frequency of the motor is kept at a constant value. In this state, when an operation gas pressure of the compressor reaches an upper-limit value, an air release valve is opened to discharge the operation gas to the atmosphere. Additionally, the rotation frequency of the motor is lowered to a lower-limit value. Re-compression in the compressor can be prevented, and a compressor drive torque is lowered.
摘要翻译： 在无油螺杆压缩机的容量控制方法中，当空气消耗量大于设定量时，使用变频器驱动压缩机的电动机的旋转频率被设定为可变的。 当空气消耗量为设定的空气量以下时，以使电机的旋转频率保持恒定的方式来控制逆变器。 在该状态下，当压缩机的运转气体压力达到上限值时，打开排气阀，将操作气体排出到大气中。 此外，电动机的旋转频率降低到下限值。 可以防止压缩机中的再压缩，并且压缩机驱动转矩降低。
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公开(公告)号：US06178621B2
公开(公告)日：2001-01-30
申请号：US09029627
申请日：1998-04-23
IPC分类号： H05K330
CPC分类号： H05K13/0409 , Y10T29/53091 , Y10T29/53178 , Y10T29/53191 , Y10T29/53261
摘要： By lightening the impact load to an electronic component and greatly promoting the load range, the adaptability to the electronic components is enhanced and the manned manual operation is eliminated, thereby improving the productivity and realizing unmanned operation. The vacuum-clamping nozzle unit comprises an automatically detachable vacuum-clamping nozzle (2) for vacuum-clamping the electronic component, a positioning section (3) for positioning the vacuum-clamping nozzle (2) in a rotating direction and a vertical direction, a pushing section (4) for urging said vacuum-clamping nozzle (2) downward by using fluid, a fluid pressure switching section for switching the urging force, a timing switching section for switching the timing of the urging force of said vacuum-clamping nozzle, and a pressure control section for controlling the load to a desired load. Switching the timing of the urging force can be made before or at the time of mounting the electronic component on an electronic circuit board.
摘要翻译： 通过减轻对电子元件的冲击负荷并大大提高负载范围，提高了对电子元器件的适应性，消除了人工操作，从而提高了生产效率，实现了无人操作。 真空夹紧喷嘴单元包括用于真空夹紧电子部件的可自动拆卸的真空夹紧喷嘴（2），用于将真空夹紧喷嘴（2）沿旋转方向和垂直方向定位的定位部分（3） 用于通过使用流体向下推动所述真空夹紧喷嘴（2）的推动部分（4），用于切换所述推动力的流体压力切换部分，用于切换所述真空夹紧喷嘴的作用力的正时的定时切换部分 以及用于将负载控制到期望负载的压力控制部。 可以在将电子部件安装在电子电路板上之前或之前进行推压力的定时切换。
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公开(公告)号：US5754335A
公开(公告)日：1998-05-19
申请号：US848499
申请日：1997-05-08
申请人： Nobuo Takagi , Hiroshi Ohta , Tadashi Wachi
发明人： Nobuo Takagi , Hiroshi Ohta , Tadashi Wachi
CPC分类号： G01J3/28
摘要： Before a measurement for an infrared analysis of a sample is performed, a measurement area of the sample is set. In the measurement area setting mode, a camera takes the image of the whole sample, and the image is shown on a display. An image of an aperture is superimposed on the image of the sample in the display. When an operator uses a mouse connected to a controller of the infrared microscope to change the width of the image of the aperture on the display, an aperture signal generator generates an aperture signal corresponding to the width of the aperture image. An aperture image signal generator receives the aperture signal and generates an aperture image signal having the width. Thus the image of the sample superimposed on the image of the aperture in the display changes accordingly, by which the operator confirms the measurement area, i.e., the position and width of the aperture, in the sample. Since the image of the aperture is generated electronically in the present invention, no hardware such as expensive lenses or a precise mirror-moving mechanism is necessary.
摘要翻译： 在对样品的红外分析进行测量之前，设定样品的测量区域。 在测量区域设定模式下，相机拍摄整个样本的图像，并将图像显示在显示屏上。 孔径的图像叠加在显示器中的样品的图像上。 当操作者使用连接到红外显微镜的控制器的鼠标来改变显示器上的孔径的图像的宽度时，孔径信号发生器产生对应于孔径图像的宽度的孔径信号。 孔径图像信号发生器接收孔径信号并产生具有宽度的孔径图像信号。 因此，叠加在显示器上的孔径的图像上的样本的图像相应地改变，由此操作者确认样本中的测量区域，即孔的位置和宽度。 由于在本发明中电子地生成孔径的图像，所以不需要诸如昂贵的透镜或精确的镜像移动机构的硬件。
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公开(公告)号：USD377198S
公开(公告)日：1997-01-07
申请号：US51433
申请日：1996-03-11
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66.发明授权Pigment dispersing agent and offset printing ink composition employing the same 失效颜料分散剂和使用其的胶印油墨组合物
公开(公告)号：US5000792A
公开(公告)日：1991-03-19
申请号：US360282
申请日：1989-06-02
申请人： Hiroshi Ohta , Tsutomu Matsukawa , Atsushi Nakada
发明人： Hiroshi Ohta , Tsutomu Matsukawa , Atsushi Nakada
CPC分类号： C09D11/03 , B01F17/0042 , B01F17/005 , C09B67/009
摘要： A pigment dispersing agent comprising the reaction product of a polyester having a free carboxyl group, of which the acid value is in the range of from 10 to 60, with an amine compound of the formula: ##STR1## wherein R.sub.1 and R.sub.2 are alkylene radicals which can be the same or different, each containing from 2 to 6 carbon atoms, and R.sub.3 is a radical of the formula CH.sub.3 -- or C.sub.2 H.sub.5 --, wherein said reaction being conducted in the range of from 0.8 to 1.0 of equivalent molar ratio of the amino groups having active hydrogen of said amine compound to the free carboxyl groups of said polyester.Application of the dispersing agent to nonaqueous paint or printing inks enables pigments to be dispersed in the vehicle at higher concentrations with low viscosity than in the prior art, and the dispersions thus obtained exhibit high coloring power and excellent storage stability.
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公开(公告)号：US4578314A
公开(公告)日：1986-03-25
申请号：US651219
申请日：1984-09-17
申请人： Hiroshi Ohta , Shinji Abe , Kiyoto Fukushima
发明人： Hiroshi Ohta , Shinji Abe , Kiyoto Fukushima
CPC分类号： G11B5/7085 , Y10S428/90 , Y10T428/2991 , Y10T428/2993 , Y10T428/2995 , Y10T428/2996
摘要： A magnetic recording medium having deposited on the surface of a non-magnetic substrate a magnetic layer formed by dispersing a powdered magnetic substance and a powdered abrasive in a binder, which magnetic recording medium is characterized by having abrasive particles activated on the surface thereof.
摘要翻译： 一种磁记录介质，其在非磁性基板的表面上沉积有磁性层，该磁性层通过将粉末状磁性物质和粉末磨料分散在粘合剂中而形成，该磁性记录介质的特征在于在其表面上具有激活的磨料颗粒。
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公开(公告)号：US4523286A
公开(公告)日：1985-06-11
申请号：US405350
申请日：1982-08-05
CPC分类号： F01D17/02 , F16K37/0083 , F16K37/0091 , Y10T137/8158 , Y10T137/8242 , Y10T137/8326
摘要： A diagnostic apparatus for diagnosising of a valve device in a turbine system comprises at least one of a pressure sensor for sensing hydraulic pressure in a hydraulic cylinder for driving a valve body of the valve device and a position sensor for sensing the displacement of the valve body, and a processing device for processing the output signal from the above-mentioned at least one sensor. The processing device has an offset computing device which receives a signal representing the actual operating state of the valve device obtained on the basis of the output signal from the at least one sensor and a signal corresponding to a reference value obtained under the normal operating state of the valve device. The offset computing device is operable to compute the offset between the signals received thereto. A judging device is provided for judging as to whether or not there is a symptom of a sticking in the valve device, in accordance with the output signal from the offset computing device.
摘要翻译： 用于诊断涡轮机系统中的阀装置的诊断装置包括用于感测用于驱动阀装置的阀体的液压缸中的液压的压力传感器和用于感测阀体的位移的位置传感器中的至少一个 以及用于处理来自上述至少一个传感器的输出信号的处理装置。 该处理装置具有偏移计算装置，该偏移计算装置接收表示基于来自至少一个传感器的输出信号获得的阀装置的实际操作状态的信号，以及对应于在正常操作状态下获得的参考值的信号 阀门装置。 偏移计算装置可操作以计算接收到的信号之间的偏移。 根据来自偏移计算装置的输出信号，提供判断装置，用于判断是否存在粘附在阀装置中的症状。
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公开(公告)号：US4070772A
公开(公告)日：1978-01-31
申请号：US616290
申请日：1975-09-24
申请人： Mitsuteru Motomura , Chiaki Kojima , Hiroshi Ohta , Akira Nemoto
发明人： Mitsuteru Motomura , Chiaki Kojima , Hiroshi Ohta , Akira Nemoto
摘要： Such a ground excavating apparatus that conducts excavation of a soft stratum by means of a bucket and employs an impact crusher for the excavation of such a hard stratum as a rock bed or the like is disclosed.Introduced in the present application is a ground excavator of such a category that comprises a housing, a bucket boom properly set in place in the said housing in a manner of being capable of traveling forward and rearward, a bucket properly fitted in place on the front end section of the said bucket boom in a manner of being capable of inclining, and an impact crushing mechanism well capable of traveling forward and rearward by virtue of a hydraulic jack housed in the said bucket boom, and employs the said bucket and the said impact crushing mechanism in an alternate manner to best suit the nature of the ground to be excavated.
摘要翻译： 公开了一种通过铲斗进行柔软地层的挖掘并采用冲击式破碎机来挖掘诸如岩石床等硬层的地面挖掘装置。
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公开(公告)号：US20140290781A1
公开(公告)日：2014-10-02
申请号：US14112122
申请日：2013-03-29
申请人： Taira Ozaki , Hiroshi Nakagami , Hironori Yamamitsu , Kanji Namimatsu , Hiroshi Ohta , Kenji Matsubara
发明人： Taira Ozaki , Hiroshi Nakagami , Hironori Yamamitsu , Kanji Namimatsu , Hiroshi Ohta , Kenji Matsubara
IPC分类号： F16L3/08
CPC分类号： F16L3/08 , B60K13/04 , B60Y2200/411 , E02F9/0866 , F01N3/021 , F01N3/2066 , F01N13/009 , F01N13/1805 , F01N13/1816 , F01N13/1822 , F01N2590/08 , Y02A50/2325
摘要： An exhaust gas treatment unit includes an exhaust gas treatment device, a bracket and a connecting pipe. The exhaust gas treatment device is mounted on a bracket. The connecting pipe is connected to the exhaust gas treatment device. The connecting pipe directs exhaust gas to the exhaust gas treatment device. The connecting pipe may include a supporting portion and a pipe portion, with the supporting portion supporting the bracket and the pipe portion being integrated with the supporting portion. Alternatively, the exhaust gas treatment unit may further include a supporting member having a supporting portion supporting the bracket and a pipe portion integrated with the supporting portion, with the pipe portion connected to the connecting pipe.
摘要翻译： 废气处理单元包括废气处理装置，支架和连接管。 废气处理装置安装在支架上。 连接管连接到废气处理装置。 连接管将废气引导到废气处理装置。 连接管可以包括支撑部分和管部分，其中支撑部分支撑支架，并且管部分与支撑部分一体化。 或者，废气处理单元还可以包括支撑构件，其具有支撑支架的支撑部和与支撑部一体的管部，管部连接到连接管。
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