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    • 23. 发明专利
    • Oxygen concentration unit
    • 氧气浓度单位
    • JP2005001956A
    • 2005-01-06
    • JP2003168911
    • 2003-06-13
    • Teijin Ltd帝人株式会社
    • FUJIMOTO NAOTOSHI
    • G01N29/02C01B13/02G01N29/00G01N29/22G01N29/44G01N29/18
    • G01N2291/02809G01N2291/02818G01N2291/02836G01N2291/02881
    • PROBLEM TO BE SOLVED: To provide an oxygen concentration unit mounted with an ultrasonic wave type oxygen concentration/flow rate measuring means with which oxygen concentration of an oxygen enriched gas and its flow rate are measured without requiring complex signal treatment and a hardware.
      SOLUTION: This oxygen concentration unit is equipped with an oxygen concentration means to separate oxygen from air, two ultrasonic vibrators located head to head in a pipe where an oxygen enriched gas flows, and a detecting means of zero crossing timing of the received ultrasonic wave. Further, this oxygen concentration unit is equipped with a calculating means which calculates the true propagation time of the ultrasonic wave, by calculating an average zero crossing timing by making the trigger detection position of the zero crossing timing of the concurrent side and that of the countercurrent side meet, using at least two successive zero crossing timings of the concurrent side from the received wave shape of the ultrasonic wave which was sent and received concurrently with the flow of the oxygen enriched gas, and at least two successive zero crossing timings of the countercurrent side from the received wave shape of the countercurrent direction, detected by the zero crossing timing detecting means, and by rewinding an integer times the time of a period of the received ultrasonic wave until the average zero crossing timing comes into the range the propagation time of the true ultrasonic wave can take.
      COPYRIGHT: (C)2005,JPO&NCIPI
    • 要解决的问题:提供一种安装有超声波型氧浓度/流量测量装置的氧浓度单元,其中测量富氧气体的氧浓度及其流量,而不需要复杂的信号处理和硬件 。 解决方案:该氧浓度单元配备有氧气与空气分离的氧气浓度装置,两个位于头部的超声波振动器位于富氧气体流动的管道中,以及检测装置, 超声波。 此外,该氧浓度单元配备有计算装置,其通过使并联侧的过零定时的触发检测位置与逆流的过零定时的触发检测位置来计算平均过零点时间来计算超声波的真实传播时间 使用与富氧气体的流动同时发送和接收的超声波的接收波形的并发侧的至少两个连续的零交叉定时以及逆流的至少两个连续过零定时 从零交叉定时检测装置检测到的逆流方向的接收波形,并且通过倒转接收到的超声波的周期的时间的整数倍,直到平均过零定时进入传播时间 真正的超声波可以服用。 版权所有(C)2005,JPO&NCIPI
    • 28. 发明专利
    • Method and apparatus for measuring osmotic pressure
    • 测量动态压力的方法和装置
    • JPS6150062A
    • 1986-03-12
    • JP17160884
    • 1984-08-20
    • Sumitomo Bakelite Co Ltd
    • IDEMOTO MORIHITONOGUCHI YASUO
    • G01N13/04G01N29/00G01N29/024
    • G01N13/04G01N29/024G01N2291/02881
    • PURPOSE:To measure the osmotic pressure of a sample solution simply and quickly, by directly measuring the propagation speed of ultrasonic waves in the sample solution and the temperature of the sample solution. CONSTITUTION:A sensor section 2 is emmersed into a sample solution, an ultrasonic wave is transmitted from an ultrasonic transducer 4 and reflected waves from a passive reflector 3 received with the transducer 4 again. When the distance between the passive reflector and the transducer 4 is represented by L0 and the time to the transmission of the subsequent ultrasonic pulse after the reception of the reflected wave T0, the propagation speed V of ultrasonic waves in the sample solution can be calculated by the formula by measuring the time (t) spent in the repetition of the transmission by n+1 times. This information is inputted into a CPU12. On the other hand, changes in the voltage of a temperature sensor 5 are converted into temperature information with a temperature measuring circuit 9 to be inputted into the CPU12. The constant of a multi- degree polynomial for determining osmotic pressure of a sample solution with the temperature and propagation speed as variables is memorized in a memory circuit 13 and it is used to determine the osmotic pressure in the sample solution.
    • 目的:通过直接测量样品溶液中超声波的传播速度和样品溶液的温度,简单快速地测量样品溶液的渗透压。 构成:将传感器部分2浸入样品溶液中,再次从超声波换能器4传送超声波和从与换能器4接收的被动反射体3的反射波。 当无源反射器和换能器4之间的距离由L0表示,并且在接收到反射波T0之后传输随后的超声波脉冲的时间时,样品溶液中的超声波的传播速度V可以通过 该公式通过测量在n + 1次重复传输中花费的时间(t)。 该信息被输入到CPU12中。 另一方面,温度传感器5的电压的变化被转换为具有温度测量电路9的温度信息,以输入到CPU12中。 用于将温度和传播速度作为变量确定的样品溶液的渗透压的多级多项式的常数存储在存储器电路13中,并且用于确定样品溶液中的渗透压。
    • 29. 发明专利
    • Device for inspecting pipeline by pig
    • 用于检查管道的装置
    • JPS6138536A
    • 1986-02-24
    • JP16118684
    • 1984-07-31
    • Sumitomo Metal Ind Ltd
    • KOSUGI SANAI
    • G01B17/02G01M3/00G01M3/02G01M3/26G01M3/28G01N29/04G01N29/22
    • G01M3/005G01N2291/02872G01N2291/02881
    • PURPOSE:To detect easily the position where abnormality arises in a pipeline by using a driving pig which is moved by the fluid in the pipe and has high resilience and sealability and an inspecting pig which is driven and moved by the driving pig. CONSTITUTION:The driving pig 1 which consists of a synthetic resin such as polyurethane and has high resilience and sealability is used. The flow rate of the fluid flowing from a fluid driving source 5 is measured by a flowmeter 7 and the position of the pig 1 is detected from the flow rate at each time. The inspecting pig 2 is connected via a universally bendable joint 9 to the pig 1. The inspection result at each time or the abnormality time is stored in an apparatus for measuring the pig 2. The inspection result in each position of the pipeline or the position where the abnormality arises in the pipeline is thereupon easily detected by comparing both of the pigs 1, 2.
    • 目的:通过使用由管道中的流体移动并具有高回弹性和密封性的驱动猪,以及由驾驶猪驱动和移动的检查猪,容易地检测管道中出现异常的位置。 构成:使用由聚氨酯等合成树脂构成的具有高弹性和密封性的驾驶猪1。 通过流量计7测量从流体驱动源5流出的流体的流量,并且每次从流量检测猪1的位置。 检查猪2通过普通弯曲接头9连接到猪1.每次或异常时间的检查结果存储在用于测量猪的装置中2.管道的每个位置或位置的检查结果 因此,通过比较两只猪1,2容易地检测出管道中的异常。
    • 30. 发明专利
    • Gaseous component detector
    • 气体元件检测器
    • JPS59212760A
    • 1984-12-01
    • JP8878883
    • 1983-05-19
    • Fuigaro Giken Kk
    • ODA KOUICHI
    • G01N29/02G01N29/024G01N29/036G01N29/00
    • G01N29/036G01N29/024G01N2291/02809G01N2291/02881G01N2291/0289
    • PURPOSE:To detect exactly a gaseous component in accordance with the antiresonance compensated of a temp. fluctuation by changing an oscillation frequency according to temp. and eliminating the influence of the temp. on the antiresonance. CONSTITUTION:An oscillating body 8 of a resonance vessel 4 of a Helmholtz type is driven by the oscillation frequency corresponding to the antiresonance frequency having temp. dependency according to the temp. by an oscillating circuit such as free running multivibrator or the like using a thermistor, etc. If the position of an interferring body 10 is adjusted in such a way that the acoustic wave through a sound releasing hole 6 by said driving is antiresonated and the sound is thus eliminated, a gaseous component is exactly detected in accordance with the antiresonance compensated of a temp. fluctuation.
    • 目的:根据温度补偿的反共振,精确检测气体成分。 根据温度改变振荡频率的波动 消除温室的影响。 在反共振。 构成:亥姆霍兹型谐振容器4的振荡体8由对应于具有温度的反谐振频率的振荡频率驱动。 依赖温度 通过诸如使用热敏电阻等的自由运行的多谐振荡器等的振荡电路等。如果干扰体10的位置被调整为使得通过所述驱动的通过声音释放孔6的声波被反谐振并且声音 因此,根据对温度补偿的反谐振,精确地检测气体成分。 波动。