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1. 发明专利

JPH11325999A THERMAL FLOW SENSOR AND FLUID MEASURING METHOD 失效
公开(公告)号：JPH11325999A
公开(公告)日：1999-11-26
申请号：JP13328298
申请日：1998-05-15
申请人： RICOH KK , RICOH ELEMEX CORP
发明人： HORIGUCHI HIROYUKI , HIRANO SHINJI
IPC分类号： G01F1/68 , G01F1/684 , G01F15/04
摘要： PROBLEM TO BE SOLVED: To do so that the flow velocity and flow rate of a fluid can be correctly measured in a low flow velocity range. SOLUTION: In a thermal flow sensor having detecting elements 3, 4 having at least one heating body 3, 4 in a passage 1 for flowing a fluid, a base board 2 for holding the detecting elements 3, 4 is disposed at a gravitationally upper side than the detecting elements 3, 4 whereby the fluid in the passage 1 is heated orderly from the vicinity of the heating bodies 3, 4 when the heating bodies 3, 4 are made heating, while the shield action of the base board 2 suppresses the natural convection from occurring, so that the flow velocity and flow rate of the fluid can be correctly measured in a low flow velocity range.

2. 发明专利

JP2002267520A FLOWMETER 失效
公开(公告)号：JP2002267520A
公开(公告)日：2002-09-18
申请号：JP2001068109
申请日：2001-03-12
申请人： RICOH KK , RICOH ELEMEX CORP
发明人： HORIGUCHI HIROYUKI , HIRANO SHINJI
IPC分类号： G01F1/00 , G01F1/20 , G01F3/22 , G01F7/00 , G01F15/075
摘要： PROBLEM TO BE SOLVED: To provide a flowmeter enabling to know an integrated value obtained by the flowmeter even if the display of the flowmeter tails. SOLUTION: The integrated value obtained by the flowmeter is stored not only in an integrated value display means 9 for displaying the value at all times but in a nonvolatile storage means 12 detachable to the exterior. If the display of the integrated value on the flowmeter goes out due to consumption of a power supply, a stroke of lightening, or an unexpected accident, the integrated value can be figured out by taking out the storage means 12 to the exterior of the flowmeter 14.

3. 发明专利

JP2002022517A COMPOSITE FLOWMETER AND FLOW RATE CALCULATION METHOD THEREFOR 失效
公开(公告)号：JP2002022517A
公开(公告)日：2002-01-23
申请号：JP2000204692
申请日：2000-07-06
申请人： RICOH KK , RICOH ELEMEX CORP
发明人： IECHI HIROYUKI , TAKAMIYA TOSHIYUKI , HASE YUICHI , HIRANO SHINJI
IPC分类号： G01F7/00 , G01F1/20 , G01F1/696
摘要： PROBLEM TO BE SOLVED: To further reduce the current consumption in a composite type flowmeter to attain the smaller size and longer life of battery. SOLUTION: This flowmeter is provided with fluidic vibration presence judgment means (S2-S7) for judging whether a fluidic vibration is present or not, and drive switching means (S8, S10, S12, S14 and S16) for driving both or either one of a pressure sensor and a thermal flow velocity sensor according to the presence of absence of fluidic vibration, and the drives of the pressure sensor and the thermal flow velocity sensor are switched on the basis of the presence or absence of fluidic vibration. For example, the pressure sensor is driven to calculate the flow rate when the fluidic vibration is present, and the thermal flow velocity sensor is driven to calculate the flow rate when the fluidic vibration is absent, whereby the time for driving the thermal flow velocity sensor requiring a large current consumption for drive can be shortened to reduce the current consumption, and a battery can be thus made smaller in size.

4. 发明专利

JPH10239129A HEAT-SENSITIVE TYPE FLOW SENSOR 失效
公开(公告)号：JPH10239129A
公开(公告)日：1998-09-11
申请号：JP4638797
申请日：1997-02-28
申请人： RICOH KK , RICOH SEIKI CO LTD , RICOH ELEMEX CORP
发明人： NAKAYAMA YOSHINOBU , HORIGUCHI HIROYUKI , SUZUKI SHINICHI , HIRANO SHINJI
IPC分类号： G01P5/12 , G01F1/68 , G01F1/696 , G01F15/04
摘要： PROBLEM TO BE SOLVED: To clarify allowable error to meet specifications of a flow sensor when actually manufactured by satisfying a fixed relationship between a resistance of an upstream side heating body and a downstream side heating body at a reference temperature, the mean value of temperature coefficients of the heating bodies and the proportion of change in an output voltage when the environmental temperature changes. SOLUTION: When the resistance value of an upstream side heating body 5u at a reference temperature is represented by Rhuo , a resistance value of a downstream side heating body 5a at the reference temperature by Rhdo , the mean value of temperature coefficients of the heating bodies by α, the proportion of change in the output voltage when the environmental temperature T changes with respect to an output voltage containing an output voltage offset of a single heating body when the flow rate is zero, a relationship given by the formula I of (Rhdo /Rhuo )-1

5. 发明专利

JP2009294097A Gas meter 审中-公开
标题翻译：气体计
公开(公告)号：JP2009294097A
公开(公告)日：2009-12-17
申请号：JP2008148226
申请日：2008-06-05
申请人： Ricoh Elemex Corp , リコーエレメックス株式会社
发明人： HIRANO SHINJI , IKARUGI HIROAKI
IPC分类号： G01F3/22
摘要： PROBLEM TO BE SOLVED: To prevent solder from drooping below a hook on the occasion of soldering a vane shaft and the hook of a diaphragm type gas meter, to make the quality of soldering stable and to stabilize metering accuracy of a gas flow rate.
SOLUTION: The gas meter includes a metering diaphragm 12 which performs reciprocating motion by supply and ejection of gas, a vane 17 connected with the metering diaphragm 12, the vane shaft 15 connected with the vane 17, the hook 51 connected to the vane shaft 15, and a counter part 13 for indicating a metered value of the gas. The reciprocating motion of the metering diaphragm 12 is turned into a rotational motion of the vane shaft 15 to be transmitted, and the rotational motion is transmitted to the counter part 16 through the hook 51. The hook 51 and the vane shaft 15 are connected together by soldering, and the vane shaft 15 includes a solder collecting part for preventing drooping of molten solder when assembling the hook 51 and the vane shaft 15.
COPYRIGHT: (C)2010,JPO&INPIT
摘要翻译：要解决的问题：为了在焊接叶片轴和隔膜式燃气表的钩子的情况下防止焊料下垂到钩下方，以使焊接质量稳定并稳定气流的计量精度率。解决方案：气量计包括通过供应和排出气体进行往复运动的计量隔膜12，与计量隔膜12连接的叶片17，与叶片17连接的叶片轴15，连接到叶片17的钩51。叶片轴15和用于指示气体的计量值的对置部13。计量隔膜12的往复运动变成叶片轴15的旋转运动，以便传递，旋转运动通过钩51传递到相对部分16.钩51和叶片轴15连接在一起通过焊接，叶片轴15包括用于在组装钩51和叶片轴15时防止熔融焊料下垂的焊料收集部分。（C）2010，JPO＆INPIT

6. 发明专利

JP2008203206A Liquid detector 审中-公开
标题翻译：液体检测器
公开(公告)号：JP2008203206A
公开(公告)日：2008-09-04
申请号：JP2007042554
申请日：2007-02-22
申请人： Ricoh Elemex Corp , リコーエレメックス株式会社
发明人： SEKINE YOSHIHIRO , HIRANO SHINJI
IPC分类号： G01F23/28 , G01F23/22
摘要： PROBLEM TO BE SOLVED: To provide a liquid detector of a simple structure for determining a liquid existence state in a container from the exterior of the container in a shorter time with satisfactory work efficiency. SOLUTION: This liquid detector 1 is used by being mounted on the container 190 at a measurement execution position set on an outer surface of its side wall part 200 with the container 190 containing a liquid L taken as a measured system, and includes an ultrasonic transducer 2 for thereinto inputting an ultrasonic beam for measurement via a side wall surface of the container 190. The ultrasonic transducer 2 functions also as a reverberation detection means for detecting reverberation information from the measured system when stopping the ultrasonic beam being input into the measured system. Even where a waveform is disturbed by accidental noises, etc., it is possible to hold down a determination error by using the integral value of a damping reverberation vibration waveform to determine whether or not a liquid exists. COPYRIGHT: (C)2008,JPO&INPIT
摘要翻译：解决的问题：提供一种简单结构的液体检测器，用于在更短的时间内从容器的外部确定容器中的液体存在状态，并具有令人满意的工作效率。解决方案：该液体检测器1通过在其侧壁部200的外表面上设置的测量执行位置安装在容器190上，容器190包含作为测量系统的液体L，并且包括超声波换能器2用于通过容器190的侧壁表面输入用于测量的超声波束。超声波换能器2还用作混响检测装置，用于当停止超声波束被输入到所述超声波传感器2中时，从所测量的系统检测混响信息测量系统。即使波形被意外的噪声等扰乱，也可以通过使用阻尼混响振动波形的积分值来确定是否存在液体来抑制确定误差。版权所有（C）2008，JPO＆INPIT

7. 发明专利

JP2006038709A Ultrasonic flowmeter 有权
标题翻译：超声波流量计
公开(公告)号：JP2006038709A
公开(公告)日：2006-02-09
申请号：JP2004220673
申请日：2004-07-28
申请人： Ricoh Elemex Corp , リコーエレメックス株式会社
发明人： HIRANO SHINJI , SEKINE YOSHIHIRO , KODAMA YUKIO
IPC分类号： G01F1/66
摘要： PROBLEM TO BE SOLVED: To carry out a flow measurement on the basis of the following property of a reception wave frequency of each reception wave pulse being known beforehand, without waiting an elapse of time until the oscillation of an ultrasonic transducer on the reception side approaches to its antiresonant frequency.
SOLUTION: In an ultrasonic flowmeter 1 wherein a pair of ultrasonic transducers 2a, 2b are respectively disposed on upstream and downstream sides along a flow direction in a flow channel 3 in which fluid flows, only one specific pulse is selected from a reception wave pulse group output by the ultrasonic transducer on the reception side in a receiving means 5 by using a lock wave number counter 16, based on the emission timing of a transmission wave pulse group output by the ultrasonic transducer on the transmission side, whereby the clock frequency of the transmission wave pulse group is controlled.
COPYRIGHT: (C)2006,JPO&NCIPI
摘要翻译：要解决的问题：为了基于预先知道的每个接收波脉冲的接收波频率的以下特性来执行流量测量，而不等待经过时间直到超声换能器的振荡接收端接近其反谐振频率。解决方案：在超声波流量计1中，其中一对超声波换能器2a，2b分别设置在流体流动的流动通道3中沿着流动方向的上游侧和下游侧，从接收器中仅选择一个特定脉冲基于由发送侧的超声波换能器输出的发送波脉冲组的发射定时，通过使用锁定波数计数器16，在接收装置5中的接收侧的超声波换能器输出波脉冲组，由此时钟控制发射波脉冲组的频率。版权所有（C）2006，JPO＆NCIPI

8. 发明专利

JP2004239868A Ultrasonic flowmeter 有权
公开(公告)号：JP2004239868A
公开(公告)日：2004-08-26
申请号：JP2003031978
申请日：2003-02-10
申请人： Ricoh Elemex Corp , リコーエレメックス株式会社
发明人： HIRANO SHINJI
IPC分类号： G01F1/66
摘要： PROBLEM TO BE SOLVED: To remarkably enhance measuring precision without lowering a measuring speed and without consuming a battery for measurement markedly.
SOLUTION: An output V0d (reflection reception signal) of a transceiving oscillator 21 is selected as a reception side oscillator output to measure a reflection arrival time Td (forward-directional arrival time). The reflection arrival time Td (forward-directional arrival time) obtained in such a manner by an arrival time detection signal Vf is equivalent to an actual (true) arrival time.
COPYRIGHT: (C)2004,JPO&NCIPI

9. 发明专利

JPH10232148A FLUIDIC TYPE GAS FLOW METER 失效
公开(公告)号：JPH10232148A
公开(公告)日：1998-09-02
申请号：JP5245597
申请日：1997-02-20
申请人： RICOH ELEMEX CORP
发明人： HIRANO SHINJI , ONDA HIROSHI , ITO SHIGEYUKI , HASE YUICHI
IPC分类号： G01F1/20
摘要： PROBLEM TO BE SOLVED: To provide the fluidic type gas flowmeter, which obtains the automatically corrected flow-sensor output with respect to flow speeds without depending on the kind of gas and gas temperature and can reduce the consumption of batteries. SOLUTION: The value of a current, which is supplied to a heater 15 on a flow sensor 9, is operated with a microcomputer (operation control circuit) 10 from the output corresponding to the kind of gas from a gas-kind discriminating sensor 8 provided at the position, which does not receive the flow speed in a flow path, and the resistance value corresponding to the gas temperature of a gas-temperature measuring resistor 12 provided in the flow path. The current value of a heater supply circuit 16 is made variable by a variable current circuit 14. At the same time, the amplitude of a flow-sensor amplifier circuit 17, which amplifies the output of the flow sensor 9, is operated, and the amplitude is made variable with an amplitude variable circuit 18.

10. 发明专利

JPH07210753A SUPPLY CONTROLLER 失效
公开(公告)号：JPH07210753A
公开(公告)日：1995-08-11
申请号：JP1699594
申请日：1994-01-17
申请人： RICOH ELEMEX CORP
发明人： NAKANE SHIZUO , HIRANO SHINJI , KATO SHOICHI
IPC分类号： G07F7/12 , F17D5/06 , G06K17/00 , G07F7/08 , G07F15/00 , G07F15/04
摘要： PURPOSE:To shorten the time required to collate the ID number of a storage medium and to prevent the state of a supply stop due to an increase in the storage capacity of a memory in a read control part by effectively utilizing the memory when the ID number of the storage medium is stored in the memory in the read control part. CONSTITUTION:Each time the read control part 11 reads information out of the storage medium 2, the ID number of the storage medium is collated with an ID number stored and held in the memory in the read control part and when they match each other, it is judged that the storage medium is ineffective, but when not, the ID number read out of the storage medium is stored and held and the ID number which is already stored and held is deleted in order.

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