PROBLEM TO BE SOLVED: To provide a flow rate measuring device capable of suppressing the occurrence of a detection error regarding a fluid instantaneous flow rate caused by the pulsation of fluid and accurately measuring a fluid flow rate even if fluid pulsation occurs in a flow path where ...
PROBLEM TO BE SOLVED: To provide a flow-rate measuring device reduced in power consumption by shortening operation hours of an amplifying means and a reference comparing means of large power consumption.;SOLUTION: Cut-off periods of a power source for an amplifying means 6 and a reference compar...
Prior Art 1 and Prior Art 2 are flow rate measuring devices in which guided waves are used; however, the following problems are presented. (1) It is indicated that there are used guided waves that have a mode such that the variation in the phase velocity decreases near the longitudinal sou...
A flow-rate measuring device which is based on the induction law for electrically conductive media, in the case of which, according to Figure 2, the induction voltage produced by the medium flowing through a magnetic field being picked off by means of electrodes (16) as a measurement signal ...
Air flow rate measuring device An air flow rate measuring device for measuring intake air flow rate in an automotive engine, improved to reduce any error attributable to variation in the configurations of air cleaner and/or duct forming air passage upstream of the flo... S Igarashi,H Hirayama...
rate measuring device is provided near the outlet of the sub-passage, in order to keep the flow rate measuring element from being destroyed under the presence of dust and water in an intake manifold and which has high reliability for a long period of use and an excellent pulsation ...
Air flow rate measuring device with measuring unit A measuring unit (4) is made of a heating element (4a) and a temperature measurement element (4b) is constructed. The measuring unit (4) is arranged in an area in the measurement air flowing through the bypass inlet (8) into the inflow...
mass flow rate measuring device, operating method for e.g. fabrication system, involves sending authentication from user administration u... The method involves scanning user specific access data at field devices (F1-F4), and inputting access data of a user. The access data is transmitted to ...
PURPOSE:To measure a minute flow rate highly accurately over the broad range of the flow rate, by the constitution, wherein the fall of a liquid droplet is detected, and the dropped liquid is made to flow through a thin pipe as a continuous stream. CONSTITUTION:A liquid enters a dropping...
FLOWMETER AND FLOW-RATE MEASURING DEVICE WITH ATTA 优质文献 相似文献A large Flow Signal Processing and Measurement Method based on Ultrasonic Gas Meter Ultrasonic flowmeter is extensively used in petrochemical, metallurgical and other industries for its non-contact measurement, large measuring range, stabl...