SU815536A1 - Device for measuring pressure drop with static compensation - Google Patents

Device for measuring pressure drop with static compensation Download PDF

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Publication number
SU815536A1
SU815536A1 SU792774211A SU2774211A SU815536A1 SU 815536 A1 SU815536 A1 SU 815536A1 SU 792774211 A SU792774211 A SU 792774211A SU 2774211 A SU2774211 A SU 2774211A SU 815536 A1 SU815536 A1 SU 815536A1
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SU
USSR - Soviet Union
Prior art keywords
pressure
static compensation
static
measuring
connecting tubes
Prior art date
Application number
SU792774211A
Other languages
Russian (ru)
Inventor
Борис Александрович Баль
Original Assignee
Научно-Исследовательский Секторинститута "Гидропроект" Им.C.Я.Жука
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Application filed by Научно-Исследовательский Секторинститута "Гидропроект" Им.C.Я.Жука filed Critical Научно-Исследовательский Секторинститута "Гидропроект" Им.C.Я.Жука
Priority to SU792774211A priority Critical patent/SU815536A1/en
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Publication of SU815536A1 publication Critical patent/SU815536A1/en

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Description

(54) УСТРОЙСТВО ДЛЯ ИЗМЕРЕНИЯ ПЕРЕП.ЛДЛ(54) DEVICE FOR MEASURING TRANSFER LDL

Claims (2)

ДАВЛЕНИЯ СО СТАТИЧЕСКОЙ КОМПЕНСАЦИЕЙ в трубопроводе. Одновременно к чувствительным элементам 1 и 2 по соединительным трубкам 7 подвод тс  давлени  от мерных сечений Так как величина статического давлени  присут ствует как внутри упругих чувствительных элементов , так и снаружи, то их стенки испытывают только динамические составл ющие давлени . Изгиб балки, происход щий под действием суммы динамических составл ющих давлений, фиксируетс  тензорезисторами и преобразуетс  в электрический сигнал. Формула изобре тени  Устройство дл  измерени  перепада давлени  со статической компенсацией, содержащее )еренциальный датчик давлени , подключенный 8 4 соединительными трубками к мерным сечени м, отличающеес  тем, что, с целью. повыщени  точности измерени , оно снабжено камерой противодавлени  с водоводом дл  соединени  с исследуемым объектом, а дифференциальный датчик давлени  вьтолнен в виде двух чувствительных к давлению упругих элементов , соединенных встречно и св занных с балкой, на которой размещены тензорезисторы, и расположен в воздущной полости камеры противодавлени . Источники информации, прин тые во внимание при экспертизе 1.Авторское свидетельство СССР № 468120, кл. G 01 L 7/06, 12.07.73. PRESSURE WITH STATIC COMPENSATION in the pipeline. At the same time, pressure from the measured sections is supplied to the sensitive elements 1 and 2 by the connecting tubes 7. Since the static pressure is present both inside the elastic sensitive elements and outside, only the dynamic pressure components experience their walls. The bending of the beam, which occurs under the action of the sum of the dynamic component pressures, is fixed by the strain gauges and converted into an electrical signal. Formula invented shadows A device for measuring a differential pressure with static compensation, comprising) A pressure sensor connected by 8 4 connecting tubes to measuring sections, characterized in that, with a target. to increase measurement accuracy, it is equipped with a backpressure chamber with a water line to connect with the object under study, and the differential pressure sensor is implemented as two pressure-sensitive elastic elements connected counter-and connected to the beam on which the strain gages are located, and is located in the backpressure chamber of the counterpressure chamber . Sources of information taken into account in the examination 1. USSR author's certificate number 468120, cl. G 01 L 7/06, 12.07.73. 2.Горлин С. М. Экспериментальна  аэромеханика . М., Высша  школа, 1970, с. 165-1692. Gorlin S.M. Experimental aeromechanics. M., Higher School, 1970, p. 165-169
SU792774211A 1979-05-30 1979-05-30 Device for measuring pressure drop with static compensation SU815536A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU792774211A SU815536A1 (en) 1979-05-30 1979-05-30 Device for measuring pressure drop with static compensation

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU792774211A SU815536A1 (en) 1979-05-30 1979-05-30 Device for measuring pressure drop with static compensation

Publications (1)

Publication Number Publication Date
SU815536A1 true SU815536A1 (en) 1981-03-23

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU792774211A SU815536A1 (en) 1979-05-30 1979-05-30 Device for measuring pressure drop with static compensation

Country Status (1)

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SU (1) SU815536A1 (en)

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