SU794408A1 - Pressure measuring instrument - Google Patents

Pressure measuring instrument Download PDF

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Publication number
SU794408A1
SU794408A1 SU741574992A SU1574992A SU794408A1 SU 794408 A1 SU794408 A1 SU 794408A1 SU 741574992 A SU741574992 A SU 741574992A SU 1574992 A SU1574992 A SU 1574992A SU 794408 A1 SU794408 A1 SU 794408A1
Authority
SU
USSR - Soviet Union
Prior art keywords
measuring instrument
pressure measuring
rotameter
throttle
adjustable
Prior art date
Application number
SU741574992A
Other languages
Russian (ru)
Inventor
Алексей Петрович Самсонов
Виктор Владимирович Васильев
Original Assignee
Samsonov Aleksej P
Vasilev Viktor V
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.)
Filing date
Publication date
Application filed by Samsonov Aleksej P, Vasilev Viktor V filed Critical Samsonov Aleksej P
Priority to SU741574992A priority Critical patent/SU794408A1/en
Application granted granted Critical
Publication of SU794408A1 publication Critical patent/SU794408A1/en

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  • Measuring Fluid Pressure (AREA)

Description

ФорМула изобретени Formula of invention

Прибор дл  измерени  давлени , содержащий ротаметр, вход которого соединен с регулируемым дросселем, отличающийс  тем, что, с целью иовышени  точности измерени  давлений в дианазоне 10-10- мм рт. ст., в нем между входом ротаметра и регулируемым дросселем установлен расходомер критического истечени .A pressure measuring instrument comprising a rotameter whose inlet is connected to an adjustable throttle, characterized in that, in order to improve the accuracy of pressure measurements in Dianazone 10-10 mm Hg. Art., a critical flow meter is installed in it between the inlet of the rotameter and the adjustable throttle.

Источники информации, прин тые во внимание при экспертизе:Sources of information taken into account in the examination:

1. Глазков А. А. -и Мнлованова Р. А. Учебна  лаборатори  вакуумной техники. М., «Атомиздат, 1971, с. 25.1. Glazkov A. A. -and Mnlovanova R. A. Training Laboratory of Vacuum Engineering. M., “Atomizdat, 1971, p. 25

2. Авторское свидетельство СССР по за вке № Д989223,. кл. G 01 L 13/00, 22.01.74.2. USSR author's certificate in application number D989223 ,. cl. G 01 L 13/00, 01.22.74.

Claims (1)

Формула изобретенияClaim Прибор для измерения давления, содержащий ротаметр, вход которого соединен с регулируемым дросселем, отличающийся тем, что, с целью повышения точности измерения давлений в диапазоне 10—10—1 мм рт. ст., в нем между входом ротаметра и регулируемым дросселем установлен расходомер критического истечения.Device for measuring pressure comprising a rotameter, which is connected with an adjustable input throttle, characterized in that, in order to increase the accuracy of pressure measurements in the range 1 mm Hg 10-10-. Art., in it between the input of the rotameter and the adjustable throttle a flow meter of critical expiration is installed.
SU741574992A 1974-02-15 1974-02-15 Pressure measuring instrument SU794408A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
SU741574992A SU794408A1 (en) 1974-02-15 1974-02-15 Pressure measuring instrument

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SU741574992A SU794408A1 (en) 1974-02-15 1974-02-15 Pressure measuring instrument

Publications (1)

Publication Number Publication Date
SU794408A1 true SU794408A1 (en) 1981-01-07

Family

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Family Applications (1)

Application Number Title Priority Date Filing Date
SU741574992A SU794408A1 (en) 1974-02-15 1974-02-15 Pressure measuring instrument

Country Status (1)

Country Link
SU (1) SU794408A1 (en)

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