IT1194839B - Apparecchio per misurare la pressione in particolare di un fluido che scorre attraverso un orifizio o simile - Google Patents

Apparecchio per misurare la pressione in particolare di un fluido che scorre attraverso un orifizio o simile

Info

Publication number
IT1194839B
IT1194839B IT49949/81A IT4994981A IT1194839B IT 1194839 B IT1194839 B IT 1194839B IT 49949/81 A IT49949/81 A IT 49949/81A IT 4994981 A IT4994981 A IT 4994981A IT 1194839 B IT1194839 B IT 1194839B
Authority
IT
Italy
Prior art keywords
orifice
flows
measure
fluid
similar
Prior art date
Application number
IT49949/81A
Other languages
English (en)
Other versions
IT8149949A0 (it
Inventor
Gurnam Singh
Original Assignee
Bourns Instr Inc
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 Bourns Instr Inc filed Critical Bourns Instr Inc
Publication of IT8149949A0 publication Critical patent/IT8149949A0/it
Application granted granted Critical
Publication of IT1194839B publication Critical patent/IT1194839B/it

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L13/00—Devices or apparatus for measuring differences of two or more fluid pressure values
    • G01L13/02—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements
    • G01L13/025—Devices or apparatus for measuring differences of two or more fluid pressure values using elastically-deformable members or pistons as sensing elements using diaphragms
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L19/00—Details of, or accessories for, apparatus for measuring steady or quasi-steady pressure of a fluent medium insofar as such details or accessories are not special to particular types of pressure gauges
    • G01L19/02—Arrangements for preventing, or for compensating for, effects of inclination or acceleration of the measuring device; Zero-setting means
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
    • G01L9/00—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means
    • G01L9/02—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning
    • G01L9/06—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices
    • G01L9/065—Measuring steady of quasi-steady pressure of fluid or fluent solid material by electric or magnetic pressure-sensitive elements; Transmitting or indicating the displacement of mechanical pressure-sensitive elements, used to measure the steady or quasi-steady pressure of a fluid or fluent solid material, by electric or magnetic means by making use of variations in ohmic resistance, e.g. of potentiometers, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning of piezo-resistive devices with temperature compensating means

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Fluid Pressure (AREA)
IT49949/81A 1980-12-22 1981-12-18 Apparecchio per misurare la pressione in particolare di un fluido che scorre attraverso un orifizio o simile IT1194839B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US21941880A 1980-12-22 1980-12-22

Publications (2)

Publication Number Publication Date
IT8149949A0 IT8149949A0 (it) 1981-12-18
IT1194839B true IT1194839B (it) 1988-09-28

Family

ID=22819194

Family Applications (1)

Application Number Title Priority Date Filing Date
IT49949/81A IT1194839B (it) 1980-12-22 1981-12-18 Apparecchio per misurare la pressione in particolare di un fluido che scorre attraverso un orifizio o simile

Country Status (5)

Country Link
DE (1) DE3151248A1 (it)
FR (1) FR2496885B1 (it)
GB (1) GB2090417B (it)
IT (1) IT1194839B (it)
MX (1) MX151554A (it)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3421515A1 (de) * 1983-06-13 1984-12-20 Interatom Internationale Atomreaktorbau Gmbh, 5060 Bergisch Gladbach Prandtlsches staurohr fuer instationaere geschwindigkeitsmessung
GB2159953B (en) * 1984-05-31 1987-08-12 Stc Plc Variable resistance piezo-resistive devices
GB2175398A (en) * 1985-05-21 1986-11-26 Stc Plc Pressure transducer
US4802370A (en) * 1986-12-29 1989-02-07 Halliburton Company Transducer and sensor apparatus and method
SE514106C2 (sv) * 1999-05-06 2001-01-08 Eletta Ab Flödesmätare
US7401522B2 (en) * 2005-05-26 2008-07-22 Rosemount Inc. Pressure sensor using compressible sensor body
CN111442807A (zh) * 2020-05-08 2020-07-24 上海朝辉压力仪器有限公司 一种基于ZigBee网络的高灵敏度多参数流量计

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3559488A (en) * 1969-08-20 1971-02-02 Honeywell Inc Differential pressure measuring apparatus
US4131088A (en) * 1976-11-08 1978-12-26 The Bendix Corporation Multiple function pressure sensor
US4161887A (en) * 1977-09-02 1979-07-24 Bourns, Inc. Media independent differential pressure transducer
US4203327A (en) * 1978-06-29 1980-05-20 Honeywell Inc. Piezoresistive silicon strain sensors and pressure transducers incorporating them
JPS5585236A (en) * 1978-12-22 1980-06-27 Hitachi Ltd Differential-pressure transmitter
CA1161273A (en) * 1980-07-25 1984-01-31 Bourns Instruments, Inc. Differential pressure transducer with high compliance, constant stress cantilever beam

Also Published As

Publication number Publication date
GB2090417A (en) 1982-07-07
MX151554A (es) 1984-12-13
GB2090417B (en) 1984-07-04
FR2496885B1 (fr) 1985-07-12
IT8149949A0 (it) 1981-12-18
DE3151248A1 (de) 1982-09-02
FR2496885A1 (fr) 1982-06-25

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