IT974113B - Perfezionamento nei trasduttori di pressione differenzial - Google Patents
Perfezionamento nei trasduttori di pressione differenzialInfo
- Publication number
- IT974113B IT974113B IT54766/72A IT5476672A IT974113B IT 974113 B IT974113 B IT 974113B IT 54766/72 A IT54766/72 A IT 54766/72A IT 5476672 A IT5476672 A IT 5476672A IT 974113 B IT974113 B IT 974113B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- differential pressure
- pressure transducers
- transducers
- differential
- Prior art date
Links
Classifications
-
- 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
- G01L19/14—Housings
- G01L19/148—Details about the circuit board integration, e.g. integrated with the diaphragm surface or encapsulation
-
- 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
- G01L19/0007—Fluidic connecting means
- G01L19/0038—Fluidic connecting means being part of the housing
-
- 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
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0618—Overload protection
-
- 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
- G01L19/06—Means for preventing overload or deleterious influence of the measured medium on the measuring device or vice versa
- G01L19/0627—Protection against aggressive medium in general
- G01L19/0645—Protection against aggressive medium in general using isolation membranes, specially adapted for protection
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US21036571A | 1971-12-21 | 1971-12-21 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT974113B true IT974113B (it) | 1974-06-20 |
Family
ID=22782626
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT54766/72A IT974113B (it) | 1971-12-21 | 1972-12-15 | Perfezionamento nei trasduttori di pressione differenzial |
Country Status (7)
Country | Link |
---|---|
US (1) | US3712143A (it) |
JP (1) | JPS5228671B2 (it) |
CA (1) | CA971386A (it) |
DE (1) | DE2261664C3 (it) |
FR (1) | FR2165618A5 (it) |
GB (1) | GB1363208A (it) |
IT (1) | IT974113B (it) |
Families Citing this family (28)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5112437B2 (it) * | 1971-10-01 | 1976-04-19 | ||
JPS5222973A (en) * | 1975-08-14 | 1977-02-21 | Fuji Electric Co Ltd | Pressure measuring device |
JPS5233575A (en) * | 1975-09-09 | 1977-03-14 | Fuji Electric Co Ltd | Differential pressure measuring device |
CA1078217A (en) * | 1976-03-31 | 1980-05-27 | Robert C. Whitehead (Jr.) | Force transducing cantilever beam and pressure transducer incorporating it |
US4072058A (en) * | 1976-05-03 | 1978-02-07 | Honeywell Inc. | Differential pressure transmitter with pressure sensor protection |
CA1077294A (en) * | 1976-05-03 | 1980-05-13 | Honeywell Inc. | Pressure transmitter with simplified pressure sensing head |
DE2657933C3 (de) * | 1976-12-21 | 1984-01-05 | Siemens AG, 1000 Berlin und 8000 München | Differenzdruck-Meßumformer mit Überlastschutz |
DE2659376C2 (de) * | 1976-12-29 | 1982-10-21 | Siemens AG, 1000 Berlin und 8000 München | Differenzdruck-Meßzelle |
US4120206A (en) * | 1977-01-17 | 1978-10-17 | Rosemount Inc. | Differential pressure sensor capsule with low acceleration sensitivity |
JPS5451585U (it) * | 1977-09-16 | 1979-04-10 | ||
US4203327A (en) * | 1978-06-29 | 1980-05-20 | Honeywell Inc. | Piezoresistive silicon strain sensors and pressure transducers incorporating them |
JPS5550131A (en) * | 1978-10-06 | 1980-04-11 | Hitachi Ltd | Electronic transmitter |
US4218925A (en) * | 1979-06-27 | 1980-08-26 | Honeywell Inc. | Differential pressure transmitter with pressure sensor protection |
JPS5687196A (en) * | 1979-12-19 | 1981-07-15 | Hitachi Ltd | Differential pressure transmitter |
JPS5687194A (en) * | 1979-12-19 | 1981-07-15 | Hitachi Ltd | Differential pressure transmitter |
US4285244A (en) * | 1980-02-13 | 1981-08-25 | Honeywell Inc. | Non-symmetrical overload protection device for differential pressure transmitter |
US4345476A (en) * | 1980-07-25 | 1982-08-24 | Bourns Instruments, Inc. | Differential pressure transducer with high compliance, constant stress cantilever beam |
FR2498755A1 (fr) * | 1981-01-27 | 1982-07-30 | Ams Sa | Appareil de protection pour capteurs de pressions differentielles contre le depassement d'une pression differentielle maximale donnee |
US4563901A (en) * | 1983-09-09 | 1986-01-14 | International Telephone & Telegraph Corp. | Transducer |
DE3341987A1 (de) * | 1983-11-21 | 1985-05-30 | Samson Ag, 6000 Frankfurt | Ueberdrucksicherung fuer eine differenzdruckmesszelle |
US4766769A (en) * | 1985-06-05 | 1988-08-30 | The Foxboro Company | Differential-pressure measuring apparatus with improved arrangement for coupling pressures to a semiconductor sensor |
US4693121A (en) * | 1985-06-05 | 1987-09-15 | The Foxboro Company | Differential-pressure measuring apparatus with improved overpressure protection |
DE9017855U1 (de) * | 1990-11-17 | 1992-05-07 | Honeywell Elac Nautik GmbH, 2300 Kiel | Überlastungsschutzeinrichtung für Drucksensoren |
DE4211816C2 (de) * | 1992-04-08 | 1995-08-31 | Danfoss As | Drucksensor |
DE9314579U1 (de) * | 1993-09-29 | 1993-12-09 | Walcher Meßtechnik GmbH, 79199 Kirchzarten | Differensdruck-Meßumformer |
US5605574A (en) * | 1995-09-20 | 1997-02-25 | Kabushiki Kaisha Toshiba | Semiconductor wafer support apparatus and method |
US7698951B2 (en) * | 2008-05-27 | 2010-04-20 | Honeywell International Inc. | Pressure-sensor apparatus |
CN103487203A (zh) * | 2013-10-11 | 2014-01-01 | 湖州三井低温设备有限公司 | 一种低温高压往复泵用压力表减振结构 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3058350A (en) * | 1959-10-06 | 1962-10-16 | Statham Instrument Inc | Differential pressure transducer |
US3313158A (en) * | 1965-07-23 | 1967-04-11 | Statham Instrument Inc | High overload pressure transducer |
-
1971
- 1971-12-21 US US00210365A patent/US3712143A/en not_active Expired - Lifetime
-
1972
- 1972-11-24 CA CA157,475A patent/CA971386A/en not_active Expired
- 1972-12-05 GB GB5614572A patent/GB1363208A/en not_active Expired
- 1972-12-15 IT IT54766/72A patent/IT974113B/it active
- 1972-12-16 DE DE2261664A patent/DE2261664C3/de not_active Expired
- 1972-12-19 FR FR7245294A patent/FR2165618A5/fr not_active Expired
- 1972-12-21 JP JP47127739A patent/JPS5228671B2/ja not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3712143A (en) | 1973-01-23 |
CA971386A (en) | 1975-07-22 |
JPS4871687A (it) | 1973-09-27 |
DE2261664B2 (de) | 1976-03-11 |
DE2261664C3 (de) | 1978-04-13 |
GB1363208A (en) | 1974-08-14 |
DE2261664A1 (de) | 1973-07-05 |
JPS5228671B2 (it) | 1977-07-28 |
FR2165618A5 (it) | 1973-08-03 |
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