IT1135557B - Capsula manometrica - Google Patents
Capsula manometricaInfo
- Publication number
- IT1135557B IT1135557B IT19877/81A IT1987781A IT1135557B IT 1135557 B IT1135557 B IT 1135557B IT 19877/81 A IT19877/81 A IT 19877/81A IT 1987781 A IT1987781 A IT 1987781A IT 1135557 B IT1135557 B IT 1135557B
- Authority
- IT
- Italy
- Prior art keywords
- manometric capsule
- manometric
- capsule
- Prior art date
Links
Classifications
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/0052—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements
- G01L9/0055—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of piezoresistive elements bonded on a diaphragm
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
- G01L9/0044—Constructional details of non-semiconductive diaphragms
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0072—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance
- G01L9/0075—Transmitting or indicating the displacement of flexible diaphragms using variations in capacitance using a ceramic diaphragm, e.g. alumina, fused quartz, glass
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19803008572 DE3008572C2 (de) | 1980-03-06 | 1980-03-06 | Druckmeßdose |
DE19803009811 DE3009811A1 (de) | 1980-03-14 | 1980-03-14 | Druckmessdose |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8119877A0 IT8119877A0 (it) | 1981-02-20 |
IT1135557B true IT1135557B (it) | 1986-08-27 |
Family
ID=25784117
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT19877/81A IT1135557B (it) | 1980-03-06 | 1981-02-20 | Capsula manometrica |
Country Status (4)
Country | Link |
---|---|
US (1) | US4382247A (it) |
FR (1) | FR2477709A1 (it) |
GB (1) | GB2071853B (it) |
IT (1) | IT1135557B (it) |
Families Citing this family (30)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS597234A (ja) * | 1982-07-05 | 1984-01-14 | Aisin Seiki Co Ltd | 圧力センサ |
USRE33518E (en) * | 1983-04-29 | 1991-01-15 | Baxter International, Inc. | Pressure transducer assembly |
NO157119C (no) * | 1985-07-12 | 1988-01-20 | Warren M Brodey | Hndbetjent organ tilknyttet et kybernetisk system, samt anvendelse av organet. |
DE8525588U1 (de) * | 1985-09-07 | 1987-01-08 | Robert Bosch Gmbh, 7000 Stuttgart | Drucksensor |
IT1187900B (it) * | 1986-02-10 | 1987-12-23 | Marelli Autronica | Dispositivo sensore di pressione |
EP0333091B1 (en) * | 1988-03-15 | 1992-10-21 | Pfister GmbH | Transducer for picking-up pressures, vibrations and/or accelerations and converting them into electrical signals |
DE3829195A1 (de) * | 1988-08-29 | 1990-03-08 | Bosch Gmbh Robert | Temperaturfuehler |
DE3829194A1 (de) * | 1988-08-29 | 1990-03-08 | Bosch Gmbh Robert | Einrichtung zur messung einer stroemenden luftmenge |
US5099738A (en) * | 1989-01-03 | 1992-03-31 | Hotz Instruments Technology, Inc. | MIDI musical translator |
DE3912217A1 (de) * | 1989-04-13 | 1990-10-18 | Endress Hauser Gmbh Co | Drucksensor |
US5279040A (en) * | 1990-05-18 | 1994-01-18 | Robert Bosch Gmbh | Fluid-based acceleration and tilt sensor |
US5189916A (en) * | 1990-08-24 | 1993-03-02 | Ngk Spark Plug Co., Ltd. | Pressure sensor |
DE4121390C2 (de) * | 1991-06-28 | 1994-10-20 | Bosch Gmbh Robert | Verfahren zum Herstellen einer freitragenden Dickschichtstruktur |
US5637802A (en) | 1995-02-28 | 1997-06-10 | Rosemount Inc. | Capacitive pressure sensor for a pressure transmitted where electric field emanates substantially from back sides of plates |
US6484585B1 (en) | 1995-02-28 | 2002-11-26 | Rosemount Inc. | Pressure sensor for a pressure transmitter |
GB2308447A (en) * | 1995-12-22 | 1997-06-25 | Ultra Hydraulics Ltd | Pressure sensing device |
US5945605A (en) * | 1997-11-19 | 1999-08-31 | Sensym, Inc. | Sensor assembly with sensor boss mounted on substrate |
EP1070239B1 (de) | 1997-12-23 | 2002-04-24 | Unaxis Balzers Aktiengesellschaft | Kapazitive vakuummesszelle |
DE59804701D1 (de) | 1997-12-23 | 2002-08-08 | Unaxis Balzers Ag | Membrane für eine kapazitive vakuummesszelle |
US6536258B1 (en) * | 1998-11-04 | 2003-03-25 | The University Of Toledo | Blast load simulation system |
GB2344179A (en) * | 1998-11-28 | 2000-05-31 | Ford Global Tech Inc | Spark plug with combustion pressure sensor |
US6505516B1 (en) | 2000-01-06 | 2003-01-14 | Rosemount Inc. | Capacitive pressure sensing with moving dielectric |
US6520020B1 (en) | 2000-01-06 | 2003-02-18 | Rosemount Inc. | Method and apparatus for a direct bonded isolated pressure sensor |
US6561038B2 (en) | 2000-01-06 | 2003-05-13 | Rosemount Inc. | Sensor with fluid isolation barrier |
US6508129B1 (en) | 2000-01-06 | 2003-01-21 | Rosemount Inc. | Pressure sensor capsule with improved isolation |
JP3620795B2 (ja) | 2000-01-06 | 2005-02-16 | ローズマウント インコーポレイテッド | 超小型電気機械システム用電気的相互接続部の結晶粒成長 |
DE10203024B4 (de) * | 2002-01-26 | 2009-11-26 | Robert Bosch Gmbh | Verfahren zur Herstellung eines Keramiksubstrats |
DE502004001604D1 (de) * | 2004-05-05 | 2006-11-09 | Schreiner Group Gmbh & Co Kg | Verfahren zum Abdecken und Belüften eines Funktionsbereichs und Folienanordnung zur Durchführung des Verfahrens |
US7615834B2 (en) * | 2006-02-28 | 2009-11-10 | The Board Of Trustees Of The Leland Stanford Junior University | Capacitive micromachined ultrasonic transducer(CMUT) with varying thickness membrane |
US8042401B2 (en) | 2008-06-12 | 2011-10-25 | Rosemount, Inc. | Isolation system for process pressure measurement |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3455165A (en) * | 1965-12-22 | 1969-07-15 | Pierre Huet | Pressure sensitive devices |
DE2021479A1 (de) * | 1970-05-02 | 1971-11-11 | Kleinwaechter Hans | Druckmessgeraet zur Messung von Drucken in Gasen und Fluessigkeiten |
US3715638A (en) * | 1971-05-10 | 1973-02-06 | Bendix Corp | Temperature compensator for capacitive pressure transducers |
US3993939A (en) * | 1975-01-07 | 1976-11-23 | The Bendix Corporation | Pressure variable capacitor |
US4040172A (en) * | 1975-05-01 | 1977-08-09 | Kulite Semiconductor Products, Inc. | Method of manufacturing integral transducer assemblies employing built-in pressure limiting |
US4079508A (en) * | 1975-08-13 | 1978-03-21 | The Board Of Trustees Of The Leland Stanford Junior University | Miniature absolute pressure transducer assembly and method |
GB1563894A (en) * | 1976-03-12 | 1980-04-02 | Kavlico Corp | Capacitive pressure transducer and method for making same |
US4127840A (en) * | 1977-02-22 | 1978-11-28 | Conrac Corporation | Solid state force transducer |
-
1980
- 1980-08-27 US US06/181,839 patent/US4382247A/en not_active Expired - Lifetime
-
1981
- 1981-02-20 IT IT19877/81A patent/IT1135557B/it active
- 1981-02-27 FR FR8104040A patent/FR2477709A1/fr active Granted
- 1981-03-05 GB GB8106878A patent/GB2071853B/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2477709A1 (fr) | 1981-09-11 |
GB2071853B (en) | 1984-05-10 |
US4382247A (en) | 1983-05-03 |
FR2477709B1 (it) | 1984-05-25 |
IT8119877A0 (it) | 1981-02-20 |
GB2071853A (en) | 1981-09-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970227 |