DE3673121D1 - Wandler vom schwingungstyp. - Google Patents
Wandler vom schwingungstyp.Info
- Publication number
- DE3673121D1 DE3673121D1 DE8686114770T DE3673121T DE3673121D1 DE 3673121 D1 DE3673121 D1 DE 3673121D1 DE 8686114770 T DE8686114770 T DE 8686114770T DE 3673121 T DE3673121 T DE 3673121T DE 3673121 D1 DE3673121 D1 DE 3673121D1
- Authority
- DE
- Germany
- Prior art keywords
- vibration type
- type converter
- converter
- vibration
- type
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired - Lifetime
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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0016—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of 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
- G01L9/0001—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means
- G01L9/0008—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations
- G01L9/0022—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a piezoelectric element
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N9/00—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity
- G01N9/002—Investigating density or specific gravity of materials; Analysing materials by determining density or specific gravity using variation of the resonant frequency of an element vibrating in contact with the material submitted to analysis
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP23922885A JPS6298233A (ja) | 1985-10-25 | 1985-10-25 | 密度測定装置 |
JP25242485A JPS62112032A (ja) | 1985-11-11 | 1985-11-11 | 振動式トランスジユ−サ |
JP25813085A JPS62118238A (ja) | 1985-11-18 | 1985-11-18 | 振動式トランスジユ−サ |
JP3890686A JPS62195538A (ja) | 1986-02-24 | 1986-02-24 | 振動式トランスジユ−サ |
JP13978686A JPS62294938A (ja) | 1986-06-16 | 1986-06-16 | 振動式トランスジユ−サ |
Publications (1)
Publication Number | Publication Date |
---|---|
DE3673121D1 true DE3673121D1 (de) | 1990-09-13 |
Family
ID=27521973
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE8686114770T Expired - Lifetime DE3673121D1 (de) | 1985-10-25 | 1986-10-24 | Wandler vom schwingungstyp. |
Country Status (3)
Country | Link |
---|---|
US (1) | US4872335A (de) |
EP (1) | EP0221467B1 (de) |
DE (1) | DE3673121D1 (de) |
Families Citing this family (27)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2200211B (en) * | 1986-12-08 | 1991-01-16 | Fuji Electric Co Ltd | Vibration-type transducer |
JPH05500417A (ja) * | 1989-08-17 | 1993-01-28 | マイクロバイオロジカル・リサーチ・オーソリティー | 密度計 |
JPH071215B2 (ja) * | 1990-10-31 | 1995-01-11 | 住友金属鉱山株式会社 | 空気圧変化検出器 |
AT394784B (de) * | 1990-11-22 | 1992-06-25 | Hans Dr Stabinger | Vorrichtung zur bestimmung der dichte von fluessigkeiten und gasen aus der periodendauer eines mit einem praeparat gefuellten schwingers |
GB2251308B (en) * | 1990-12-22 | 1994-09-07 | Schlumberger Ind Ltd | Sensors |
JP3141645B2 (ja) * | 1993-08-23 | 2001-03-05 | 株式会社村田製作所 | 圧力センサ |
CN1037127C (zh) * | 1993-11-17 | 1998-01-21 | 哈尔滨蓝波高技术开发有限公司 | 振动壳密度传感器 |
US5533381A (en) * | 1994-06-10 | 1996-07-09 | Seale; Joseph B. | Conversion of liquid volume, density, and viscosity to frequency signals |
JPH09113434A (ja) * | 1995-10-20 | 1997-05-02 | Ngk Insulators Ltd | 軸流粒子センサ |
US5780958A (en) * | 1995-11-03 | 1998-07-14 | Aura Systems, Inc. | Piezoelectric vibrating device |
US5932793A (en) * | 1996-08-01 | 1999-08-03 | Gas Research Institute | Apparatus and method for determining thermophysical properties using an isochoric approach |
JPH1062331A (ja) * | 1996-08-20 | 1998-03-06 | Ngk Insulators Ltd | 粒子センサ |
US5811910A (en) * | 1997-01-30 | 1998-09-22 | Cameron; Graham P. | Mechanical shock sensor |
US6209387B1 (en) | 1997-07-30 | 2001-04-03 | Gas Research Institute | System and method for determining thermodynamic properties |
US5955659A (en) * | 1998-01-13 | 1999-09-21 | Massachusetts Institute Of Technology | Electrostatically-actuated structures for fluid property measurements and related methods |
US6038961A (en) * | 1998-03-02 | 2000-03-21 | Rosemount Inc. | Flush mount remote seal |
US6301973B1 (en) | 1999-04-30 | 2001-10-16 | The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration | Non-intrusive pressure/multipurpose sensor and method |
US6484589B1 (en) * | 2001-05-30 | 2002-11-26 | Senx Technology | Piezoelectric transducer assemblies and methods for their use |
EP1808685B1 (de) * | 2003-11-07 | 2010-01-06 | VARIAN S.p.A. | Drucksensor mit Schwingungselement |
KR20050111662A (ko) * | 2004-05-21 | 2005-11-28 | 삼성전자주식회사 | 압력 및 진동감지장치 |
US7599469B2 (en) * | 2006-04-28 | 2009-10-06 | Cameron International Corporation | Non-intrusive pressure gage |
US20080303644A1 (en) * | 2007-06-07 | 2008-12-11 | Scott Technologies, Inc. | Sounder Assembly for a personal alert safety system |
CN102027349A (zh) * | 2008-05-14 | 2011-04-20 | 株式会社爱发科 | 晶体振子以及使用了该晶体振子的测定方法 |
CN103997706B (zh) * | 2014-04-24 | 2017-05-24 | 歌尔股份有限公司 | 获取振膜固有频率的方法及*** |
WO2016109447A1 (en) | 2014-12-29 | 2016-07-07 | Concentric Meter Corporation | Fluid parameter sensor and meter |
US10107784B2 (en) | 2014-12-29 | 2018-10-23 | Concentric Meter Corporation | Electromagnetic transducer |
US10126266B2 (en) | 2014-12-29 | 2018-11-13 | Concentric Meter Corporation | Fluid parameter sensor and meter |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3276535A (en) * | 1962-10-19 | 1966-10-04 | Ca Nat Research Council | Probe microphone with horn coupling |
US3295360A (en) * | 1965-04-21 | 1967-01-03 | Dimeff John | Dynamic sensor |
US3555880A (en) * | 1967-04-12 | 1971-01-19 | Industrial Nucleonics Corp | Liquid density measuring system |
US3456508A (en) * | 1967-05-24 | 1969-07-22 | Sperry Rand Corp | Vibrating diaphragm pressure sensor apparatus |
JPS4926890B1 (de) * | 1970-12-04 | 1974-07-12 | ||
SU638858A1 (ru) * | 1977-04-04 | 1978-12-25 | Всесоюзный научно-исследовательский институт горной геомеханики и маркшейдерского дела | Устройство дл измерени давлени |
US4098133A (en) * | 1977-05-16 | 1978-07-04 | Sperry Rand Corporation | Vibrating diaphragm fluid pressure sensor device |
JPS5838738B2 (ja) * | 1979-01-11 | 1983-08-25 | 横河電機株式会社 | 圧力計 |
DE2903994A1 (de) * | 1979-02-02 | 1980-08-07 | Sprenger Albin Kg | Luftdruckgeber |
CH639762A5 (fr) * | 1980-11-12 | 1983-11-30 | Centre Electron Horloger | Transducteur de pression a element vibrant. |
US4395908A (en) * | 1981-08-27 | 1983-08-02 | Western Geophysical Co. Of America | Means for adjusting the sensitivity of a crystal detector |
EP0135665B1 (de) * | 1983-09-29 | 1991-07-03 | Siemens Aktiengesellschaft | Wandlerplatte für piezoelektrische Wandler und Vorrichtung zu deren Herstellung |
-
1986
- 1986-10-24 DE DE8686114770T patent/DE3673121D1/de not_active Expired - Lifetime
- 1986-10-24 US US06/922,694 patent/US4872335A/en not_active Expired - Fee Related
- 1986-10-24 EP EP86114770A patent/EP0221467B1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4872335A (en) | 1989-10-10 |
EP0221467A1 (de) | 1987-05-13 |
EP0221467B1 (de) | 1990-08-01 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |