BR7908576A - Transdutor do tipo de vedacao - Google Patents
Transdutor do tipo de vedacaoInfo
- Publication number
- BR7908576A BR7908576A BR7908576A BR7908576A BR7908576A BR 7908576 A BR7908576 A BR 7908576A BR 7908576 A BR7908576 A BR 7908576A BR 7908576 A BR7908576 A BR 7908576A BR 7908576 A BR7908576 A BR 7908576A
- Authority
- BR
- Brazil
- Prior art keywords
- type transducer
- sealing type
- transducer
- sealing
- type
- Prior art date
Links
- 238000007789 sealing Methods 0.000 title 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L1/00—Measuring force or stress, in general
- G01L1/16—Measuring force or stress, in general using properties of piezoelectric devices
- G01L1/162—Measuring force or stress, in general using properties of piezoelectric devices using piezoelectric resonators
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01K—MEASURING TEMPERATURE; MEASURING QUANTITY OF HEAT; THERMALLY-SENSITIVE ELEMENTS NOT OTHERWISE PROVIDED FOR
- G01K11/00—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00
- G01K11/22—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects
- G01K11/26—Measuring temperature based upon physical or chemical changes not covered by groups G01K3/00, G01K5/00, G01K7/00 or G01K9/00 using measurement of acoustic effects of resonant frequencies
-
- 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
-
- 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)
- Acoustics & Sound (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)
- Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP54002089A JPS5838738B2 (ja) | 1979-01-11 | 1979-01-11 | 圧力計 |
Publications (1)
Publication Number | Publication Date |
---|---|
BR7908576A true BR7908576A (pt) | 1980-08-26 |
Family
ID=11519612
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR7908576A BR7908576A (pt) | 1979-01-11 | 1979-12-27 | Transdutor do tipo de vedacao |
Country Status (3)
Country | Link |
---|---|
US (1) | US4297872A (pt) |
JP (1) | JPS5838738B2 (pt) |
BR (1) | BR7908576A (pt) |
Families Citing this family (44)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4372164A (en) * | 1980-06-02 | 1983-02-08 | The Foxboro Company | Industrial process control instrument employing a resonant sensor |
US4399701A (en) * | 1980-06-03 | 1983-08-23 | Unisearch Limited | Method and means for detecting decay in wood |
JPS58137726A (ja) * | 1982-02-12 | 1983-08-16 | Yokogawa Hokushin Electric Corp | 円筒振動式圧力計 |
FR2523723A1 (fr) * | 1982-03-19 | 1983-09-23 | Mitsubishi Atomic Power Ind | Procede de detection d'une baisse de pression interne de gaz dans les produits du type recipient |
FR2525773A1 (fr) * | 1982-04-26 | 1983-10-28 | Elf Aquitaine | Dispositif de mesure des caracteristiques thermodynamiques d'un fluide |
US4574639A (en) * | 1983-06-21 | 1986-03-11 | Quartztronics, Inc. | Pressure force measurement apparatus and method |
US4535638A (en) * | 1983-10-03 | 1985-08-20 | Quartztronics, Inc. | Resonator transducer system with temperature compensation |
JPS6013930U (ja) * | 1983-11-01 | 1985-01-30 | 日本ノ−シヨン工業株式会社 | 釦加工装置 |
JPS60110430U (ja) * | 1983-12-29 | 1985-07-26 | 日本ノ−シヨン工業株式会社 | 加締圧調整機構を備えた釦加工装置 |
EP0157533B1 (en) * | 1984-03-26 | 1991-06-05 | Seiko Instruments Inc. | Pressure measuring apparatus, e.g. a barometer |
JPS60189523U (ja) * | 1984-05-22 | 1985-12-16 | カネエム工業株式会社 | 釦、アイレツト等の部品の取付装置 |
DE3505165C2 (de) * | 1985-02-15 | 1986-12-04 | Danfoss A/S, Nordborg | Verfahren und Vorrichtung zum Messen einer Kraft |
GB8525781D0 (en) * | 1985-10-18 | 1985-11-20 | Schlumberger Electronics Uk | Transducers |
US4872335A (en) * | 1985-10-25 | 1989-10-10 | Fuji Electric Co., Ltd. | Vibrating type transducer |
US4926691A (en) * | 1986-03-11 | 1990-05-22 | Powertech Labs, Inc. | Apparatus and method for testing wooden poles |
US4806859A (en) * | 1987-01-27 | 1989-02-21 | Ford Motor Company | Resonant vibrating structures with driving sensing means for noncontacting position and pick up sensing |
GB8719105D0 (en) * | 1987-08-12 | 1987-09-16 | Schlumberger Electronics Uk | Fluid metering |
GB8720355D0 (en) * | 1987-08-28 | 1987-10-07 | Emi Plc Thorn | Measuring fluid density |
US4887032A (en) * | 1988-05-02 | 1989-12-12 | Ford Motor Company | Resonant vibrating structure with electrically driven wire coil and vibration sensor |
US4872343A (en) * | 1988-08-10 | 1989-10-10 | Sundstrand Data Control, Inc. | Matched pairs of force transducers |
AT393416B (de) * | 1989-04-27 | 1991-10-25 | Avl Verbrennungskraft Messtech | Messverfahren zur bestimmung bzw. ueberwachung von mechanischen und/oder physikalischen groessen |
WO1992005421A1 (en) * | 1990-09-24 | 1992-04-02 | Hydramotion Limited | Vibratile sensing instrument |
DE4034883C2 (de) * | 1990-11-02 | 1994-05-05 | Fibronix Sensoren Gmbh | Vorrichtung zur Messung der Dichte einer Flüssigkeit |
DE4114268A1 (de) * | 1991-05-02 | 1992-11-12 | Kernforschungsz Karlsruhe | Verfahren zur ermittlung der groesse von parametern, welche die frequenz von eigenschwingungen von mikrostrukturen aendern |
USRE36664E (en) * | 1991-09-04 | 2000-04-18 | Texas Beef Group | Method and apparatus for automatically segmenting animal carcasses |
US5334084A (en) * | 1991-09-04 | 1994-08-02 | Texas Beef Group | Method and apparatus for automatically trimming fatty tissue from animal carcasses |
US5205779A (en) * | 1991-09-04 | 1993-04-27 | Texas Beef Group | Method and apparatus for automatically segmenting animal carcasses |
US5313023A (en) * | 1992-04-03 | 1994-05-17 | Weigh-Tronix, Inc. | Load cell |
US5391844A (en) * | 1992-04-03 | 1995-02-21 | Weigh-Tronix Inc | Load cell |
US5336854A (en) * | 1992-04-03 | 1994-08-09 | Weigh-Tronix, Inc. | Electronic force sensing load cell |
US5442146A (en) * | 1992-04-03 | 1995-08-15 | Weigh-Tronix, Inc. | Counting scale and load cell assembly therefor |
AT400767B (de) * | 1992-04-29 | 1996-03-25 | Leopold Hans Dr | Vorrichtung zur bestimmung der dichte |
US5442288A (en) * | 1993-04-22 | 1995-08-15 | Satcon Technology Corporation | Magnetoelastic magnetometer |
US5533381A (en) * | 1994-06-10 | 1996-07-09 | Seale; Joseph B. | Conversion of liquid volume, density, and viscosity to frequency signals |
US5571974A (en) * | 1995-01-06 | 1996-11-05 | Nauful; Eli S. | Method and apparatus for the measurement of particle flow in a pipe |
US6412354B1 (en) * | 1999-12-16 | 2002-07-02 | Halliburton Energy Services, Inc. | Vibrational forced mode fluid property monitor and method |
US20110301569A1 (en) | 2001-01-20 | 2011-12-08 | Gordon Wayne Dyer | Methods and apparatus for the CVCS |
KR20050111662A (ko) * | 2004-05-21 | 2005-11-28 | 삼성전자주식회사 | 압력 및 진동감지장치 |
JP4975010B2 (ja) * | 2008-12-25 | 2012-07-11 | 横河電子機器株式会社 | 圧力センサの製造方法及び圧力センサ |
JP6003453B2 (ja) * | 2012-09-21 | 2016-10-05 | 富士通株式会社 | 温度センサー及び温度補償発振器 |
WO2016109451A1 (en) | 2014-12-29 | 2016-07-07 | Concentric Meter Corporation | Electromagnetic transducer |
US10126266B2 (en) | 2014-12-29 | 2018-11-13 | Concentric Meter Corporation | Fluid parameter sensor and meter |
WO2016109447A1 (en) | 2014-12-29 | 2016-07-07 | Concentric Meter Corporation | Fluid parameter sensor and meter |
US11175263B2 (en) | 2020-02-24 | 2021-11-16 | King Fahd University Of Petroleum And Minerals | Apparatus and method for generating, measuring, and evaluating vibrational modes in cylindrical objects |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3449941A (en) * | 1967-08-08 | 1969-06-17 | Automation Prod | Method of and apparatus for measuring changes in the mass of a fluid adapted to contact a vibratory body |
US3540265A (en) * | 1968-05-21 | 1970-11-17 | Panametrics | Dual ultrasonic sensors employing differing modes of ultrasonic transmission |
US3603137A (en) * | 1968-11-05 | 1971-09-07 | Automation Prod | Vibrating method and apparatus for determining the physical properties of material |
JPS5143180A (en) * | 1974-10-11 | 1976-04-13 | Toyota Motor Co Ltd | Futatsuno choonpashindomoodoo ryoshita jikuryokusokuteihoho |
US4086809A (en) * | 1977-01-24 | 1978-05-02 | General Electric Company | Acoustic non-intrusive method for check of the set point of a spring-loaded mechanical device |
GB2027539B (en) * | 1978-08-09 | 1983-09-21 | Marconi Co Ltd | Measurement of the density of liquids |
-
1979
- 1979-01-11 JP JP54002089A patent/JPS5838738B2/ja not_active Expired
- 1979-12-27 BR BR7908576A patent/BR7908576A/pt not_active IP Right Cessation
- 1979-12-31 US US06/108,477 patent/US4297872A/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPS5838738B2 (ja) | 1983-08-25 |
JPS5594127A (en) | 1980-07-17 |
US4297872A (en) | 1981-11-03 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
MK | Patent expired |
Effective date: 19941227 |