SE7809760L - Tryckmetapparat med vibrerande trad - Google Patents
Tryckmetapparat med vibrerande tradInfo
- Publication number
- SE7809760L SE7809760L SE7809760A SE7809760A SE7809760L SE 7809760 L SE7809760 L SE 7809760L SE 7809760 A SE7809760 A SE 7809760A SE 7809760 A SE7809760 A SE 7809760A SE 7809760 L SE7809760 L SE 7809760L
- Authority
- SE
- Sweden
- Prior art keywords
- pressure device
- vibrating thread
- vibrating
- thread
- pressure
- 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
- G01L9/0001—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
- G01L9/0013—Transmitting or indicating the displacement of elastically deformable gauges by electric, electro-mechanical, magnetic or electro-magnetic means using vibrations of a string
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Fluid Pressure (AREA)
- Materials For Medical Uses (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/834,481 US4165651A (en) | 1977-09-19 | 1977-09-19 | Pressure measuring apparatus using vibratable wire |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7809760L true SE7809760L (sv) | 1979-03-20 |
| SE437888B SE437888B (sv) | 1985-03-18 |
Family
ID=25267039
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7809760A SE437888B (sv) | 1977-09-19 | 1978-09-15 | Instrument med vibrerbar trad for alstrande av en metsignal motsvarande en anbragt tryckskillnad |
Country Status (13)
| Country | Link |
|---|---|
| US (1) | US4165651A (sv) |
| JP (1) | JPS5853301B2 (sv) |
| AU (1) | AU518094B2 (sv) |
| BR (1) | BR7806003A (sv) |
| DE (1) | DE2840286C2 (sv) |
| FI (1) | FI68318C (sv) |
| FR (1) | FR2403551A1 (sv) |
| GB (1) | GB2004649B (sv) |
| IT (1) | IT1105963B (sv) |
| MX (1) | MX147714A (sv) |
| NL (1) | NL7809530A (sv) |
| NO (1) | NO152713C (sv) |
| SE (1) | SE437888B (sv) |
Families Citing this family (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4277973A (en) * | 1978-12-04 | 1981-07-14 | Ivor Hawkes | Vibratory wire strain gage |
| US4255973A (en) * | 1979-11-07 | 1981-03-17 | The United States Of America As Represented By The United States Department Of Energy | Digital pressure transducer for use at high temperatures |
| US4372164A (en) * | 1980-06-02 | 1983-02-08 | The Foxboro Company | Industrial process control instrument employing a resonant sensor |
| EP0087612A3 (en) * | 1982-02-26 | 1984-04-11 | The Foxboro Company | Pressure-to-frequency transducer |
| US4471660A (en) * | 1982-02-26 | 1984-09-18 | The Foxboro Company | Process control instrument using a pneumatically driven resonant element |
| US4638656A (en) * | 1984-10-17 | 1987-01-27 | The Foxboro Company | Apparatus and method for calibrating span of pressure measuring instruments |
| US4708010A (en) * | 1984-10-17 | 1987-11-24 | The Foxboro Company | Apparatus and method for calibrating span of pressure measuring instruments |
| EP0438373B1 (de) * | 1990-01-18 | 1994-09-28 | Wirth Gallo Messtechnik Ag | Differenzdruckmesser |
| JP4757536B2 (ja) * | 2005-05-17 | 2011-08-24 | ローレル精機株式会社 | 包装硬貨搬送装置 |
| US9048521B2 (en) | 2011-03-24 | 2015-06-02 | Etegent Technologies, Ltd. | Broadband waveguide |
| US9182306B2 (en) | 2011-06-22 | 2015-11-10 | Etegent Technologies, Ltd. | Environmental sensor with tensioned wire exhibiting varying transmission characteristics in response to environmental conditions |
| CN103017970B (zh) * | 2012-11-30 | 2014-10-29 | 合肥工业大学 | 平衡式水压力传感器及其测试方法 |
| US20160294033A1 (en) | 2013-11-01 | 2016-10-06 | Etegent Technologies Ltd. | Broadband Waveguide |
| US10352778B2 (en) | 2013-11-01 | 2019-07-16 | Etegent Technologies, Ltd. | Composite active waveguide temperature sensor for harsh environments |
| US10852277B2 (en) | 2014-04-09 | 2020-12-01 | Etegent Technologies, Ltd. | Active waveguide excitation and compensation |
| US11686627B2 (en) | 2017-04-10 | 2023-06-27 | Etegent Technologies Ltd. | Distributed active mechanical waveguide sensor driven at multiple frequencies and including frequency-dependent reflectors |
| CN113091883B (zh) * | 2021-04-02 | 2022-05-27 | 厦门邦创信息技术有限公司 | 一种拉力保持结构、拉力保持装置及振弦式设备 |
Family Cites Families (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR985978A (fr) * | 1943-11-23 | 1951-07-25 | Capsule manométrique acoustique | |
| US2455021A (en) * | 1944-01-29 | 1948-11-30 | Interval Instr Inc | Pressure meter |
| FR1206846A (fr) * | 1957-05-20 | 1960-02-11 | Borg Warner | Transducteur de différence de pression |
| US3005135A (en) * | 1958-06-04 | 1961-10-17 | Borg Warner | Servomotor control systems employing transducers |
| US3010322A (en) * | 1959-01-22 | 1961-11-28 | Borg Warner | Pressure responsive devices and systems therefor |
| US3140613A (en) * | 1960-07-26 | 1964-07-14 | Hitachi Ltd | Differential pressure transmitters |
| US3393565A (en) * | 1965-04-05 | 1968-07-23 | Klee Gerhard | Pressure transducer |
| DE1498205B2 (de) * | 1965-09-16 | 1970-06-11 | Siemens AG, 1000 Berlin u. 8000 München | Mit einer Schutz- oder Dämpfungsflüs-' sigkeit gefüllter überlastsicherer Differenzdruck-Meßumformer |
| GB1288378A (sv) * | 1968-11-18 | 1972-09-06 | ||
| US3990309A (en) * | 1975-09-08 | 1976-11-09 | Htl Industries, Inc. | Temperature compensated pressure limited gauge |
-
1977
- 1977-09-19 US US05/834,481 patent/US4165651A/en not_active Expired - Lifetime
-
1978
- 1978-09-01 AU AU39497/78A patent/AU518094B2/en not_active Expired
- 1978-09-14 NO NO783120A patent/NO152713C/no unknown
- 1978-09-14 BR BR7806003A patent/BR7806003A/pt unknown
- 1978-09-15 SE SE7809760A patent/SE437888B/sv not_active IP Right Cessation
- 1978-09-15 DE DE2840286A patent/DE2840286C2/de not_active Expired
- 1978-09-15 GB GB7837030A patent/GB2004649B/en not_active Expired
- 1978-09-18 FI FI782846A patent/FI68318C/fi not_active IP Right Cessation
- 1978-09-19 JP JP53115030A patent/JPS5853301B2/ja not_active Expired
- 1978-09-19 IT IT51139/78A patent/IT1105963B/it active
- 1978-09-19 FR FR7826802A patent/FR2403551A1/fr active Granted
- 1978-09-19 NL NL7809530A patent/NL7809530A/xx not_active Application Discontinuation
- 1978-09-19 MX MX174935A patent/MX147714A/es unknown
Also Published As
| Publication number | Publication date |
|---|---|
| NO783120L (no) | 1979-03-20 |
| MX147714A (es) | 1983-01-06 |
| NO152713C (no) | 1985-11-06 |
| AU3949778A (en) | 1980-03-06 |
| JPS5456880A (en) | 1979-05-08 |
| BR7806003A (pt) | 1979-04-24 |
| FR2403551B1 (sv) | 1983-11-18 |
| NO152713B (no) | 1985-07-29 |
| US4165651A (en) | 1979-08-28 |
| SE437888B (sv) | 1985-03-18 |
| JPS5853301B2 (ja) | 1983-11-28 |
| FI68318C (fi) | 1985-08-12 |
| FR2403551A1 (fr) | 1979-04-13 |
| AU518094B2 (en) | 1981-09-10 |
| FI68318B (fi) | 1985-04-30 |
| DE2840286A1 (de) | 1979-03-29 |
| DE2840286C2 (de) | 1985-05-15 |
| FI782846A (fi) | 1979-03-20 |
| NL7809530A (nl) | 1979-03-21 |
| GB2004649A (en) | 1979-04-04 |
| IT7851139A0 (it) | 1978-09-19 |
| IT1105963B (it) | 1985-11-11 |
| GB2004649B (en) | 1982-03-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
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| NUG | Patent has lapsed |
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