SE437888B - Instrument med vibrerbar trad for alstrande av en metsignal motsvarande en anbragt tryckskillnad - Google Patents
Instrument med vibrerbar trad for alstrande av en metsignal motsvarande en anbragt tryckskillnadInfo
- Publication number
- SE437888B SE437888B SE7809760A SE7809760A SE437888B SE 437888 B SE437888 B SE 437888B SE 7809760 A SE7809760 A SE 7809760A SE 7809760 A SE7809760 A SE 7809760A SE 437888 B SE437888 B SE 437888B
- Authority
- SE
- Sweden
- Prior art keywords
- wire
- instrument according
- spring
- membrane
- force
- 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 SE7809760L (sv) | 1979-03-20 |
SE437888B true 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 (it) |
JP (1) | JPS5853301B2 (it) |
AU (1) | AU518094B2 (it) |
BR (1) | BR7806003A (it) |
DE (1) | DE2840286C2 (it) |
FI (1) | FI68318C (it) |
FR (1) | FR2403551A1 (it) |
GB (1) | GB2004649B (it) |
IT (1) | IT1105963B (it) |
MX (1) | MX147714A (it) |
NL (1) | NL7809530A (it) |
NO (1) | NO152713C (it) |
SE (1) | SE437888B (it) |
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 |
US4471660A (en) * | 1982-02-26 | 1984-09-18 | The Foxboro Company | Process control instrument using a pneumatically driven resonant element |
EP0087612A3 (en) * | 1982-02-26 | 1984-04-11 | The Foxboro Company | Pressure-to-frequency transducer |
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 |
US10352778B2 (en) | 2013-11-01 | 2019-07-16 | Etegent Technologies, Ltd. | Composite active waveguide temperature sensor for harsh environments |
WO2015066494A2 (en) | 2013-11-01 | 2015-05-07 | Etegent Technologies Ltd. | Broadband waveguide |
WO2015157488A1 (en) | 2014-04-09 | 2015-10-15 | Etegent Technologies Ltd. | Active waveguide excitation and compensation |
WO2018191290A1 (en) | 2017-04-10 | 2018-10-18 | Etegent Technologies Ltd. | Distributed active mechanical waveguide sensor with damping |
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 (it) * | 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 BR BR7806003A patent/BR7806003A/pt unknown
- 1978-09-14 NO NO783120A patent/NO152713C/no unknown
- 1978-09-15 SE SE7809760A patent/SE437888B/sv not_active IP Right Cessation
- 1978-09-15 GB GB7837030A patent/GB2004649B/en not_active Expired
- 1978-09-15 DE DE2840286A patent/DE2840286C2/de not_active Expired
- 1978-09-18 FI FI782846A patent/FI68318C/fi not_active IP Right Cessation
- 1978-09-19 MX MX174935A patent/MX147714A/es unknown
- 1978-09-19 JP JP53115030A patent/JPS5853301B2/ja not_active Expired
- 1978-09-19 NL NL7809530A patent/NL7809530A/xx not_active Application Discontinuation
- 1978-09-19 FR FR7826802A patent/FR2403551A1/fr active Granted
- 1978-09-19 IT IT51139/78A patent/IT1105963B/it active
Also Published As
Publication number | Publication date |
---|---|
JPS5853301B2 (ja) | 1983-11-28 |
FI68318C (fi) | 1985-08-12 |
NL7809530A (nl) | 1979-03-21 |
FI782846A (fi) | 1979-03-20 |
US4165651A (en) | 1979-08-28 |
DE2840286C2 (de) | 1985-05-15 |
DE2840286A1 (de) | 1979-03-29 |
MX147714A (es) | 1983-01-06 |
FR2403551B1 (it) | 1983-11-18 |
AU3949778A (en) | 1980-03-06 |
NO152713B (no) | 1985-07-29 |
FI68318B (fi) | 1985-04-30 |
GB2004649B (en) | 1982-03-10 |
GB2004649A (en) | 1979-04-04 |
NO783120L (no) | 1979-03-20 |
NO152713C (no) | 1985-11-06 |
SE7809760L (sv) | 1979-03-20 |
AU518094B2 (en) | 1981-09-10 |
JPS5456880A (en) | 1979-05-08 |
IT1105963B (it) | 1985-11-11 |
IT7851139A0 (it) | 1978-09-19 |
BR7806003A (pt) | 1979-04-24 |
FR2403551A1 (fr) | 1979-04-13 |
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