IT954391B - Trasduttore a pressione di fluido - Google Patents
Trasduttore a pressione di fluidoInfo
- Publication number
- IT954391B IT954391B IT49200/72A IT4920072A IT954391B IT 954391 B IT954391 B IT 954391B IT 49200/72 A IT49200/72 A IT 49200/72A IT 4920072 A IT4920072 A IT 4920072A IT 954391 B IT954391 B IT 954391B
- Authority
- IT
- Italy
- Prior art keywords
- fluid pressure
- pressure transducer
- transducer
- fluid
- pressure
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L11/00—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00
- G01L11/004—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces
- G01L11/008—Measuring steady or quasi-steady pressure of a fluid or a fluent solid material by means not provided for in group G01L7/00 or G01L9/00 by the use of counterbalancing forces electrostatic or electromagnetic counterbalancing forces
-
- 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
- G01L9/0033—Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means
- G01L9/0038—Transmitting or indicating the displacement of bellows by electric, electromechanical, magnetic, or electromagnetic means using variations in capacitance
-
- 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
- G01L9/12—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 by making use of variations in capacitance, i.e. electric circuits therefor
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB821771 | 1971-03-26 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT954391B true IT954391B (it) | 1973-08-30 |
Family
ID=9848181
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT49200/72A IT954391B (it) | 1971-03-26 | 1972-03-24 | Trasduttore a pressione di fluido |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US3777570A (it) |
| DE (1) | DE2214752A1 (it) |
| FR (1) | FR2130728B1 (it) |
| IT (1) | IT954391B (it) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3906799A (en) * | 1974-03-11 | 1975-09-23 | Cons Airborne Systems | Pressure responsive measuring instruments |
| US4875368A (en) * | 1987-09-08 | 1989-10-24 | Panex Corporation | Pressure sensor system |
| US6477404B1 (en) | 2000-03-01 | 2002-11-05 | Cardiac Pacemakers, Inc. | System and method for detection of pacing pulses within ECG signals |
| US6699265B1 (en) | 2000-11-03 | 2004-03-02 | Cardiac Pacemakers, Inc. | Flat capacitor for an implantable medical device |
| US6522525B1 (en) | 2000-11-03 | 2003-02-18 | Cardiac Pacemakers, Inc. | Implantable heart monitors having flat capacitors with curved profiles |
| US6687118B1 (en) | 2000-11-03 | 2004-02-03 | Cardiac Pacemakers, Inc. | Flat capacitor having staked foils and edge-connected connection members |
| US7456077B2 (en) | 2000-11-03 | 2008-11-25 | Cardiac Pacemakers, Inc. | Method for interconnecting anodes and cathodes in a flat capacitor |
| US6571126B1 (en) | 2000-11-03 | 2003-05-27 | Cardiac Pacemakers, Inc. | Method of constructing a capacitor stack for a flat capacitor |
| US6509588B1 (en) * | 2000-11-03 | 2003-01-21 | Cardiac Pacemakers, Inc. | Method for interconnecting anodes and cathodes in a flat capacitor |
| US6833987B1 (en) | 2000-11-03 | 2004-12-21 | Cardiac Pacemakers, Inc. | Flat capacitor having an active case |
| US7107099B1 (en) | 2000-11-03 | 2006-09-12 | Cardiac Pacemakers, Inc. | Capacitor having a feedthrough assembly with a coupling member |
| US7355841B1 (en) | 2000-11-03 | 2008-04-08 | Cardiac Pacemakers, Inc. | Configurations and methods for making capacitor connections |
| US6684102B1 (en) | 2000-11-03 | 2004-01-27 | Cardiac Pacemakers, Inc. | Implantable heart monitors having capacitors with endcap headers |
| US7479349B2 (en) | 2002-12-31 | 2009-01-20 | Cardiac Pacemakers, Inc. | Batteries including a flat plate design |
| US7951479B2 (en) | 2005-05-11 | 2011-05-31 | Cardiac Pacemakers, Inc. | Method and apparatus for porous insulative film for insulating energy source layers |
| US7224575B2 (en) | 2004-07-16 | 2007-05-29 | Cardiac Pacemakers, Inc. | Method and apparatus for high voltage aluminum capacitor design |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3140450A (en) * | 1961-02-13 | 1964-07-07 | Edcliff Instr Inc | Force controlled variable reactance transducer |
| US3372594A (en) * | 1966-04-11 | 1968-03-12 | Gen Electric | Compensation system for differential pressure measuring device |
| US3520183A (en) * | 1967-10-12 | 1970-07-14 | Plas Tech Equipment Corp | Apparatus for measuring changes in displacement in a body |
| US3479879A (en) * | 1968-03-29 | 1969-11-25 | Schwien Eng Inc | Manometer |
-
1972
- 1972-03-22 US US00237022A patent/US3777570A/en not_active Expired - Lifetime
- 1972-03-23 FR FR727210934A patent/FR2130728B1/fr not_active Expired
- 1972-03-24 IT IT49200/72A patent/IT954391B/it active
- 1972-03-25 DE DE19722214752 patent/DE2214752A1/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| FR2130728A1 (it) | 1972-11-03 |
| DE2214752A1 (de) | 1972-10-12 |
| FR2130728B1 (it) | 1973-06-29 |
| US3777570A (en) | 1973-12-11 |
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