IT1049313B - Apparecchiatura meccanica di regolazione dell escursione e del punto di zero per trasduttori di pressione - Google Patents
Apparecchiatura meccanica di regolazione dell escursione e del punto di zero per trasduttori di pressioneInfo
- Publication number
- IT1049313B IT1049313B IT27787/74A IT2778774A IT1049313B IT 1049313 B IT1049313 B IT 1049313B IT 27787/74 A IT27787/74 A IT 27787/74A IT 2778774 A IT2778774 A IT 2778774A IT 1049313 B IT1049313 B IT 1049313B
- Authority
- IT
- Italy
- Prior art keywords
- excursion
- adjusting
- zero point
- mechanical equipment
- pressure transducers
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
- G01F1/05—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects
- G01F1/34—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure
- G01F1/36—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction
- G01F1/38—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow by using mechanical effects by measuring pressure or differential pressure the pressure or differential pressure being created by the use of flow constriction the pressure or differential pressure being measured by means of a movable element, e.g. diaphragm, piston, Bourdon tube or flexible capsule
-
- 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
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0042—Constructional details associated with semiconductive diaphragm sensors, e.g. etching, or constructional details of non-semiconductive diaphragms
- G01L9/0044—Constructional details of non-semiconductive diaphragms
-
- 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
- G01L9/0041—Transmitting or indicating the displacement of flexible diaphragms
- G01L9/0051—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance
- G01L9/006—Transmitting or indicating the displacement of flexible diaphragms using variations in ohmic resistance of metallic strain gauges fixed to an element other than the pressure transmitting diaphragm
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US402336A US3926055A (en) | 1973-10-01 | 1973-10-01 | Mechanical span and zero adjustment apparatus for pressure transducers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| IT1049313B true IT1049313B (it) | 1981-01-20 |
Family
ID=23591476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| IT27787/74A IT1049313B (it) | 1973-10-01 | 1974-09-27 | Apparecchiatura meccanica di regolazione dell escursione e del punto di zero per trasduttori di pressione |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US3926055A (it) |
| JP (1) | JPS51139374A (it) |
| CA (1) | CA1025233A (it) |
| DE (1) | DE2444935A1 (it) |
| FR (1) | FR2246857A1 (it) |
| GB (1) | GB1485281A (it) |
| IT (1) | IT1049313B (it) |
| NL (1) | NL7412509A (it) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4370890A (en) * | 1980-10-06 | 1983-02-01 | Rosemount Inc. | Capacitive pressure transducer with isolated sensing diaphragm |
| US4778159A (en) * | 1987-02-09 | 1988-10-18 | Itt Corporation | Adjustable range spring for differential pressure responsive devices |
| US4872355A (en) * | 1988-05-20 | 1989-10-10 | Rohrberg Roderick G | Microcube interconnection hardware |
| DE10313986B4 (de) * | 2003-03-27 | 2005-02-10 | Armaturenbau Gmbh | Federelastisches Messelement |
| DE102008040557B4 (de) * | 2008-07-18 | 2023-06-01 | Wika Alexander Wiegand Se & Co. Kg | Druckmessgerät |
| JP6931343B2 (ja) * | 2018-09-25 | 2021-09-01 | 長野計器株式会社 | 物理量測定装置 |
Family Cites Families (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2561700A (en) * | 1947-09-27 | 1951-07-24 | Infilco Inc | Differential pressure gauge |
| US2729104A (en) * | 1948-12-20 | 1956-01-03 | Charles D Hirst | Pressure indicating and recording machines for internal combustion engines |
| US3077772A (en) * | 1960-09-23 | 1963-02-19 | Scott Testers Inc | Force measuring apparatus |
| US3136130A (en) * | 1960-10-12 | 1964-06-09 | Rockwell Mfg Co | Pressure responsive measuring device |
| US3104546A (en) * | 1961-06-15 | 1963-09-24 | Kollsman Instr Corp | Safe flight airspeed mechanism |
| US3160007A (en) * | 1962-05-03 | 1964-12-08 | Taylor Instrument Co | Force balance measuring instrument |
| US3343420A (en) * | 1963-11-29 | 1967-09-26 | Hitachi Ltd | Differential pressure transmitters |
| US3646815A (en) * | 1970-03-26 | 1972-03-07 | Bailey Meter Co | Silicon pressure transducer circuit |
-
1973
- 1973-10-01 US US402336A patent/US3926055A/en not_active Expired - Lifetime
-
1974
- 1974-09-20 DE DE19742444935 patent/DE2444935A1/de active Pending
- 1974-09-23 NL NL7412509A patent/NL7412509A/xx not_active Application Discontinuation
- 1974-09-27 IT IT27787/74A patent/IT1049313B/it active
- 1974-09-30 CA CA210,401A patent/CA1025233A/en not_active Expired
- 1974-10-01 GB GB42563/74A patent/GB1485281A/en not_active Expired
- 1974-10-01 JP JP49113256A patent/JPS51139374A/ja active Pending
- 1974-10-01 FR FR7433016A patent/FR2246857A1/fr not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL7412509A (nl) | 1975-04-03 |
| US3926055A (en) | 1975-12-16 |
| GB1485281A (en) | 1977-09-08 |
| JPS51139374A (en) | 1976-12-01 |
| DE2444935A1 (de) | 1975-04-17 |
| CA1025233A (en) | 1978-01-31 |
| FR2246857A1 (it) | 1975-05-02 |
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