FR865138A - Electrical measuring device - Google Patents
Electrical measuring deviceInfo
- Publication number
- FR865138A FR865138A FR865138DA FR865138A FR 865138 A FR865138 A FR 865138A FR 865138D A FR865138D A FR 865138DA FR 865138 A FR865138 A FR 865138A
- Authority
- FR
- France
- Prior art keywords
- measuring device
- electrical measuring
- electrical
- measuring
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/08—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically
- G01L23/12—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by changing capacitance or inductance
- G01L23/125—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid operated electrically by changing capacitance or inductance by changing capacitance
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/26—Details or accessories
- G01L23/28—Cooling means
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01L—MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE
- G01L23/00—Devices or apparatus for measuring or indicating or recording rapid changes, such as oscillations, in the pressure of steam, gas, or liquid; Indicators for determining work or energy of steam, internal-combustion, or other fluid-pressure engines from the condition of the working fluid
- G01L23/26—Details or accessories
- G01L23/32—Apparatus specially adapted for recording pressure changes measured by indicators
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB865138X | 1939-04-24 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR865138A true FR865138A (en) | 1941-05-14 |
Family
ID=10609913
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR865138D Expired FR865138A (en) | 1939-04-24 | 1940-04-24 | Electrical measuring device |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR865138A (en) |
-
1940
- 1940-04-24 FR FR865138D patent/FR865138A/en not_active Expired
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FR853634A (en) | Measuring devices | |
FR808757A (en) | Electrical calculating device | |
FR847552A (en) | Electrical length measuring device | |
FR865138A (en) | Electrical measuring device | |
FR836009A (en) | Number indicating device | |
FR871586A (en) | Improvements in electrical measuring devices | |
FR879760A (en) | Switchable multiple electrical measuring device | |
FR846801A (en) | Electrical measuring devices | |
FR827147A (en) | Recorder electrical measuring device | |
FR870666A (en) | Measuring device | |
FR49425E (en) | Electrical measuring and telemetry device | |
FR882137A (en) | Electrical calculator device | |
FR863913A (en) | Improvements in electrical measuring devices | |
FR885222A (en) | Measuring device | |
FR863052A (en) | Gravity measuring device | |
FR880055A (en) | Electrical compensation measuring device | |
FR932668A (en) | Improvements to electrical measuring devices | |
FR48306E (en) | Electrical measuring device | |
FR860550A (en) | Electrical connection device | |
FR878362A (en) | Electrical measuring device with non-uniform graduation scale | |
FR852464A (en) | Device for measuring electrical levels | |
FR879317A (en) | Electric light meter | |
FR844883A (en) | Measuring device | |
FR808498A (en) | Electrical measuring device | |
FR858355A (en) | Improvements to electrical measuring devices |