FR842680A - Improvements made to devices for measuring or controlling the dimensions of parts - Google Patents
Improvements made to devices for measuring or controlling the dimensions of partsInfo
- Publication number
- FR842680A FR842680A FR842680DA FR842680A FR 842680 A FR842680 A FR 842680A FR 842680D A FR842680D A FR 842680DA FR 842680 A FR842680 A FR 842680A
- Authority
- FR
- France
- Prior art keywords
- dimensions
- measuring
- controlling
- devices
- parts
- 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
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B13/00—Measuring arrangements characterised by the use of fluids
- G01B13/02—Measuring arrangements characterised by the use of fluids for measuring length, width or thickness
-
- 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
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Measuring Fluid Pressure (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR842680T | 1938-02-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR842680A true FR842680A (en) | 1939-06-16 |
Family
ID=9311562
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR842680D Expired FR842680A (en) | 1938-02-19 | 1938-02-19 | Improvements made to devices for measuring or controlling the dimensions of parts |
Country Status (2)
Country | Link |
---|---|
FR (1) | FR842680A (en) |
GB (1) | GB508828A (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2486052A (en) * | 1945-10-25 | 1949-10-25 | Moore Products Co | Pneumatic comparator gauge |
US2778218A (en) * | 1953-09-28 | 1957-01-22 | Charles L Sault | Meter and tank calibrating equipment |
US2790320A (en) * | 1954-01-11 | 1957-04-30 | Acf Ind Inc | Pneumatic flow-measuring device for fuel jets |
US4128002A (en) * | 1975-06-16 | 1978-12-05 | Automatic Oil Tools Limited | Meter proving apparatus |
GB2410332A (en) * | 2004-01-20 | 2005-07-27 | Duncan Clive Selby | Device for protecting a differential pressure sensor |
CN106681383B (en) * | 2017-01-23 | 2023-07-28 | 中国科学院理化技术研究所 | A high-precision pressure control device |
-
1938
- 1938-02-19 FR FR842680D patent/FR842680A/en not_active Expired
- 1938-10-05 GB GB28923/38A patent/GB508828A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB508828A (en) | 1939-07-06 |
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