FR540407A - Improvements to rotary piston water meters - Google Patents
Improvements to rotary piston water metersInfo
- Publication number
- FR540407A FR540407A FR540407DA FR540407A FR 540407 A FR540407 A FR 540407A FR 540407D A FR540407D A FR 540407DA FR 540407 A FR540407 A FR 540407A
- Authority
- FR
- France
- Prior art keywords
- rotary piston
- water meters
- piston water
- meters
- rotary
- 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
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F3/00—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow
- G01F3/02—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement
- G01F3/04—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having rigid movable walls
- G01F3/06—Measuring the volume flow of fluids or fluent solid material wherein the fluid passes through the meter in successive and more or less isolated quantities, the meter being driven by the flow with measuring chambers which expand or contract during measurement having rigid movable walls comprising members rotating in a fluid-tight or substantially fluid-tight manner in a housing
- G01F3/08—Rotary-piston or ring-piston meters
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR540407T | 1921-01-31 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR540407A true FR540407A (en) | 1922-07-11 |
Family
ID=8929446
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR540407D Expired FR540407A (en) | 1921-01-31 | 1921-01-31 | Improvements to rotary piston water meters |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR540407A (en) |
-
1921
- 1921-01-31 FR FR540407D patent/FR540407A/en not_active Expired
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