JPS56501417A - - Google Patents
Info
- Publication number
- JPS56501417A JPS56501417A JP50253380A JP50253380A JPS56501417A JP S56501417 A JPS56501417 A JP S56501417A JP 50253380 A JP50253380 A JP 50253380A JP 50253380 A JP50253380 A JP 50253380A JP S56501417 A JPS56501417 A JP S56501417A
- Authority
- JP
- Japan
- 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.)
- Granted
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
- G01F1/76—Devices for measuring mass flow of a fluid or a fluent solid material
- G01F1/78—Direct mass flowmeters
- G01F1/80—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted
- G01F1/82—Direct mass flowmeters operating by measuring pressure, force, momentum, or frequency of a fluid flow to which a rotational movement has been imparted using a driven wheel as impeller and one or more other wheels or moving elements which are angularly restrained by a resilient member, e.g. spring member as the measuring device
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US06/084,061 US4248099A (en) | 1979-10-12 | 1979-10-12 | Mass rate of flow meter with improved fluid drive |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS56501417A true JPS56501417A (enExample) | 1981-10-01 |
| JPS6363843B2 JPS6363843B2 (enExample) | 1988-12-08 |
Family
ID=22182645
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP55502533A Expired JPS6363843B2 (enExample) | 1979-10-12 | 1980-10-10 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US4248099A (enExample) |
| EP (1) | EP0038354B1 (enExample) |
| JP (1) | JPS6363843B2 (enExample) |
| DE (1) | DE3071149D1 (enExample) |
| IT (1) | IT1133841B (enExample) |
| WO (1) | WO1981001053A1 (enExample) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5370001A (en) * | 1993-06-02 | 1994-12-06 | Ametek, Inc. | Angular momentum mass flowmeter |
| FR2721999B1 (fr) * | 1994-06-30 | 1996-08-09 | Contruction De Moteurs D Aviat | Debimetre massique redondant |
| GB2390691B (en) | 2002-07-11 | 2005-11-23 | Rolls Royce Plc | Measurement of fuel flow |
| US7347223B2 (en) * | 2003-07-21 | 2008-03-25 | The Metraflex Company | Pipe flow stabilizer |
| US8353221B2 (en) | 2011-01-20 | 2013-01-15 | Meggit S.A. | Mass flow meter |
| IT201800007022A1 (it) * | 2018-07-09 | 2020-01-09 | Misuratore volumetrico di portata. | |
| KR102088879B1 (ko) * | 2019-08-12 | 2020-03-13 | 동해에코에너지(주) | 자가발전형 스마트 밸브의 원격제어 시스템 |
| US12443208B2 (en) | 2023-02-08 | 2025-10-14 | Rain Bird Corporation | Control zone devices, systems and methods |
| US12498049B2 (en) | 2024-03-29 | 2025-12-16 | Rain Bird Corporation | Zone control devices, systems and methods |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3538767A (en) * | 1968-12-04 | 1970-11-10 | Gen Electric | Flowmeter fluid drive |
| FR2042520B1 (enExample) * | 1969-05-09 | 1974-05-24 | Elliott Bros | |
| US4056976A (en) * | 1976-10-12 | 1977-11-08 | General Electric Company | Mass rate of flow meter |
-
1979
- 1979-10-12 US US06/084,061 patent/US4248099A/en not_active Expired - Lifetime
-
1980
- 1980-10-09 IT IT25229/80A patent/IT1133841B/it active
- 1980-10-10 DE DE8080902158T patent/DE3071149D1/de not_active Expired
- 1980-10-10 JP JP55502533A patent/JPS6363843B2/ja not_active Expired
- 1980-10-10 WO PCT/US1980/001347 patent/WO1981001053A1/en not_active Ceased
-
1981
- 1981-04-21 EP EP80902158A patent/EP0038354B1/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| EP0038354A4 (en) | 1983-11-14 |
| EP0038354A1 (en) | 1981-10-28 |
| DE3071149D1 (en) | 1985-11-07 |
| EP0038354B1 (en) | 1985-10-02 |
| IT8025229A0 (it) | 1980-10-09 |
| WO1981001053A1 (en) | 1981-04-16 |
| US4248099A (en) | 1981-02-03 |
| IT1133841B (it) | 1986-07-24 |
| JPS6363843B2 (enExample) | 1988-12-08 |