ZA841622B - Fluid-flow transducer - Google Patents
Fluid-flow transducerInfo
- Publication number
- ZA841622B ZA841622B ZA841622A ZA841622A ZA841622B ZA 841622 B ZA841622 B ZA 841622B ZA 841622 A ZA841622 A ZA 841622A ZA 841622 A ZA841622 A ZA 841622A ZA 841622 B ZA841622 B ZA 841622B
- Authority
- ZA
- South Africa
- Prior art keywords
- spindle
- valve member
- throat
- housing
- bearing
- Prior art date
Links
- 238000011144 upstream manufacturing Methods 0.000 abstract 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 238000003780 insertion Methods 0.000 abstract 1
- 238000007689 inspection Methods 0.000 abstract 1
- 238000003754 machining Methods 0.000 abstract 1
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
- G01F1/40—Details of construction of the flow constriction devices
- G01F1/42—Orifices or nozzles
-
- 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
- G01F1/20—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 detection of dynamic effects of the flow
- G01F1/22—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 detection of dynamic effects of the flow by variable-area meters, e.g. rotameters
- G01F1/26—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 detection of dynamic effects of the flow by variable-area meters, e.g. rotameters of the valve type
-
- 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)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Fluid-Pressure Circuits (AREA)
- Paper (AREA)
- Flow Control (AREA)
- Control Of Fluid Pressure (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB838305926A GB8305926D0 (en) | 1983-03-03 | 1983-03-03 | Fluid flow sensors |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ZA841622B true ZA841622B (en) | 1984-10-31 |
Family
ID=10538953
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ZA841622A ZA841622B (en) | 1983-03-03 | 1984-03-05 | Fluid-flow transducer |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US4552027A (xx) |
| EP (1) | EP0124218B1 (xx) |
| JP (1) | JPS59218517A (xx) |
| AT (1) | ATE29585T1 (xx) |
| AU (1) | AU569062B2 (xx) |
| CA (1) | CA1205652A (xx) |
| DE (1) | DE3466067D1 (xx) |
| ES (1) | ES8507232A1 (xx) |
| GB (1) | GB8305926D0 (xx) |
| ZA (1) | ZA841622B (xx) |
Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE8405226D0 (sv) * | 1984-10-19 | 1984-10-19 | Alfa Laval Marine Power Eng | Flodesvakt |
| US4688433A (en) * | 1985-07-15 | 1987-08-25 | Pall Corporation | Flow sensing device |
| EP0244976A1 (en) * | 1986-04-21 | 1987-11-11 | Vickers Systems Limited | Flow sensor |
| GB8625705D0 (en) * | 1986-10-28 | 1986-12-03 | Cuthbert R M | Variable orifice flow meter |
| GB8712851D0 (en) * | 1987-06-02 | 1987-07-08 | Fluid Devices Ltd | Transducer for fluid flow |
| US4993269A (en) * | 1988-12-16 | 1991-02-19 | Bird Products Corporation | Variable orifice flow sensing apparatus |
| US5009244A (en) * | 1989-08-17 | 1991-04-23 | Grindley, Inc. | Fire fighting foam mixing system |
| DE4229382A1 (de) * | 1992-09-03 | 1994-03-10 | Knorr Bremse Ag | Durchflußmesser zur Bestimmung strömender Medien |
| ES2207623T3 (es) | 1994-10-14 | 2004-06-01 | Bird Products Corporation | Valvula de exhalacion. |
| US6135967A (en) * | 1999-04-26 | 2000-10-24 | Fiorenza; Anthony Joseph | Respiratory ventilator with automatic flow calibration |
| US6240919B1 (en) | 1999-06-07 | 2001-06-05 | Macdonald John J. | Method for providing respiratory airway support pressure |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2574866A (en) * | 1947-02-25 | 1951-11-13 | Henry W Fahrlander | Magnetic flow gauge |
| US3805611B1 (en) * | 1972-12-11 | 1993-09-14 | Fluid flow meter | |
| DE2360097A1 (de) * | 1973-12-03 | 1975-06-12 | Grefe Gmbh Ludwig | Durchflussmesser |
| GB1490989A (en) * | 1975-03-24 | 1977-11-09 | Secretary Industry Brit | Flow rate meters |
| GB1566251A (en) * | 1976-10-15 | 1980-04-30 | Gervase Instr Ltd | Flow meters |
| DE2919192A1 (de) * | 1978-05-26 | 1979-11-29 | Sperry Rand Corp | Durchflussmesseinrichtung |
| DE2931215A1 (de) * | 1979-08-01 | 1981-02-19 | Rexroth Gmbh G L | Durchflussmessgeraet |
| US4368646A (en) * | 1980-03-18 | 1983-01-18 | Irion & Vosseler, Zahlerfabrik | Flow meter for liquid or gaseous media |
| US4366718A (en) * | 1981-01-26 | 1983-01-04 | Deere & Company | Bi-directional flow transducer |
-
1983
- 1983-03-03 GB GB838305926A patent/GB8305926D0/en active Pending
-
1984
- 1984-03-01 AT AT84301353T patent/ATE29585T1/de active
- 1984-03-01 EP EP84301353A patent/EP0124218B1/en not_active Expired
- 1984-03-01 US US06/585,144 patent/US4552027A/en not_active Expired - Lifetime
- 1984-03-01 DE DE8484301353T patent/DE3466067D1/de not_active Expired
- 1984-03-02 ES ES530616A patent/ES8507232A1/es not_active Expired
- 1984-03-02 AU AU25244/84A patent/AU569062B2/en not_active Expired
- 1984-03-03 JP JP59041218A patent/JPS59218517A/ja not_active Expired - Lifetime
- 1984-03-05 ZA ZA841622A patent/ZA841622B/xx unknown
- 1984-03-05 CA CA000448852A patent/CA1205652A/en not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| AU2524484A (en) | 1984-09-06 |
| ES530616A0 (es) | 1985-09-01 |
| JPS59218517A (ja) | 1984-12-08 |
| ATE29585T1 (de) | 1987-09-15 |
| ES8507232A1 (es) | 1985-09-01 |
| CA1205652A (en) | 1986-06-10 |
| AU569062B2 (en) | 1988-01-21 |
| GB8305926D0 (en) | 1983-04-07 |
| DE3466067D1 (en) | 1987-10-15 |
| EP0124218A1 (en) | 1984-11-07 |
| US4552027A (en) | 1985-11-12 |
| EP0124218B1 (en) | 1987-09-09 |
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