NL7117590A - - Google Patents
Info
- Publication number
- NL7117590A NL7117590A NL7117590A NL7117590A NL7117590A NL 7117590 A NL7117590 A NL 7117590A NL 7117590 A NL7117590 A NL 7117590A NL 7117590 A NL7117590 A NL 7117590A NL 7117590 A NL7117590 A NL 7117590A
- Authority
- NL
- Netherlands
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
- G01F1/05—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
- G01F1/32—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 using swirl flowmeters
- G01F1/3209—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 using swirl flowmeters using Karman vortices
-
- 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
- G01F1/32—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 using swirl flowmeters
- G01F1/3209—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 using swirl flowmeters using Karman vortices
- G01F1/3218—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 using swirl flowmeters using Karman vortices bluff body design
-
- 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
- G01F1/32—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 using swirl flowmeters
- G01F1/325—Means for detecting quantities used as proxy variables for swirl
- G01F1/3273—Means for detecting quantities used as proxy variables for swirl for detecting fluid speed oscillations by thermal sensors
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Measuring Volume Flow (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP45128849A JPS5036990B1 (cg-RX-API-DMAC10.html) | 1970-12-26 | 1970-12-26 | |
| JP46028671A JPS5213100B1 (cg-RX-API-DMAC10.html) | 1971-04-30 | 1971-04-30 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| NL7117590A true NL7117590A (cg-RX-API-DMAC10.html) | 1972-06-28 |
| NL146286B NL146286B (nl) | 1975-06-16 |
Family
ID=26366805
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NL717117590A NL146286B (nl) | 1970-12-26 | 1971-12-21 | Stromingsmeter. |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US3777563A (cg-RX-API-DMAC10.html) |
| CA (1) | CA947998A (cg-RX-API-DMAC10.html) |
| DE (1) | DE2164180C3 (cg-RX-API-DMAC10.html) |
| FR (1) | FR2119043B1 (cg-RX-API-DMAC10.html) |
| GB (1) | GB1337685A (cg-RX-API-DMAC10.html) |
| NL (1) | NL146286B (cg-RX-API-DMAC10.html) |
Families Citing this family (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1512290A (en) * | 1975-11-24 | 1978-06-01 | Agar J Instrumentation Ltd | Method and apparatus for determining fluid flow rate and/or for exercising a control in dependence thereon |
| US4257276A (en) * | 1978-05-29 | 1981-03-24 | Nissan Motor Company, Limited | Probe unit of fluid flow rate measuring apparatus |
| US4312237A (en) * | 1979-12-28 | 1982-01-26 | J-Tec Associates, Inc. | Vortex generating device |
| US4584883A (en) * | 1981-11-10 | 1986-04-29 | Fuji Electric Company, Ltd. | Karman vortex flowmeter |
| US4434656A (en) | 1982-04-08 | 1984-03-06 | Ford Motor Company | Mass air flow sensor |
| US4565092A (en) * | 1984-09-25 | 1986-01-21 | Honeywell Inc. | Flow sensor with adjustable sensitivity |
| DE3637540A1 (de) * | 1986-11-04 | 1988-05-05 | Vdo Schindling | Vorrichtung zur bestimmung der durchflussrichtung |
| US4776213A (en) * | 1987-03-18 | 1988-10-11 | Ford Motor Company | Mass airflow meter |
| DE4102920A1 (de) * | 1990-01-31 | 1991-08-22 | Fraunhofer Ges Forschung | Einrichtung zur messung der wirbelfrequenz |
| GB9613310D0 (en) * | 1996-06-25 | 1996-08-28 | Specialised Lab Equipment Ltd | Hot wire sensor |
| DE19840467C2 (de) * | 1998-09-04 | 2001-03-01 | Jakob Schillinger | Vorrichtung und Verfahren zur Detektion der Strömungsrichtung eines durch einen Strömungskanal strömenden gasförmigen Massenstroms |
| JP3416127B2 (ja) * | 2001-11-07 | 2003-06-16 | 株式会社オーバル | パージ式渦流量計 |
| US6871535B2 (en) * | 2002-08-14 | 2005-03-29 | Hewlett-Packard Development Company, L.P. | Flow direction detector |
| US20060159091A1 (en) * | 2005-01-19 | 2006-07-20 | Arjen Boers | Active multicast information protocol |
| US9599493B2 (en) * | 2014-10-31 | 2017-03-21 | Invensys Systems, Inc. | Split flow vortex flowmeter |
| JP6690899B2 (ja) * | 2015-06-29 | 2020-04-28 | 株式会社デンソー | 空気流量測定装置 |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2870305A (en) * | 1955-04-04 | 1959-01-20 | Ling Sung-Ching | Constructions for anemometers of the hot wire type |
| US3085431A (en) * | 1959-12-28 | 1963-04-16 | Gen Electric | Flow measuring apparatus |
| US3433069A (en) * | 1965-10-01 | 1969-03-18 | Technology Inc | Mass flowmeter structure |
| US3564915A (en) * | 1967-09-27 | 1971-02-23 | Yokogawa Electric Works Ltd | Current meter or flow meter |
| US3691830A (en) * | 1969-07-18 | 1972-09-19 | Yokogawa Electric Works Ltd | Current meter or flow meter |
-
1971
- 1971-11-30 GB GB5549971A patent/GB1337685A/en not_active Expired
- 1971-12-03 CA CA129,301A patent/CA947998A/en not_active Expired
- 1971-12-17 US US00209114A patent/US3777563A/en not_active Expired - Lifetime
- 1971-12-21 NL NL717117590A patent/NL146286B/xx not_active IP Right Cessation
- 1971-12-23 FR FR7146340A patent/FR2119043B1/fr not_active Expired
- 1971-12-23 DE DE2164180A patent/DE2164180C3/de not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| US3777563A (en) | 1973-12-11 |
| DE2164180A1 (de) | 1972-07-20 |
| GB1337685A (en) | 1973-11-21 |
| DE2164180B2 (de) | 1973-08-09 |
| FR2119043A1 (cg-RX-API-DMAC10.html) | 1972-08-04 |
| DE2164180C3 (de) | 1974-03-07 |
| CA947998A (en) | 1974-05-28 |
| NL146286B (nl) | 1975-06-16 |
| FR2119043B1 (cg-RX-API-DMAC10.html) | 1975-02-07 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| TNT | Modifications of names of proprietors of patents or applicants of examined patent applications |
Owner name: YOKOGAWA HOKUSHIN ELECTRIC CORPORATION |
|
| TNT | Modifications of names of proprietors of patents or applicants of examined patent applications |
Owner name: YOKOGAWA ELECTRIC CORPORATION |
|
| NL80 | Abbreviated name of patent owner mentioned of already nullified patent |
Owner name: YOKOGAWA |
|
| V4 | Discontinued because of reaching the maximum lifetime of a patent |