NO168328C - SPEED METER WITH DIRECTION INDICATOR FOR ROAD Tunnels - Google Patents
SPEED METER WITH DIRECTION INDICATOR FOR ROAD TunnelsInfo
- Publication number
- NO168328C NO168328C NO893448A NO893448A NO168328C NO 168328 C NO168328 C NO 168328C NO 893448 A NO893448 A NO 893448A NO 893448 A NO893448 A NO 893448A NO 168328 C NO168328 C NO 168328C
- Authority
- NO
- Norway
- Prior art keywords
- direction indicator
- speed meter
- road tunnels
- tunnels
- road
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P5/00—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
- G01P5/14—Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring differences of pressure in the fluid
Landscapes
- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Excavating Of Shafts Or Tunnels (AREA)
- Road Signs Or Road Markings (AREA)
- Measuring Volume Flow (AREA)
- Measuring Fluid Pressure (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO893448A NO168328C (en) | 1989-08-29 | 1989-08-29 | SPEED METER WITH DIRECTION INDICATOR FOR ROAD Tunnels |
PCT/NO1990/000130 WO1991003739A1 (en) | 1989-08-29 | 1990-08-17 | Flow speed meter for channels or road tunnels |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NO893448A NO168328C (en) | 1989-08-29 | 1989-08-29 | SPEED METER WITH DIRECTION INDICATOR FOR ROAD Tunnels |
Publications (4)
Publication Number | Publication Date |
---|---|
NO893448D0 NO893448D0 (en) | 1989-08-29 |
NO893448L NO893448L (en) | 1991-03-01 |
NO168328B NO168328B (en) | 1991-10-28 |
NO168328C true NO168328C (en) | 1992-02-05 |
Family
ID=19892352
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO893448A NO168328C (en) | 1989-08-29 | 1989-08-29 | SPEED METER WITH DIRECTION INDICATOR FOR ROAD Tunnels |
Country Status (2)
Country | Link |
---|---|
NO (1) | NO168328C (en) |
WO (1) | WO1991003739A1 (en) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2000075674A1 (en) * | 1999-06-02 | 2000-12-14 | The University Of British Columbia | Differential pressure velocimeter with probe body having disk shape |
DE10359540A1 (en) * | 2003-12-17 | 2005-07-14 | Tlt-Turbo Gmbh | Device and method for determining the flow velocity |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1056513A (en) * | 1910-02-12 | 1913-03-18 | Gen Electric | Meter for measuring elastic fluids. |
US2687645A (en) * | 1950-03-02 | 1954-08-31 | Askania Regulator Co | Differential pressure flow rate measurement device |
US4008611A (en) * | 1975-07-01 | 1977-02-22 | S. P. Kinney Engineers, Inc. | Fluid flow measuring apparatus |
GB1574702A (en) * | 1977-01-10 | 1980-09-10 | Tekflo Ltd | Fluid flow measuring assembly |
GB2043917B (en) * | 1979-01-25 | 1983-02-23 | Fincoil Teollisuus Oy | Apparatus for determining the differential pressure and rate in a conduit |
US4290314A (en) * | 1979-04-09 | 1981-09-22 | Rosemount Inc. | Target flowmeter |
SE434435B (en) * | 1979-11-07 | 1984-07-23 | Stifab Ab | Measuring device for determining gas flow through ducts and pipes and use of such measuring device as a measurement indicator for air flow regulation |
SE436303B (en) * | 1982-04-23 | 1984-11-26 | Stifab Ab | ONE AS INSERTABLE, IN A CHANNEL SECTION OR PIPE PIECE, A CONSTRUCTIVE UNIT MADE METHOD FOR DETERMINING GAS FLOW THROUGH THE CHANNEL / PIPE |
JPS6333663A (en) * | 1986-07-28 | 1988-02-13 | Yamatake Honeywell Co Ltd | Flow speed measuring apparatus |
-
1989
- 1989-08-29 NO NO893448A patent/NO168328C/en unknown
-
1990
- 1990-08-17 WO PCT/NO1990/000130 patent/WO1991003739A1/en unknown
Also Published As
Publication number | Publication date |
---|---|
WO1991003739A1 (en) | 1991-03-21 |
NO168328B (en) | 1991-10-28 |
NO893448L (en) | 1991-03-01 |
NO893448D0 (en) | 1989-08-29 |
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