NO168328C - SPEED METER WITH DIRECTION INDICATOR FOR ROAD Tunnels - Google Patents

SPEED METER WITH DIRECTION INDICATOR FOR ROAD Tunnels

Info

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
Application number
NO893448A
Other languages
Norwegian (no)
Other versions
NO168328B (en
NO893448L (en
NO893448D0 (en
Inventor
Helge Noerstrud
Original Assignee
Inst For Hydro Og Gassdynamikk
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Inst For Hydro Og Gassdynamikk filed Critical Inst For Hydro Og Gassdynamikk
Priority to NO893448A priority Critical patent/NO168328C/en
Publication of NO893448D0 publication Critical patent/NO893448D0/en
Priority to PCT/NO1990/000130 priority patent/WO1991003739A1/en
Publication of NO893448L publication Critical patent/NO893448L/en
Publication of NO168328B publication Critical patent/NO168328B/en
Publication of NO168328C publication Critical patent/NO168328C/en

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)
  • Measuring Volume Flow (AREA)
  • Measuring Fluid Pressure (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)
  • Road Signs Or Road Markings (AREA)
NO893448A 1989-08-29 1989-08-29 SPEED METER WITH DIRECTION INDICATOR FOR ROAD Tunnels NO168328C (en)

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)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

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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