NL76874C - - Google Patents

Info

Publication number
NL76874C
NL76874C NL76874DA NL76874C NL 76874 C NL76874 C NL 76874C NL 76874D A NL76874D A NL 76874DA NL 76874 C NL76874 C NL 76874C
Authority
NL
Netherlands
Application number
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.)
Publication of NL76874C publication Critical patent/NL76874C/xx

Links

Classifications

    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/005Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by using a jet directed into the fluid
    • G01P5/006Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by using a jet directed into the fluid the jet used is composed of ionised or radioactive particles
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01PMEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
    • G01P5/00Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft
    • G01P5/18Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance
    • G01P5/20Measuring speed of fluids, e.g. of air stream; Measuring speed of bodies relative to fluids, e.g. of ship, of aircraft by measuring the time taken to traverse a fixed distance using particles entrained by a fluid stream
NL76874D 1948-08-31 NL76874C (xx)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US47053A US2632326A (en) 1948-08-31 1948-08-31 True air speed indicator of the ionization type

Publications (1)

Publication Number Publication Date
NL76874C true NL76874C (xx)

Family

ID=21946814

Family Applications (1)

Application Number Title Priority Date Filing Date
NL76874D NL76874C (xx) 1948-08-31

Country Status (5)

Country Link
US (1) US2632326A (xx)
BE (1) BE490923A (xx)
FR (1) FR994235A (xx)
GB (1) GB670647A (xx)
NL (1) NL76874C (xx)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2776565A (en) * 1953-02-05 1957-01-08 Honeywell Regulator Co Fluid flow measuring apparatus
US2974525A (en) * 1953-09-08 1961-03-14 Jr Howard W Cole Flowmeter with specific gravity compensator
US3127608A (en) * 1956-08-06 1964-03-31 Gen Electric Object camouflage method and apparatus
US3119259A (en) * 1958-10-24 1964-01-28 M Ten Bosch Inc Airspeed meter
US3239663A (en) * 1961-12-04 1966-03-08 Dresser Ind Velocity measurement utilizing neutron activation of oxygen
US3184967A (en) * 1962-11-14 1965-05-25 Elmer B Rogers Electric charge flow meter
US3262106A (en) * 1963-01-21 1966-07-19 Robert B P Crawford Gaseous hazard detector system and apparatus
GB1300555A (en) * 1969-03-28 1972-12-20 Nat Res Dev Improvements in measuring the density, velocity and mass flow of gases
US3706938A (en) * 1971-03-10 1972-12-19 Us Army Directional ion anemometer
US4186601A (en) * 1977-11-17 1980-02-05 Nissan Motor Company, Limited Mass flow measuring apparatus
GB2131553A (en) * 1982-12-03 1984-06-20 Ass Elect Ind Linear measurements of continuously produced products
GB2217906A (en) * 1988-04-29 1989-11-01 Peter Michael Jeffery Morrish Ion particle accelerometer
US8091433B2 (en) 2005-12-13 2012-01-10 Sentec Limited Ioniser type gas meter having modulating electrode downstream of ioniser
DE102017009995A1 (de) * 2017-10-26 2019-05-02 Rheinisch-Westfälische Technische Hochschule (Rwth) Aachen Vorrichtung und Verfahren zur Bestimmung der Luftgeschwindigkeit

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE483166C (de) * 1929-09-27 Martin Paul Verfahren und Vorrichtung zum Messen der Geschwindigkeit und der Menge stroemender Gase und Daempfe
US1808709A (en) * 1928-10-18 1931-06-02 United Gas Improvement Co Apparatus for metering gaseous fluids

Also Published As

Publication number Publication date
GB670647A (en) 1952-04-23
FR994235A (fr) 1951-11-14
US2632326A (en) 1953-03-24
BE490923A (xx)

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