WO2000063660A3 - Apparatus for measurement of particle or droplet velocity - Google Patents
Apparatus for measurement of particle or droplet velocity Download PDFInfo
- Publication number
- WO2000063660A3 WO2000063660A3 PCT/US2000/010794 US0010794W WO0063660A3 WO 2000063660 A3 WO2000063660 A3 WO 2000063660A3 US 0010794 W US0010794 W US 0010794W WO 0063660 A3 WO0063660 A3 WO 0063660A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- paths
- beams
- along
- droplet
- light
- Prior art date
Links
- 238000005259 measurement Methods 0.000 title 1
- 239000002245 particle Substances 0.000 title 1
- 239000007788 liquid Substances 0.000 abstract 2
- 239000012780 transparent material Substances 0.000 abstract 1
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
- G01P5/18—Measuring 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N15/0205—Investigating particle size or size distribution by optical means, e.g. by light scattering, diffraction, holography or imaging
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01P—MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION, OR SHOCK; INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT
- G01P3/00—Measuring linear or angular speed; Measuring differences of linear or angular speeds
- G01P3/64—Devices characterised by the determination of the time taken to traverse a fixed distance
- G01P3/68—Devices characterised by the determination of the time taken to traverse a fixed distance using optical means, i.e. using infrared, visible, or ultraviolet light
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N2015/0023—Investigating dispersion of liquids
- G01N2015/0026—Investigating dispersion of liquids in gas, e.g. fog
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/02—Investigating particle size or size distribution
- G01N2015/0294—Particle shape
Abstract
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US13032499P | 1999-04-21 | 1999-04-21 | |
US60/130,324 | 1999-04-21 | ||
US09/553,211 US6624434B1 (en) | 1999-04-21 | 2000-04-20 | Apparatus for measurement of particle or droplet velocity |
US09/553,211 | 2000-04-20 |
Publications (3)
Publication Number | Publication Date |
---|---|
WO2000063660A2 WO2000063660A2 (en) | 2000-10-26 |
WO2000063660A3 true WO2000063660A3 (en) | 2001-03-08 |
WO2000063660A9 WO2000063660A9 (en) | 2001-07-26 |
Family
ID=26828374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US2000/010794 WO2000063660A2 (en) | 1999-04-21 | 2000-04-21 | Apparatus for measurement of particle or droplet velocity |
Country Status (2)
Country | Link |
---|---|
US (1) | US6624434B1 (en) |
WO (1) | WO2000063660A2 (en) |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6897466B2 (en) * | 2001-07-19 | 2005-05-24 | Seiko Epson Corporation | Instrument and method for measuring ejection velocity of liquid |
US6858860B2 (en) * | 2001-07-24 | 2005-02-22 | Seiko Epson Corporation | Apparatus and method for measuring natural period of liquid |
DE10163463B9 (en) * | 2001-12-21 | 2008-07-17 | Osram Opto Semiconductors Gmbh | Apparatus and method for in situ measurement of polymer amounts printed on supports |
WO2014052137A1 (en) * | 2012-09-25 | 2014-04-03 | Kasthuri Perinkulam | Methods and apparatuses for measurement of liquids in motion |
WO2016073628A1 (en) | 2014-11-06 | 2016-05-12 | Gnubio, Inc. | Droplet velocity detection |
DE102017108960B3 (en) | 2017-04-26 | 2018-10-11 | Jenoptik Industrial Metrology Germany Gmbh | contour measurer |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5025438A (en) * | 1989-03-17 | 1991-06-18 | Ricoh Company, Ltd. | Recording and reproducing optical information device which converts the first beam into a second beam having different light intensity distribution |
US5339196A (en) * | 1990-09-27 | 1994-08-16 | Mesacon Gesellschaft Fur Messtechnik Mbh | Optical device for measuring the speed of a moved surface by means of a measuring light beam from a laser |
US5430306A (en) * | 1994-01-03 | 1995-07-04 | Hewlett-Packard Company | Optoelectronic detector with high, uniform sensitivity and large field of view, for thermal-inkjet inkdrops |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0333905A1 (en) * | 1988-03-25 | 1989-09-27 | Dietrich Dr. Dopheide | Laser Doppler anemometer (LDA) for measuring the velocity of moving objects |
US5074658A (en) * | 1989-07-31 | 1991-12-24 | Syracuse University | Laser capillary spectrophotometric acquisition of bivariate drop size and concentration data for liquid-liquid dispersion |
US5186057A (en) * | 1991-10-21 | 1993-02-16 | Everhart Howard R | Multi-beam liquid-drop size/rate detector apparatus |
DE4412494C2 (en) * | 1994-04-12 | 1997-02-27 | Kugelstrahlzentrum Aachen Gmbh | Method for measuring the speed distribution of a blasting medium flow |
US6153873A (en) * | 1998-05-20 | 2000-11-28 | E. I. Dupont De Numours And Company | Optical probe having an imaging apparatus |
US6016194A (en) * | 1998-07-10 | 2000-01-18 | Pacific Scientific Instruments Company | Particles counting apparatus and method having improved particle sizing resolution |
-
2000
- 2000-04-20 US US09/553,211 patent/US6624434B1/en not_active Expired - Fee Related
- 2000-04-21 WO PCT/US2000/010794 patent/WO2000063660A2/en active Application Filing
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5025438A (en) * | 1989-03-17 | 1991-06-18 | Ricoh Company, Ltd. | Recording and reproducing optical information device which converts the first beam into a second beam having different light intensity distribution |
US5339196A (en) * | 1990-09-27 | 1994-08-16 | Mesacon Gesellschaft Fur Messtechnik Mbh | Optical device for measuring the speed of a moved surface by means of a measuring light beam from a laser |
US5430306A (en) * | 1994-01-03 | 1995-07-04 | Hewlett-Packard Company | Optoelectronic detector with high, uniform sensitivity and large field of view, for thermal-inkjet inkdrops |
Also Published As
Publication number | Publication date |
---|---|
WO2000063660A9 (en) | 2001-07-26 |
WO2000063660A2 (en) | 2000-10-26 |
US6624434B1 (en) | 2003-09-23 |
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