WO1999020983A3 - Systems and methods using an optical sensor for liquid metering - Google Patents
Systems and methods using an optical sensor for liquid metering Download PDFInfo
- Publication number
- WO1999020983A3 WO1999020983A3 PCT/US1998/022192 US9822192W WO9920983A3 WO 1999020983 A3 WO1999020983 A3 WO 1999020983A3 US 9822192 W US9822192 W US 9822192W WO 9920983 A3 WO9920983 A3 WO 9920983A3
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- container
- liquid
- boundary
- metering
- sensor
- Prior art date
Links
- 239000007788 liquid Substances 0.000 title abstract 5
- 230000003287 optical effect Effects 0.000 title abstract 2
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
- G01F23/2921—Light, e.g. infrared or ultraviolet for discrete levels
- G01F23/2928—Light, e.g. infrared or ultraviolet for discrete levels using light reflected on the material surface
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0046—Sequential or parallel reactions, e.g. for the synthesis of polypeptides or polynucleotides; Apparatus and devices for combinatorial chemistry or for making molecular arrays
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/284—Electromagnetic waves
- G01F23/292—Light, e.g. infrared or ultraviolet
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00277—Apparatus
- B01J2219/00351—Means for dispensing and evacuation of reagents
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00277—Apparatus
- B01J2219/00351—Means for dispensing and evacuation of reagents
- B01J2219/00389—Feeding through valves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00277—Apparatus
- B01J2219/00351—Means for dispensing and evacuation of reagents
- B01J2219/00418—Means for dispensing and evacuation of reagents using pressure
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/00583—Features relative to the processes being carried out
- B01J2219/00585—Parallel processes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00274—Sequential or parallel reactions; Apparatus and devices for combinatorial chemistry or for making arrays; Chemical library technology
- B01J2219/0068—Means for controlling the apparatus of the process
- B01J2219/00698—Measurement and control of process parameters
-
- C—CHEMISTRY; METALLURGY
- C40—COMBINATORIAL TECHNOLOGY
- C40B—COMBINATORIAL CHEMISTRY; LIBRARIES, e.g. CHEMICAL LIBRARIES
- C40B60/00—Apparatus specially adapted for use in combinatorial chemistry or with libraries
- C40B60/14—Apparatus specially adapted for use in combinatorial chemistry or with libraries for creating libraries
Landscapes
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Chemical & Material Sciences (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Abstract
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
AU11069/99A AU1106999A (en) | 1997-10-22 | 1998-10-21 | Systems and methods using an optical sensor for liquid metering |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US6313797P | 1997-10-22 | 1997-10-22 | |
US60/063,137 | 1997-10-22 | ||
US8704498A | 1998-05-29 | 1998-05-29 | |
US09/087,044 | 1998-05-29 |
Publications (2)
Publication Number | Publication Date |
---|---|
WO1999020983A2 WO1999020983A2 (en) | 1999-04-29 |
WO1999020983A3 true WO1999020983A3 (en) | 1999-08-26 |
Family
ID=26743085
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1998/022192 WO1999020983A2 (en) | 1997-10-22 | 1998-10-21 | Systems and methods using an optical sensor for liquid metering |
Country Status (2)
Country | Link |
---|---|
AU (1) | AU1106999A (en) |
WO (1) | WO1999020983A2 (en) |
Families Citing this family (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL1021669C2 (en) * | 2002-10-16 | 2004-04-20 | Paul Bruggeman | Liquid level measuring device. |
EP1722204A1 (en) * | 2005-05-13 | 2006-11-15 | RANCILIO MACCHINE PER CAFFE' S.p.A. | Optical device for detecting a liquid level in an infusion machine, related apparatus and method |
CN100394147C (en) * | 2006-01-19 | 2008-06-11 | 昆明利普机器视觉工程有限公司 | Water level meter with digital video frequency |
US7786457B2 (en) | 2006-06-28 | 2010-08-31 | Alcon, Inc. | Systems and methods of non-invasive level sensing for a surgical cassette |
US7872746B2 (en) * | 2006-12-22 | 2011-01-18 | Alcon, Inc. | Single light source uniform parallel light curtain |
NO328037B1 (en) * | 2008-05-22 | 2009-11-23 | Knut Inge Bonvik | System for real-time long-term regulation and / or real-time spectroscopy of a given amount of urine in patients |
US20100134303A1 (en) * | 2008-12-02 | 2010-06-03 | Perkins James T | Fluid level detector for an infusion fluid container |
EP3206582B1 (en) * | 2014-12-22 | 2023-08-02 | Renalsense Ltd. | Apparatus, system, and methods for urinalysis |
EP3368869B1 (en) * | 2015-10-27 | 2023-12-06 | Haemonetics Corporation | System and method for measuring volume and pressure |
CA3005264C (en) | 2017-05-17 | 2019-04-23 | A.C. Dispensing Equipment Inc. | Optical liquid level measurement system for dispensing apparatus |
CN109925979A (en) * | 2019-04-24 | 2019-06-25 | 四川轻化工大学 | Tubular gas-liquid interface reactor, tubular chemiluminescence detection device and detection method |
Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3636360A (en) * | 1968-05-13 | 1972-01-18 | Hitachi Ltd | Apparatus for detection of liquid level in transparent tube comprising photocell located to receive light which has been totally reflected |
US3908129A (en) * | 1974-04-08 | 1975-09-23 | Datagage Systems Inc | Manometer level detector |
US4223231A (en) * | 1977-09-17 | 1980-09-16 | Hajime Sugiyama | Liquid level monitor apparatus |
US4297588A (en) * | 1979-02-06 | 1981-10-27 | Hastbacka Albin A | Electro-optical level |
US4857050A (en) * | 1987-09-23 | 1989-08-15 | Fisher Scientific Company | Ratiometric air-in-line detector |
US4904878A (en) * | 1988-08-12 | 1990-02-27 | Caterpillar Inc. | Multi-point refractive liquid level sensor |
US4920336A (en) * | 1988-11-22 | 1990-04-24 | Fisher Scientific Company | Method and apparatus for monitoring the level of the contents in a container |
US4989452A (en) * | 1987-11-09 | 1991-02-05 | Solinst Canada Ltd. | Liquid-level detector |
US5724142A (en) * | 1996-03-29 | 1998-03-03 | Dade International Inc. | Method and apparatus for measuring and controlling the volume of a liquid segment in a tube |
-
1998
- 1998-10-21 WO PCT/US1998/022192 patent/WO1999020983A2/en active Application Filing
- 1998-10-21 AU AU11069/99A patent/AU1106999A/en not_active Abandoned
Patent Citations (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3636360A (en) * | 1968-05-13 | 1972-01-18 | Hitachi Ltd | Apparatus for detection of liquid level in transparent tube comprising photocell located to receive light which has been totally reflected |
US3908129A (en) * | 1974-04-08 | 1975-09-23 | Datagage Systems Inc | Manometer level detector |
US4223231A (en) * | 1977-09-17 | 1980-09-16 | Hajime Sugiyama | Liquid level monitor apparatus |
US4297588A (en) * | 1979-02-06 | 1981-10-27 | Hastbacka Albin A | Electro-optical level |
US4857050A (en) * | 1987-09-23 | 1989-08-15 | Fisher Scientific Company | Ratiometric air-in-line detector |
US4989452A (en) * | 1987-11-09 | 1991-02-05 | Solinst Canada Ltd. | Liquid-level detector |
US4904878A (en) * | 1988-08-12 | 1990-02-27 | Caterpillar Inc. | Multi-point refractive liquid level sensor |
US4920336A (en) * | 1988-11-22 | 1990-04-24 | Fisher Scientific Company | Method and apparatus for monitoring the level of the contents in a container |
US5724142A (en) * | 1996-03-29 | 1998-03-03 | Dade International Inc. | Method and apparatus for measuring and controlling the volume of a liquid segment in a tube |
Also Published As
Publication number | Publication date |
---|---|
AU1106999A (en) | 1999-05-10 |
WO1999020983A2 (en) | 1999-04-29 |
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