GB1348227A - Method of and apparatus for introducing a metered quantity of foreign liquid into a continuous main current of liquid - Google Patents

Method of and apparatus for introducing a metered quantity of foreign liquid into a continuous main current of liquid

Info

Publication number
GB1348227A
GB1348227A GB2822872A GB2822872A GB1348227A GB 1348227 A GB1348227 A GB 1348227A GB 2822872 A GB2822872 A GB 2822872A GB 2822872 A GB2822872 A GB 2822872A GB 1348227 A GB1348227 A GB 1348227A
Authority
GB
United Kingdom
Prior art keywords
metering
flow
liquid
passage
additive
Prior art date
Legal status (The legal status 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 status listed.)
Expired
Application number
GB2822872A
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Roche Diagnostics GmbH
Original Assignee
Boehringer Mannheim GmbH
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 Boehringer Mannheim GmbH filed Critical Boehringer Mannheim GmbH
Priority to JP6821073A priority Critical patent/JPS4955938A/ja
Publication of GB1348227A publication Critical patent/GB1348227A/en
Expired legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
    • G01N35/00—Automatic analysis not limited to methods or materials provided for in any single one of groups G01N1/00 - G01N33/00; Handling materials therefor
    • G01N35/10—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices
    • G01N35/1095—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers
    • G01N35/1097—Devices for transferring samples or any liquids to, in, or from, the analysis apparatus, e.g. suction devices, injection devices for supplying the samples to flow-through analysers characterised by the valves
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/001—Control of flow ratio with discontinuous action
    • G—PHYSICS
    • G05—CONTROLLING; REGULATING
    • G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
    • G05D11/00—Control of flow ratio
    • G05D11/003—Control of flow ratio using interconnected flow control elements

Abstract

1348227 Mixing liquids in proportions BOEHRINGER MANNHEIM GmbH 16 June 1972 [18 June 1971] 28228/72 Heading B1C [Also in Divisions B8 and F2] In a method and apparatus for metering a liquid additive into a flowing liquid without causing flow rate fluctuations, the main flow is supplied to two pipes ZZ1, ZA1 and ZZ2, ZA2 connected in parallel and interrupted by a valve member AS having a flow passage VDI and a metering passage VD2. As shown in Fig 2b the metering passage is being filled by a vacuum previously built up in the chamber VK while the main flow passes through ZZ1, VD1, ZA1. In a subsequent position, of the valve member, Fig. 2c, the flow through ZZI, ZA1 is interrupted and flow takes place through ZZ2, VD2, ZA2, the additive being swept out into the main flow and mixed in a column (S, Fig. 1, not shown) without disturbance of the flow rate. At the same time the additive inlet FFZ and vacuum chamber VK are purged by connection to the vaccum pipe KVL. Subsequently the metering passage is also purged by connection between the air inlet LZ and vacuum pipe VA, see Fig. 2d, not shown. The metering apparatus may be embodied as a rotary valve, see Figs. 3-9, not shown, which may be rotated manually or by motor in a constant sense to perform successive metering operations; it may be controlled by a timing device.
GB2822872A 1971-06-18 1972-06-16 Method of and apparatus for introducing a metered quantity of foreign liquid into a continuous main current of liquid Expired GB1348227A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6821073A JPS4955938A (en) 1972-06-16 1973-06-16

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2130287A DE2130287C3 (en) 1971-06-18 1971-06-18 Method and device for introducing a metered amount of foreign liquid into a main liquid flow

Publications (1)

Publication Number Publication Date
GB1348227A true GB1348227A (en) 1974-03-13

Family

ID=5811136

Family Applications (1)

Application Number Title Priority Date Filing Date
GB2822872A Expired GB1348227A (en) 1971-06-18 1972-06-16 Method of and apparatus for introducing a metered quantity of foreign liquid into a continuous main current of liquid

Country Status (14)

Country Link
US (1) US3762609A (en)
JP (1) JPS5320464B1 (en)
AT (1) AT316493B (en)
BE (1) BE784989A (en)
CA (1) CA948854A (en)
CH (1) CH543892A (en)
DE (1) DE2130287C3 (en)
FR (1) FR2141877B1 (en)
GB (1) GB1348227A (en)
HU (1) HU167419B (en)
IT (1) IT960695B (en)
NL (1) NL176840C (en)
SE (1) SE389912B (en)
YU (1) YU35401B (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH674580A5 (en) * 1983-10-06 1990-06-15 Contraves Ag
US4798803A (en) * 1985-07-10 1989-01-17 The Dow Chemical Company Method for titration flow injection analysis
JPS62154679U (en) * 1986-03-25 1987-10-01
US4935346A (en) * 1986-08-13 1990-06-19 Lifescan, Inc. Minimum procedure system for the determination of analytes
JP2527276Y2 (en) * 1990-10-24 1997-02-26 三菱重工業株式会社 Slurry sampling equipment
US6458326B1 (en) 1999-11-24 2002-10-01 Home Diagnostics, Inc. Protective test strip platform
US6525330B2 (en) 2001-02-28 2003-02-25 Home Diagnostics, Inc. Method of strip insertion detection
US6562625B2 (en) 2001-02-28 2003-05-13 Home Diagnostics, Inc. Distinguishing test types through spectral analysis
US6541266B2 (en) 2001-02-28 2003-04-01 Home Diagnostics, Inc. Method for determining concentration of an analyte in a test strip
CN103323289B (en) * 2013-07-12 2015-02-25 黄河水利委员会黄河水利科学研究院 Reservoir sediment low-disturbance cutting type sampling cutter head
CN109210382B (en) * 2018-11-13 2023-09-01 乐山师范学院 Nuclear magnetic tube quantitative air-filling device and use method thereof

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3195776A (en) * 1962-12-03 1965-07-20 Grace W R & Co Automatic catalyst dispenser
US3244328A (en) * 1964-03-23 1966-04-05 Corning Glass Works Dispensing from plural sources
US3227312A (en) * 1964-09-08 1966-01-04 Nat Distillers Chem Corp Shot injector

Also Published As

Publication number Publication date
AT316493B (en) 1974-07-10
CA948854A (en) 1974-06-11
NL176840C (en) 1985-06-17
IT960695B (en) 1973-11-30
SE389912B (en) 1976-11-22
DE2130287C3 (en) 1975-06-05
NL7208242A (en) 1972-12-20
JPS5320464B1 (en) 1978-06-27
FR2141877B1 (en) 1977-12-23
FR2141877A1 (en) 1973-01-26
HU167419B (en) 1976-04-28
YU35401B (en) 1980-12-31
DE2130287B2 (en) 1974-10-24
US3762609A (en) 1973-10-02
NL176840B (en) 1985-01-16
DE2130287A1 (en) 1972-12-21
YU161372A (en) 1980-06-30
BE784989A (en) 1972-12-18
CH543892A (en) 1973-11-15

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PCNP Patent ceased through non-payment of renewal fee