AT296658B - Device for measuring the opacity of gases - Google Patents

Device for measuring the opacity of gases

Info

Publication number: AT296658B
Authority: AT; Austria
Prior art keywords: opacity; gases; measuring
Prior art date: 1967-09-21

Application number

AT880668A

Other languages

German (de)

Inventor

Luigi Bignardi

Original Assignee

Snam Progetti

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.)

1967-09-21

Filing date

1968-09-10

Publication date

1972-02-25

1968-09-10 Application filed by Snam Progetti filed Critical Snam Progetti

1972-02-25 Application granted granted Critical

1972-02-25 Publication of AT296658B publication Critical patent/AT296658B/en

Links

Classifications

- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/47—Scattering, i.e. diffuse reflection
- G01N21/49—Scattering, i.e. diffuse reflection within a body or fluid
- G01N21/53—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke
- G01N21/534—Scattering, i.e. diffuse reflection within a body or fluid within a flowing fluid, e.g. smoke by measuring transmission alone, i.e. determining opacity

Landscapes

Physics & Mathematics (AREA)
Health & Medical Sciences (AREA)
Life Sciences & Earth Sciences (AREA)
Chemical & Material Sciences (AREA)
Analytical Chemistry (AREA)
Biochemistry (AREA)
General Health & Medical Sciences (AREA)
General Physics & Mathematics (AREA)
Immunology (AREA)
Pathology (AREA)
Investigating Or Analysing Materials By Optical Means (AREA)
Optical Measuring Cells (AREA)

AT880668A 1967-09-21 1968-09-10 Device for measuring the opacity of gases AT296658B (en)

Applications Claiming Priority (1)

Application Number	Priority Date	Filing Date	Title
IT2072667		1967-09-21

Publications (1)

Publication Number	Publication Date
AT296658B true AT296658B (en)	1972-02-25

Family

ID=11171135

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
AT880668A AT296658B (en)	1967-09-21	1968-09-10	Device for measuring the opacity of gases

Country Status (9)

Country	Link
AT (1)	AT296658B (en)
BE (1)	BE721171A (en)
CH (1)	CH513398A (en)
CS (1)	CS186751B2 (en)
DE (2)	DE1798242B1 (en)
FR (1)	FR1585693A (en)
GB (1)	GB1200038A (en)
NL (1)	NL6813403A (en)
SE (1)	SE343395B (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4129068A1 (en) *	1991-09-02	1993-03-04	Grundig Emv	ARRANGEMENT FOR MEASURING EXHAUST GASES IN COMBUSTION ENGINES

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
GB1549193A (en) *	1975-04-29	1979-08-01	Hartridge Ltd Leslie	Apparatus for measuring smoke density
AUPP521898A0 (en) *	1998-08-13	1998-09-03	Rees Equipment Pty Ltd	Cleaning device
AU752387B2 (en) *	1998-08-13	2002-09-19	Rees Equipment Pty Ltd	A protective means or assembly
AT409039B (en) *	1999-11-26	2002-05-27	Avl List Gmbh	METHOD FOR MEASURING OPACITY IN GASES
FR3005738B1 (en) *	2013-05-14	2016-02-05	Capelec	OPACIMETER FOR DETECTION OF LOW LEVELS OF POLLUTANTS IN AN EXHAUST GAS
FR3005737B1 (en) *	2013-05-14	2015-05-22	Capelec	DEVICE FOR MONITORING OPACITY AND NITROGEN OXIDES IN EXHAUST GASES

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE1247688B (en) *	1965-04-03	1967-08-17	Visomat Geraete G M B H	Truebungsmesser, in particular smoke density meter

1968
- 1968-09-09 GB GB4286368A patent/GB1200038A/en not_active Expired
- 1968-09-10 AT AT880668A patent/AT296658B/en not_active IP Right Cessation
- 1968-09-13 DE DE19681798242 patent/DE1798242B1/en active Pending
- 1968-09-13 DE DE19686609536 patent/DE6609536U/en not_active Expired
- 1968-09-19 CS CS659068A patent/CS186751B2/en unknown
- 1968-09-19 NL NL6813403A patent/NL6813403A/xx unknown
- 1968-09-20 FR FR1585693D patent/FR1585693A/fr not_active Expired
- 1968-09-20 BE BE721171D patent/BE721171A/xx unknown
- 1968-09-21 CH CH1428568A patent/CH513398A/en not_active IP Right Cessation
- 1968-09-23 SE SE1281868A patent/SE343395B/xx unknown

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number	Priority date	Publication date	Assignee	Title
DE4129068A1 (en) *	1991-09-02	1993-03-04	Grundig Emv	ARRANGEMENT FOR MEASURING EXHAUST GASES IN COMBUSTION ENGINES
DE4129068C2 (en) *	1991-09-02	1999-05-20	Grundig Ag	Arrangement for measuring exhaust gases in internal combustion engines

Also Published As

Publication number	Publication date
GB1200038A (en)	1970-07-29
DE1798242B1 (en)	1971-08-26
BE721171A (en)	1969-03-03
DE6609536U (en)	1972-06-22
CH513398A (en)	1971-09-30
FR1585693A (en)	1970-01-30
NL6813403A (en)	1969-03-25
SE343395B (en)	1972-03-06
CS186751B2 (en)	1978-12-29

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Legal Events

Date	Code	Title	Description
1972-10-15	EIH	Change in the person of patent owner
1988-03-15	ELJ	Ceased due to non-payment of the annual fee