FR2001871A1 - - Google Patents
Info
- Publication number
- FR2001871A1 FR2001871A1 FR6903340A FR6903340A FR2001871A1 FR 2001871 A1 FR2001871 A1 FR 2001871A1 FR 6903340 A FR6903340 A FR 6903340A FR 6903340 A FR6903340 A FR 6903340A FR 2001871 A1 FR2001871 A1 FR 2001871A1
- Authority
- FR
- France
- 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.)
- Withdrawn
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
- F02D—CONTROLLING COMBUSTION ENGINES
- F02D41/00—Electrical control of supply of combustible mixture or its constituents
- F02D41/02—Circuit arrangements for generating control signals
- F02D41/14—Introducing closed-loop corrections
- F02D41/1438—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor
- F02D41/1444—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases
- F02D41/1452—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being a COx content or concentration
- F02D41/1453—Introducing closed-loop corrections using means for determining characteristics of the combustion gases; Sensors therefor characterised by the characteristics of the combustion gases the characteristics being a COx content or concentration the characteristics being a CO content or concentration
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M15/00—Testing of engines
- G01M15/04—Testing internal-combustion engines
- G01M15/10—Testing internal-combustion engines by monitoring exhaust gases or combustion flame
- G01M15/102—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases
- G01M15/108—Testing internal-combustion engines by monitoring exhaust gases or combustion flame by monitoring exhaust gases using optical methods
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- 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
- G01N21/25—Colour; Spectral properties, i.e. comparison of effect of material on the light at two or more different wavelengths or wavelength bands
- G01N21/31—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry
- G01N21/35—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light
- G01N21/3504—Investigating relative effect of material at wavelengths characteristic of specific elements or molecules, e.g. atomic absorption spectrometry using infrared light for analysing gases, e.g. multi-gas analysis
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0062—General constructional details of gas analysers, e.g. portable test equipment concerning the measuring method, e.g. intermittent, or the display, e.g. digital
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Combustion & Propulsion (AREA)
- Spectroscopy & Molecular Physics (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Analytical Chemistry (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Mechanical Engineering (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Investigating Or Analysing Materials By Optical Means (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19681698205 DE1698205A1 (en) | 1968-02-14 | 1968-02-14 | Method and device for determining exhaust gas in internal combustion engines, in particular in motor vehicles |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2001871A1 true FR2001871A1 (en) | 1969-10-03 |
Family
ID=5688043
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6903340A Withdrawn FR2001871A1 (en) | 1968-02-14 | 1969-02-12 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE1698205A1 (en) |
FR (1) | FR2001871A1 (en) |
GB (1) | GB1226911A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0079570A2 (en) * | 1981-11-13 | 1983-05-25 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Regulation apparatus for the air/fuel ratio of an internal-combustion engine |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4379402A (en) * | 1981-01-22 | 1983-04-12 | Beckman Instruments, Inc. | Gas analysis instrument having flow rate compensation |
LU91630B1 (en) * | 2009-12-14 | 2011-06-15 | Spheretech Internat | Diagnostic method for diesel engine |
-
1968
- 1968-02-14 DE DE19681698205 patent/DE1698205A1/en active Pending
-
1969
- 1969-02-12 FR FR6903340A patent/FR2001871A1/fr not_active Withdrawn
- 1969-02-14 GB GB1226911D patent/GB1226911A/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0079570A2 (en) * | 1981-11-13 | 1983-05-25 | Bayerische Motoren Werke Aktiengesellschaft, Patentabteilung AJ-3 | Regulation apparatus for the air/fuel ratio of an internal-combustion engine |
EP0079570A3 (en) * | 1981-11-13 | 1984-12-05 | Bayerische Motoren Werke Aktiengesellschaft | Regulation apparatus for the air/fuel ratio of an internal-combustion engine |
Also Published As
Publication number | Publication date |
---|---|
DE1698205A1 (en) | 1971-11-18 |
GB1226911A (en) | 1971-03-31 |
Similar Documents
Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |