Measuring and testing – Gas analysis – Gas of combustion
Patent
1997-05-27
1998-12-22
Dombroske, George M.
Measuring and testing
Gas analysis
Gas of combustion
G01M 1500, G01N 100
Patent
active
058522271
ABSTRACT:
Apparatus for the measurement of components of exhaust gas of an internal combustion engine in a flame ionization chamber to which the exhaust gas, combustion gas and combustion air are supplied and in which the gas components in the exhaust gases are measured. The apparatus comprises three connection lines respectively for receiving the exhaust gas, combustion gas and combustion air for supplying these to the flame ionization detector. A separate control line is provided containing a pressure controller and an outlet nozzle body which opens to ambient atmosphere. The control line has a section between the pressure controller and the outlet nozzle body. Each connection line has inlet and outlet flow adjusters defining a respective section therebetween. At least two further lines connect the sections of two of the connection lines to the section of the control line. The inlet and outlet flow adjusters in each of the connection lines are set to provide higher gas flow at the inlet flow adjuster than at the outlet flow adjuster. The outlet flow adjusters are nozzles and the inlet flow adjusters can also be nozzles or pressure controllers.
REFERENCES:
patent: 3558283 (1971-01-01), Freeman et al.
patent: 5221517 (1993-06-01), Takeda
Emissions-Und Immissionsmesstechnik Im Verkehrsweesen Tuv-Rheinland Publishers--1993.
Dombroske George M.
Pierburg AG
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