F - Mech Eng,Light,Heat,Weapons – 23 – N
Patent
F - Mech Eng,Light,Heat,Weapons
23
N
341/21
F23N 5/24 (2006.01) B60H 1/22 (2006.01) F23N 5/02 (2006.01) F23N 5/14 (2006.01)
Patent
CA 1301285
ABSTRACT OF THE DISCLOSURE By temperature gradient detection it is determined for the liquid combustion chamber auxiliary heater for motor vehicles, whether e.g. a flame blow-off has taken place, which has to be interpreted as a malfunction and which necessitates the discontinuation of fuel supply. Alternatively, it might merely show the switching from a high setting to a low setting. In the latter case a temperature drop to a lower operation temperature occurs also. However, the temperature drop is not as steep as in the case of a flame blow-off. At certain points in time t1 the target temperature for a point in time t2 is calculated by the detected temperature according to a certain algorithm having specific device properties as parameters. At this point in time the calculated target temperature is checked for errors.
602891
Reiser Peter
Schaffert Wolfgang
Steiert Edwin
Eberspacher J.
Macrae & Co.
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