Apparatus and method for an automated cetane number...

Details Apparatus and method for an automated cetane number... Apparatus and method for an automated cetane number...

2007-10-30

2007-10-30

Kwon, John T. (Department: 3747)

Data processing: vehicles, navigation, and relative location

Vehicle control, guidance, operation, or indication

With indicator or control of power plant

C123S435000

Reexamination Certificate

active

11636234

ABSTRACT:
In an apparatus and method for determining the cetane number of a fuel by combustion of a sample in a constant volume combustion chamber filled with compressed air into which the fuel is injected via a temperature controlled injection nozzle, wherein means are provided for sensing the pressure in the combustion chamber and recording it for determining the cetane number therefrom, an automated sample supplier is provided adapted to accommodate a plurality of fuel samples and including means for selectively connecting a pump to a particular sample and pressurizing it for injection into the combustion chamber and means for heating the combustion chamber and means for cooling the injector nozzle are provided for maintaining these devices at desired temperatures.

REFERENCES:
patent: 5457985 (1995-10-01), Cellier et al.
patent: 6609413 (2003-08-01), De Craecker
patent: 7027906 (2006-04-01), Araki
patent: 7121254 (2006-10-01), Wickman et al.
patent: 197 12 921 (1992-10-01), None
patent: 197 01 288 (1998-07-01), None
patent: WO 02/14456 (2002-02-01), None

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