Method for selecting fuel to both optimize the operating...

Measuring and testing – Engine detonation – Fuel rating

Reexamination Certificate

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Reexamination Certificate

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07487663

ABSTRACT:
Operation of a DI HCCI engine is optimized for maximizing load capability and load ranges via matching fuel ignitability with the compression ratio of the engine.

REFERENCES:
patent: 2003/0052041 (2003-03-01), Erwin et al.
patent: 2004/0231650 (2004-11-01), Gray, Jr.
patent: 2004/0261762 (2004-12-01), Sloane et al.
patent: 2006/0180121 (2006-08-01), Wickman et al.
patent: 2007/0256648 (2007-11-01), Sun et al.
patent: WO 2005/059063 (2005-06-01), None
Koji Kitano, et al.; “Effects of Fuel Properties on Premixed Charge Compression Ignition Combustion in a Direct Injection Diesel Engine”; JSAE 20030117, SAE 2003-01-1815; 2003, pp. 1-7.
Mingfa Yao, et al.; “The Effect of PRF Fuel Octane Number on HCCI Operation”; Reprinted from Homogeneous Charge Compression Ignition (SP-1896); SAE International Powertrain & Fluid Systems, Conference & Exhibition, Tampa, Florida, Oct. 25-28, 2004; SAE Technical Paper Series 2004-01-2992; pp. 1-9.
Mingfa Yao, et al.; “Experimental Study on the Effects of EGR and Octane Number of PRF Fuel on Combustion and Emission Characteristics of HCCI Engines”; 2005 SAE World Congress, Detroit, Michigan, Apr. 11-14, 2005; SAE International, SAE Technical Paper Series 2005-01-0174; pp. 1-14.
Daisuke Kawano, et al.; “Ignition and Combustion Control of Diesel HCCI”; 2005 SAE International, 2005-01-2132; pp. 1-7.
M.J. Atkins and C.R. Koch; “The Effect of Fuel Octane and Dilutent on Homogeneous Charge Compression Ignition Combustion”; Proc.ImechE. vol. 219 Part D: J. Automobile Engineering; 2005; pp. 665-675.
Standard Test Method for Determination of Ignition Delay and Derived Cetane Number (DCN) of Diesel Fuels Oils by Combustion in a Constant Volume Chamber; ASTM International Designation D 6890-04; pp. 1-15.
“An Experimental Study on the Effects of Combustion and Fuel Factors on DI Diesel Engine Performance”, SAE Technical Papers 2004-08-0375; JSAE Technical Paper 20045776 (published in Japan).

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