Extending operating range of a homogeneous charge...

Details Extending operating range of a homogeneous charge... Extending operating range of a homogeneous charge...

2008-05-27

2008-05-27

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Accessories

Covers, trays, vibrators, corrosion inhibitors, air filters

C123S295000, C123S00100A

Reexamination Certificate

active

07377254

ABSTRACT:
An HCCI engine has the ability to operate over a large load range by utilizing a lower cetane distillate diesel fuel to increase ignition delay. This permits more stable operation at high loads by avoidance of premature combustion before top dead center. During low load conditions, a portion of the engines cylinders are deactivated so that the remaining cylinders can operate at a pseudo higher load while the overall engine exhibits behavior typical of a relatively low load.

REFERENCES:
patent: 6662785 (2003-12-01), Sloane et al.
patent: 7089103 (2006-08-01), Katakura et al.
patent: 7131402 (2006-11-01), Sobotowski et al.
patent: 2003/0052041 (2003-03-01), Erwin et al.
patent: 2005/0268883 (2005-12-01), Sobotowski et al.

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