Method for operating compression ignition internal...

Details Method for operating compression ignition internal... Method for operating compression ignition internal...

2008-04-22

2008-04-22

Cronin, Stephen K. (Department: 3747)

Internal-combustion engines

Burning by highly compressed air

Oil engine air preheated

C123S295000, C123S00100A, C044S436000

Reexamination Certificate

active

07360509

ABSTRACT:
An object is to provide a method for operating a compression ignition internal combustion engine which, using a single fuel, can produce diesel combustion when the load is high, or homogeneous-charged compression ignition combustion when the load is low. The operating method includes: employing a fuel containing 95 to 99.5 wt. % of a base fuel made of one or more compounds selected from the group consisting of a hydrocarbon, an alcohol, an ether and a fatty ester, and 0.1 to 5 wt. % of an additive made of one or more compounds selected from the group consisting of an organic peroxide, a nitric ester, a nitrite ester and an azo compound; and producing diesel combustion when the load is high, or homogeneous-charged compression ignition combustion when the load is low. The organic peroxide is di-tert-butyl peroxide. The nitric ester is n-pentyl nitrate. The nitrite ester is n-pentyl nitrite. The azo compound is 2,2-azobis(2,4-dimethylvaleronitrile).

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patent: 2004-076736 (2004-03-01), None
patent: 2004-091657 (2004-03-01), None

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