Fuel quantity modulation in pilot ignited engines

Details Fuel quantity modulation in pilot ignited engines Fuel quantity modulation in pilot ignited engines

2006-05-16

2006-05-16

Wolfe, Jr., Willis R. (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

C123S304000, C123S492000, C123S575000

Reexamination Certificate

active

07044103

ABSTRACT:
An engine system includes a first fuel regulator adapted to control an amount of a first fuel supplied to the engine, a second fuel regulator adapted to control an amount of a second fuel supplied to the engine concurrently with the first fuel being supplied to the engine, and a controller coupled to at least the second fuel regulator. The controller is adapted to determine the amount of the second fuel supplied to the engine in a relationship to the amount of the first fuel supplied to the engine to operate in igniting the first fuel at a specified time in steady state engine operation and adapted to determine the amount of the second fuel supplied to the engine in a manner different from the relationship at steady state engine operation in transient engine operation.

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International Search Report issued in International Application No. PCT/US2005/027185 dated Nov. 17, 2005; 6 pages.

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