Multi-stroke internal combustion engine for facilitation of...

Details Multi-stroke internal combustion engine for facilitation of... Multi-stroke internal combustion engine for facilitation of...

2008-09-23

2008-09-23

Solis, Erick (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Using multiple injectors or injections

C123S305000, C123S064000

Reexamination Certificate

active

11554526

ABSTRACT:
A method of operating an engine having at least one cylinder including an intake valve and an exhaust valve, the method comprising of injecting a first amount of fuel into the cylinder; auto-igniting a first mixture of air and said first amount of fuel by compressing said first mixture; injecting a second amount of fuel into the cylinder after auto-igniting said first mixture; combusting a second mixture of said second amount of fuel and gasses from auto-ignition of said first mixture; holding an intake valve of the cylinder closed between auto-igniting the first mixture and combusting the second mixture; and exhausting said combusted second mixture.

REFERENCES:
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patent: 6820587 (2004-11-01), Hoglund et al.
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Lang et al., “Thermodynamical and Mechanical Approach Towards a Variable Valve Train for the Controlled Auto-Ignition Combustion Process.” SAE International, SAE Technical Paper Series 2005-01-0762, Apr. 11-14, 2005: Detroit Michigan.

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