Method for injecting gaseous fuels into an internal...

Details Method for injecting gaseous fuels into an internal... Method for injecting gaseous fuels into an internal...

2007-01-16

2007-01-16

Solis, Erick (Department: 3747)

Internal-combustion engines

Combustion chamber means having fuel injection only

Having a particular relationship between injection and...

C123S526000, C123S527000, C123S0270GE

Reexamination Certificate

active

11277776

ABSTRACT:
A method directly injects gaseous fuel into the combustion chamber of an internal combustion engine. The compressibility of the gaseous fuel is used to provide a fuel to the combustion chamber that is injected over all engine operating conditions at pressures that result in fuel jet speeds beyond the injector nozzle in excess of sonic speeds as determined in reference to the combustion chamber environment. The resulting fuel injection speed results in the fuel passing through shock waves within the combustion chamber, which, in turn, promotes combustion of the fuel by promoting turbulence and mixing of the fuel and intake charge within the combustion chamber where fuel burns in a non-premixed combustion mode.

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Tice, J.K., et al., “Field Test and Development of a Low-Cost Mechanically Actuated, Enhanced Mixing System for Emissions Reduction”, Gas Machinery Conference Proceedings, Oct. 2003, Salt Lake City.

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