Internal-combustion engines – Charge forming device – Gaseous fuel and air mixer
Patent
1997-01-23
2000-04-18
Kwon, John
Internal-combustion engines
Charge forming device
Gaseous fuel and air mixer
F02M 2104
Patent
active
060502460
ABSTRACT:
A method and device for converting conventional engines to a natural gas fueled engine, having a means of withdrawing compressed natural gas from a storage supply at a low pressure, combining the natural gas with atmospheric air from the engine's air cleaner, pressurizing the air and gas mixture by means of a convergent-divergent nozzle and allowing the air/gas mixture to enter the engine's induction manifold at high pressure. This is accomplished without modification to the original engine cylinder, while increasing the engine power and minimizing exhaust emissions.
REFERENCES:
patent: 5375582 (1994-12-01), Wimer
patent: 5377646 (1995-01-01), Chasteen
patent: 5474053 (1995-12-01), Suzuki
patent: 5699767 (1997-12-01), Notsu et al.
Kwon John
Offenberg Cristina M
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