Reciprocating piston engine

Details Reciprocating piston engine Reciprocating piston engine

1998-09-18

2000-08-01

Kwon, John

Internal-combustion engines

Precombustion and main combustion chambers in series

Having combustible mixture forming means

123256, 123526, F02M 100

Patent

active

060951125

ABSTRACT:
A reciprocating piston engine which is selectively operable in either a gas operation mode with a gaseous fuel or a diesel operation mode with a liquid fuel includes a main combustion chamber which has an inlet for receiving gas and/or air, an injection device and an outlet. At least one precombustion chamber is connected to the main combustion chamber by at least one precombustion chamber output that opens into said main combustion chamber. Each precombustion chamber has an applied-ignition device for igniting the contents of the precombustion chamber during gas operation. An optimization of exhaust gas values, particularly of the NO.sub.x concentrations, is attained by the applied-ignition device and a separate gas line for supplying the precombustion chamber with gas, thereby allowing a leaner fuel mixture to be used in the main combustion chamber.

REFERENCES:
patent: 4112878 (1978-09-01), Heitland et al.
patent: 4119066 (1978-10-01), Happel
patent: 5050550 (1991-09-01), Gao
patent: 5070833 (1991-12-01), Matsuoka
patent: 5887566 (1999-03-01), Glauber et al.
K Saito et al., "Development of the Hot Engine With Selective Use of City Gas or Diesel Oil for the City Type Co-Generation System", Paper D29, CIMAC 1995, pp. 1-20.

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