Diesel engine equipped for reducing harmful substances in its op

Details Diesel engine equipped for reducing harmful substances in its op Diesel engine equipped for reducing harmful substances in its op

1994-07-19

1996-05-21

Wolfe, Willis R.

Internal-combustion engines

Charge forming device

Exhaust gas used with the combustible mixture

123570, F02M 2507

Patent

active

055179762

ABSTRACT:
The production of harmful substances during the operation of multi-cylinder diesel engines is reduced by separating the cylinders of the engine into two groups in combination with an exhaust gas return from one group to the other. The first group includes a plurality of the cylinders (2 to 6). The second group includes at least one cylinder (7), which is separated from the first group as far as combustion is concerned. A first fresh air suction intake (9) supplies fresh air to the group of first cylinders (2 to 6). An exhaust gas return device (24) feeds either directly or indirectly exhaust gas from the at least one second cylinder (7) through the first fresh air suction intake (9) to the group of first cylinders (2 to 6). A second fresh air suction intake (10) supplies fresh air to the second group of cylinders (7). The second fresh air suction intake (10) may also receive some exhaust gas which is then combusted by an additional fuel supply in the second fresh air suction intake (10).

REFERENCES:
patent: 3982395 (1976-09-01), Hasegawa et al.
patent: 4056933 (1977-11-01), Nohira et al.
patent: 4100734 (1978-07-01), Ozaki et al.
patent: 4108114 (1978-08-01), Kosaka et al.
patent: 4109462 (1978-08-01), Kohama et al.
patent: 4131095 (1978-12-01), Ouchi
patent: 4249382 (1981-02-01), Evans et al.
patent: 4345572 (1982-08-01), Suzuki et al.
patent: 5178119 (1993-01-01), Gale

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