Compression ignition type engine

Details Compression ignition type engine Compression ignition type engine

1996-09-18

1998-10-27

Argenbright, Tony M.

Power plants

Internal combustion engine with treatment or handling of...

Having means analyzing composition of exhaust gas

60278, 60297, 60301, 123569, F01N 320

Patent

active

058264272

ABSTRACT:
A compression ignition type engine comprising an NO.sub.x arranged in its exhaust passage. This NO.sub.x absorbent absorbs NO.sub.x when the air-fuel ratio of the inflowing exhaust gas is lean and releases the absorbed NO.sub.x when the air-fuel ratio of the exhaust gas is rich. When NO.sub.x should be released from the NO.sub.x absorbent, the mean value of the air-fuel ratio in the combustion chamber is changed from lean to rich. At least at this time, use is made of fuel containing oxygen as the injected fuel.

REFERENCES:
patent: 4664086 (1987-05-01), Takeda et al.
patent: 4727848 (1988-03-01), Stumpp et al.
patent: 4958598 (1990-09-01), Fosseen
patent: 5333591 (1994-08-01), Korsmeier et al.
patent: 5457958 (1995-10-01), Boegner et al.
patent: 5473887 (1995-12-01), Takeshima et al.
patent: 5711149 (1998-01-01), Araki
"Effects of Oxygenated Fuel on Exhaust Emission from DI Diesel Engines", Kuramata et al., No. 950, 1995, pp. 8-11.
Abstract of JP-62-007943-A, Jan. 1987.
Abstract of JP-63-061765-A, Mar. 1988.
Abstract of JP-06-033839-A, Feb. 1994.

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