Anti-pollution engine head construction

Details Anti-pollution engine head construction Anti-pollution engine head construction

1977-04-08

1978-08-08

Myhre, Charles J.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

123 32E, 123 4182R, 123169R, 60274, 60282, F02F 102

Patent

active

041050096

ABSTRACT:
An anti-pollution head construction for internal combustion engines is disclosed in which a storage chamber is formed in the head adjacent the spark plug opening, said storage chamber being in constant communication with the cylinder chamber by passages contained in the head. The storage chamber receives unburnt hydrocarbons during the compression stroke of the engine and returns the unburnt hydrocarbons to the cylinder chamber during the subsequent expansion stroke following combustion. The hydrocarbons mix with the oxides of nitrogen at a temperature of at least 2200.degree. Rankine, thereby reducing the oxides of nitrogen to the equilibrium value. Preferably the storage chamber is annular and is arranged concentrically about the spark plug opening.

REFERENCES:
patent: 1281322 (1918-10-01), Ferraris
patent: 1799225 (1931-04-01), Gerdien et al.
patent: 2673554 (1954-03-01), Thaheld

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