Inlet valve for a combustion space of an internal combustion eng

Details Inlet valve for a combustion space of an internal combustion eng Inlet valve for a combustion space of an internal combustion eng

1996-02-07

1997-04-08

Argenbright, Tony M.

Internal-combustion engines

Charge forming device

Auxiliary air or oxygen added to combustible mixture

1231887, F02M 2312, F01L 128

Patent

active

056178352

ABSTRACT:
In known inlet valves, condensation of the fuel, which is precipitated in the form of a wall film, occurs at the inlet valve, in particular when the internal combustion engine is in the cold state. Relatively large fuel droplets, which cause an increase in the harmful components in the exhaust gas, can break away from the wall film. The inlet valve according to the invention has a hollow shaft into which compressed air flows via at least one inlet shaft opening, the compressed air then flowing out again from at least one outlet opening which is provided on one side of the inlet valve facing away from the combustion space of the internal combustion engine. As a result of the outflowing compressed air, an air film is produced around the valve head, which air film prevents condensation of the fuel. The inlet valve is provided in particular for mixture-compressing, spark ignition internal combustion engines.

REFERENCES:
patent: 1799397 (1931-04-01), Taylor et al.
patent: 2170267 (1939-08-01), Rich
patent: 2819704 (1958-01-01), Niederman
patent: 3382850 (1968-05-01), Baudry et al.
patent: 4313410 (1982-01-01), Kunii et al.
patent: 4976248 (1990-12-01), Rowe

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