Method and apparatus for tuned pipe water injection

Details Method and apparatus for tuned pipe water injection Method and apparatus for tuned pipe water injection

1996-05-01

1998-05-05

Richter, Sheldon

Power plants

Internal combustion engine with treatment or handling of...

Treated by washing, or having liquid contact structure

60312, 60314, 440 89, F01N 304, F02B 2702

Patent

active

057460540

ABSTRACT:
In an exhaust expansion chamber or tuned pipe of a two-cycle engine in a watercraft, variable amounts of water are injected, thus cooling the temperature within the expansion chamber and matching the sonic wave speed with that of the correct rpm of the motor. Thus, by regulating the temperature of the exhaust gases in the tuned pipe with water, the efficiency of the two-cycle engine at varying revolutions per minute, is improved.

REFERENCES:
patent: 3385052 (1968-05-01), Holtermann et al.
patent: 3726092 (1973-04-01), Raczuk
patent: 4350010 (1982-09-01), Yukishima
patent: 4920745 (1990-05-01), Gilbert
patent: 5161372 (1992-11-01), Whipple
patent: 5502963 (1996-04-01), Inaba

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