Tuned intake air inlet for a rotary engine

Details Tuned intake air inlet for a rotary engine Tuned intake air inlet for a rotary engine

1988-12-27

1990-03-27

Koczo, Michael

Internal-combustion engines

Rotary

With charge treatment means

123 52M, 418 86, F02B 5300

Patent

active

049111221

ABSTRACT:
A tuned combustion air intake system for a rotary engine includes a plenum chamber mounted on the engine block and receiving cooling air discharged therefrom. Air from the plenum chamber is directed into an elongated outlet conduit of a extended length determined to provide an optimum pulsed air flow to the combustion air inlet to the carburetor. The extended length outlet conduit is wrapped at least partially around the plenum chamber to provide a compact construction particularly suitable to adapting the engine for use in an outboard motor. A supplemental air outlet from the plenum chamber to a downstream portion of the outlet conduit may be utilized to bypass a portion of the conduit to provide a change in the tuned length thereof for optimizing performance at difference engine speeds.

REFERENCES:
patent: 3177854 (1965-04-01), Garcea
patent: 3370575 (1968-02-01), Soubis
patent: 3967593 (1976-07-01), Garside
patent: 4000721 (1977-01-01), Garside
patent: 4497287 (1985-02-01), Schleiermacher et al.
patent: 4515115 (1985-05-01), Okubo

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