Internal combustion engine intake and exhaust systems

Internal-combustion engines – Intake manifold – Passage to crankcase

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Details

12318434, 12318442, F02B 1718

Patent

active

057850275

ABSTRACT:
An intake system (3, 4, 9) for a reciprocating internal combustion engine adapted to control operation of the engine to produce a high level of torque across a wide range of engine revolutions. The intake system is formed by a plenum (3) feeding a plurality of manifold tubes (4) dimensioned so as to improve volumetric efficiency of the engine by inducing ram air effects in a naturally aspirated engine over a wide range of rotational speeds.

REFERENCES:
patent: 2106427 (1938-01-01), Hansson
patent: 2947293 (1960-08-01), Arkus-Duntov
patent: 4206600 (1980-06-01), Feuling
patent: 4210107 (1980-07-01), Shaffer
patent: 4364340 (1982-12-01), Kimura
patent: 4466389 (1984-08-01), Arkus-Duntov
patent: 4784091 (1988-11-01), Okada et al.
patent: 5205244 (1993-04-01), Nakamura et al.

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