Intake system for engine

Details Intake system for engine Intake system for engine

1991-08-07

1993-10-19

Dolinar, Andrew M.

Internal-combustion engines

Multiple cylinder

123 73V, F02B 2700

Patent

active

052536149

ABSTRACT:
Several embodiments of engine intake systems that improve the charging efficiency by providing a closed branch passage which forms a volume in the intake tract between the throttle valve and the point of discharge into an engine chamber. The illustrated embodiments of the application of this concept is to both four and two cycle engines. In addition, a plenum chamber is illustrated for permitting the effective volume of the branch passage to be increased without unduly increasing its length. The branch passage outlet in certain embodiments is oriented so that its discharge during the intake cycle increases turbulence to improve combustion efficiency.

REFERENCES:
patent: 2104371 (1935-09-01), Barker
patent: 3107659 (1963-10-01), Steinlein et al.
patent: 3687118 (1972-08-01), Nomura
patent: 3690304 (1972-09-01), Schneider et al.
patent: 3810454 (1974-05-01), Hunt
patent: 3990414 (1976-11-01), Malphettes
patent: 4194474 (1980-03-01), Endo
patent: 4231329 (1980-11-01), Ishida
patent: 4244333 (1981-01-01), Matsumoto
patent: 4254746 (1981-03-01), Chiba et al.

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