Internal-combustion engines – Multiple cylinder
Patent
1975-12-12
1978-08-29
Lazarus, Ronald H.
Internal-combustion engines
Multiple cylinder
123 52M, 123141, F02B 7518
Patent
active
041096193
ABSTRACT:
An insert for the receiver of an intake manifold for an internal combustion engine. The receiver receives air/fuel mixture from a carburetion system, usually from a plurality of carburetor barrels, and runners exit from the receiver to conduct the mixture to respective cylinders. The insert, which can be of a selectible or adjustable contour, serves to direct the flow of mixture to the various runners in accordance with the demands of the respective cylinders. Correct selection of insert contour and size enables an individual manifold configuration to be adapted to the unique airflow pattern and volumetric requirements of an individual engine, rather than to an average engine, and also to specific performance ranges, rather than to a wider average performance range. The insert can also be movably mounted to provide for various load conditions. The invention comprehends the combination of the insert and a manifold. The invention also comprehends an insert which does not divide the charge among runners, but instead specifically affects the supply to an individual runner.
REFERENCES:
patent: 2027480 (1936-01-01), Higley
patent: 2587360 (1952-02-01), Milbrath
Lazarus Ronald H.
Mon Donald D.
Offenhauser Fred C.
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