Intake system for multiple-cylinder engine

Details Intake system for multiple-cylinder engine Intake system for multiple-cylinder engine

1988-04-20

1989-07-11

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

123 52ML, F02B 7518

Patent

active

048461172

ABSTRACT:
A intake system for a multiple-cylinder engine having a plurality of cylinders has a common intake passage open to the atmosphere at its upstream end, a plurality of discrete intake passages which communicate the respective cylinders with the common intake passage by way of intake ports, and a circular passage which is communicated with the cylinders and is adapted to propagate pressure waves generated by the intake strokes without reflecting the pressure waves. A part of the circular passage which does not form a part of the intake air path through which intake air is introduced into the cylinders is smaller in cross-section than a part of the circular passage which forms a part of the intake air path.

REFERENCES:
patent: 906393 (1908-12-01), Dock
patent: 1938164 (1933-12-01), Zurmuhle
patent: 4440120 (1984-04-01), Butler
patent: 4649871 (1987-03-01), Hatamura et al.
patent: 4738229 (1988-04-01), Wada et al.

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