Internal-combustion engines – Multiple cylinder
Patent
1983-02-22
1985-04-30
Feinberg, Craig R.
Internal-combustion engines
Multiple cylinder
F02B 3704
Patent
active
045136998
ABSTRACT:
A multicylinder reciprocating piston type internal combustion engine has an intake gas resonance system associated with a group of engine cylinders whose suction strokes do not significantly overlap. The system includes a resonator vessel communicating with intake openings of the cylinders. The system further has a resonance tube communicating, with an end thereof, with the resonator vessel. The resonance tube has a length portion terminating at the resonator vessel and having cross-sectional areas increasing towards the resonator vessel. The cross-sectional area taken at the end of the resonance tube where it joins the resonator vessel is at least 1.2 times greater than the minimum cross section of the resonance tube. The distance between the end of the resonance tube joining the resonator vessel and an oppositely located inner wall face of the resonator vessel is greater than the diameter of a circle whose area equals the cross-sectional area taken at that end of the resonance tube. Further, the volume of a resonating space composed of the volumes of suction pipes connecting the cylinders with the resonator vessel, the volume of the resonator vessel and an average cylinder volume related to one cycle of oscillation and communicating with the resonator vessel during one oscillating cycle is at least 2.5 times greater than the volume of the resonance tube.
REFERENCES:
patent: 3796048 (1974-03-01), Annus et al.
patent: 4064696 (1977-12-01), Cser
patent: 4300488 (1981-11-01), Cser
Autoipari Kutato es Fejleszto Vallalat
Feinberg Craig R.
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