Induction system for internal combustion engine having multiple

Details Induction system for internal combustion engine having multiple Induction system for internal combustion engine having multiple

1985-04-11

1986-09-23

Cross, E. Rollins

Internal-combustion engines

Combustion chamber means combined with air-fuel mixture...

Air or combustible mixture entering the combustion chamber...

123 52M, 123188M, F02B 1500

Patent

active

046129030

ABSTRACT:
Each combustion chamber of the engine is communicated with (a) first and second induction passages which are dimensioned to produce an optimal ramming effect during high speed and (b) a third passage which provides good ramming during low engine speed operation. The first and second induction passages are provided with flow control valves which can be opened simultaneously or in a step-wise manner as the engine speed moves from a low speed range into a high speed one. The third passage is arranged to merge with the first so that during idling and the like, the flow of air therefrom enters the combustion chamber in a manner which produces a strong swirl and promotes good atomization of the fuel injected into the first passage by a fuel injector.

REFERENCES:
patent: 4216748 (1980-08-01), Ichida
patent: 4271802 (1981-06-01), Hori et al.
patent: 4300504 (1981-11-01), Tezuka
patent: 4304211 (1981-12-01), Tezuka et al.
patent: 4438743 (1984-03-01), Namba et al.
patent: 4469067 (1984-09-01), Futakuchi
patent: 4470391 (1984-09-01), Ishida
patent: 4528958 (1985-07-01), Yoshida et al.

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