Intake system for multiple valve type engine

Details Intake system for multiple valve type engine Intake system for multiple valve type engine

1981-11-19

1985-06-04

Lall, Parshotam S.

Internal-combustion engines

Means to whirl fluid before, upon, or after entry into...

Having multiple oxidant inlet means

123315, 123 52M, F02M 3510

Patent

active

045207755

ABSTRACT:
An improved performance internal combustion engine having a pair of intake passages that supply the charge to a single chamber of the engine. A valving arrangement is provided so that the idle charge is supplied primarily through one of the intake passages and the full load charge is supplied through both passages. An interconnecting passage interconnects the passages with each other downstream of the throttle valves so that at least a portion of even the idle charge will be supplied through both passages to cool the intake valves associated with the passages and to ensure against the collection of deposits. In accordance with a feature of the invention, a pair of spark plugs are positioned in the chamber at its outer periphery on diametrically opposite sides of the cylinder.

REFERENCES:
patent: 2481890 (1949-09-01), Toews
patent: 3698371 (1972-10-01), Mitsuyama et al.
patent: 4256068 (1981-03-01), Irimajiri et al.
patent: 4264535 (1981-04-01), Kikura
patent: 4270500 (1981-06-01), Nakagawa et al.
patent: 4271801 (1981-06-01), Yamakawa et al.
patent: 4300504 (1981-11-01), Tezuka
patent: 4317438 (1982-03-01), Yagi et al.

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