Intake system for rotary piston engines

Details Intake system for rotary piston engines Intake system for rotary piston engines

1985-04-17

1986-12-09

Hart, Douglas

Internal-combustion engines

Rotary

With charge treatment means

123 52MB, 123242, F02B 5304

Patent

active

046273956

ABSTRACT:
A two rotor type rotary piston engine includes an intake system comprised of including individual intake ports provided in at least one of the intermediate and side housings to open to the respective rotor cavities and adapted to be cyclically closed by the rotors as the rotors rotate, an intake passage including individual passages leading respectively to the intake ports and opened to a surge tank through openings which are opposed to each other with a spacing therebetween. The overall length of the individual passages and the spacing between the openings is determined with respect to the intake port timings so that a compression wave produced in one individual passage in opening timing of one intake port is transmitted to the other intake port just before the other intake port is closed to obtain an additional charge under a specific engine speed range.

REFERENCES:
patent: 3370575 (1968-02-01), Soubis
patent: 3476092 (1969-11-01), Yamamoto
patent: 3491733 (1970-01-01), Soubis
patent: 3796048 (1974-03-01), Annus et al.
patent: 4020800 (1977-05-01), Ishikawa
patent: 4259840 (1981-04-01), Tenney
patent: 4388907 (1983-06-01), Sugo et al.
patent: 4423711 (1984-01-01), Tadokoro et al.
patent: 4425883 (1984-01-01), Tadokoro et al.
patent: 4566412 (1986-01-01), Tadokoro
Okimoto et al, "Improvement of Rotary Engine Performance by New Induction System" SAE Paper 83101, 6/6-9/83.

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