Rotary internal combustion engine with integrated supercharged f

Details Rotary internal combustion engine with integrated supercharged f Rotary internal combustion engine with integrated supercharged f

1980-10-27

1987-04-14

Hart, Douglas

Internal-combustion engines

Rotary

With means to control degree of compression

123203, 123212, 123213, 123220, F02B 5306

Patent

active

046569847

ABSTRACT:
An improved "Wankel-type" rotary engine wherein the same trochoidal cavity employed for effecting a four-phase internal combustion engine operation is also employed to perform a supercharging function in that air is compressed in one chamber (chambers being defined between seals of the rotor with the wall bounding the trochoidal cavity) and transferred to another chamber in synchronization with the latter making its transition from its intake to its compression phase, with such transference being carried out in a manner causing substantial turbulence. The engine can optionally be operated in a diesel mode with diesel fuel injection being made at the conventional phase condition, or as a spark ignition engine with gasoline carburetion of air fed to the supercharging compression chamber being effected. Engine exhaust heat is optionally applied to compressed air or air-fuel mixture as the latter is being transferred respectively in the diesel or spark mode of engine operation. All air inlets to the engine are valved to controllably limit the effective compression ratio. Internal engine valving or porting is effected by a side of the rotor covering and uncovering openings in a side wall defining a side of the trochoidal cavity.

REFERENCES:
patent: 3097632 (1963-07-01), Froede
patent: 3168078 (1965-02-01), Lamm
patent: 3319611 (1967-05-01), Terazawa
patent: 3359954 (1967-12-01), Eiermann
patent: 3647327 (1972-03-01), Manthey
patent: 3872839 (1975-03-01), Russell
patent: 3945345 (1976-03-01), Ishikawa

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