Rotary combustion engine exhaust gas recirculation system

Details Rotary combustion engine exhaust gas recirculation system Rotary combustion engine exhaust gas recirculation system

1975-05-02

1977-03-01

Gordon, Clarence R.

Internal-combustion engines

Combined devices

Generating plants

60901, 123119A, 123 845, F02B 5310

Patent

active

040096890

ABSTRACT:
A rotary combustion engine is provided with an exhaust gas recirculation system that is responsive to both exhaust gas pressure and inlet vacuum and is operable to connect the working chambers adjacent their trailing end to the intake port through a variable size opening only when the chambers are nearing the end of the exhaust phase so that the differential between the pressure of the exhaust gases and the inlet mixture causes exhaust gases rich in unburned hydrocarbons in the trailing region of the chambers during the exhaust phase to flow at a rate increasing with decreasing inlet vacuum to the inlet port and thereafter be recirculated through the intake, compression and expansion phases.

REFERENCES:
patent: 3783839 (1974-01-01), Shimizu
patent: 3795228 (1974-03-01), Shimizu
patent: 3800764 (1974-04-01), Mizuno
patent: 3834363 (1974-09-01), Goto
patent: 3844260 (1974-10-01), Scott
patent: 3844261 (1974-10-01), Garcea
patent: 3867910 (1975-02-01), Galonska
patent: 3901202 (1975-08-01), Hollis

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