Variable cycle three-stroke engine

Details Variable cycle three-stroke engine Variable cycle three-stroke engine

1993-12-03

1995-10-03

Okonsky, David A.

Internal-combustion engines

Multiple cylinder

Cylinder offset from crankshaft axis

1231971, 123 21, F02B 7532

Patent

active

054543525

ABSTRACT:
A virtual three-stroke engine (1) with intake and compression strokes approximately one half of the power stroke of approximately 12 to one expansion ratio and with total firing cycle stroke lengths equal to approximately three expansion strokes to minimize engine throttling and frictional losses over the real world drive cycle and provide high torque from a one-to-one drive shaft RPM to engine firing cycle RPM provided by a cam type driver for controlling the piston motions and extracting the power from the piston.

REFERENCES:
patent: 1312585 (1919-08-01), Shepherd
patent: 4301776 (1981-11-01), Fleming
patent: 4387672 (1983-06-01), Crocker
patent: 4493296 (1985-01-01), Williams
patent: 4848282 (1989-07-01), Chaneac
patent: 4974555 (1990-12-01), Hoogenboom
patent: 5218933 (1993-06-01), Ehrlich

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