Load responsive variable stroke internal combustion engine

Internal-combustion engines – Multiple cylinder – Cylinders in-line

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Details

123 78R, 123 43AA, F02B 7526

Patent

active

040235424

ABSTRACT:
An internal combustion four cycle engine is provided with a plurality of stationarily mounted cylinders radially arranged in equal spaced apart relationship within the inner circumference of a rotatably mounted drive drum and in parallel relationship with the axis of rotation thereof, a movable track anchorably supported by a pair of oppositely disposed raised lobes fixed to the interior webbed surface of the drum and comprised of two pairs of declining slope track quadrants serving to receive the driving thrust of each piston during its power stroke and to activate each piston during its intake, compression and exhaust strokes, and a cam ring fixed to the inner circumference of the drive drum serving to activate an intake-exhaust slide of each cylinder commensurate with the requirements of its intake, compression, power and exhaust strokes. Means resiliently coupled to a hollow exterior hub of the drum and extending internally thereof into rotatable relationship with the webbed surface serves as output means for the engine and to variably elevate the declining slope track quadrants according to the torque load that is applied to the output means, whereby the pistons of the cylinders are provided with a constant power stroke and a variable intake stroke and whereby the intake stroke attains a predetermined maximum length in the presence of a torque load applied to the output means and a predetermined minimum length in the absence of a torque load.

REFERENCES:
patent: 793270 (1905-06-01), Blomgren
patent: 1738512 (1929-12-01), Andrews

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