Two-stroke cycle engine having linear gear drive

Details Two-stroke cycle engine having linear gear drive Two-stroke cycle engine having linear gear drive

1992-10-26

1993-08-10

Wolfe, Willis R.

Internal-combustion engines

Two-cycle

Pump and cylinder coaxial

123 74AE, 1231974, F02B 7502

Patent

active

052339491

ABSTRACT:
A balanced motor two-stroke cycle engine having a linear drive includes a sealed gearcase secured to a cylinder housing having a plurality of concentric cylinders. The sealed gearcase includes a fixed ring gear, a pinion gear whose diameter is equal to the radius of the ring gear, a hub on which a piston rod is journaled for rotation, and two sets of counterweights. The piston rod moves in a linear fashion as the pinion gear rotates inside the fixed ring gear. The piston rod extends into the innermost cylinder, and a piston secured to the piston rod reciprocates linearly in the innermost cylinder. A chamber between the piston and the gearcase receives a flow of air and the air is transferred to the cylinder beneath the piston through a plurality of ports or apertures for compression. Fuel is injected into the cylinder from a pump chamber by a diaphragm that moves in response to air pressure in the cylinder beneath the piston.

REFERENCES:
patent: 1011032 (1911-12-01), Coles
patent: 2010170 (1935-08-01), Winfield
patent: 4936269 (1990-06-01), Beaty
patent: 5076456 (1991-11-01), Beachley et al.
patent: 5158046 (1992-10-01), Rucker

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