Toroidal cylinder orbiting piston engine

Details Toroidal cylinder orbiting piston engine Toroidal cylinder orbiting piston engine

1974-03-15

1976-02-10

Croyle, Carlton R.

Internal-combustion engines

Combined devices

Generating plants

418 36, 418 38, F02B 5514

Patent

active

039371875

ABSTRACT:
A toroidal cylinder is provided with a slot formed around the inner wall. A central shaft carries a sunwheel engaging a set of planet gears which in turn engage a fixed ring gear secured to the cylinder adjacent the slot. A pair of rings are provided carrying sets of pistons running within the cylinder, the edges of the rings sealably running within the slot. Pins on the planet gears engage slotted arms secured to the rings so that opposite pairs of pistons move toward and away from one another in sequence thus providing compression and expansion strokes in the cylinder together with intake and exhaust strokes. A fuel mixture ignited by spark plugs or the like may be used or, alternatively, fuel injection may be utilized and inlet and exhaust ports are formed within the walls of the toroidal cylinder.

REFERENCES:
patent: 1482627 (1924-02-01), Bullington
patent: 1973397 (1934-09-01), Stromberg
patent: 2362550 (1944-11-01), Hansen
patent: 3034486 (1962-05-01), Buxton
patent: 3302625 (1967-02-01), Cunningham
patent: 3476056 (1969-11-01), Bright

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