Internal-combustion engines – Rotating cylinder – Radial
Patent
1977-01-14
1981-04-28
Smith, Leonard E.
Internal-combustion engines
Rotating cylinder
Radial
91491, 91498, F02B 5708
Patent
active
042638801
ABSTRACT:
A rotary engine, especially a rotary diesel engine, utilizing a pair of substantially identical cooperating rotor assemblies associated with a pair of spaced, parallel stationary intake-exhaust gas ports. Each rotor assembly includes a hub portion immediately surrounding a stationary shaft, a plurality of arms extending radially outwardly from the hub portion, a radially extending cylinder formed in each of the arms, a radially extending passageway leading from the stationary shaft to each cylinder, and a radially reciprocal piston disposed in each cylinder. The stationary shafts are so spaced and the rotor assembly so mounted that upon rotation of the rotor assemblies each piston associated with each rotor assembly will engage the hub of the other assembly upon completion of the compression stroke of the piston, and then will engage an arm of the other assembly to impart a rotational force to the arm upon radial movement of the piston during a power stroke, the rotor assemblies rotating in opposite. The casings for the rotor assemblies have an internal surface which affects inward radial movement of each piston after completion of power stroke so that gases from the cylinders are exhausted to the intake-exhaust stationary shaft. Axially spaced radially extending cooling fins may be associated with rotor assembly, and in order to minimize deterioration of the stationary shaft and cylinder passageways, the exhaust port formed in the stationary shaft extends more than 90.degree. and the exhaust stroke takes place over an arc of travel of more than 90.degree. during rotation of the rotor assemblies.
REFERENCES:
patent: 585090 (1897-06-01), Dyer
patent: 868100 (1907-10-01), Krehbiel
patent: 879512 (1908-02-01), Braunwalder
patent: 1990660 (1935-02-01), McCann
patent: 3043234 (1962-07-01), Poulin
patent: 3538893 (1970-11-01), Tinsley
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