Internal-combustion engines – Combined devices – Generating plants
Patent
1975-12-08
1977-03-01
Vrablik, John J.
Internal-combustion engines
Combined devices
Generating plants
418 33, F02B 5514, F01C 100, F04C 1700
Patent
active
040096912
ABSTRACT:
In an internal-combustion engine having a cylindrical casing and two sets of pistons mounted in the casing for rotation about the casing axis and for angular reciprocating movement of one set relative to the other set, whereby combustion chambers between the two sets alternatingly expand and contract, the circumferential faces of all pistons sealingly engage the casing wall, the circumferential faces in one set of pistons being much wider than in the other set. Recesses in each of the wide faces bound an elongated land obliquely inclined relative to the casing axis while the narrow circumferential faces are axially elongated. The ports in the casing wall alternatingly opened and closed by the piston faces are parallelogram-shaped, two sides of each parallelogram being parallel with the direction of elongation of the lands, the other two sides being parallel with the narrow circumferential faces when the ports are covered by the faces respectively.
REFERENCES:
patent: 2346014 (1944-04-01), Downey
patent: 3282258 (1966-11-01), Sinnott
patent: 3381669 (1968-05-01), Tschudi
patent: 3779215 (1973-12-01), Sabet
Berman Hans
Vrablik John J.
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