Internal combustion engine

Details Internal combustion engine Internal combustion engine

1982-12-21

1984-08-21

Feinberg, Craig R.

Internal-combustion engines

Particular piston and enclosing cylinder construction

Cylinder detail

92177, F02F 328

Patent

active

044664001

ABSTRACT:
A piston and cylinder are oblong in cross section with the major dimension at right angles to the crankshaft axis. An inlet valve and an exhaust valve are mounted near opposed end portions of the oblong cylinder with a spark plug arranged along the minor centerline, either between the valve or displaced laterally from the major centerline of the cylinder. The valves are symmetrically inclined with respect to the central axis of the oblong cylinder, and are operated from separate camshafts. The combustion chamber roof is a concave surface having both major and minor centerline surface elements which employ radii of curvature greater than the radius of curvature of the cross-sectional ends of the oblong cylinder.

REFERENCES:
patent: 2257417 (1941-09-01), Kelley
patent: 2409555 (1946-10-01), Gadoux et al.
patent: 3090368 (1963-05-01), Buchwald
patent: 3441012 (1969-04-01), Trammell, Jr.
patent: 3722484 (1973-03-01), Gordini
patent: 4177772 (1979-12-01), Franke
patent: 4256068 (1981-05-01), Irimajiri et al.
patent: 4350126 (1982-09-01), Honda

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