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A spherical rotary valve assembly for an internal combustion engine of the piston and cylinder type wherein the spherical rotary valve assembly is positioned within a split cylinder head having an upper and lower section, such when secured defines a cavity for a rotational shaft having mounted there

A spherical rotary valve assembly for an internal combustion engine of the piston and cylinder type wherein the spherical rotary valve assembly is positioned within a split cylinder head having an upper and lower section, such when secured defines a cavity for a rotational shaft having mounted thereon, an intake drum and exhaust drum for each cylinder, the lower half of the split head cylinder head having positioned therein, the inlet port and outlet port for the cylinder, the split cylinder head having an intake passageway and an exhaust passageway in communication with the drum cavities in the split cylinder head, the rotation of the respective intake drum and exhaust drum within their respective cavities interrupting the respective flow of the fuel air mixture or the exhaust gases to or from the cylinder by means of passageways within the drums, the drums rotating within the cavities in a gas tight sealing rotation on an annular sealing means axially positioned about the inlet port and outlet port in the lower section of the split head assembly such that the frictional contact encountered is that of the drums in contact with the seals and the shaft in contact with journaled bearings in the split head assembly, there being a pair of drums associated with each cylinder.

대표청구항 ▼

A spherical rotary valve assembly for use in internal combustion engines of the piston and cylinder type, said spherical rotary valve assembly comprising: a removable two-piece cylinder head securable to the internal combustion engine, said two-piece removable cylinder head comprising an upper and l

A spherical rotary valve assembly for use in internal combustion engines of the piston and cylinder type, said spherical rotary valve assembly comprising: a removable two-piece cylinder head securable to the internal combustion engine, said two-piece removable cylinder head comprising an upper and lower cylinder head section, said upper and lower cylinder head section when secured to said internal combustion engine define a cavity radially aligned with the cylinders of said internal combustion engine, said cavity defining a first drum accommodating cavity and a second drum accommodating cavity for each of said cylinder of said internal combustion engine, said lower cylinder head section and said first drum accommodating cavity having an inlet port in communication with said cylinder; said lower cylinder head section and said second drum accommodating cavity having an outlet port in communication with said cylinder; a sealing means associated with said inlet and said outlet port; a first passageway for the introduction of a fuel/air mixture into said cylinder head by way of said first drum accommodating cavity and a second passageway for the evacuation of exhaust gases from said cylinder by way of said second drum accommodating section; a shaft means journaled on bearing surfaces within said cavity of said removable two-piece cylinder head, said shaft having positioned thereon a first drum in said first drum accommodating cavity and a second drum in said second drum accommodating cavity for each said cylinder, each drum having a spherical section defined by two parallel planes of a sphere, the planes being disposed symmetrically about the center of said sphere, the intersection between the planes and the spherical section being rounded off defining a drum having a spherical periphery and planer end walls; said shaft means occupying said journaled bearing surface in said cavity in gas tight sealing contact, each of said drums occupying said drum accommodating cavity in gas tight sealing contact with said inlet port and said outlet port in said lower cylinder head section and in isolation from each other; said first drum interrupting said first passage for introduction of said fuel/air mixture to the engine and said second drum interrupting said second passage for evacuation of exhaust gases from said engine, wherein said shaft means and said drums are rotated at a speed related to the operating cycle of the engine such that said first drum makes successive contact with the inlet port of said cylinder and said first passageway to transfer successive charges of fuel air/mixture to the cylinder during rotation of the shaft and said second drum makes successive contact with the outlet port of said cylinder and said second passageway to evacuate successive charges of exhaust gases from the cylinder during rotation of the shaft.