Patent ID: 7866297

Claim:
An enclosed chamber internal combustion engine comprises: two rotary discs being opposite and having at least one half toroidal chamber located around the perimeter of said two rotary discs; at least one piston located in each of said at least one half toroidal chamber; wherein each of said two rotary discs, said at least one half toroidal chamber and said at least one piston rotate as one; an exterior casing formed to fit an exterior of said two rotary discs further comprising: at least one intake port; at least one exhaust port; at least one spark plug ratcheting teeth; at least one ratcheting lever; an output shaft; and a concentric output shaft hole being at center of said two rotary discs; wherein an approximately half perimeter of each said at least one piston is attached permanently to said at least one half toroidal chamber and another unattached half perimeter of said at least one piston slides inside said at least one half toroidal chamber, which is opposite to the previous at least one half toroidal chamber; wherein said at least one piston located in said at least one toroidal chamber physically divides said at least one toroidal chamber into separate chambers; wherein said two rotary discs oppositely rotate at different rates with one of said two rotary disc being at rest while the other opposite rotary disc rotates to vary volumes in said toroidal chambers; wherein said two rotary discs are engaged with said ratcheting teeth and at least one ratcheting lever to allow said two rotary discs rotating in only one direction; and wherein said output shaft is engaged with said ratcheting teeth and at least one ratcheting lever to allow said output shaft rotating in only one direction.