Patent ID: 6895923

Claim:
A rotary engine assembly, comprising: a three dimensional and substantially cylindrical shaped outer casing; a plurality of pistons mounted in circumferentially traversable fashion within said casing, at least one selected piston incorporating an extending male feature, at least one further selected piston incorporating a recess within which said male feature seats at selected stages during a rotary combustion cycle associated with said pistons; a valve operable with each of said pistons and in order to communicate, to said associated piston, at least one air intake port and exhaust port extending through said casings and during discrete stages of said combustion cycle; a plurality of ratchet plates attached to said pistons and traversable therewith, said ratchet plates engaging and actuating in rotary fashion a central crankshaft; and an oil feed line associated with a central location of said engine assembly, said oil being disbursed through centrifugal force throughout said pistons and associated contact surfaces and recollecting in gravity fashion within a lowermost disposed oil pan.