Patent ID: 8171909
Filing Date: 2012-05-08
Classification: F01L

Abstract:
1. An internal combustion engine, comprising an engine block which forms internally at least one cylinder, a head which contains a cylindrical rotary distributor which is adapted to connect, by means of at least two internal ports which are substantially transverse to the axis of said cylindrical rotary distributor, a combustion chamber of said at least one cylinder alternately to the air intake and to the gas exhaust, a plate for closing said head in an upper region, in which intake and exhaust conveyance channels of the engine are provided, further comprising, for each at least one cylinder, a single sealing element which is arranged between said at least one cylinder and said rotary distributor, said sealing element having a cradle which is shaped complementarily with respect to said rotary distributor and a cylindrical protrusion which is substantially shaped complementarily with respect to the upper portion of the sleeve of the corresponding said at least one cylinder, said protrusion having an open cavity which forms the combustion chamber of said cylinder, said cradle being adapted to adhere against said rotary distributor during the compression and combustion steps of the combustible fluid in said combustion chamber, said sealing element having at least one port for connection between said combustion chamber and said at least two internal ports of said rotary distributor which is formed through said cradle, said upper closure plate of said head having a portion, which is inserted between the walls of said head, which faces and is substantially shaped complementarily with respect to said rotary distributor.