Regie Nationale Des Usines Renault

Bertrand Hauet

Jean-Pierre Jourde

Claude Dabert

Christian Ozenfant

Afif Ahmed

Two-cycle engine with fuel injection, of the type having at least one cylinder (3) in which a piston (5) is mounted to slide. A crankshaft is connected to this piston and housed in a housing (2), cylinder (3) further communicating with an intake circuit with pressurized combustion air (7) by at least one intake orifice (17) placed in the vicinity of the bottom dead center of the piston and with a circuit for exhaust of the combustion gases. The exhaust circuit comes out in cylinder (3) by at least two exhaust orifices: a first orifice (18) placed approximately at the level of the intake orifice (17) and a second orifice (19) placed above the first.

Two-cycle engine

Electromagnetic injector of the pressure-time type, which comprises a toric electromagnet coil (2, 12) of the axisymmetric solid type, housed in a magnetic circuit support (13), as well as a mobile element consisting of a plane plate (3) solid with a liner (4) which moves a suspended needle (18) forming with a seat (45, 19), reverse clack (41) of the injector, the needle being kept at rest by return spring (20).

Growing community of inventors

Issy Les Moulineaux, France

Bertrand Hauet