Eaton Intelligent Power Limited

Università Degli Studi Di Perugia

Francesca Mancuso

Luigi Lia

Riccardo Calafiore

Alberto Aimasso

Mario Filippo Caloiaro

Manuel Ruscigno

Giovanni Luca

A poppet valve includes: a valve body comprising a valve stem body, a valve head body with a valve combustion face, and a valve fillet body interconnecting the valve stem body and the valve head body. The valve fillet body surface has an increased thermal resistance compared to the valve combustion face.

Poppet valve

A poppet valve, in particular a hollow poppet valve, includes: a valve stem; a valve body having along a longitudinal axis, a first end with a neck portion to which the valve stem is coaxially arranged and having along a longitudinal axis a second end with a first conical contact face portion, the valve body including a cavity with a first opening towards the first end and a second opening towards the second end; and a valve cap coaxially arranged to the valve body on the second end for closing the second opening, the valve cap having a second conical contact face portion to form together with the first conical contact face portion a valve head contact face.

Hollow poppet valve and manufacturing method therefor

Growing community of inventors

Turin, Italy

Francesca Mancuso