公开(公告)号：US11384842B2

公开(公告)日：2022-07-12

申请号：US16758055

申请日：2018-10-22

Applicant: Eaton Intelligent Power Limited

Inventor： Alberto Aimasso ,  Mario Filippo Caloiaro ,  Luigi Lia ,  Francesca Mancuso ,  Manuel Ruscigno

IPC: F01L3/14 ,  F16K1/38 ,  B21K1/22

Abstract: 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.

公开(公告)号：US20210190212A1

公开(公告)日：2021-06-24

申请号：US16758055

申请日：2018-10-22

Applicant: Eaton Intelligent Power Limited

Inventor： Alberto Aimasso ,  Mario Filippo Caloiaro ,  Luigi Lia ,  Francesca Mancuso ,  Manuel Ruscigno

IPC: F16K1/38 ,  B21K1/22

Abstract: 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.