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：US11767774B2

公开(公告)日：2023-09-26

申请号：US16759745

申请日：2018-10-17

Applicant: Eaton Intelligent Power Limited

Inventor： Alberto Aimasso ,  Luigi Lia ,  Francesca Mancuso

IPC: F01L3/04 ,  C23C4/01 ,  C23C4/11 ,  C23C4/129 ,  C23C4/134 ,  B21K1/22 ,  B23P15/00 ,  C23C4/02 ,  F16K1/38

CPC classification number: F01L3/04 ,  B21K1/22 ,  B23P15/002 ,  C23C4/01 ,  C23C4/02 ,  C23C4/11 ,  C23C4/129 ,  C23C4/134 ,  F16K1/385 ,  F01L2303/00

Abstract: 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.

公开(公告)号：US20210180479A1

公开(公告)日：2021-06-17

申请号：US16759745

申请日：2018-10-17

Applicant: Eaton Intelligent Power Limited

Inventor： Alberto Aimasso ,  Luigi Lia ,  Francesca Mancuso

IPC: F01L3/04 ,  F16K1/38 ,  B21K1/22 ,  B23P15/00 ,  C23C4/129 ,  C23C4/134 ,  C23C4/11 ,  C23C4/02 ,  C23C4/01

Abstract: 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.

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.