Patent · US Active

Hollow poppet valve and method of manufacturing

US12352188B2 · kind B2 · utility

0Cited by

2References

20Claims

0Family size

Assignee

Eaton Intelligent Power Limited · IE

Inventors

Pierfrancesco De Giovanni · Lecce, IT
Luigi Lia · Torino, IT
Marco Aimo Boot · Caselle Torinese, IT

Key dates

Filing date	Apr 16, 2024
Grant date	Jul 8, 2025
Priority date	—
Expiry date	Apr 16, 2044

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01L2303/00
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

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 outer 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 outer contact face portion to form together with the first outer contact face portion a valve head contact face.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.