Patent · US Active

Sleeved rocker shaft for type III heavy duty valve train

US12221909B2 · kind B2 · utility

0Cited by

0References

11Claims

0Family size

Assignee

Eaton Intelligent Power Limited · IE

Inventors

Ramy Rezkalla · Kalamazoo, US
Andrei Dan Radulescu · Marshall, US
Ryan Krieger · Portage, US

Key dates

Filing date	Jun 9, 2022
Grant date	Feb 11, 2025
Priority date	—
Expiry date	Jul 3, 2042

Classification

Technology area (CPC F)Mechanical Engineering; Lighting; Heating
CPC primaryF01M2001/064
WIPO fieldEngines, pumps, turbines
WIPO sectorMechanical engineering

Abstract

A rocker shaft assembly configured to support a rocker arm and deliver oil to the rocker arm and related method of making is provided. The rocker shaft assembly includes a core shaft and a sleeve. The core shaft has a core body including a main oil supply channel formed thereon. The sleeve has passages formed thereon. The sleeve is disposed around the core shaft. The main oil supply channel aligns with at least one of the passages on the sleeve. The main oil supply is milled into the core shaft.

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