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The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Patent No.:

US 12221909 B1

PDFFull Text
Date of Patent:
Feb. 11, 2025

Filed:

Jun. 09, 2022

Sleeved rocker shaft for type iii heavy duty valve train

Applicant:

Eaton Intelligent Power Limited, Dublin, IE;

Inventors:

Ramy Rezkalla, Kalamazoo, MI (US);

Andrei Radulescu, Marshall, MI (US);

Ryan Krieger, Portage, MI (US);

Assignee:

Eaton Intelligent Power Limited, Dublin, IE;

Attorney:

Meunier Carlin & Curfman LLC

Primary Examiner:

Kenneth J Hansen

Assistant Examiner:

Kelsey L Stanek

Int. Cl.
CPC ...
F01L 1/18 (2006.01); B23C 3/00 (2006.01); F01L 9/10 (2021.01); F01L 13/00 (2006.01); F01M 1/06 (2006.01); F01M 9/10 (2006.01);
U.S. Cl.
CPC ...
F01L 1/181 (2013.01); B23C 3/00 (2013.01); F01L 1/18 (2013.01); F01L 9/10 (2021.01); F01L 13/0005 (2013.01); F01M 1/06 (2013.01); F01M 9/107 (2013.01); F01L 2013/001 (2013.01); F01M 2001/064 (2013.01);
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.

Find Patent Forward Citations

Rezkalla, Ramy. (2025). Sleeved rocker shaft for type iii heavy duty valve train (U.S. Patent No. 12221909). U.S. Patent and Trademark Office. https://idiyas.com/patent/badge/12221909

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

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