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.:
Date of Patent:
Apr. 17, 2018
Filed:
Jun. 07, 2016
Schaeffler Technologies Ag & Co. KG, Herzogenaurach, DE;
Faheem Ahmed, Troy, MI (US);
Colin Foster, Belle River, CA;
David Chandler, Windsor, CA;
John Whitton, Milwaukee, WI (US);
Debora Manther, Royal Oak, MI (US);
Pradeep Mohan Mohan Das, Troy, MI (US);
Sumukha Nagaraj, Dearborn, MI (US);
Schaeffler Technologies AG & Co. KG, Herzogenaurach, DE;
Abstract
A switchable valve train assembly including a rocker shaft is provided. The rocker shaft includes a first chamber extending between a first axial end and a second axial end of the rocker shaft and a second chamber extending between the first axial end and the second axial end of the rocker shaft. A seepage orifice is defined between the first chamber and the second chamber and provides a fluid connection between the first chamber and the second chamber. The first chamber includes a first actuator port in fluid connection with a first intake port for a hydraulic lash adjuster. The second chamber includes a second actuator port in fluid connection with a second intake port for a locking assembly.