IN2014MU00846AIN846MU2014AIN2014MU00846AIN 2014MU00846 AIN2014MU00846 AIN 2014MU00846AIN 846MU2014 AIN846MU2014 AIN 846MU2014AIN 2014MU00846 AIN2014MU00846 AIN 2014MU00846A
Authority
IN
India
Prior art keywords
shaft
cam
rocker shaft
rocker
oil gallery
Prior art date
Application number
Inventor
Inamdar Sameer
Zope Mahesh
Panwar Anupam
Original Assignee
Tata Motors Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Tata Motors LtdfiledCriticalTata Motors Ltd
Priority to IN846MU2014priorityCriticalpatent/IN2014MU00846A/en
Publication of IN2014MU00846ApublicationCriticalpatent/IN2014MU00846A/en
The present disclosure provides a lubrication arrangement for an internal combustion engine. The arrangement comprises at least one cam shaft comprising a plurality of cams rotatably mounted in an engine head. A first rocker shaft and a second rocker shaft mounted parallel to the at least one cam shaft, comprises a plurality of rocker arms pivotally mounted thereon and engaging the at least one cam shaft for actuating valves of the internal combustion engine. A first oil gallery fluidly connected to an engine head oil gallery, wherein the first oil gallery is configured to supply lubrication oil to first rocker shaft and the second rocker shaft. Particularly, in the lubrication arrangement, at least one of the first rocker shaft and the second rocker shaft comprises a plurality of first radial holes for lubricating at least one of the cam and the cam-follower contact surfaces. FIG. 1