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Class Information
Number: 123/90.62
Name: Internal-combustion engines > Poppet valve operating mechanism > Rod > Self-adjusting
Description: Device wherein the rod element includes a length-changing means which functions on its own initiative in response to the presence of an incorrect amount of clearance (lash) in the operating mechanism.


Sub-classes under this class:

Class Number Class Name Patents
123/90.63 Hydraulic 14


Patents under this class:

Patent Number Title Of Patent Date Issued
7174870 Valve train of an internal combustion engine comprising a tappet and a hollow tappet pushrod Feb. 13, 2007
7077091 Polymer matrix composite pushrod Jul. 18, 2006
6854436 Composite push rod Feb. 15, 2005
6604499 Oil-through type push rod Aug. 12, 2003
3964455 Valve control mechanism Jun. 22, 1976
3963008 Method of removing a valve mounted in an internal combustion engine cylinder-head and actuating device for carrying out the said method Jun. 15, 1976



 
 
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