According to the invention, a method of lubricating a DLC coated tappet pin in a combustion engine, comprising providing an oil cup on a holder substrate, said cup having a static member mounted therein immersed in an oil under selection; mounting the tapp...

A roller lifter for internal combustion engines is provided, which has higher rigidity of the lifter body, prevents cocking in the cylinder, and can achieve a size reduction. The roller lifter includes a cylindrical lifter body having a sliding surface on ...

An engine (1) provided with a valve timing change mechanism (37) capable of changing the timing of closure of the air intake valve (16). The valve timing change mechanism (37) is provided with a cam shaft (90), a first cam (91) and a second cam (92) which ...

The present invention discloses a self-adaptive hydraulic variable valve timing system for an internal combustion engine, comprising an oil pump provided on the power output shaft of the engine, wherein the oil pump is connected with a pressure regulating ...

The shaft (1) has a cabinet (2) whose inner jacket (3) passes through a bridge piece (4). A storage unit (6) for a cam approach roller (7) is provided at a driving end face surface (5) of the cabinet. A driving end (10) of the cabinet is represented as a c...

To provide a cylinder rest internal combustion engine capable of eliminating the steps in output in the case where the number of operative cylinders is changed. In a cylinder rest internal combustion engine including a plurality of cylinders divided into t...

A solenoid valve and manifold assembly for installation on an engine and connecting with hydraulic circuits in the engine for de-actuating the combustion chamber valves of selected cylinders of the engine. A manifold deck is formed with the valving channel...