| 摘要 |
A device is disclosed for controlling the respective phased rotation relative to one another of two rotating shafts. The device of the invention finds particular application with respect to automotive engines and sequential operations associated therewith. The rotational displacement, for example, of a cam shaft used to control the opening and closing of engine valves can be controlled with respect to the phasing of rotation of the crankshaft of an engine. The invention finds particular application with regard to a unique, cam actuated valve lifter. In addition, such functions as fuel injection, ignition timing and other sequential operations in an internal combustion engine can be controlled relative, for example, to the rotation crankshaft.
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