Automotive engine valve timing mechanism operated by pivoting spindle linked at both ends to coaxial housings

摘要

An automotive timing mechanism adjusts the opening and closing times of valves which admit a mixture of fuel and air to a cylinder and release exhaust gases. The mechanism adjusts the position relative to each other of two coaxial housings (1,2) The unit has a power (7) operated threaded spindle (3). One spindle end (3a) pivots with respect to the second housing, and the second end (3b) pivots with respect to the first housing (1).