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  • A hydraulic valve actuator system for an internal combustion engine in which an engine driven pump means supplies fluid, at high pressure, sequentially to an N number of outlets, each outlet being connected by a check valve and a fluid delivery conduit to an associated actuator means for a poppet valve in a set of N number of poppet valves for the engine, each actuator means including an actuator
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  • freepatentsonline.com