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AssigneeFreevalve AB
InventorAnders Hoglund
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An actuator for axial displacement of a gas exchange valve of a combustion engine is configured to be connected to a pressure fluid source and a pressure fluid sink, respectively, and to be driven by a gaseous pressure fluid and includes an actuator piston including an actuator piston disc and an actuator piston rod projecting therefrom in the axial direction, a cylinder volume, the disc separating the cylinder volume into a first part and a second part and being displaceable back and forth in the axial direction in the cylinder volume between an inactive position and an active position, the first part being configured for controllable fluid communication with the pressure fluid source and the pressure fluid sink, respectively, and a hydraulic circuit includes a chamber, the free end of the rod being arranged therein, wherein the rod is displaceable back and forth in the axial direction in a channel.
A gas exchange valve actuator for axial displacement of a gas exchange valve of a combustion engine, the actuator (1) being configured to be connected to a pressure fluid source (HP) and a pressure fluid sink (LP), respectively, and is configured to be driven by a gaseous pressure fluid and comprises:
A combustion engine comprising:
Dependencies are inferred from the claim text.