Control valve for liquid, e.g. for diesel injectors, has piezoactor and hydraulic transmission consisting of two pistons enclosing hydraulic chamber (6') is activated by which is filled with silicone

摘要

The control valve for a liquid has a piezoactor (4) and a hydraulic transmission consisting of a first (7) and second (6) piston enclosing a hydraulic chamber (5). A valve slide (6') is activated by the piezoactor. The novel feature is that the hydraulic chamber is filled with a silicone medium (sic).