Application head for controlled issue of flowing media

摘要

The rocker is driven by piezo components arranged on both sides of a rocker joint. The rocker (15) on both sides of the rocker joint (27) has at least one rocker arm (17), on which at least one valve component (18) is arranged. The valves are opened and closed contra-rotatingly. Each valve component acts on an application valve. One valve component acts on an application valve (23) and one on a further valve (24), which is arranged within a circulating system with a pump for the fluid medium. Both valves have a common feed channel for the medium. The piezo component (30) is connected with an on-line current supply comprising an accumulator and corresponding electronics, which on current failure indicates the position of the applicator valve and corrects the closure state.