Actively controlled valve and method for operating an actively controlled valve

A valve in accordance with claim 11, wherein the electric motor comprises a rotor which is arranged extending concentrically to the longitudinal axis and is fixedly connected to the drive spring.

A method for the operation of an actively controlled valve, the valve comprising a movably supported valve plate, a fixedly arranged counter-plate, a drive apparatus connected to the valve plate via a drive spring, and a controllable holding apparatus, the method comprising fixedly holding the valve plate in its position by the holding apparatus;

• releasing the valve plate by the holding apparatus so that the valve plate is moved by the energy stored in the drive spring;
• tensioning the drive spring is tensioned by the drive apparatus;
• and holding the valve plate by the holding apparatus again when stationary or approximately stationary.

A piston compressor, a comprising a valve, the valve comprising a housing,

• including a movably supported valve plate having passage openings and a counter-plate fixedly arranged with respect to the housing and having passage openings, wherein the valve plate is displaceably supported with respect to the counter-plate such that the passage openings form an open or closed passage,
• and including a drive apparatus which drives the valve plate, wherein the valve plate is connected to the drive apparatus via a drive spring;
• and a controllable holding apparatus is arranged to operate such that the position of the valve plate can be fixed.