Device for dispensing a fluid

A device for dispensing a fluid comprising:

• a conveying device, and
• a container having a variable inner volume,
• wherein the conveying device comprises a cylinder having at least three openings which are arranged in series along a longitudinal center axis and via which the fluid can be conveyed,
• a first piston,
• a second piston,
• the first and the second piston are arranged in the cylinder so as to be able to be displaced along the longitudinal center axis and between end sides of the first and the second piston together with a portion of the cylinder inner wall delimit a variable fluid volume,
• a first opening of the at least three openings can be brought into fluid communication with a dispensing opening of the device and a second opening of the at least three openings can be brought into fluid communication with the container,
• the first and the second piston each comprise at least three seals which are arranged to be offset, in the longitudinal direction, and which close the cylinder in a sealing manner, and
• adjacent seals of the at least three seals on each piston have an inner spacing which is at a maximum a same size as a shortest spacing between two adjacent openings of the at least three openings.