| 摘要 |
Liquid dispenser, which comprises at least two tubing pumps (1, 2), which have been fitted side by side so that their rotors (3, 4) are mounted on the same shaft of rotation. Between each rotor (3, 4) and the shaft (5) of rotation there is a freewheel or freewheels (6 to 9), by means of which each rotor (3, 4) can be rotated by means of the shaft (5) of rotation in one direction of rotation only, i.e. either clockwise or anticlockwise. The freewheel or freewheels (8, 9) of at least one rotor (4) have been mounted in a direction opposite to the freewheel or freewheels (6, 7) of one or several other rotors (3), so that the direction of rotation of the said at least one rotor (4) is opposite to the direction of rotation of the said one or several other rotors (3). |
