| 摘要 |
PROBLEM TO BE SOLVED: To provide a simplified vacuum motor that is intended to drive devices that are operated in a medical rinsing device for single use.SOLUTION: A vacuum motor 1 comprises a working plunger 12; a resetting element 22; a gas inlet opening 24 for supplying a compressed gas; and a gas outlet opening 26 for discharging the gas, a control plunger 14 being arranged between the working plunger 12 and a rear side 6 of an internal space, the control plunger 14, in a first position, not covering the gas outlet opening 26 and covering the gas inlet opening 24 and, in a second position, not covering the gas inlet opening 24 and covering the gas outlet opening 26, the control plunger 14 being mobile with respect to the working plunger 12, a catch element 18, 20 and/or a spacer being arranged on the working plunger 12 and/or the control plunger 14, the catch element 18, 20, upon a motion of the working plunger 12 towards a front side of the internal space, transferring the control plunger 14 into the first position, and the catch element 18, 20, upon a motion of the working plunger 12 towards the rear side 6 of the internal space, transferring the control plunger 14 into the second position. |
