#$%^&*AU2014250658A120150604.pdf#####COMPRESSED GAS MOTOR FOR OPERATION OF A LAVAGE SYSTEM ABSTRACT A compressed gas motor (1) comprises a working plunger (12), an internal space that is closed on a rear side and has the working plunger (12) arranged in it such that the working plunger (12) is mobile in linear direction, a restoring element (22) that exerts a force on the working plunger (12), at least part of the time, in the direction of the rear side, a gas inlet opening (24) for supplying a compressed gas into the internal space and a gas outlet opening (26) for discharging the gas from the internal space, wherein a control plunger (14) is arranged in the internal space between the working plunger (12) and the closed rear side such as to be mobile in linear direction, wherein the control plunger (14), in a first position, covers the gas outlet opening (26) and does not cover the gas inlet opening (24) and, in a second position, covers the gas inlet opening (24) and does not cover the gas outlet opening (26), the control plunger (14) is supported as in a bearing such as to be mobile with respect to the working plunger (12), and a catch element (18, 20, 42) is arranged on said working plunger (12) and/or control plunger (14) and pulls the control plunger (14) in the direction of the working plunger (12), at a first distance, when the working plunger (12) moves away from the control plunger (14), as well as a lavage system comprising said compressed gas motor (1).
