| 摘要 |
The invention relates to a device in a high pressure cleaning unit comprising high pressure pump which via a pipe connection is connected to a nozzle through which liquid can flow out towards the surface which is to be cleaned. Between the pump and the nozzle an injector is placed by means of which cleaning agents or the like can be injected into the liquid. The injector has a by pass conduit through which the liquid when acting on an operating device under high pressure can pass the injector to the nozzle. In the pipe connection an injector 25 for air is inserted. |
