Patent ID: 6684133
Filing Date: 2004-01-27
Classification: B08B

Abstract:
A control arrangement for a high-pressure cleaning system having a high-pressure pump and at least one spraying device which can be connected to the high-pressure pump by a high-pressure hose, the control arrangement comprising:at least one spray circuit at the spraying device; at least one analyzing circuit connected with the spray circuit and situated at a high-pressure distributor or on a high-pressure pump of a machine for determining the switching condition of an on/off switch on the spraying device; the at least one spray circuit being connected by a conductive connection at the high-pressure hose with the machine and having an on/off switch and at least one oscillator by means of which a signal identifying the switching condition of the switch can be impressed on current flow to the analyzing circuit; and a single-wire connection between the at least one spray circuit and the at least one analyzing circuit, by means of which a supply voltage is applied to the spray circuit.