The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jan. 27, 2004
Filed:
Jun. 20, 2001
Hermann Frye-Hammelmann, Oelde, DE;
Manfred Reimann, Schloss Holte-Stukenbrock, DE;
Hammelmann Maschinenfabrik GmbH, Oeled, DE;
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 high-pressure hoses, and has the following: at least one spray circuit at the spraying device, at least one analyzing circuit connected with the spray circuit, the spray circuit being connected by a conductive connection at the high-pressure hose with the machine, particularly the high-pressure pump, and at least one 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 the current flow to the analyzing circuit, and one single-wire connection respectively being provided between each spray circuit and each analyzing circuit, by means of which a supply voltage can be applied to the spray circuit.