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:
Feb. 08, 2005
Filed:
Mar. 25, 2002
Michael Rosenbauer, Reimlingen, DE;
Bruno Reiter, Neresheim-Kösingen, DE;
Reinhard Hering, Holzheim, DE;
Michael Weisskopf, Bopfingen, DE;
Peter Schweier, Forheim, DE;
Michael Rosenbauer, Reimlingen, DE;
Bruno Reiter, Neresheim-Kösingen, DE;
Reinhard Hering, Holzheim, DE;
Michael Weisskopf, Bopfingen, DE;
Peter Schweier, Forheim, DE;
BSH Bosch und Siemens Hausgerate GmbH, Munich, DE;
Abstract
In a water-bearing household appliance with a liquid container filled through a valve in a liquid feed line, and in which a liquid filling level is detected for monitoring at least one safety level of a safety device, the safety device includes an optical light guidance system for reflecting a light beam by which the filling level is detected with the aid of a change in the reflection response on at least one reflecting site and is used to monitor the safety level. As an optical light guidance system, the safety device offers the advantage of dispensing with moving mechanical components—for example, a float, a level switch, an operating lever, an operating rod, etc.—to reduce the risk of mechanical defects that are associated with a substantial outlay on repair time and costs to a minimum or to completely eliminate the risk.