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:
Oct. 22, 2002
Filed:
May. 25, 2000
Horst Kunkel, Stuttgart, DE;
Hansa Metallwerke AG, , DE;
Abstract
A device for degerminating water passing through a sanitary appliance subjects water flowing through a housing and a filtering device in the housing, to radiation, thereby destroying the micro-organisms in the water and/or the filtering device. An energy supply circuit for a UV lamp is controlled by an electronic control unit which receives a “switch-on” signal produced as follows: when a manually-operated valve in a fresh water supply is opened, pressure on a pressure sensor falls; a magnetic valve initially remaining closed. A corresponding electrical signal is then sent to the electronic control unit, which activates the energy supply circuit and opens the magnetic valve in a set time sequence. When the manually-operated valve is closed, the pressure on the pressure sensor rises. The corresponding electrical signal is then sent to the electronic control unit, which in turn deactivates the energy supply circuit according to certain time factors.