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:
Mar. 22, 2022
Filed:
Sep. 19, 2018
Minimax Gmbh, Bad Oldesloe, DE;
Peter Kempf, Bad Oldesloe, DE;
Frank Stachowitz, Ratzeburg, DE;
Minimax GmbH, Bad Oldesloe, DE;
Abstract
The invention concerns a dry alarm valve station of a fire extinguishing installation. According to the invention it is proposed that the dry alarm valve station includes an alarm valve, an alarm line connected to the alarm valve, an alarm alert device, preferably with an alarm pressure switch, which is connected to the alarm line and is configured to trigger an alarm signal when there is a predetermined fluid pressure in the alarm line, and a pressure-operated valve which is interposed between the alarm alert device and the alarm valve, is controlled by a control chamber, and is configured to block the alarm line as long as there is the predetermined control pressure in the control chamber and to open it when the pressure falls below the predetermined control pressure in the control chamber.