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. 07, 2020
Filed:
Oct. 28, 2015
Dräger Safety Ag & Co. Kgaa, Lübeck, DE;
Hermann Hopermann, Kastorf, DE;
Jürgen Unger, Ahrensfelde, DE;
Marcus Romba, Ratzeburg, DE;
Mohamed Houssem Harbi, Stockelsdorf, DE;
Dräger Safety AG & Co. KGaA, Lübeck, DE;
Abstract
A connection module () for installation in a closed breathing circuit of a closed-circuit breathing apparatus (), includes an inlet port (), for connection to a first closed circuit element, an outlet port (), for connection to a second closed circuit element, a maintenance fluid inlet (), and a maintenance fluid outlet (). A maintenance device may be provided with the connection module and a controller () and control module regulated valves (). Maintenance fluid is circulated through the closed breathing circuit by the controller and valves in a state in which the connection module () is installed in the closed-circuit breathing apparatus. A method for maintaining a closed-circuit breathing apparatus includes opening the closed-circuit breathing apparatus at a point, installing the connection module or the maintenance device, and introducing maintenance fluid into the closed breathing circuit of the closed-circuit breathing apparatus through the connection module or the maintenance device.