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:
Nov. 02, 2021
Filed:
Dec. 12, 2018
Dräger Safety Ag & Co. Kgaa, Lübeck, DE;
Christian Wilhelm, Lübeck, DE;
Dräger Safety AG & Co. KGaA, Lübeck, DE;
Abstract
A breathing bag () has a tray section () and a bag section (). The tray section () and the bag section enclose an inner volume () of variable size, the bag section dipping at least partially into the tray section to reduce the size of the inner volume. A system () includes the breathing bag, for a closed-circuit respirator (), with a dispensing valve unit () having a dispensing valve () providing a quantity of gas in a breathing circuit. An actuating unit () is functionally connected mechanically to the dispensing valve for actuating the dispensing valve. A lever component () is functionally connected mechanically to the actuating unit for activating the actuating unit. A closed-circuit respirator has the system including the breathing bag and the dispensing valve unit. A process is provided for mounting the system, including breathing bag and dispensing valve unit, in the closed-circuit respirator.