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.

Date of Patent:
Jan. 16, 2024

Filed:

Aug. 09, 2018
Applicant:

L'air Liquide, Societe Anonyme Pour L'etude ET L'exploitation Des Procedes Georges Claude, Paris, FR;

Inventors:

Aurelie Caillaud, Voiron, FR;

Jean-Michel Cazenave, Seyssins, FR;

Alexandre Domenget, Gieres, FR;

Alexandre Pentagora, Seyssinet-Pariset, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A62B 7/00 (2006.01); A62B 7/14 (2006.01); A62B 9/02 (2006.01); B64D 10/00 (2006.01);
U.S. Cl.
CPC ...
A62B 7/14 (2013.01); A62B 9/022 (2013.01); B64D 10/00 (2013.01); B64D 2010/005 (2013.01); B64D 2231/025 (2013.01);
Abstract

A device for regulating breathing gas delivered to a user, comprising a gas circuit comprising a main line having at least an upstream end intended to be connected to at least one gas source and a downstream end intended to be connected to at least one user station such as a mask, the main line comprising at least one electromechanical control valve configured to regulate the gas pressure between the upstream and the downstream, the circuit comprising a secondary line comprising an upstream end intended to be connected to at least one gas source and a downstream end intended to be connected to the same user station(s), the secondary line comprising at least one auxiliary member for regulating the gas flow, the device comprising a switching system configured to control the flow of gas between the upstream and the downstream of the circuit via the main line or via the secondary line, characterized in that the auxiliary member for regulating the secondary line is a pneumatic pressure regulator.


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