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. 15, 2022
Filed:
Mar. 17, 2022
Applicant:
Msa (Suzhou) Safety Equipment R&d Co., Ltd., Suzhou, CN;
Inventors:
Longteng Yu, Suzhou, CN;
Lida Zhu, Suzhou, CN;
Carsten Christian Leuschner, Berlin, DE;
Wolfgang Heinz Adolf Kirchner, Berlin, DE;
Assignee:
MSA (Suzhou) Safety Equipment R&D Co., Ltd., Jiangsu, CN;
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
A62B 9/02 (2006.01); A62B 7/04 (2006.01); B63C 11/22 (2006.01);
U.S. Cl.
CPC ...
A62B 9/025 (2013.01); A62B 7/04 (2013.01); B63C 11/2227 (2013.01);
Abstract
A pressure regulator assembly for an SCBA includes a valve assembly having a piston, a cylinder for receiving the piston, a sealing member for engagement by the piston, a conduit extending through the piston and facilitating fluid communication between an inlet chamber and a cavity of the cylinder, and a driving assembly for facilitating the engagement and disengagement of the piston responsive to a change of pressure in the outlet chamber. A bypass assembly for an SCBA is also disclosed.