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:
May. 03, 2016
Filed:
Apr. 18, 2013
Applicant:
Avox Systems, Inc., Lancaster, NY (US);
Inventors:
Jan M. Petroci, Depew, NY (US);
Duard C. Bennett, Kenmore, NY (US);
Assignee:
Avox Systems, Inc., Lancaster, NY (US);
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16K 21/04 (2006.01); F16K 15/00 (2006.01); F16K 1/30 (2006.01); F16K 15/02 (2006.01);
U.S. Cl.
CPC ...
F16K 15/00 (2013.01); F16K 1/307 (2013.01); F16K 15/025 (2013.01); Y10T 137/7922 (2015.04);
Abstract
A residual pressure valve configured to maintain a residual pressure within a pressure vessel to prevent contaminants or gaseous diluents from entering the vessel after it has been discharged/depressurized. In some embodiments, the residual pressure valve is situated between the pressure vessel and an upper seat of the regulator assembly and moves between an open position and a closed position to seal the pressure vessel from the upper seat of the regulator assembly when the pressure within the pressure vessel drops below a residual pressure level.