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. 05, 2021
Filed:
Sep. 28, 2018
Applicant:
Air Products and Chemicals, Inc., Allentown, PA (US);
Inventor:
David Jonathan Chalk, Slatington, PA (US);
Assignee:
Air Products and Chemicals, Inc., Allentown, PA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
F16J 15/56 (2006.01); F16J 15/40 (2006.01); F16J 15/3284 (2016.01); F04B 39/04 (2006.01); F16J 15/38 (2006.01); F04B 39/12 (2006.01);
U.S. Cl.
CPC ...
F04B 39/045 (2013.01); F04B 39/128 (2013.01); F16J 15/3284 (2013.01); F16J 15/38 (2013.01); F16J 15/40 (2013.01); F16J 15/56 (2013.01);
Abstract
A seal assembly for a reciprocating rod of a reciprocating compressor, a reciprocating compressor with the seal assembly, and a method of operating the reciprocating compressor with the seal assembly to prevent leakage of gas once the compressor has been shut down. The pressure difference between opposite sides of a static seal is kept low during normal operation to reduce wear of the static seal. When the compressor is shut down, a high pressure difference between opposite sides of the static seal assists with sealing.