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:
Dec. 31, 2024
Filed:
Aug. 11, 2021
Applicant:
Air Products and Chemicals, Inc., Allentown, PA (US);
Inventors:
Bo Jin, Orefield, PA (US);
Matthew Joseph Okasinski, Harleysville, PA (US);
Fei Chen, Whitehouse Station, NJ (US);
Assignee:
Honeywell LNG LLC, Wilmington, DE (US);
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F25J 1/02 (2006.01); F25J 1/00 (2006.01);
U.S. Cl.
CPC ...
F25J 1/0247 (2013.01); F25J 1/0022 (2013.01); F25J 1/0254 (2013.01); F25J 2270/66 (2013.01); F25J 2280/10 (2013.01);
Abstract
A method to control the cooldown of main heat exchangers in liquefied natural gas plant. The method provides for the automated control of a flow rate of a natural gas feed stream through a heat exchanger based on one or more process variables and set points. The flow rate of refrigerant streams through the heat exchanger is controlled by different process variables and set points, and is controlled independently of the flow rate of the natural gas feed stream.