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:
Jun. 27, 2023
Filed:
Dec. 23, 2019
Applicant:
Acd, Llc, Santa Ana, CA (US);
Inventors:
Duane Bergmann, Big Bear Lake, CA (US);
John Park, Irvine, CA (US);
Asit Singhal, Lake Forest, CA (US);
Geoff Legg, Huntington Beach, CA (US);
Assignee:
ACD, LLC, Santa Ana, CA (US);
Attorneys:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
F16J 15/16 (2006.01); F01D 11/02 (2006.01);
U.S. Cl.
CPC ...
F16J 15/164 (2013.01); F01D 11/02 (2013.01);
Abstract
There is disclosed a labyrinth seal arrangement for gas turboexpanders and the like which reduces process gas losses. The labyrinth seal includes a plurality of axially spaced seal sets with teeth facing a seal member. A plurality of vent ports in between each seal set permits extraction of gradually lower pressure process gas.