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:
Jun. 15, 2023
John Crane Inc., Morton Grove, IL (US);
Douglas J. Volden, Park Ridge, IL (US);
Syed K. Niamathullah, Glenview, IL (US);
JOHN CRANE INC., Morton Grove, IL (US);
Abstract
A mating ring for use in a dry gas seal and a dry gas seal. The mating ring includes a face that defines an inner diameter and an outer diameter. The face includes: a channel formed therein disposed between the inner diameter and the outer diameter; one or more inlet channels formed in the face that extend from the inner diameter to the channel; and one or more spiral grooves in fluid communication with the channel that extend from the channel toward the inner diameter. Alternatively, the one or more inlet channels can extend from the outer diameter to the channel and one or more spiral grooves can extend from the channel toward the outer diameter.