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:
Nov. 08, 2022
Filed:
Aug. 07, 2019
Dresser-rand Company, Houston, TX (US);
Nicholas Vachon, Olean, NY (US);
DRESSER-RAND COMPANY, Houston, TX (US);
Abstract
A platform seal and damper assembly for turbomachinery (), such as fluidized catalytic cracking (FCC) expanders or gas turbine engines; and methodologies for forming such assembly are provided. An axially-extending groove () is arranged on a side () of a respective platform. Groove () is defined by a radially-outward surface () at an underside of the platform and a surface () extending with a tangential component (T) toward radially-outward surface (). A seal and damper member () is disposed in groove (), where the body of seal and damper member has adjoining surfaces () configured to respectively engage, in response to a camming action, with the surfaces () that define the axially-extending groove. The camming action being effective to produce an interference fit of the seal and damper member () with the side of the respective platform () and an opposed side () of an adjacent platform.