- Patent Title: Aspirating face seal assembly and a method of operating the same
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Application No.: US15143878Application Date: 2016-05-02
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Publication No.: US10428673B2Publication Date: 2019-10-01
- Inventor: Rodrigo Rodriguez Erdmenger , Nathan Evan McCurdy Gibson , Quang Tue Nguyen Tran
- Applicant: General Electric Company
- Applicant Address: US NY Schenectady
- Assignee: GENERAL ELECTRIC COMPANY
- Current Assignee: GENERAL ELECTRIC COMPANY
- Current Assignee Address: US NY Schenectady
- Agency: The Small Patent Law Group LLC
- Agent Christopher R. Carroll
- Main IPC: F01D11/02
- IPC: F01D11/02 ; F16J15/34 ; F16J15/44 ; F01D11/04

Abstract:
An aspirating face seal assembly for a turbo-machine including a rotor assembly having a first radially extending portion defining a rotor surface is disclosed. The aspirating face seal assembly includes a seal body including a second radially extending portion defining a bearing surface and having a plurality of return channels. The second radially extending portion is disposed in the turbo-machine such that the bearing surface is disposed facing the rotor surface. The aspirating face seal assembly further includes an annular ring including one or more openings. The annular ring is concentrically disposed on the second radially extending portion and between the rotor surface and the second radially extending portion and configured to rotate in an event of rub between the first radially extending portion and the annular ring. A turbo-machine including the aspirating face seal assembly and a method for operating an aspirating face seal are also disclosed.
Public/Granted literature
- US20170314409A1 ASPIRATING FACE SEAL ASSEMBLY AND A METHOD OF OPERATING THE SAME Public/Granted day:2017-11-02
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