Invention Application
- Patent Title: METHOD AND SYSTEM TO SUPPLY OIL TO A MULTI-FILM OIL DAMPER
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Application No.: US16355972Application Date: 2019-03-18
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Publication No.: US20200300120A1Publication Date: 2020-09-24
- Inventor: Thomas VEITCH , David BEAMISH , Philippe BONNIERE
- Applicant: PRATT & WHITNEY CANADA CORP.
- Main IPC: F01D25/16
- IPC: F01D25/16 ; F16F15/023 ; F01D25/04 ; F16C27/04

Abstract:
A multi-film oil damper has an annular damper cavity defined within a housing between a radially outward wall, a first radially extending side wall and a second radially extending side wall. Nested damper rings are disposed within the annular damper cavity for defining squeeze film annuli therebetween. The squeeze film annuli are fluidly connected in parallel to an inlet gallery.
Public/Granted literature
- US11125110B2 Method and system to supply oil to a multi-film oil damper Public/Granted day:2021-09-21
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