Invention Grant
- Patent Title: Bearing holder having a axisymmetric sealable gimlet
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Application No.: US15037642Application Date: 2014-11-18
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Publication No.: US09932857B2Publication Date: 2018-04-03
- Inventor: Frederic Noel , Benoit Argemiro Matthieu Debray , Mario Cesar De Sousa , Gregory Ghosarossian-Prillieux , Nicolas Pommier
- Applicant: SNECMA
- Applicant Address: FR Paris
- Assignee: SNECMA
- Current Assignee: SNECMA
- Current Assignee Address: FR Paris
- Agency: Womble Bond Dickinson (US) LLP
- Priority: FR1361418 20131120; FR1362184 20131205
- International Application: PCT/FR2014/052952 WO 20141118
- International Announcement: WO2015/075371 WO 20150528
- Main IPC: F01D25/16
- IPC: F01D25/16 ; F02C7/06 ; F01D25/18 ; F16C33/76 ; F16C35/04 ; F16C35/067

Abstract:
A bypass engine bearing holder (1) that holds an upstream bearing (6) and defines, with said upstream bearing, an oil chamber (100) and an air chamber (200), comprising a frusto-conical portion (11) defining an upstream bearing chamber (160) and a downstream inner chamber (150), and includes an outer collar (13) connected, by a weld (135), to a flange (15) that extends outward from the frusto-conical portion (11). The outer collar (13) has a sealable gimlet (131) engaging with the upstream bearing (6) such as to seal the oil chamber (100). The bearing holder (1) includes a plurality of oil recovery ducts (8) leading to the downstream inner chamber (150) and to the upstream bearing chamber (160). The oil recovery ducts (8) lead to the upstream bearing chamber (160), downstream from the weld (135) of the outer collar (13) on the flange (15), the weld (135) of the outer collar (13) being axisymmetric.
Public/Granted literature
- US20160281534A1 BEARING HOLDER HAVING A AXISYMMETRIC SEALABLE GIMLET Public/Granted day:2016-09-29
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