Invention Grant
- Patent Title: Lubrication of journal bearing during clockwise and counter-clockwise rotation
-
Application No.: US14769015Application Date: 2013-12-31
-
Publication No.: US10208624B2Publication Date: 2019-02-19
- Inventor: Loc Quang Duong , Xiaolan Hu , Ernest Boratgis , Michael E. McCune
- Applicant: UNITED TECHNOLOGIES CORPORATION
- Applicant Address: US CT Farmington
- Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee: UNITED TECHNOLOGIES CORPORATION
- Current Assignee Address: US CT Farmington
- Agency: Cantor Colburn LLP
- International Application: PCT/US2013/078435 WO 20131231
- International Announcement: WO2014/133669 WO 20140904
- Main IPC: F01D25/20
- IPC: F01D25/20 ; F02C7/36 ; F16H57/04 ; F01D25/18 ; F02K3/06 ; F02C3/107 ; F01D5/02 ; F01D15/08 ; F01D15/12 ; F01D25/16 ; F04C2/344 ; F04C13/00 ; F04C15/00
Abstract:
The present disclosure is applicable to all gear trains using a journal bearing as a means of supporting gear shaft rotation. It is related in some embodiments to a system and method for supplying lubricant to the journal bearings of a gear-turbofan engine gear train when the fan rotor is subjected to a wind-milling condition in both directions, either clockwise or counter-clockwise.
Public/Granted literature
- US20150377066A1 LUBRICATION OF JOURNAL BEARING DURING CLOCKWISE AND COUNTER-CLOCKWISE ROTATION Public/Granted day:2015-12-31
Information query
