Coupling system for a planetary gear train
WG Sheridan, GJ Pagluica - US Patent 5,433,674, 1995 - Google Patents
A coupling system including a sun gear coupling (32) and a ring gear coupling (158) for
connecting the sun gear (36) and the ring gear housing (50) of a planetary gear train (26) to …
connecting the sun gear (36) and the ring gear housing (50) of a planetary gear train (26) to …
Optimizing high-speed rotating shaft vibration control: Experimental investigation of squeeze film dampers and a comparative analysis using Artificial Neural Networks …
RK Gupta, RC Singh - Expert Systems with Applications, 2024 - Elsevier
This research paper presents a comprehensive experimental and statistical approach for the
analysis of vibration amplitudes in a high-speed rotating shaft employing a squeeze film …
analysis of vibration amplitudes in a high-speed rotating shaft employing a squeeze film …
Planetary gear system arrangement with auxiliary oil system
ME McCune, WG Sheridan, LE Portlock - US Patent 9,995,174, 2018 - Google Patents
A gas turbine engine has a fan, first and second compressor stages, first and second turbine
stages. The first turbine stage drives the second compressor stage as a high spool. The …
stages. The first turbine stage drives the second compressor stage as a high spool. The …
Planetary gear system arrangement with auxiliary oil system
ME McCune, WG Sheridan, LE Portlock - US Patent 8,484,942, 2013 - Google Patents
A gas turbine engine has a fan, first and second compressor stages, first and second turbine
stages. The first turbine stage drives the second compressor stage as a high spool. The …
stages. The first turbine stage drives the second compressor stage as a high spool. The …
Planetary gear system arrangement with auxiliary oil system
WG Sheridan - US Patent 8,813,469, 2014 - Google Patents
A lubricating system for lubricating components across a rotation gap has an input that
provides lubricant to a stationary first bearing. The first bearing has an inner first race in …
provides lubricant to a stationary first bearing. The first bearing has an inner first race in …
Squeeze film damper with variable support stiffness
WS Walsh - US Patent 7,517,152, 2009 - Google Patents
(56) References Cited the sides. A first pressure source is applied to the damper chamber to
regulate the dam**. A second pressure source is US PATENT DOCUMENTS applied to …
regulate the dam**. A second pressure source is US PATENT DOCUMENTS applied to …
Experimental investigation of adaptive control applied to HSFD supported rotors
A El-Shafei, M El-Hakim - J. Eng. Gas …, 2000 - asmedigitalcollection.asme.org
This paper describes the experimental application of adaptive control to Hybrid Squeeze
Film Damper (HSFD) supported rotors. The HSFD has been shown to be an adaptive …
Film Damper (HSFD) supported rotors. The HSFD has been shown to be an adaptive …
Modeling and control of HSFDs for active control of rotor-bearing systems
A El-Shafei, JP Hathout - 1995 - asmedigitalcollection.asme.org
This paper summarizes the development of hybrid squeeze film dampers (HSFDs) for active
control of rotor vibrations. Previously, it was shown both theoretically and experimentally that …
control of rotor vibrations. Previously, it was shown both theoretically and experimentally that …
Liquid-chamber apparatus for active, dynamic balancing of rotating machinery
JC Coyne, RT LaGrotta, FA Magnotti… - US Patent …, 1996 - Google Patents
Apparatus performs active, dynamic balancing of a rotating machine by shifting the spatial
distribution of an inertial liquid within a body that co-rotates with the rotating shaft of the …
distribution of an inertial liquid within a body that co-rotates with the rotating shaft of the …
Magnetic squeeze film damper system for a gas turbine engine
AD Copeland, DW Burns, SO Clemens… - US Patent …, 2019 - Google Patents
A magnetic squeeze film damper system comprises a bearing assembly having an outer
race with a first outer surface and a first inner surface and a bearing located along the first …
race with a first outer surface and a first inner surface and a bearing located along the first …