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| Application No. | Application Title | Issue Date |
| 20120080272 | REDUCED GULP FLUID RESERVOIR An assembly includes a reservoir for holding a fluid, and a scavenge passage connected to the reservoir at a reservoir inlet. The scavenge passage returns the fluid from a delivery location to the reservoir. A bleed passage is connected in fluid communication between th... | 04/05/2012 |
| 20110315484 | LUBRICATION SYSTEM FOR AIRCRAFT ENGINE A lubrication system for an aircraft engine includes a lubrication fluid tank and a fluid passage communicating with the tank to define an entry of the passage inside the tank. The entry is positioned in a location submerged in the lubrication fluid for delivery of the ... | 12/29/2011 |
| 20110302903 | LUBRICATION DRIVEN GAS TURBINE ENGINE ACTUATION SYSTEM A lubrication system for a gas turbine engine includes a variable output lubricant pump operable to supply lubricant to an actuator system.... | 12/15/2011 |
| 20110284328 | ASSEMBLY INCLUDING AN AGB AND AN OIL TANK An assembly that includes an accessory gearbox (AGB) and a tank for a liquid lubricant for a turbojet engine. The AGB includes a gear connected to parallel shafts for mechanically driving accessories. The assembly includes a housing with two compartments and a partition... | 11/24/2011 |
| 20110155508 | ON-DEMAND LUBRICATION SYSTEM FOR IMPROVED FLOW MANAGEMENT AND CONTAINMENT An oil circulation system for a gas turbine engine includes a variable displacement scavenge pump for pumping oil, a first actuator for controlling displacement of the scavenge pump, a variable displacement pressure pump for pumping oil, a second actuator for controllin... | 06/30/2011 |
| 20110108360 | OIL CAPTURE AND BYPASS SYSTEM An assembly for capturing lubricating liquid from a fan drive gear system of a gas turbine engine includes a gutter and an auxiliary reservoir. The gutter is positioned radially outward from a centerline axis of the gear system for capturing lubricating liquid slung fro... | 05/12/2011 |
| 20110048856 | LUBRICATION SYSTEM WITH POROUS ELEMENT A lubrication system for a gas turbine engine including at least one porous element located in a cavity containing at least one rotating component receiving a flow of the lubricant, the porous element being located across a path taken by a portion of the lubricant expel... | 03/03/2011 |
| 20110031067 | Turbocharger Lubrication Feed Adapter A fitting or adapter for attaching connecting an oil feed tube to a bearing housing of a turbocharger includes a body having a cylindrical sidewall with a central through-channel and an annular groove on an outside thereof for holding a seal ring, such as an O-ring. The... | 02/10/2011 |
| 20100212281 | AUXILIARY PUMP SYSTEM FOR FAN DRIVE GEAR SYSTEM A pump system for lubricating a bearing in a gear system includes an auxiliary pump connected to the gear system. The auxiliary pump is fluidically connected to the bearing through an auxiliary supply passage and to a reservoir through an auxiliary scavenge passage. An ... | 08/26/2010 |
| 20100213010 | Automatic Shut-Off Valve For The Oil Circuit In An Airplane Engine The present invention concerns a lubrication system in a closed circuit provided with a valve comprising a first position and a second position, as well as an IN inlet, a first BP outlet and a second M outlet, said IN inlet being connected to the outlet of the feed pump... | 08/26/2010 |
| 20100154427 | FLOW RESTRICTOR FOR LUBRICATION LINE A flow restrictor is provided for a lubrication circulation system. The flow restrictor comprises a body configured to obstruct a flow of lubricant within the lubricant circulation system. The body has one or more through holes communicating with upstream and downstream... | 06/24/2010 |
| 20100065375 | REDUCED GULP FLUID RESERVOIR An assembly includes a reservoir for holding a fluid, and a scavenge passage connected to the reservoir at a reservoir inlet. The scavenge passage returns the fluid from a delivery location to the reservoir. A bleed passage is connected in fluid communication between th... | 03/18/2010 |
| 20100065374 | CONTINUOUS SUPPLY FLUID RESERVOIR An assembly for holding a fluid includes an auxiliary reservoir inside a main reservoir. The auxiliary reservoir includes an auxiliary reservoir shell with a fill passage at or near its bottom. The auxiliary reservoir shell also has a vent passage at or near its top. Th... | 03/18/2010 |
| 20100058729 | Lubricant scavenge arrangement There is disclosed a lubricant scavenge arrangement provided on a chamber having an outer wall and configured to house a lubricated rotative component for rotation about an axis. The scavenge arrangement comprises: a substantially elongate channel provided in a substant... | 03/11/2010 |
| 20100038173 | LUBRICANT SCOOP A lubricant scoop is disclosed herein. The lubricant scoop comprises an annular body encircling a central axis. The annular body is operable to rotate about the central axis in a first direction. The lubricant scoop also comprises a plurality of lubricant passageways de... | 02/18/2010 |
| 20100028127 | TURBINE ENGINE LUBRICATION METHOD AND SYSTEM A method and a system for lubricating a turbomachine including an oil tank, an oil feed pump, an oil/air separator, and at least two enclosures closed by air flow rate seals, each including a low outlet and housing shaft-supporting rolling bearings. The method injects o... | 02/04/2010 |
| 20100025158 | Gas Turbine Engine Systems and Methods Involving Oil Flow Management Gas turbine engines systems and methods involving oil flow management are provided. In this regard, a oil pressure analysis system for a gas turbine engine is operative to: receive information corresponding to measured oil pressure and rotational speed during a start up... | 02/04/2010 |
| 20100012434 | Gas turbine oil supply system and method for the operation of a bearing oil supply system for a gas turbine A gas turbine oil supply system and a method for the operation of a bearing oil supply system for a gas turbine includes an oil tank 1 and a supply line 2 branching off from the oil tank 1. An electric oil pump 3 is arranged in the supply lin... | 01/21/2010 |
| 20090294216 | SYSTEMS FOR SUPPLYING OIL FROM AN OIL SOURCE TO A BEARING ASSEMBLY Systems are provided for supplying oil from an oil source to a bearing assembly, the bearing assembly including a cage having a forward rail and an aft rail, and at least one bearing disposed therebetween.... | 12/03/2009 |
| 20090272603 | CENTRIFUGAL APPLICATOR SYSTEM Methods and apparatus for applying a uniform application of an appropriate quantity of lubricant to the internal threads of a pipe. In general, the apparatus includes a high pressure supply of lubricant and a high speed, rotating centrifugal applicator for evenly applyi... | 11/05/2009 |
| 20090252604 | THERMAL MANAGEMENT SYSTEM FOR A GAS TURBINE ENGINE A thermal management system and method for a miniature gas turbine engine includes a forward cover having a filter portion along an axis of rotation of a gas turbine engine, a first lubrication passage and a second lubrication passage.... | 10/08/2009 |
| 20090235630 | NON-INTERRUPTED OIL SUPPLY FOR GAS TURBINE ENGINE An oil supply system for a gearbox in a gas turbine engine includes a holding container which holds a quantity of oil to be delivered to a pump. The holding container includes a flexible barrier.... | 09/24/2009 |
| 20090220330 | VAPOR PHASE LUBRICATION SYSTEM A method and system for carrying out vapor-phase lubrication of a component, such as a bearing for example, is disclosed herein. The method and apparatus can be applied to a turbine engine. The method includes the step of directing a first stream of fluid containing ato... | 09/03/2009 |
| 20090191046 | DEOILING DEVICE AND TURBOMACHINE COMPRISING THIS DEVICE The invention relates to a deoiling device. It comprises a tube (46), a first bearing (16) and a second bearing (18), the first and second bearings being placed in an oil chamber (20) in which an oil fog is maintained by rotation of the beari... | 07/30/2009 |
| 20090152051 | On-demand lubrication system and method for improved flow management and containment A method of oil flow management for a gas turbine engine includes moving oil from a tank to a compartment using a pressure pump, moving oil from the compartment to the tank using a scavenge pump, and at least temporarily increasing a rate at which oil is moved with the ... | 06/18/2009 |
| 20090134243 | AIR-OIL SEPARATOR The present invention provides an air-oil separator comprising a first region having a mixture of air and oil, a second region wherein separation of at least some of the oil from the air-oil mixture occurs and at least one multi-directional injector plug located on a ro... | 05/28/2009 |
| 20090101444 | GAS TURBINE OIL SCAVENGING SYSTEM A method for scavenging oil in a gas turbine engine comprises using a driving fluid flow to drive a flow of a fluid collected in an oil system of the engine to pass through an ejector and then the driven flow of the fluid is directed to be discharged into an oil tank.... | 04/23/2009 |
| 20090078508 | ELECTRIC MOTOR DRIVEN LUBRICATION SUPPLY SYSTEM SHUTDOWN SYSTEM AND METHOD A system and method for controlling lubricant displacement from a lubrication system and a rotating machine includes supplying a gaseous fluid to the lubrication supply system to displace the lubricant. The gaseous fluid is preferentially directed through a first sectio... | 03/26/2009 |
| 20090057060 | Recirculating lubrication system with sealed lubrication oil storage A recirculating lubrication system for a gas turbine engine comprises: a storage reservoir for storing a quantity of lubrication oil for the engine; an operating reservoir for supplying lubrication oil for the engine; a transfer valve with an inlet coupled to an outlet ... | 03/05/2009 |
| 20090050410 | METHODS AND SYSTEMS FOR SEALING ROTATING MACHINES Methods and systems for reducing a flow of ambient air into a bearing lubricating oil system are provided. The system includes a lubricating oil bearing cover that is stationary with respect to the bearing wherein the bearing is configured to support a portion of a rota... | 02/26/2009 |
| 20090025363 | Vent for the lubricating oil system of a jet engine The air exit hole of the vent line (6) connected to a venting apparatus for the lubricating oil system of a jet engine is arranged behind the nozzle throat (2) on the periphery of the exiting engine jet (4). The exit hole is tangentially arranged on... | 01/29/2009 |
| 20090014245 | Systems and Methods for Monitoring Gas Turbine Engines Systems and methods for monitoring gas turbine engines are provided. In this regard, a representative method includes: monitoring lubrication oil at multiple locations of the gas turbine engine to detect a presence of debris in the oil; determining a characteristic of t... | 01/15/2009 |
| 20080283337 | CONTROL OF TURBOCHARGER LUBRICATION FOR HYBRID ELECTRIC VEHICLE A lubrication control system includes an accumulator to store oil. The accumulator can be filled with oil during operation of an engine. A control valve can be selectively operated to allow oil stored in the accumulator to flow to a turbocharger. At least one control mo... | 11/20/2008 |
| 20080264726 | Isolation Valve For The Oil Circuit Of An Airplane Engine The present invention relates to a turbomachine comprising an air compressor (3) and a lubrication circuit with an oil tank (1), said oil tank (1) being possibly isolated from the rest of the lubrication circuit (4,4A; 6,6A) by means o... | 10/30/2008 |
| 20080236951 | OIL SCAVENGE SYSTEM HAVING CHURNING DAMPER FOR GAS TURBINE ENGINES An oil scavenge system of a gas turbine engine in accordance with one embodiment of the present invention, comprises a housing defined about an axis of rotation, the housing confining an air/oil mixture in motion within the housing and defining an oil scavenge area belo... | 10/02/2008 |
| 20080190700 | LUBRICANT SUMP WITH METAL FOAM DIFFUSER A lubrication scavenge system. The lubrication scavenge system includes a structure disposed for high-speed rotation about an axis. The lubrication scavenge system also includes a sump housing with an inwardly-facing surface substantially encircling the structure for re... | 08/14/2008 |
| 20080135336 | Under race bearing lubrication system for gas turbine engines A bearing lubrication system for a gas turbine engine that has bearings supporting a rotor shaft comprises a housing for the engine that serves as a primary static structural support; a rotor shaft for mounting rotational components of the engine; at least two bearings ... | 06/12/2008 |
| 20080134657 | Oil Scavenge System for a Gas Turbine Engine An oil scavenge system includes a scavenge pipe which extends forward into a relatively long and narrow compartment area of a rear bearing compartment of a gas turbine engine with aggressive core size constraints. The scavenger pipe communicates collected oil to a scave... | 06/12/2008 |
| 20080127627 | Compact recirculating lubrication system for a miniature gas turbine engine A recirculating bearing lubrication system for a gas turbine engine that comprises a housing for the engine that serves as a primary static structural support, a rotor shaft for mounting rotational components of the engine, at least two bearings for supporting the rotor... | 06/05/2008 |
| 20080110699 | LUBRICATION SCAVENGE SYSTEM A method and apparatus for scavenging lubricant is disclosed herein. In the invention, a rotating structure is encircled within a sump housing and subjected to lubrication. The sump housing collects high-momentum lubricant flow and low-momentum lubricant flow. The inter... | 05/15/2008 |
