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9038398 Gas turbine engine buffer cooling system  
A gas turbine engine includes a heat exchanger, a bearing compartment, and a nozzle assembly in fluid communication with the bearing compartment. The heat exchanger exchanges heat with a bleed...
9038779 Geared architecture gas turbine engine with oil scavenge  
A gas turbine engine includes a geared architecture with a multiple of intermediate gears, and a baffle with an oil scavenge scoop adjacent to each of the multiple of intermediate gears. A geared...
9033107 Oil pump arrangement in a transmission  
An arrangement of an oil pump (8) and its drive in a transmission (1) that has a transmission housing (2) and at least one transmission shaft (3). The oil pump (8) is arranged coaxially with the...
9033108 Lubricant flow suppressor  
A lubricant flow suppressor positioned proximate a rotating component for receiving ejected lubricant therefrom and reducing the kinetic energy of the ejected lubricant. The suppressor includes at...
9028221 Air compressor with oil pump inlet strainer bypass valve  
An air compressor with oil pump inlet strainer bypass features, including a bypass valve assembly in fluid communication with the air compressor crankcase to provide lubricating oil to the dynamic...
9022177 Pump having stepper motor and overdrive control  
Apparatus and method for supplying lubricant to a plurality of lubrication sites. Embodiments include a pump with venting and non-venting piston return, a pump with stirrer and direct feed...
9022175 Machine tool, working fluid supply apparatus, and working fluid  
A machine tool (1) for processing a workpiece (2) by relative movement of a tool (18) with respect to the workpiece (2), including a homogenizer (15) into which water and oil are taken to disperse...
9022174 Lubrication device of power transmission device for hybrid vehicle  
A lubrication device for a hybrid vehicle power transmission device including a gear member, a first electric motor, and a second electric motor within a transaxle case, the lubrication device...
9022176 Temperature management system for transmission  
An active/passive system for managing the temperature of fluid within an automatic transmission includes two heat exchangers, an active solenoid valve and a passive wax motor valve. A first heat...
9010492 Lubrication structure for engine  
A lubrication structure is provided for supplying lubricating oil to a transmission of an engine. The engine includes a mission holder which includes a power transmission mechanism between a main...
9010493 Lubrication arrangement  
A lubrication system for a work tool, such as a demolition hammer, on a machine, such as an excavator or a loader. The lubrication system is mounted on drive line fluid connectors of the machine,...
9010494 Bearing lubrication  
A lubrication apparatus for lubricating a surface of at least one component of a piece of equipment, which includes a lubrication mist generating unit in which air and a lubricant are combined to...
9003766 Gas cooler and method for cooling gas  
There is disclosed a gas cooler 20 for providing high-pressure sealing gas to a bearing chamber. The cooler comprises a turbine 22; a turbine inlet 24 arranged to receive gas to drive the turbine...
8997935 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....
8997500 Gas turbine engine oil buffering  
A turbine engine includes a shaft, a fan, at least one bearing mounted on the shaft and rotationally supporting the fan, a fan drive gear system coupled to drive the fan, a bearing compartment...
8997936 Environmental compressor protection assembly  
A compressor lubrication system including a positive displacement pump, a pressure relief valve assembly, and a divider block. The pressure relief valve assembly includes a housing that has an...
8997934 Lubrication system for a gear system providing emergency lubrication  
A lubrication system for a gear system for a wind turbine is disclosed. The lubrication system comprises a reservoir adapted to contain lubricant, first pump means arranged to supply lubricant...
8997449 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...
8991176 Fluid drive mechanism for turbocharger  
A turbocharger for an internal combustion engine includes a shaft, a first turbine wheel, a compressor wheel, and a second turbine wheel. The shaft includes a first end and a second end and is...
8992192 Input shaft lubrication for gear pump  
A shaft assembly includes a gear with a gear bore having a splined bore section adjacent to an oil dam. A shaft includes a first splined end section and a second splined end section, the first...
8991558 Lubrication system  
The present invention is directed to lubrication system having a reservoir having a body. A follower is moveably disposed in the body. The system further comprises an alarm system having an...
8991557 Gear train lubricating device  
A gear train lubricating device configured to supply lubricating oil OL to a gear included in a gear train is provided. The gear train lubricating device includes: a shroud covering, among...
8991175 Control of balance drift in turbocharger rotating assembly  
A turbocharger for an internal combustion engine includes a bearing housing with a bearing bore and a thrust wall. The bearing housing includes a journal bearing disposed within the bore. The...
8985083 Crankshaft having optimized crankpin lubrication, and related engine and method for producing the lubrication system  
The invention relates to a crankshaft comprising at least: a journal; a first crankpin; a second crankpin; a first arm connecting the first crankpin to the journal; a second arm connecting the...
8985278 Lubrication system having segmented anti-backflow feature  
A tank includes a tank discharge passageway at least partially within a tank body. A segmented anti-back flow structure is mounted adjacent to the tank body and the tank discharge passageway.
8985277 Case with integral lubricant scavenge passage  
A case comprises a radially inner case hub, a radially outer case section with an outer wall, a plurality of circumferentially distributed struts extending radially between the inner hub and the...
8984853 Accessing a valve assembly of a turbomachine  
An example method of accessing a valve assembly of a turbomachine includes accessing a check valve of the valve assembly from a first position that is radially outside a flow path through the...
8978352 Apparatus and method for operating a gas turbine engine during windmilling  
A gas turbine engine according to an exemplary aspect of the present disclosure includes a windmill pump driven by a spool. A first pump driven by said spool with an air-oil cooler is located...
8978826 Compressor  
Disclosed is a compressor capable of having an enhanced performance by sufficiently supplying oil to components where sliding occurs not only in a high speed driving mode but also in a low speed...
8978824 Turbomachinery with integrated pump  
The disclosed embodiments include self-lubricating oil feed systems that may include an integral bearing. The oil feed systems may include gear pumps suitable to minimize the axial profile of the...
8979696 High-pressure homogenizer with an epicyclic reduction gear unit  
A high-pressure homogenizer including: a fixed body (7) housing a rotating crankshaft (10);a motor (3) for driving the crankshaft (10);a reduction gear unit (4) interconnected between the...
8978825 Dual-line pump unit, lubrication system, and related apparatus and method  
A dual-line pump unit for supplying lubricant includes a reservoir having an interior for holding lubricant. A first pump is provided for pumping lubricant from the reservoir through a first main...
8978351 Integrated thermal management system and environmental control system for a gas turbine engine  
A gas turbine engine includes a first and second pump driven by a spool. An Air-Oil Cooler downstream of the first pump. An air-air precooler is downstream of the second pump, the air-air...
8973458 Gear unit  
A gear unit having at least one shaft supported by a bearing in the gear unit housing, the spatial region of a bearing of a shaft situated in a cutout of the gear unit housing being limited at...
8973550 Oil supply device for an internal combustion engine  
An oil supply device for a crankcase of an internal combustion engine feeds oil from a reservoir to a main oil duct of the crankcase. A filter switching device allows a selection from a plurality...
8966875 Constant speed transmission for gas turbine engine  
A gas turbine engine includes a constant speed transmission driven by a spool. The constant speed transmission drives a first pump and a second pump. In a further non-limiting example, the first...
8967334 Gear unit at least partially filled with oil  
A gear unit at least partially filled with oil, wherein a device is provided in the gear unit for lowering the oil level, especially of the oil pan of the gear unit, during operation, the device...
8967111 Oil collection and forced lubrication structure of a model engine crankshaft  
An oil collection and forced lubrication structure of a model engine has an oil-collecting groove provided at a circumferential wall of a passageway of a crankshaft body. The oil-collecting groove...
8966876 Controllable speed windmill operation of a gas turbine engine through low spool power extraction  
A gas turbine engine according to an exemplary aspect of the present disclosure includes, among other things, a fan section including a fan, a geared architecture, a spool which drives the fan...
8967306 Vehicle driving apparatus  
A rear wheel driving apparatus (1) includes: a first right-left communication passage (FP) through which a left reservoir (RL) and a right reservoir (RR) are communicated with each other; and a...
8961348 Drive axle housing system for reducing oil churning  
A drive axle housing system may minimize churning of splash and spray oil within a drive axle housing. The drive axle housing system includes apparatus for incorporation into the axle, the...
8960362 Lubrication arrangement for a drive axle of a haul vehicle  
A drive axle assembly is provided that improves lubrication to the components of the drive axle assembly. As the wheel differential rotates, lubricant is splashed and lubricates bearings and other...
8959911 Engine assembly including fluid control to boost mechanism  
A powertrain assembly includes an internal combustion engine, a boost mechanism and a fluid supply mechanism. The boost mechanism is in communication with an air source and the internal combustion...
8959920 Aircraft engine fuel pump bearing flow and associated system and method  
An assembly or system is provided for selectively regulating journal bearing lubrication between at least first and second levels in an aircraft engine. A high pressure pump includes movable...
8955646 Device for lubricating oil seal of engine  
A device for lubricating an oil seal of an engine which is simple in construction and low in manufacturing cost without the need for providing piping for supplying lube oil to the oil seal and...
8955318 Turbocharger cartridge and engine cylinder head assembly  
A turbocharger cartridge and engine cylinder head assembly includes a turbocharger cartridge having a center housing defining a bore therethrough, bearings housed in the bore, a shaft rotatably...
8956106 Adaptive eductor system  
An apparatus is provided having a first zone with a fluid flow at a first pressure, and a second zone with a fluid flow at a second pressure. A sump cavity is provided in fluid communication with...
8956132 Compressor  
A compressor includes a main body having in a housing a vane back-pressure space configured to project a vane forming a compression room for compressing gas, and a centrifugal oil separator. A...
8944023 Method of modifying engine oil cooling system  
A method of modifying the oil cooling system of a diesel engine includes the steps of removing the original equipment liquid-to-liquid heat exchanger and installing a manifold having a...
8944216 Lubricating transfer tube  
An example lubricating transfer tube assembly includes a transfer tube having a bore extending from a fluid inlet portion to a fluid outlet portion. The transfer tube is configured to communicate...