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| Number | Title | Issue Date |
| 8342796 | Damping systems for use in engines Damping systems and engines including the damping systems are provided. In one embodiment, and by way of example only, the damping system includes a rotor, a bearing assembly mounted to the rotor, a spring cage disposed around the bearing assembly, an axially-extend... | 01/01/2013 |
| 8083469 | High temperature bearing with lubricant A bearing lubrication system for a high temperature bearing, such as in a small gas turbine engine for a UAV, in which the bearing and lubricant requires a long shelf life, where the bearing includes a solid lubricant movable within a chamber formed within a housing... | 12/27/2011 |
| 7549836 | Bearing seal with backup device A bearing seal assembly includes a pair segmented circumferential or a carbon ring seals to contain oil in the bearing compartments of a gas turbine engine or other mechanical device. The pair of seals, an oil-side seal and an air-side seal, are axially-spaced betwe... | 06/23/2009 |
| 7484927 | Steam turbine variable clearance packing Disclosed herein is a packing ring assembly including a packing ring segment, a bar, a cover plate, and a spring. The packing ring segment has an axial slot. The bar is disposed within the slot. The cover plate is disposed along an outer periphery of the packing rin... | 02/03/2009 |
| 7445424 | Passive thermostatic bypass flow control for a brush seal application In a gas turbine engine having a rim cavity formed between a rotor disk and a stator, and a brush seal or other seal member providing an airflow seal between the stator and a side plate of the rotor disk, a thermally responsive valve device is located in the bypass ... | 11/04/2008 |
| 7427186 | Rotary engine with shaft bearing having two stiffnesses, rotary engine shaft and means of connection between a rotary engine shaft and a bearing A shaft mounted to rotate with respect to another fixed or rotary element of a rotary engine to which the shaft is connected by at least one bearing, it being possible for the engine to operate in at least two different operating speeds, the shaft comprising a conne... | 09/23/2008 |
| 7367427 | Accessory lubrication system for a turbine plant A lubrication system for supplying lubricants between two environments is provided. The first environment is disposed within a first housing and the second environment is disposed within a second housing having a supply opening and an exhaust opening. The system inc... | 05/06/2008 |
| 7338252 | Pump for the transporting of fluids and of mixtures of fluids A pump for the transporting of fluids and/or of mixtures of fluids includes a housing (1) and at least one restrictor gap seal which is provided in the housing (1) to reduce the pressure in a restrictor gap along a rotatable part (2) of the pump... | 03/04/2008 |
| 7334799 | Sealing device for a turbocharger A sealing device has a seal ring and a cylindrical bellows portion connected to the seal ring. The cylindrical bellows portion has a corrugated outer surface. A turbocharger utilizing the sealing device has a turbine wheel connected to a shaft and a compressor wheel... | 02/26/2008 |
| 7329097 | Connecting arrangement A connecting arrangement is disclosed for connecting first and second articles, such as casing sections (22, 24) to each other. The connecting arrangement comprises a connector (28) comprising an outwardly extending portion, which may be a first flange... | 02/12/2008 |
| 7311308 | Seal device for water pump, rotation supporting device for water pump and assembly method for water pump The tip edge of a second seal lip of an elastic member constituting a seal ring is in sliding contact with an outside face of a slinger. The seal ring and the slinger are pre-assembled and then installed between an inner peripheral surface at an end of an outer ring... | 12/25/2007 |
| 7302947 | Cutting machine with environment control arrangement A cutting machine includes a cutting supporting frame, a cutting head arrangement and a motor air flow arrangement which includes a driving motor to drive a cutting blade to rotate, a motor case defining a motor cavity within an open end inlet end, an open outlet en... | 12/04/2007 |
| 7284951 | Method for conveying a liquid F containing at least one (meth)acrylic monomer A method of delivering a fluid containing at least one (meth)acrylic monomer by a pump in which a pump cavity and drive compartment are separated by a separator compartment filled with a baffler medium at elevated pressure and that is sealed with double-acting slide... | 10/23/2007 |
| 7241117 | Motor shaft assembly and method A method for assembling a motor shaft with a bearing, a motor housing, and an impeller is disclosed. A motor shaft extension is used to retain the impeller axially on the motor shaft and allows the motor shaft to drive an additional component, such as an impeller, l... | 07/10/2007 |
| 7228876 | Valve island with non-active area venting between components A valve island that has vented non-active areas is disclosed. The valve island has a plurality of active gas passageways that are coupled together between components. At the junction between the different components the active fluid passageways are surrounded by a s... | 06/12/2007 |
| 7225877 | Subsea intervention fluid transfer system A system for subsea transfer of intervention fluids to a subsea intervention apparatus, the system, in certain aspects, including a structure and a frame pivotably mounted thereto, a plurality of frame fluid conduits on the frame for conducting fluid from a connecto... | 06/05/2007 |
| 7217081 | Cooling system for a seal for turbine vane shrouds A seal for sealing a seal groove in a shroud of a turbine vane. The seal may include a cooling system configured to pass cooling fluids through a cooling fluid supply port in a shroud, through a cooling system in which the cooling fluids contact the shroud and the s... | 05/15/2007 |
| 7186077 | Compressor, particularly in an exhaust gas turbocharger for an internal combustion engine In a compressor particularly of an exhaust gas turbocharger of an internal combustion engine having a compressor wheel rotatably supported in a compressor housing which includes a diffuser structure with an adjustable diffuser geometry comprising guide vanes pivotal... | 03/06/2007 |
| 7172201 | Sealing ring, especially radial shaft seal A sealing ring has a sealing disk having a fastening part and a seal part. The fastening part is connected to a first stationary machine part and the seal part seals a movable machine part and is oriented in an axial direction toward an atmosphere side or a medium s... | 02/06/2007 |
| 7168918 | High performance cooling fan A cooling fan comprises a rotor configured to generate airflow. The cooling fan further comprises an outlet guide vane adapted to receive the airflow generated by the rotor and to orient the airflow in a substantially axial direction relative to the rotor. The cooli... | 01/30/2007 |
| 7140849 | Variable geometry turbine A variable geometry turbocharger comprises a turbine wheel (20) mounted within a turbine housing (23) on one end of a turbocharger shaft (22) for rotation about a turbocharger axis. The turbine housing (23) defines an annular turbine inle... | 11/28/2006 |
| 7118324 | COcompressor A CO2 compressor for an air conditioner of a motor vehicle is suggested having a sealing device, assigned to the driveshaft of the CO2 compressor, which is implemented as a sliding ring. The CO2 compressor features a lubrication devi... | 10/10/2006 |
| 7112033 | Hygienic mechanical seal flushing system for pure liquids in sanitary centrifugal pumps A sanitary centrifugal pump with a hygienic mechanical seal flushing system. The pump has a housing with a pumping chamber defined therein. An impeller is at least partially contained in the housing and is connected to a shaft for rotation. The rotation of the impel... | 09/26/2006 |
| 7108266 | Fan cooled seal seat A seal assembly including a rotatable seal head subassembly also includes a fan that rotates with the seal head assembly, with the fan drawing air through a pump housing for purposes of cooling. ... | 09/19/2006 |
| 7086649 | Gasket with two concentric lips A gasket, sliding about the axis of rotation of a part to be brought closer to or to be spaced apart from another part with which it provides tightness through a pair of lips provided on a ring. The gasket includes a portion of the ring capable of bending to modify ... | 08/08/2006 |
| 7066467 | Sealing device for water pump bearings A sealing device for a water pump bearing employs a seal member without an axial lip, and having only a radial lip. The sealing device includes an annular seal member which is fixed to a shoulder portion of one end in an axial direction of an outer race of a water p... | 06/27/2006 |
| 7014421 | Compressor A compressor comprises a compressor wheel (8) mounted for rotation within a compressor housing (4,5), which an annular outlet passage (15) defined between opposing annular wall surfaces. A portion (20) of at least one of the wall surfaces... | 03/21/2006 |
| 7014419 | Passive improved air turbine starter lubrication system A passive ATS lubrication system is provided that includes a starter housing, a receptacle and two valves. The starter housing is adapted to couple to a gearbox assembly and includes a supply opening and an exhaust opening that are each configured to provide fluid c... | 03/21/2006 |
| 6997688 | Secondary containment for a magnetic-drive centrifugal pump A centrifugal pump includes a housing having a housing cavity, an inlet, and an outlet. A pump shaft is located within the housing cavity. A radial bearing coaxially surrounds the pump shaft. The shaft and the radial bearing are rotatable with respect to one another... | 02/14/2006 |
| 6976679 | Inter-fluid seal assembly and method therefor An inter-fluid brush seal assembly and associated method are provided. The seal assembly defines a gas passage for supplying gas to interfaces with a rotatable member. At least one of the interfaces is defined by a brush seal, and the flow of the gas through the int... | 12/20/2005 |
| 6932567 | Method and apparatus for controlling fluid leakage through gas turbine engines A method for controlling fluid leakage between a first pressure region and a second pressure region within a gas turbine engine using a first sealing member and a second sealing member. The first sealing member is movably coupled to a portion of the gas turbine engi... | 08/23/2005 |
| 6926490 | Self-actuated bearing cooling flow shut-off valve A compressor assembly comprises a compressor having a rotor comprising a shaft with fan blades for compressing air. An air bearing serves to cool the shaft of the rotor. A compressor air inlet receives air for the fan blades, which is then exhausted from the fan bla... | 08/09/2005 |
| 6884026 | Turbine engine shroud assembly including axially floating shroud segment At least one shroud segment, floating axially independently of adjacent turbine engine shroud assembly members, includes a segment body comprising a radially outer surface and a radially outwardly projecting segment support that includes an axial support wall surfac... | 04/26/2005 |
| 6884022 | Diesel engine water pump with improved water seal An improved diesel engine water pump includes three main features that aid in extending the maintenance-free life of the pump. The impeller shaft is carried by tapered roller shaft support bearings of which the impeller bearing has a floating outer race that is urge... | 04/26/2005 |
| 6802689 | Turbo type fluid machine and dry gas seal for use therefor Abnormality in an amount of a working gas leaked from between a rotating ring adapted to rotate with a rotor and a stationary ring of a turbo fluid machine is detected by a pressure switch and a flow meter, which are provided in a primary seal vent line, the working... | 10/12/2004 |
| 6769865 | Band cooled turbine nozzle A turbine nozzle includes hollow nozzle vanes mounted between outer and inner bands. The inner band includes an integral skirt around the perimeter thereof. A backing sheet of a honeycomb seal is mounted to the skirt to define a cavity therein. The inner band includ... | 08/03/2004 |
| 6712580 | Seal apparatus for a water pump, rotation-support apparatus for a water pump, and a water pump A structure of a water pump is provided without increasing the cost thereof, or without enlarging the size to improve the durability of the water pump. A seal apparatus having a seal ring 13 and a slinger 14 in combination to prevent foreign matter fro... | 03/30/2004 |
| 6695576 | Pump for liquids, in particular, a centrifugal pump for electric household appliances A pump is disclosed that comprises: (1) a support structure including a body having an annular end in which an opening is defined, and a volute connected to the said end of the body so as to define a pumping chamber therewith; (2) a bladed rotor disposed ... | 02/24/2004 |
| 6676369 | Aspirating face seal with axially extending seal teeth A gas turbine engine aspirating face seal includes a rotatable engine member and a non-rotatable engine member and a leakage path therebetween. Annular generally planar rotatable and non-rotatable gas bearing face surfaces circumscribed about a centerline... | 01/13/2004 |
| 6623238 | Air turbine starter with seal assembly An air turbine starter with an improved seal assembly is provided. A fluid conduit or channel allows higher pressure fluid into one side of a bearing seal. For example, the seal assembly may include a face seal, and a second seal forming a chamber therebe... | 09/23/2003 |
