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Rotary kinetic fluid motors or pumps December patent applications/inventions, industry category 12/12

20120328411 - Multi-stage turbocharger system with exhaust control valve: A turbocharger system comprises a first relatively small turbocharger and a second relatively large turbocharger connected in series and an exhaust gas flow control valve. The exhaust control valve has an inlet port communicating with the exhaust gas flow upstream of the first turbine a first outlet port communicating with... Agent:

20120328410 - Surge estimator: A method of correcting surge control parameters that includes providing a dynamic compressor having a compressor, driver, surge valve, and control system. The control system establishes surge control parameters such as surge detection lines, surge limit lines, and then detects the onset of a surge in the dynamic compressor. When... Agent: Energy Control Technologies, Inc.

20120328409 - Systems and methods for cooling high pressure and intermediate pressure sections of a steam turbine: The present application provides a section cooling system for a steam turbine to limit a leakage flow therethrough. The section cooling system may include a first pressure flow extraction from a first section to a shaft packing location between the first section and a second section and a rotor aperture... Agent: General Electric Company

20120328412 - Pump system: A regenerative pump (100) comprises at least one pump unit (105), the at least one pump unit comprising a casing or housing (110) comprising a fluid passage channel (115); and at least one impeller (120) provided inside the casing or housing for pumping the fluid through the fluid passage channel,... Agent:

20120328413 - System and method for supporting a nozzle assembly: A system for supporting a nozzle assembly includes a first member connected to a stationary component and a second member extending from the first member radially through at least a portion of the nozzle assembly. A distal end of the second member is radially displaced from the first member and... Agent: General Electric Company

20120328414 - Gas turbine for aeronautic engines: In a turbine for aeronautic engines, a first and at least a second turbine disk rotating around a common axis respectively carrying a first and a second moving-blade crown, with which first and, respectively, second axial passages are defined through which a cooling air mass for the turbine disks can... Agent: Avio S.p. A.

20120328415 - Vibration damper comprising a peg between outer platforms of adjacent composite-material blades of a turbine engine rotor wheel: A vibration damper between outer platforms of adjacent composite-material blades of a turbine engine rotor wheel, the damper including a peg having a substantially spherical portion at each of its two ends, and two hollow inserts for being received in tangential cavities that are provided facing each other in outer... Agent: Snecma

20120328416 - Turbocharger: A turbocharger includes a drive shaft to transmit a driving force of an actuator to a mechanism in the turbo housing, and a bush to rotatably support the drive shaft, wherein a seal is provided at an end portion on the open-air side of the bush. The seal includes a... Agent: Toyota Jidosha Kabushiki Kaisha

20120328417 - Engine bearing compartment: An engine bearing compartment is provided and includes an engine casing defining a discharge pathway for a fluid to drain from the engine bearing compartment, a shaft rotatably disposed within the engine casing to define an annulus, a housing disposed within the annulus below an elevation of the discharge pathway,... Agent: Hamilton Sundstrand Corporation

20120328418 - Turbocharger with air buffer seal: A turbocharger includes a turbine section, a compressor section and a bearing section. A turbine wheel and a compressor wheel are mounted on a shaft and the shaft is rotatably mounted in a bore of a housing. A lubrication system circulates lubricant through the bearing section. First and second spaced... Agent: Caterpillar Inc.

20120328419 - Brazed turbine seal: A gas leakage seal for a turbine, including first and second cloth layers having woven warp and weft wires, wherein the first and second cloth layers are brazed together by a flux paste whereby the cloth layers have their edges aligned and the brazing substantially seals gaps between the wires... Agent:

20120328420 - Turbofan and indoor unit of air-conditioning apparatus including the same: Blades 4 forming a turbofan 1 included in an indoor unit 100 each have, in a blade outer-circumferential surface 4c of the blade 4 and near a blade rear-edge portion 4b, a plurality of rear-edge horizontal grooves 5 extending horizontally (in a plane perpendicular to a center of rotation O)... Agent: Mitsubishi Electric Corporation

20120328422 - Exhaust-gas turbocharger: The invention relates to an exhaust-gas turbocharger (1) having a compressor housing (3), having a bearing housing (28) which can be connected at one end to the compressor housing (3) by means of a first fastening device (19), and having a turbine housing (2) which can be connected to the... Agent: Borgwarner Inc.

20120328423 - Gas turbine and repairing method of gas turbine: A gas turbine includes ring segments and isolation rings that surround a channel for high-temperature gas W from an outer peripheral side, blade rings formed in an annular shape on the outer peripheral side of the ring segments and the isolation rings, and supporting members fitted into fitting concave portions... Agent: Mitsubishi Heavy Industries, Ltd.

20120328424 - Intake conduit element and compressor arrangement therefrom: Intake manifold element (1) having a tubular section (3) through which a first fluid (A) can flow in a proposed flow direction (A′) via a flow channel (4) from an inlet (4a) to an outlet (4b) of the same, said tubular section being provided for arrangement on a compressor inlet... Agent:

20120328421 - Methods and systems for cooling a transition nozzle: A turbine assembly includes a fuel nozzle configured to mix fuel and air and a transition nozzle oriented to receive the fuel and air mixture from the fuel nozzle. The transition nozzle includes a transition portion and a nozzle portion integrally formed with the transition portion. The transition nozzle includes... Agent:

20120328425 - Double tunnel wind turbine: A wind turbine apparatus includes a shaft carrying a plurality of rotor wheels fixed at axially spaced intervals. Each rotor wheel includes buckets at the periphery thereof. First and second generally cylindrical housing are disposed in concentric relationship to define a blind annular chamber surrounding the rotor wheels that directs... Agent:

20120328426 - Air turbine starter turbine nozzle airfoil: A vane profile section for an air turbine starter includes an airfoil which defines an airfoil profile section through a leading edge and a trailing edge, the airfoil profile section defined by a set of X-coordinates and Z-coordinates.... Agent:

20120328428 - Cementless pump for pumping molten metal: In a cementless pump for pumping molten metal, support structure is suspended above the molten metal. A motor is supported by the support structure. A shaft is fastened to the motor. An impeller is mounted to a lower end of the shaft. A refractory base is supported in the molten... Agent:

20120328427 - Fireshield fastener hood: A fireshield fastener hood and method of bonding a cover to a substrate therefor.... Agent:

20120328429 - Ni-based alloy, and turbine rotor and stator blade for gas turbine: A Ni-based alloy including chromium, cobalt, aluminum, titanium, tantalum, tungsten, molybdenum, niobium, carbon, and boron, the balance being nickel and incidental impurities, is provided. The alloy has an alloy composition of, on the basis of mass percent, chromium: 13.10% to 16.00%, cobalt: 8.00% to 12.50%, aluminum: 2.30% to 3.50%, titanium:... Agent: Hitachi, Ltd.

20120328430 - Spiral tower fan: The present disclosure relates to a tower fan having a base and a column coupled to the base. A blower is positioned within the column. The blower has an inlet and an outlet, and the outlet twists about an exterior of the column along a longitudinal axis of the column.... Agent: Vornado Air, LLC

20120328431 - Integral bearing support and centering spring assembly for a gas turbine engine: A bearing support assembly for supporting a bearing assembly within a bearing compartment of a gas turbine engine includes a centering spring and a bearing support member integrally joined together to form a one piece structure. The centering spring connects to the bearing assembly and has a portion that extends... Agent: United Technologies Corporation

20120321438 - compressor unit and a method to process a working fluid: A compressor unit for processing a working fluid comprising a compressor inside a housing to compress the working fluid wherein a collection chamber is fluidly coupled with a working fluid inlet of said housing.... Agent: Nuovo Pignone S.p.a.

20120321439 - Eddy current damper and method: An apparatus for supporting a shaft of a turbomachine. The apparatus may include a magnetic bearing to support the shaft during a normal operation of the turbomachine, and an auxiliary bearing to support the shaft during a drop event. The apparatus may also include a disk coupled to the shaft... Agent: Dresser-rand Company

20120321437 - Turbine seal system: A system includes a multi-stage turbine. The multi-stage turbine includes a first turbine stage including a first wheel having a plurality of first blade segments spaced circumferentially about the first wheel, a second turbine stage including a second wheel having a plurality of second blade segments spaced circumferentially about the... Agent: General Electric Company

20120321440 - Centrifugal compressor having an asymmetric self-recirculating casing treatment: A centrifugal compressor includes an asymmetric self-recirculating casing treatment that includes, on an inner face of a casing 10, a suction ring groove 1, a ring guide channel 2 and a back-flow ring groove 3 to form a self-recirculating channel. An axial distance Sr from an upstream end face of... Agent: Ihi Corporation

20120321441 - Ventilated compressor rotor for a turbine engine and a turbine engine incorporating same: A turbine engine includes a plurality of compressor rotors that include ventilation slots to vent the spaces between adjacent compressor rotors. Each compressor rotor is formed from a flat disk of material having first and second circular faces. A circular ridge of material protrudes outward from the one of the... Agent:

20120321442 - Turbomolecular pump device: A turbomolecular pump device includes: a turbomolecular pump main body; a power unit that drives the turbomolecular pump main body; and a water cooling unit that is provided between the turbomolecular pump main body and the power unit, wherein components provided in a casing of the power unit are classified... Agent: Shimadzu Corporation

20120321443 - Tip treatment for a rotor casing: A tip treatment bar and associated rotor casing structure, wherein the tip treatment bar includes a solid composite structure having a plurality of layers arranged therein so as to provide the bar with a directional stiffness characteristic. Such a layered composite arrangement can be used to tailor the vibration characteristics... Agent: Rolls-royce PLC

20120321444 - Pump apparatus including deconsolidator: A pump apparatus includes a particulate pump that defines a passage that extends from an inlet to an outlet. A duct is in flow communication with the outlet. The duct includes a deconsolidator configured to fragment particle agglomerates received from the passage.... Agent:

20120321445 - Automatic swing mechanism: An automatic swing mechanism has: a base, a lifting rod that can swing relative to the base and a driving mechanism that connects the base and the lifting rod, a flow passage that the flow can pass through is arranged in the base, and the driving mechanism comprises an impeller... Agent: Xiamen Solex High- Tech Industries Co., Ltd.

20120321446 - Fail-safe manual rotator cover: A gearbox includes an outer housing including manual rotation access passage and a manual rotation shaft coupled to a spool of an engine to rotate the engine spool. The gearbox also includes coupled to the outer housing that includes a flapper valve that, in a closed position, prevents a lubricant... Agent: Hamilton Sundstrand Corporation

20120321447 - Flexible rear bearing mounting, having an abutment, for a turbine engine: An assembly including a part for mounting at least one shaft bearing of a turbine engine and a support part that forms an abutment for the mounting part. The mounting part includes at least one channel through which engine gases pass, and connection parts that are capable of connecting the... Agent: Turbomeca

20120321448 - Aircraft powerplant: A gas turbine engine system is disclosed which includes a core passage and a bypass passage which can be configured as a fan bypass duct or a third stream bypass duct. The core passage and bypass passage are routed to flow through a nozzle before exiting overboard an aircraft. The... Agent:

20120321449 - Turbine: Provided is a turbine in which seal fins (15) are provided to a hub shroud (41) to protrude toward a bottom surface (33a) of an annular groove (33), small gaps (H) are formed between the tip ends of the seal fins and the bottom surface of the annular groove, and... Agent: Mitsubishi Heavy Industries, Ltd.

20120321450 - Flow machine: A flow machine includes two structural component parts that cooperate with one another by a bellows seal so that the bellows seal forms a medium barrier between two spaces of the flow machine which directly adjoin the two structural component parts. The flow machine is constructed as a gas turbine,... Agent: Man Diesel & Turbo Se

20120321451 - Bearing housing cooling system: A cooling system for the rear bearing capsule of a turbine in a gas turbine engine supported by an exhaust cone attached to multiple exit guide vanes that extend radially from the exhaust cone to an exhaust housing, comprises: an inlet air flow path through each guide vane between a... Agent: Hamilton Sundstrand Corporation

20120321453 - Non-mechanically fastened tobi heat shield: A high pressure turbine includes a stator, a rotor, a tangential on-board injector, and a heat shield. The rotor is located downstream of the stator and the tangential on-board injector directs cooling air to the rotor. The heat shield is retained by abutment with the stator and the tangential on-board... Agent: United Technologies Corporation

20120321452 - Pressure and temperature actuation system: A pressure and temperature actuation system is provided having a high-temperature low-pressure zone, a low-temperature high-pressure zone, a boundary, a pressure actuated mechanism, and a temperature mechanism. A gas located in the high-temperature low-pressure zone has a greater gas temperature than the gas located in the low-temperature high-pressure zone. The... Agent: General Electric Company

20120321454 - Wind power generation apparatus: A wind power generation apparatus includes a wind collecting hood, a rotary shaft, a rotary structure and a wind guiding structure. The wind collecting hood is a hollow circular barrel to form an airflow passage. The rotary shaft is located in the airflow passage of the wind collecting hood. The... Agent:

20120321455 - Turbocharger housing: A turbocharger housing is split lengthwise and has two housing halves, which in the assembled state sectionally form a bearing housing, a turbine housing, and a compressor housing. The turbocharger housing contains at least one fluid chamber, which is arranged in the bearing housing and/or in the turbine housing and/or... Agent: Continental Automotive Gmbh

20120321456 - Apparatus and methods for linear actuation of flow altering components of jet engine nozzle: A trans cowl for a jet engine includes a chevron coupled with a linear actuators. The chevron is movable by the linear actuator forward or aft to change a gas flow path formed by an core cowl and thrust reverser translating cowl. In a first position, the chevrons are disposed... Agent:

20120321457 - Cooling fan with tapered hub: A cooling fan includes a fan housing and a rotor received in the fan housing. The fan housing has an air inlet and an outlet opposite to the air inlet. The rotor includes a shaft, a hub engaged with the shaft, and a plurality of rotary blades extending outwardly from... Agent: Fu Zhun Precision Industry (shen Zhen) Co., Ltd.

20120321459 - Support structure forming method: A method of forming an annular support structure for fastening a component of a gas turbine engine to a static part of the engine is provided. The support structure has a substantially frustoconical skin portion which, in use, extends inwardly from the static part. The support structure further has a... Agent: Rolls-royce PLC

20120321460 - Vertical shaft turbomachine: A turbomachine includes a compressor, a first shaft, a second shaft, a first turbine, and a second turbine. The first shaft carries at least one turbine wheel belonging to one of the elements selected from the first and second turbines. The second shaft carries at least one turbine wheel belonging... Agent: Turbomeca

20120321458 - Wheel and replaceable nose piece: An assembly includes a nose piece and a boreless compressor wheel having a nose end configured for receipt of the nose piece and a receptacle at a base end configured for receipt of a rotatable shaft. A method includes fitting a nose piece to a boreless compressor wheel, measuring unbalance... Agent: Honeywell International Inc.

20120315125 - Turbine blades with mixed blade loading: An unevenly loaded turbine blade is disclosed including a first region configured for extracting power from a fluid flow and a second region configured for adding power to the fluid flow. The power extracted from the fluid flow is typically greater than the power added to the fluid flow resulting... Agent: Flodesign Wind Turbine Corp.

20120315126 - Vacuum self-priming pump: Disclosed is a vacuum self-priming pump in which a main pumping chamber and a sub-pumping chamber divided from each other by a diaphragm are provided within a case, main impellers and a sub-impeller rotated by a motor are respectively installed within the main pump chamber and the sub-pumping chamber such... Agent:

20120315127 - Centrifugal compressor having an asymmetric self-recirculating casing treatment: A centrifugal compressor has a casing 7. In the casing 7 is formed a back-flow channel 9 to return fluid from a downstream position of an impeller full blade leading edge 6a to an upstream position of the impeller full blade leading edge 6a. The back-flow channel 9 includes a... Agent: Ihi Corporation

20120315128 - Personal cooling system and method: A portable system for promoting heat removal and cooling of a human body is provided. The cooling system generally comprises a pair of panels, configured to be mounted to the chest and to the back of a human body and such as to define a space between themselves and the... Agent:

20120315130 - Gas turbine engine compressor arrangement: A gas turbine engine includes a fan section, a gear arrangement configured to drive the fan section, a compressor section and a turbine section. The compressor section includes a low pressure compressor section and a high pressure compressor section. The turbine section is configured to drive compressor section and the... Agent:

20120315129 - Wind turbine: A wind turbine that includes a rotor and a generator is described. The rotor includes a rotor hub that is rotatably mounted on a frame and one or more rotor blades. The generator includes a generator stator and a generator rotor with a carrying structure that carries magnetic or electromagnetic... Agent: Alstom Wind, S.l.u.

20120315131 - Axial turbocompressor: An axial turbocompressor having an annular compressor passage which is arranged concentrically around a rotational axis, is delimited radially on the outside by a passage wall, and in which rotor blades, which may be assembled to form a ring, are arranged in a rotatably mounted manner around the rotational axis,... Agent:

20120315132 - Thin ventilated seat for a vehicle and items of furniture: An air conditioning unit includes a shaped body forming at least one part of a seat cushion. The shaped body has a seating surface and an opposite lower side. An air flow module is arranged at the lower side of the shaped body. The air flow module includes an air... Agent: Igb Automotive Ltd.

20120315133 - Ni-based alloy for casting used for steam turbine and casting component of steam turbine: An Ni-based alloy for casting used for a steam turbine of an embodiment contains in percent (%) by mass C (carbon): 0.01 to 0.1, Cr (chromium): 15 to 25, Co (cobalt): 10 to 15, Mo (molybdenum): 5 to 12, Al (aluminum): 0.5 to 2, Ti (titanium): 0.3 to 2, B... Agent: Kabushiki Kaisha Toshiba

20120315134 - Fan impeller structure: A fan impeller structure includes a frame body, a cover body and a hub. The frame body has a receiving space. The cover body has a wind inlet in communication with the receiving space. The hub is rotatably disposed in the receiving space and has multiple blades annularly arranged on... Agent: Asia Vital Components Co., Ltd.

20120315135 - Multi-blade centrifugal fan and air conditioner using the same: In a multi-blade centrifugal fan including an impeller (7) rotatably disposed in a casing and composed of a disc-shaped hub (8), a plurality of blades (9), and an annular shroud (10), the blades (9) are curved in a concave shape on a pressure side in a cross-section perpendicular to a... Agent: Mitsubishi Heavy Industries, Ltd.

20120315136 - Inner peripheral surface shape of casing of axial-flow compressor: A generating line of a casing surrounding an outer periphery of vanes of a stator disposed downstream of a rotor of the axial-flow compressor includes: a recessed region recessed outward in a radial direction from a position forward of a front edge of each of the vanes to a position... Agent: Honda Motor Co., Ltd.

20120315137 - Bearing chamber apparatus: A bearing chamber apparatus (2) comprising a bearing chamber (4) having one or more seals (7) which seal an interior (5) of the chamber from an exterior (24) of the chamber; and further comprising: a pump in fluid communication with the interior of the chamber; and a controllable valve (20)... Agent: Rolls-royce PLC

20120315138 - Compliant plate seal assembly for a turbo machine: A seal assembly for a turbo machine is provided. The turbo machine includes a rotary component and a stationary component. The seal assembly is disposed between the rotary component and the stationary component. The seal assembly is configured to provide a sealing between a high pressure area and a low... Agent: General Electric Company

20120308360 - Overlap seal for turbine nozzle assembly: Systems for thermally regulating portions of a turbine are disclosed. In one embodiment, a turbine nozzle assembly includes: an outer diaphragm ring; a vane physically connected to the outer diaphragm ring; and an inner diaphragm ring physically connected to the vane, the inner diaphragm ring including a first axial tooth... Agent: General Electric Company

20120308361 - Centrifugal electric pump for suction of aeriform fluids with silencing device: A centrifugal electric pump for suction of aeriform fluids includes an electric motor equipped with a shaft; a cylindrical suction box provided with an inlet for the aeriform fluid, one or more outlet openings arranged on the lateral wall thereof and with a closing cover; at least one fan driven... Agent: E.m.b. Di Bergamaschini Alfonso

20120308363 - Centrifugal pump apparatus: This centrifugal blood pump apparatus includes an impeller provided in a blood chamber, a permanent magnet provided in one surface of the impeller, and a permanent magnet provided in an inner wall of the blood chamber, for attracting the permanent magnet. A centerline of the permanent magnet is arranged at... Agent: Ntn Corporation

20120308362 - Dual input drive agb for gas turbine engines: A mechanical drive system of an aircraft gas turbine engine includes a tower shaft operatively connected to first and second shafts in an accessory drive gearbox. The first shaft rotates at a rotational speed lower than the rotational speed of the tower shaft and the second shaft rotates at a... Agent: Pratt & Whitney Canada Corp.

20120308364 - Drive device for pivoting adjustable blades of a turbomachine: A drive device for pivoting adjustable blades of a turbomachine is provided. The drive device includes an annular flow channel section surrounded by a blade carrier, the section extending along the center line of the blade carrier and blades being provided in the section in a ray-like manner, forming a... Agent:

20120308366 - Bearing assembly: A turbocharger bearing cartridge can include a bearing with an inner race, an outer race and rolling elements disposed between the inner race and the outer race; a journal bearing; and a shell that includes an interior, compressor side annular surface configured to seat the outer race of the bearing... Agent: Honeywell International Inc.

20120308365 - Turbocharger bearing system: A bearing system for a turbocharger shaft comprising a rotatable elongated cylinder with axially spaced journal bearing surfaces on the inside diameter and a thrust face on each end. A sleeve on the shaft incorporates a flange on one end that transmits thrust force to one thrust face on the... Agent:

20120308367 - Seal assembly for gas turbine engine: A seal assembly for a gas turbine engine includes a seal body and a biasing support member. The seal body includes a generally annular shape that defines an outer diameter surface. The biasing support member is circumferentially disposed about the outer diameter surface of the ceramic matrix composite seal body... Agent:

20120308368 - Flap seal spring and sealing apparatus: A biasing means is provided for securing a plurality of sealing components which are arranged to seal gaps between adjacent structural components in a turbine, the biasing means having three foot regions joined in a substantially linear fashion by two resilient curved arms, wherein each arm has securing means for... Agent: Rolls-royce PLC

20120308369 - Laminate thermal insulation blanket for aircraft applications and process therefor: A thermal insulation blanket for an aircraft engine, and processes for producing the thermal insulation blanket to have low thermal conductivity and high temperature capability. The thermal insulation blanket has a layered construction that includes an aerogel insulation material, a composite layer disposed at a first surface of the aerogel... Agent: Mra Systems, Inc.

20120308371 - Centrifugal compressor having an asymmetric self-recirculating casing treatment: A centrifugal compressor includes an asymmetric self-recirculating casing treatment that includes, on an inner face of a casing 10, a suction ring groove 1, a ring guide channel 2 and a back-flow ring groove 3 to form a self-recirculating channel. A position or a width of the suction ring groove... Agent: Ihi Corporation

20120308372 - Centrifugal compressor having an asymmetric self-recirculating casing treatment: A centrifugal compressor includes an asymmetric self-recirculating casing treatment that includes, on an inner face of a casing 10, a suction ring groove 1, a ring guide channel 2 and a back-flow ring groove 3 to form a self-recirculating channel. An axial-direction position Sr from an upstream end face of... Agent: Ihi Corporation

20120308370 - Centrifugal fan: A centrifugal fan has an impeller and a bell mouth. The bell mouth has a plurality of wall parts provided on an outer peripheral surface of the bell mouth. The wall parts are arranged at predetermined intervals on the outer peripheral surface in a circumferential direction of the outer peripheral... Agent: Daikin Industries, Ltd.

20120308373 - Axial fan assembly: A fan assembly includes an axial flow fan between an inlet stator and an outlet stator. The inlet stator has inlet stator blades which extend outwardly from an inner ring. Each inlet stator blade has a downstream edge which has a tangent which is oriented at a first variable angle... Agent:

20120308374 - Diffuser-guide vane connection for a centrifugal compressor: An assembly including a diffuser and an airflow rectifier at an outlet of a centrifugal compressor of a turbine engine, the diffuser being substantially in a shape of a radially positioned double annular disc, and the rectifier being a double toroidal part, arranged as an extension of the double disc... Agent: Snecma

20120308375 - Fan assembly: A fan assembly for creating an air current includes a base having an air inlet and an air outlet, the base housing an impeller and a motor for rotating the impeller to create an air flow passing from the air inlet to the air outlet. The fan assembly further includes... Agent: Dyson Technology Limited

20120308376 - Variable geometry turbocharger lower vane ring retaining system: A vane ring assembly which includes a lower vane ring (22), an upper vane ring (30), one or more guide vanes (80) positioned at least partially between the vane rings, and a plurality of spacers (42, or 50) positioned between the lower and upper vane rings for maintaining a distance... Agent: Borgwarner Inc.

20120308377 - Enhanced axial air mover system with alignment: Implementations of an enhanced axial air mover system address various issues such as drying performance, transportability, storage, use, and assembly. Some implementations include ergonomic positioning of a carrying handle relative to positioning of a fan-assembly to make the system easier to carry. Enclosures with variable diameter profiles increase air flow... Agent:

20120308378 - Fluid machine: Provided is a fluid machine which can be produced to have an increased weld strength and an increased reliability, at a reduced production cost. A first and a second shells (78, 80), each having a rim and a sealing portion constituting part of the rim, are butted together with the... Agent:

20120308379 - Aircraft engine cowl and process therefor: A cowl for an aircraft engine, and processes for producing the cowl to have a layered construction and a high temperature capability. The layered construction of the cowl includes a core member having a cellular construction comprising internal hollow cells, and first and second skins brazed to edges of the... Agent: Mra Systems, Inc.

20120308381 - Integrally bladed rotor with slotted outer rim: An integrally bladed rotor has an outer rim with a plurality of blades extending radially outwardly of the outer rim. A plurality of channels are formed radially inwardly of the outer rim. A discontinuity formed at a radially outer surface of the outer rim includes a first thin slot at... Agent:

20120308380 - Vacuum pump: A vacuum pump includes a rotor shaft 33 that is rotatably supported by a bearing and driven by a motor 36 to rotate at a high speed, and a rotor 30 that is fastened to one end of the rotor shaft 33 in axial direction thereof and is provided with... Agent: Shimadzu Corporation

20120308382 - Pivotable propeller nozzle for a watercraft: A propeller nozzle for watercraft includes a stationary propeller and a nozzle ring that shrouds the propeller and can be pivoted by means of a nozzle shaft. The nozzle shaft is provided in the form of a hollow body in order to achieve a constructively simple and simultaneously stable connection... Agent: Becker Marine Systems Gmbh & Co. Kg