Class / Patent application number | Description | Number of patent applications / Date published |
415211200 | Downstream of runner | 72 |
20080240916 | System and apparatus for improved turbine pressure and pressure drop control - A system for improved power generation through movement of water having a turbine with a generally cylindrical housing, where the turbine is positioned to receive kinetic energy from moving water, and a member positioned circumferentially about the housing for inducing a pressure drop across the turbine. The member may be a rotating blade, cantilevered duct, circumferential flange, radial eductor, and air tube for injection of ambient air into said water source. | 10-02-2008 |
20090047127 | TURBOMACHINE DIFFUSER - A turbomachine comprising:
| 02-19-2009 |
20090068006 | Tilted Cone Diffuser for Use with an Exhaust System of a Turbine - An exhaust system for a turbine includes an annular diffuser and a collector. The annular diffuser is positioned adjacent to a final stage of the turbine and includes a hub portion surrounding a turbine shaft and an outer cone having a substantially frusto-conical shape that is radially symmetrical about a central longitudinal axis thereof that is tilted relative to the turbine shaft. The collector has an inlet extending from the annular diffuser and an outlet. The collector is configured to include a turn that causes the collector to turn exhaust gases approximately 90° from the longitudinal axis of the turbine shaft. The outer cone of the annular diffuser is tilted in a direction of the turn of the collector. | 03-12-2009 |
20090092488 | DROPPED CEILING FAN HOUSING - A modular ceiling fan housing unit designed to create a focused column or columns of downwardly moving air such that there is little deflection when the column or columns of downwardly moving air arrives at the ground level. The modular ceiling fan housing includes an elongated body element having a fluid impelling device to create the downwardly moving air. At least one plate disposed within the elongated body element directs the downwardly moving air into columns. The modular ceiling fan housing unit may be coupled to another modular ceiling fan housing unit to provide additional columns of downwardly moving air. The modular ceiling fan housing units may be coupled in various configurations, depending on the type of application. Furthermore, the modular ceiling fan housing unit or multiple modular fan housing units may be coupled to an elevated structure located either above or below the housing units. | 04-09-2009 |
20090123277 | EXHAUST HOOD FOR A TURBINE AND METHODS OF ASSEMBLING THE SAME - A method for assembling an exhaust hood for a turbine is provided. The method includes providing a bearing cone that substantially circumscribes a rotor of the turbine; and positioning a guide radially outward from the bearing cone. The guide and the bearing cone are configured to channel fluid from the turbine. The method also includes extending a guide cap from the guide. The guide cap is oriented to facilitate preventing the generation of fluid vortexes within the exhaust hood. | 05-14-2009 |
20090257868 | Diffuser - An improved diffuser apparatus for use in connection with gas turbines that will markedly increase the fuel efficiency of the turbine. The improved diffuser apparatus improves the performance of the diffuser apparatus by insuring that the gas flow supplied by the turbine is free from unnecessary energy losses due to improperly located mechanical structures. More particularly, the prior art turbine is modified in a manner to incorporate into the diffuser itself certain of the mechanical structures that previously formed a part of the structure of the turbine. | 10-15-2009 |
20090269196 | FAN AND AIRFLOW GUIDING STRUCTURE THEREOF - A fan includes an airflow guiding structure, an impeller and a guiding ring. The outer radius of the airflow guiding structure increases gradually from the top of the airflow guiding structure to the bottom of the airflow guiding structure. The airflow guiding structure includes a plurality of fins and a first space for accommodating a circuit device. The impeller is disposed on the airflow guiding structure and has a hub and several blades. The guiding ring connects to the airflow guiding structure via at least one connecting element. A predetermined distance is arranged between the inner surface of the guiding ring and the outer edges of the blades. An inlet is formed at the top of the guiding ring, and an outlet is formed between the bottom of the guiding ring and the outer surface of a sidewall of the airflow guiding structure. When the impeller rotates, the airflow enters the fan from the inlet and flows along the outer surface of the sidewall of the airflow guiding structure, then the airflow exits the fan through the outlet. The direction of the airflow passing through the outlet is different from the direction of the airflow passing through the inlet. | 10-29-2009 |
20090304504 | DUCTED FAN - A ducted fan includes a fan that generates an airflow that flows substantially parallel with the axis of the rotating shaft of the fan; a duct, arranged around the fan, that extends in the direction of the rotating shaft of the fan and includes an airflow inlet defined by the upstream end and an airflow outlet defined by the downstream end, and that has a ramp portion formed in the inner face of the airflow inlet; an airflow guide portion, provided at the airflow outlet, that introduces air from outside of the duct to a position downstream of the airflow outlet; and a negative-pressure forming portion, provided at the downstream end of the airflow guide portion. The negative-pressure forming portion generates a negative pressure near the downstream end of the airflow guide portion when air passes by the negative-pressure forming portion. | 12-10-2009 |
20100092285 | WATER CIRCULATION SYSTEMS FOR PONDS, LAKES, MUNICIPAL TANKS, AND OTHER BODIES OF WATER - A circulation system for bodies of water. In one set of embodiments for larger bodies of water, modified horizontal plate designs are provided at the entrance of the draft hose. The plate designs have sections that pivot downwardly as the flotation platform and depending draft hose are rapidly raised in high wave conditions to let the water escape downwardly out of the hose. Adaptations to the floats for the elongated arms of the platform are also made to essentially eliminate the creation of any damaging torques on them from high waves. Another set of embodiments are particularly adapted for smaller systems in municipal water tanks for thorough mixing of the water and treatment to kill undesirable ammonia oxidizing bacteria and prevent or at least inhibit their return. | 04-15-2010 |
20100166553 | HORIZONTAL-AXIS WIND GENERATOR - The invention relates to a wind generator for generating power thanks to the force of the wind or a stream of water. The invention includes a rotor provided with 2, 3 or 4 semi-frustoconical twisted blades practically parallel to the rotation axis, which is horizontal. It is silent, starts with a low-speed wind and can operate in very strong winds. It requires a very short mast, thereby considerably reducing the visual impact on the countryside and the environmental disturbance. It may be intended for dwellings, individual houses, ships, caravans, but also for agricultural uses or any other applications requiring electric power or the like. | 07-01-2010 |
20100266401 | TURBINE ENGINE ROTATING CAVITY ANTI-VORTEX CASCADE - A gas turbine engine rotor drum includes spaced apart discs providing a cavity between the discs. The discs are configured to rotate in a rotational direction about an axis. An annular support is mounted on at least one of the discs and within the cavity. A cascade of relatively short anti-vortex members is mounted circumferentially on the annular support. The anti-vortex members include an outer end having a concave surface extending within the cavity radially outward from the annular support. The concave surface faces the rotational direction and promotes swirl as the rotor drum rotates. | 10-21-2010 |
20100303619 | SHAPED AND STIFFENED LOWER EXHAUST HOOD SIDEWALLS - An arrangement and method adapted for providing a stiffened lower exhaust hood for a steam turbine. Sidewalls of the lower exhaust hood may taper inward between a horizontal joint and an inlet to a condenser for the steam turbine, providing an enhanced flow path for the exhaust steam. Stiffening of the sidewalls may be provided by stiffening bends, stiffening curvature, and external stiffening beams on the wall plate of the sidewalls of the lower exhaust hood, permitting reduction or elimination of structural supports within the exhaust hood, which degrade exhaust steam flow. | 12-02-2010 |
20100303620 | CORRUGATED HOOD FOR LOW PRESSURE STEAM TURBINE - An arrangement and method adapted for providing a reinforced lower exhaust hood for a steam turbine. Double-wall sidewalls and endwalls for a lower exhaust hood include an outer corrugated wall joined to an inner plate wall. The enhanced strength provided by the corrugation provides reduced deformation of the lower exhaust hood and allows reduction of structural complexity and improved aero-performance within the lower exhaust hood. | 12-02-2010 |
20110002781 | WIND TURBINE WITH PRESSURE PROFILE AND METHOD OF MAKING SAME - A wind turbine produces a unique pressure profile downstream of the wind turbine. This pressure profile reflects the structure of the wind turbine, which includes a shroud that has mixing lobes on a trailing edge thereof. The pressure profile includes high pressure and low pressure regions corresponding to the number and location of the mixing lobes on the shroud. | 01-06-2011 |
20110008164 | WIND TURBINE - A shrouded wind turbine includes a shroud. The shroud is a ring airfoil and has a cross-sectional airfoil shape. The airfoil shape is optimized to minimize flow separation of the airstream passing inside the shroud. | 01-13-2011 |
20110014042 | Pump Flow Optimizer - A pump flow optimizer is disclosed. In one embodiment, the pump flow optimizer comprises: at least one primary output nozzle that is configured to direct outflow from a pump on which is positioned, the primary output nozzles being configured to redirect outflow at approximately a twenty nine degree angle relative to a surface on which it is disposed; and a plurality of center nozzles configured to further redirect outflow from the pump on which the optimizer is disposed, the center nozzles being configured to allow act as secondary output nozzles in that each center nozzle permits a smaller volume of outflow from the pump to be released. | 01-20-2011 |
20110014043 | SYSTEM FOR CONTROLLING THE COWL OF A TURBOJET ENGINE NACELLE THRUST REVERSER - A nacelle ( | 01-20-2011 |
20110110775 | Propulsion System - The present invention relates generally to propulsion systems, and, more particularly, to a propulsion system including an axial flow water pump assembly and a laminar flow box assembly for generating a streamline laminar slipstream of water velocity that is used in aquatic therapy, aquatic sport fitness rehabilitation, aquatic rehabilitation, swimming, and a variety of other functional therapy and training modalities. | 05-12-2011 |
20110129338 | WATER CIRCULATION SYSTEMS FOR PONDS, LAKES, MUNICIPAL TANKS, AND OTHER BODIES OF WATER - A circulation system for bodies of water. In one set of embodiments for larger bodies of water, modified horizontal plate designs are provided at the entrance of the draft hose. The plate designs have sections that pivot downwardly as the flotation platform and depending draft hose are rapidly raised in high wave conditions to let the water escape downwardly out of the hose. Adaptations to the floats for the elongated arms of the platform are also made to essentially eliminate the creation of any damaging torques on them from high waves. Another set of embodiments are particularly adapted for smaller systems in municipal water tanks for thorough mixing of the water and treatment to kill undesirable ammonia oxidizing bacteria and prevent or at least inhibit their return. | 06-02-2011 |
20110158799 | RADIAL CHANNEL DIFFUSER FOR STEAM TURBINE EXHAUST HOOD - An exhaust hood for an axial steam turbine that includes a radial channel, downstream from the normal flow pattern. The radial channel guides the exhaust steam flow in upper half of the hood in the flow momentum direction. Due to this pattern of flow direction, vortex generation in upper exhaust hood is reduced and increased flow diffusion results. The geometric arrangement can eliminate the outer casing of the exhaust hood over the axial length of the turbine inner casing, allowing the turbine inner casing to be supported directly by a foundation for the steam turbine. | 06-30-2011 |
20110164972 | HOLLOW STEAM GUIDE DIFFUSER HAVING INCREASED PRESSURE RECOVERY - A steam turbine includes a diffuser that has a bearing cone and an inner plate of a steam guide that define a passage through which steam flows. An outer plate is disposed with respect to the inner plate such that an opening is located between the inner and outer plates. At least one hole is located in the inner plate. A water tube is disposed in the opening, the water tube having water flowing therethrough which condenses at least a portion of a flow of steam flowing in the passage thereby creating at least a partial vacuum within the opening. The vacuum creates a suction effect through the at least one hole in the inner plate that can cause at least a portion of the flow of steam in the passage to attach itself to an inner surface of the inner plate. | 07-07-2011 |
20110211947 | Bypass duct of a turbo engine - A guide blade ring ( | 09-01-2011 |
20110223015 | FAN - A fan assembly for creating an air current includes a bladeless fan assembly including a nozzle and a device for creating an air flow through the nozzle. The nozzle includes an interior passage and a mouth receiving the air flow from the interior passage. A Coanda surface located adjacent the mouth and over which the mouth is arranged to direct the air flow. The fan provides an arrangement producing an air current and a flow of cooling air created without requiring a bladed fan, that is, the air flow is created by a bladeless fan. | 09-15-2011 |
20110250064 | SHROUD VORTEX REMOVER - Tip shrouds on last stage buckets for condensing steam turbines may create significant blockage and form a vortex at the wall of the steam guide of the diffuser, causing the steam flow to separate from the wall of the steam guide. Vortex formation reduces the effective flow area for the remaining fluid to diffuse, causing poor recovery. An inward radial depression is provided of a predetermined depth and distance along an outer steam guide, which redirects the tip leakage flows slightly downward, reducing a shroud blockage effect. This deflection assists the main flow in rejoining the steam guide, thereby making the diffuser more effective. | 10-13-2011 |
20110255963 | CENTRIFUGAL COMPRESSOR - Provided is a centrifugal compressor having improved operation performance to improve durability. The centrifugal compressor includes an impeller connected to a rotary shaft and configured to radially eject a fluid suctioned in an axial direction upon rotation thereof; a shroud configured to cover front and rear sides of the impeller and having a suction port formed to face one surface of the impeller at a center of one side thereof; a volute chamber formed at an outer periphery of the shroud in a circumferential direction thereof and configured to guide the fluid ejected by the impeller to an ejection port; and a regulator installed at one side of the shroud and configured to selectively communicate a space formed at the other surface of the impeller with the outside. | 10-20-2011 |
20110255964 | BYPASS DUCT OF A TURBOFAN ENGINE - On a turbofan engine, at least one of the downstream guide vanes ( | 10-20-2011 |
20120027578 | SYSTEMS AND APPARATUS RELATING TO DIFFUSERS IN COMBUSTION TURBINE ENGINES - A discharge diffuser that includes: a forward section and a dump cavity, the forward section being configured to direct discharge from the compressor to the dump cavity; an inner diffuser wall that defines an inner radial flowpath of the upstream section; and an outer diffuser wall that defines an outer radial flowpath of the upstream section; wherein at an aft lip of the inner diffuser wall, the discharge diffuser comprises an overhanging step. | 02-02-2012 |
20120082543 | Axial-Flow Pumps and Related Methods - Miniature (mesoscale) axial-flow pumps including an inlet guide, a stator spaced apart from the inlet guide, and a rotor rotatably disposed between the inlet guide and the stator. | 04-05-2012 |
20120121404 | Exhaust Hood Diffuser - The present application provides a diffuser for an exhaust hood of a steam turbine. The diffuser may include a first end adjacent to a last bucket and a second end downstream of a steam guide and adjacent to a bearing cone. An exhaust flow path extends therethrough. The second end may include an axial extension enlarging the exhaust flow path. | 05-17-2012 |
20120121405 | LOW PRESSURE EXHAUST GAS DIFFUSER FOR A STEAM TURBINE - A diffuser is provided for an exhaust steam housing adjacent a last stage row of buckets fixed to a rotor in a steam turbine, each bucket in the last stage row of buckets having a platform portion and an airfoil portion. The diffuser includes an annular inner diffuser ring and an outer annular diffuser ring defining a flow path for steam exiting the last stage row of buckets in a substantially axial direction at a diffuser inlet and turning substantially ninety degrees to a diffuser outlet. A first portion of the inner annular ring extends in a downstream direction beyond the last stage row of buckets substantially parallel to a center axis of the rotor, the first portion having a length dimension in the downstream direction from a radial center line of the last stage row of buckets in a range of between 0.40 and about 0.70 of a center line radial length from the platform portion to a radially outer tip of any bucket in the last stage row of buckets. | 05-17-2012 |
20120171030 | DISCHARGE SCROLL AND TURBOMACHINE - Provided is an exhaust scroll capable of reducing mixing loss caused by fluid swirling inside the exhaust scroll and fluid flowing thereinto, while collecting and discharging the fluid which has flowed. The exhaust scroll is provided with a scroll body ( | 07-05-2012 |
20120195749 | COLUMNAR AIR MOVING DEVICES, SYSTEMS AND METHODS - Air moving device includes a housing, an impeller in the housing for generating a downward air flow, and vanes in the housing in close proximity to and a selected distance below the impeller to straighten the air flow. The device produces an air flow that substantially remains in a column over a substantial distance. The method includes producing an air flow that substantially remains in a column over a substantial distance and directing the air flow from the ceiling towards the floor to provide temperature destratification of the air in an enclosed space. The method also includes directing warm air from the ceiling to the floor and storing heat in the floor, apparatus on the floor and ground under the floor. The stored heat is released when the ceiling is cooler than the floor. | 08-02-2012 |
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. | 12-27-2012 |
20130011252 | FAN ASSEMBLY - A fan assembly for creating an air current includes a nozzle mounted on a base. The base comprises an outer casing, an impeller housing located within the outer casing, the impeller housing having an air inlet and an air outlet, an impeller located within the impeller housing and a motor for driving the impeller to create an air flow through the impeller housing. The nozzle includes an interior passage for receiving the air flow from the air outlet of the impeller housing and a mouth through which the air flow is emitted from the fan assembly. | 01-10-2013 |
20130058777 | SUBMERSIBLE PUMP STAGE - A submersible pump stage comprises an impeller comprising a first front top disc and a first rear top disc, first blades located between the front and the rear top discs, a bushing and a diffuser comprising a second front top disc and a second rear top disc, second blades located between the second front and second rear top discs. The second rear top disc has through holes passing in end surfaces and located circumferentially. A number of the through holes is selected at least equal to a number of interblade channels. The holes are made so as to provide an overflow of a liquid from a front pocket of this stage of the submersible pump into each interblade channel of a preceding stage diffuser. | 03-07-2013 |
20130094956 | ASYMMETRIC BUTTERFLY PLATE FOR STEAM TURBINE EXHAUST HOOD - An asymmetric butterfly plate for a steam turbine exhaust hood includes a non-symmetrical curvilinear profile having a first section that extends to a second section through a vertex. The first section has a first curvilinear profile and the second section has a second curvilinear profile that is distinct from the first curvilinear profile. | 04-18-2013 |
20130115075 | Turbine Last Stage Flow Path - The present application thus provides a gas turbine engine. The gas turbine engine may include a turbine and a diffuser positioned downstream of the turbine. The turbine may include a number of last stage buckets, a number of last stage nozzles, and a gauging ratio of the last stage nozzles of about 0.95 or more. | 05-09-2013 |
20130121824 | GAS TURBINE ENGINE HAVING CORE AUXILIARY DUCT PASSAGE - A gas turbine engine system according to an exemplary aspect of the present disclosure includes, among other things, a nacelle assembly defined about an axis and a core engine positioned radially inward of the nacelle assembly and having a core passage and at least one core auxiliary duct passage. The at least one core auxiliary duct passage includes an inlet for receiving a portion of a core airflow from the core engine and an outlet for discharging the portion of the core airflow. At least one of the inlet and the outlet are selectively translatable to divert the portion of the core airflow into the at least one core auxiliary duct passage and a mixer disposed between the nacelle assembly and the core engine. | 05-16-2013 |
20130129498 | DIFFUSER, IN PARTICULAR FOR AN AXIAL FLOW MACHINE - A diffuser for an axial flow machine has a transition from a ring channel having a first cross sectional area into an outlet space with a second, larger cross sectional area along a machine axis of the axial flow machine. The transition includes a plurality of steps. | 05-23-2013 |
20130224011 | GAS TURBINE - A gas turbine according to the present invention includes: a strut which passes through an outer diffuser and an inner diffuser, and connects an exhaust chamber wall and a bearing housing; a strut cover which covers the strut along the extending direction of the strut; a partitioning wall which is arranged between the inside of the inner diffuser in the radial direction and the outside of the bearing housing in the radial direction, of which the upstream side portion is sealed between the bearing housing and the partitioning wall, of which the downstream side portion is sealed between the inner diffuser and the partitioning wall, and in which a strut through-hole through which the strut passes is formed; and a hole seal member which seals a gap between the strut through-hole and the strut. | 08-29-2013 |
20130243588 | BLADELESS FAN - A bladeless fan includes a wind supply device and a first wind guide device disposed on the wind supply device and having a loop-shaped space. Airflow is created by the wind supply device, and enters the loop-shaped space. When the airflow exits the loop-shaped space through an air outlet, surrounding air is forced to flow through a flow guide channel in the first wind guide device to combine with the air flowing from the air outlet, so as to increase the amount and speed of the airflow. | 09-19-2013 |
20130251521 | Diffusion Type Fan Device - A fan device includes a primary blade unit, a guiding member, and a secondary blade unit. The primary blade unit includes a mounting seat having a plurality of flow channels, and a primary blade rotatably mounted in the mounting seat and having a plurality of ventilating holes that are movable to align with the flow channels. The guiding member has a plurality of flow guiding ducts aligning with the flow channels. The guiding member has a flow guiding surface. The secondary blade unit includes a plurality of mounting plates having a vent hole for mounting a plurality of secondary blades. Thus, when the ambient air flow is introduced into the fan device, the primary blade unit and the secondary blade unit guide and inject the air flow in two different directions to diffuse and spread the air flow. | 09-26-2013 |
20130280061 | FAN - A fan includes a nozzle and a device for creating a primary air flow through the nozzle. The nozzle includes a mouth for emitting the primary air flow, and defines a bore through which a secondary air flow from outside the fan is drawn by the primary air flow emitted from the mouth and which combines with the primary air flow to produce a combined air flow. To allow a user to adjust at least one parameter, for example at least one of the profile, orientation and the direction, of the combined air flow, the fan comprises an insert which is locatable at least partially within the bore of the nozzle. The fan may be provided with a set of such inserts. | 10-24-2013 |
20130309081 | FLUID TURBINE WITH ROTOR UPWIND OF RINGED AIRFOIL - The present disclosure relates to a fluid turbine including a rotor and one or more ringed airfoil segments in fluid communication with a wake of the rotor. Each of the ringed airfoil segments includes a leading edge positioned co-planar with or downstream of the rotor plane as measured along the central axis. The ringed airfoil segments may include associated mixing elements. The fluid turbine may include a second ringed airfoil downstream of the one or more ringed airfoil segments. | 11-21-2013 |
20130309082 | CENTRIFUGAL TURBOMACHINE - A plurality of vaned diffusers is disposed on a concentric plate at intervals in a circumferential direction thereof, and each of the diffusers is a curvilinear element three-dimensional diffuser having blades which are extended from a hub side of a impeller to a shroud side thereof. The blades are formed in a form in which a blade serving as a reference is stacked in a direction of the height of the blade, which is a direction of a gap between the hub and the shroud. A dihedral distribution in which moving in a direction perpendicular to a chord direction linking a leading edge of the blade as the reference with a tailing edge thereof, is set as a positive movement is non-uniform from an end portion on the hub side to an intermediate portion of the height of the blade. | 11-21-2013 |
20130323043 | ROTOR BLADE, A ROTOR, AN AIRCRAFT, AND A METHOD | 12-05-2013 |
20130330186 | TURBINE EXHAUST DIFFUSER - A turbine exhaust diffuser includes a diffuser component disposed within the turbine exhaust diffuser and having an outer surface. Also included is a suction path extending between the outer surface and an interior compartment of the diffuser component, wherein the suction path is configured to ingest a fluid. Further included is an actuating path extending between the outer surface and the interior compartment of the diffuser component, wherein the actuating path is configured to expel the fluid. Yet further included is a flow manipulating device disposed within the interior compartment of the diffuser component. | 12-12-2013 |
20130336783 | DIFFUSER FOR TURBOMACHINES - A diffuser is described with an entry section close to the last stage of a turbine having an outer wall including several subsequent straight wall parts at an angle to each other followed by a curved wall part with the curved wall part connecting the straight wall parts to a diffuser lip or exit and having as vertical cross-section a non-circular 2 | 12-19-2013 |
20140003931 | DIFFUSER FOR THE EXHAUST SECTION OF A GAS TURBINE AND GAS TURBINE WITH SUCH A DIFFUSER | 01-02-2014 |
20140037443 | REFLEX ANNULAR VENT NOZZLE - A gas turbine engine includes a core defining an engine central longitudinal axis. An inner-fixed structure is radially outward of the core. A core cowl extends from the inner-fixed structure to a trailing edge. A thrust reverser is spaced radially outward of the core cowl to define a fan flow path. A vent has a core cowl inner surface formed as part of the core cowl and a vent inner surface that is spaced radially inward of the core cowl inner surface to define a vent flow path. A reflex member extends from a trailing edge of the core nacelle to impede mixing of the fan flow path and the vent flow path. | 02-06-2014 |
20140140838 | FAN DIVERSION STRUCTURE - A fan diversion structure comprises at least one deflector and at least one connecting part. The deflector, which is adapted to be disposed across front of an air outlet of the fan, is disposed on one side next to a center of the fan and without overlapping the center of the fan, wherein the deflector extends outwardly so as to deflect an airflow to the side direction of the fan. The connecting part is adapted for connecting the deflector to the fan. The fan is a ceiling fan, the connecting part is a hollow annular board corresponding to a circular structure of the ceiling fan, the deflector further comprises two joint poles extending from the connecting part, and the joint poles are respectively connected to two sides of the deflector and near to the center of the fan. | 05-22-2014 |
20140154071 | AIR DIFFUSER SYSTEM FOR INDUSTRIAL PUMPS - An air diffuser device suitable for use in an air diffuser system for a centrifugal pump the pump including a pump casing with a pumping chamber therein, an impeller mounted within the pumping chamber for rotation about a rotation axis, the impeller including a front side and a rear side. The air diffuser system comprises one or more passages extending through the impeller from the front side to the rear side, the or each passage having a first opening at the rear side and a second opening at the front side of the impeller. The air diffuser device comprises a main body having a seal side and an impeller side, and at least one channel extending through the main body from the seal side to the impeller side, the or each channel having an intake opening at the seal side, a discharge opening at the impeller side, and a base wall extending through the main body, the base wall having a leading end portion at the seal side, and a trailing end portion at the impeller side, the discharge opening being in fluid communication with the first opening of the passage in the impeller when installed. | 06-05-2014 |
20140219792 | PYLON MATCHED FAN EXIT GUIDE VANE FOR NOISE REDUCTION IN A GEARED TURBOFAN ENGINE - A disclosed fan section of a gas turbine engine includes a fan rotor having a plurality of fan blades and a duct defining a passageway aft of the fan rotor. A fan exit guide vane is disposed within the duct downstream of the fan blades. The fan exit guide vane includes a plurality of exit guide vanes positioned downstream of the fan rotor with at least two of the plurality of exit guide vanes including different aft geometries for guiding airflow through the passage to reduce pressure distortions at the fan blades. | 08-07-2014 |
20140234099 | AXIAL BLOWER - Disclosed is an axial blower that comprises a substantially circular cylindrical blower pipe wherein, in the blower pipe, a blower stator is provided that includes a central construction arranged in the blower pipe and a number of guide blades being disposed downstream of the blower rotor to the effect that they are, at their proximal ends, secured to the central construction and, at their distal ends, securely mounted to the inner side of the blower pipe, whereby the guide blades and the central construction are secured relative to the blower pipe. The central construction includes a number of separate stator segments that are mutually secured to each other; and wherein each of the guide blades is configured as an integral unit along with one of the stator segments. | 08-21-2014 |
20140248145 | CIRCULAR GRILL FOR AN AIR CIRCULATOR UNIT - The present disclosure relates to a grill for an air circulator. The grill is configured to divert airflow from an airflow source. The air circulator includes a center hub with a plurality of arcuate ribs coupled to and extending outwardly from the center hub. The arcuate ribs extend outwardly to an outer perimeter of the circular grill. | 09-04-2014 |
20140271173 | CENTRIFUGAL COMPRESSOR WITH AXIAL IMPELLER EXIT - A gas turbine engine includes a centrifugal compressor having an improved impeller structure. The impeller structure includes a near axial discharge configuration thus reducing the overall size of the envelop surrounding the compressor assembly. The impeller structure may have axial exit vanes. | 09-18-2014 |
20140341730 | GAS TURBINE ENGINE COMPONENT - The invention concerns a gas turbine engine component ( | 11-20-2014 |
20150044042 | FAN ASSEMBLY - A fan assembly includes a fan and a number of airflow guiding members. The fan includes an end board on which a number of airflow guides may be pivoted out to a horizontal position by airflow pressure but which fall back to a vertical position when the fan is not working, to effectively seal the vent when an airflow is not present. | 02-12-2015 |
20150050137 | BLADE FOR A HELICOPTER ANTI-TORQUE DEVICE | 02-19-2015 |
20150093241 | Propulsion Unit for Maritime Vessel Including a Nozzle Exhibiting a Curved Following Edge at the Outlet of the Nozzle - Propulsion unit ( | 04-02-2015 |
20150345315 | TURBINE ENGINE GUIDE VANE ATTACHMENT ORIFICE CLOSER - A closer for an attachment orifice of an OGV in a turbine engine, the vane having a blade fixed to a root provided with attachment orifices, the closer including a cup adapted to be fixed in the attachment orifice of an OGV; a cylindrical shaped plug engaging in the cup, the plug including an upper face inclined relative to the ground plane of the plug; a guide adapted to position the plug on the cup by rotation into a working position, in which the upper face of the plug coincides with the surface level of the vane root; a blocking system to block the plug in the working position. | 12-03-2015 |
20150377036 | FAN AIRFOIL SHROUDS WITH AREA RULING IN THE SHROUDS - A shrouded airfoil may have a suction surface and a pressure surface. An at least first suction surface shroud may be disposed on the suction surface and an at least first pressure surface shroud may be disposed on the pressure surface. The at least first suction surface shroud may include a first and second contoured surface and a first mating face. The first contoured surface may have a first substantially concave portion and a first substantially convex portion. The second contoured surface may have a second substantially concave portion and a second substantially convex portion. The at least first pressure surface shroud may include a third and fourth contoured surface and a second mating face. The third contoured surface may have a third substantially concave portion and a third substantially convex portion. The fourth contoured surface may have a fourth substantially concave portion and a fourth substantially convex portion. | 12-31-2015 |
20160010659 | VACUUM GENERATOR FLOW DIVERTER | 01-14-2016 |
20160040625 | Variable Area Nozzle and Associated Propulsion System and Method - A nozzle including a frame having a plurality of deflecting elements arranged in an array, the array extending about a longitudinal axis, and a skin positioned over the frame. | 02-11-2016 |
20160053743 | SYSTEM COMPRISING A VERTICAL TURBINE WITH FLOW GUIDES - Invention refers to vertical electrical energy generators. Vertical wind turbine system contains one or two vertical turbines | 02-25-2016 |
20160061219 | RADIAL COMPRESSOR STAGE - A radial compressor stage includes an impeller with multiple impeller blades on the rotor side and a diffuser with multiple guide blades on the stator side positioned downstream of the impeller. Between the impeller and the stator an impeller side gap is formed. Flow inlet edges of the guide blades on the stator side lie on a first circle contour such that the flow inlet edges of all guide blades on the stator side have an identical spacing to the flow inlet edges of the respective adjacent guide blades. Flow outlet edges of the guide blades on the stator side lie on a second circle contour such that in at least one first circumferential position the flow outlet edge of the respective guide blade on the stator side has a spacing to the flow outlet edge of at least one adjacent guide blade other than in second circumferential positions. | 03-03-2016 |
20160138596 | AXIAL-FLOW PUMPS AND RELATED METHODS - Miniature (mesoscale) axial-flow pumps including an inlet guide, a stator spaced apart from the inlet guide, and a rotor rotatably disposed between the inlet guide and the stator. | 05-19-2016 |
20160146051 | TURBINE ENGINE CASING HAVING A CUT-OUT FLANGE - The present invention relates to a turbine engine casing ( | 05-26-2016 |
20160146222 | AIR MOVING DEVICE - An air moving device can include a housing and an impeller assembly positioned at least partially within the housing. The impeller assembly can be connected to the housing via one or more support ribs having sharp trailing edges. The impeller blades can be spaced from an inlet to the impeller housing to reduce risk of injury due to contact with the impeller blades during operation of the air moving device. | 05-26-2016 |
20160186614 | TURBINE EXHAUST CASE ASSEMBLY - A turbine exhaust case assembly includes a frame which includes an outer ring, an inner ring, a plurality of struts that connect the inner ring and the outer ring and a monolithic fairing assembly that surrounds the frame. | 06-30-2016 |
20160201486 | Extruded profile for manufacturing a blade of an outlet guide vane | 07-14-2016 |
20160252101 | CENTRIFUGAL COMPRESSOR IMPELLER WITH BLADES HAVING AN S-SHAPED TRAILING EDGE | 09-01-2016 |