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Class 415/211.2 - Downstream of runner


Subclass of Class 415 - Rotary kinetic fluid motors or pumps
Definition: Device wherein the vane* or other directing means
No. of applications: 48
Last issue date: 04/05/2012


1    
Application No.Application TitleIssue Date
20120082543Axial-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
20120080564DUCTED PLATFORMS
A ducted fan for a VTOL vehicle includes a substantially cylindrical duct having an inlet at an upper end and an outlet at a lower end, and an air mover unit located within the substantially cylindrical duct. The duct also includes inner and outer wall portions and a su...
04/05/2012
20120070267Axial Flow Compressor, Gas Turbine System Having the Axial Flow Compressor and Method of Modifying the Axial Flow Compressor
There is provided an axial flow compressor that improves reliability on an increase in a blade loading on a last-stage stator vane of the axial flow compressor due to a partial load operation of a gas turbine. An annular flow passage is formed by a rotor having multiple...
03/22/2012
20120027578SYSTEMS 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 d...
02/02/2012
20110255963CENTRIFUGAL 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; ...
10/20/2011
20110255964BYPASS DUCT OF A TURBOFAN ENGINE
On a turbofan engine, at least one of the downstream guide vanes (1) of the downstream guide vane assembly (2) arranged behind the fan in the bypass duct, and a fairing element (3) arranged behind a downstream guide vane, are provided as a combinedâ...
10/20/2011
20110250064SHROUD 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 ...
10/13/2011
20110223015FAN
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 surfa...
09/15/2011
20110211947Bypass duct of a turbo engine
A guide blade ring (1) arranged downstream of the fan in the bypass duct of a turbofan engine for untwisting the airflow generated by the fan comprises guide stator vane support struts (3) integrated into the guide blade ring at regular intervals respectiv...
09/01/2011
20110200421Exhaust Diffuser
An exhaust diffuser including an outer flow guide surface and an inner flow guide surface defining an inlet, a first collection chute having an outlet in fluid communication with the inlet, the first collection chute operative to diffuse a flow of a fluid, a second coll...
08/18/2011
20110164972HOLLOW 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...
07/07/2011
20110158799RADIAL 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 g...
06/30/2011
20110129338WATER 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 dependin...
06/02/2011
20110110775Propulsion 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 aqu...
05/12/2011
20110014042Pump 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 appro...
01/20/2011
20110014043SYSTEM FOR CONTROLLING THE COWL OF A TURBOJET ENGINE NACELLE THRUST REVERSER
A nacelle (1a, Ib) of a turbojet engine (3a, 3b) comprises a rear section equipped with at least one thrust-reversal system having, on the one hand, means of deflecting at least part of the turbojet engine air flow and, on the o...
01/20/2011
20110014038WIND TURBINE WITH SKELETON-AND-SKIN STRUCTURE
A wind turbine comprises a turbine shroud and optionally an ejector shroud. The turbine shroud and/or the ejector shroud include a skeleton support structure, with a skin covering at least a portion of the turbine shroud and/or ejector shroud skeleton. In other embodime...
01/20/2011
20110008164WIND 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
20110002781WIND 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 ...
01/06/2011
20100303607Turbine Exhaust Diffuser Flow Path with Region of Reduced Total Flow Area
An exhaust diffuser system and method for a turbine engine includes an inner boundary and an outer boundary with a flow path defined therebetween. The inner boundary is defined at least in part by a hub that has an upstream end and a downstream end. The outer boundary h...
12/02/2010
20100303620CORRUGATED 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 corruga...
12/02/2010
20100303619SHAPED 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...
12/02/2010
20100266401TURBINE 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 r...
10/21/2010
20100166553HORIZONTAL-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. ...
07/01/2010
20100119366OUTLET GUIDE VANES FOR AXIAL FLOW FANS
An improved outlet guide vane system is disclosed for axial flow fans. Construction details are described which reduce losses in the end wall regions of the vanes, particularly for axial flow fans operating at low flow coefficient with strong localized swirl associated ...
05/13/2010
20100092285WATER 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 dependin...
04/15/2010
20100014963CENTRIFUGAL PUMP
A centrifugal pump having a casing axially divided into two casing halves; an intake and a discharge; as well as an at least one-stage flow channel between the intake and the discharge for a medium to be pressurized; and a shaft mounted for rotation within the casing an...
01/21/2010
20090304504DUCTED 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 ...
12/10/2009
20090269196FAN 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...
10/29/2009
20090257868Diffuser
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 turbin...
10/15/2009
20090226312FAN AND FAN FRAME THEREOF
A fan includes a fan frame and an impeller. The fan frame includes a frame body and a base, and the impeller is accommodated in the main body and is disposed on the base. The frame body has a column-shaped passage, an airflow outlet and an airflow inlet. The main body f...
09/10/2009
20090165523COOLING DEVICE FOR USE IN METAL HOT FORMATION
A guiding device (2) includes a base (21), a cover (23) and a sidewall (22) cooperatively defining an annular space therein and a passage therethrough. An air inlet (221) is defined in the sidewall communicating with the space for an a...
07/02/2009
20090151911Fan Module
A fan module, particularly for cooling motor vehicle engines allows for improved cooling of the fan motor. The fan housing (101) in which the fan motor (105) is arranged has fixed air-channeling elements (109) which are arranged in the region of a f...
06/18/2009
20090123277EXHAUST 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 co...
05/14/2009
20090092488DROPPED 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 e...
04/09/2009
20090087305Exit stay apparatus with intermediate flange
The invention is an Exit Stay Apparatus with Intermediate Flange for Francis and propeller hydraulic turbines. The purpose of the invention is to improve the effectiveness of known Exit Stay Apparatus (U.S. Pat. No. 6,918,744, July 2005, for Hydraulic Turbine and Exit S...
04/02/2009
20090068006Tilted 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...
03/12/2009
20090047127 TURBOMACHINE DIFFUSER
A turbomachine comprising:
    • an annular combustion chamber (40) with injection orifices (44);
    • ...
02/19/2009
20080240916System 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 ...
10/02/2008
20080219840Fan Motor Assembly and Air Guide Apparatus Thereof
An air guide apparatus includes a body installed at a discharge side of a rotary fan for sucking air, a plurality of first vanes arranged at one surface of the body to guide air sucked by the rotary fan toward the outer circumferential surface of the body, and a plurali...
09/11/2008
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